Adding upstream version 2.1.30.upstream/2.1.30upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

5 files changed, 13463 insertions, 0 deletions

diff --git a/tests/utests/schema/test_printer_tree.c b/tests/utests/schema/test_printer_tree.c
new file mode 100644
index 0000000..c076ece
--- /dev/null
+++ b/tests/utests/schema/test_printer_tree.c
@@ -0,0 +1,2405 @@
+/*
+ * @file test_printer_tree.c
+ * @author: Adam Piecek <piecek@cesnet.cz>
+ * @brief unit tests for functions from printer_tree.c
+ *
+ * Copyright (c) 2019-2021 CESNET, z.s.p.o.
+ *
+ * This source code is licensed under BSD 3-Clause License (the "License").
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://opensource.org/licenses/BSD-3-Clause
+ */
+#define _UTEST_MAIN_
+#include "utests.h"
+
+#include "common.h"
+#include "context.h"
+#include "out.h"
+#include "printer_schema.h"
+#include "tree_schema.h"
+
+#define TEST_LOCAL_SETUP \
+    char *printed; \
+    struct lys_module *mod; \
+    const char *orig; \
+    const char *expect; \
+    assert_int_equal(LY_SUCCESS, ly_out_new_memory(&printed, 0, &UTEST_OUT));
+
+#define TEST_LOCAL_PRINT(MOD, LINE_LENGTH) \
+    assert_int_equal(LY_SUCCESS, lys_print_module(UTEST_OUT, MOD, LYS_OUT_TREE, LINE_LENGTH, 0));
+
+#define TEST_LOCAL_TEARDOWN \
+    ly_out_free(UTEST_OUT, NULL, 1);
+
+static void
+base_sections(void **state)
+{
+    TEST_LOCAL_SETUP;
+    struct lys_module *modxx;
+
+    orig =
+            "module a01xx {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"xx:y\";\n"
+            "  prefix xx;\n"
+            "  container c;\n"
+            "  container d;\n"
+            "}\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &modxx);
+
+    /* module with import statement */
+    orig =
+            "module a01 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "\n"
+            "  import a01xx {\n"
+            "    prefix xx;\n"
+            "  }\n"
+            "\n"
+            "  grouping g1;\n"
+            "\n"
+            "  grouping g2;\n"
+            "  container g;\n"
+            "  augment \"/xx:c\" {\n"
+            "    container e;\n"
+            "  }\n"
+            "  augment \"/xx:d\" {\n"
+            "    container f;\n"
+            "  }\n"
+            "  rpc rpc1;\n"
+            "  rpc rpc2;\n"
+            "  notification n1;\n"
+            "  notification n2;\n"
+            "}\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+
+    /* from pyang */
+    expect =
+            "module: a01\n"
+            "  +--rw g\n"
+            "\n"
+            "  augment /xx:c:\n"
+            "    +--rw e\n"
+            "  augment /xx:d:\n"
+            "    +--rw f\n"
+            "\n"
+            "  rpcs:\n"
+            "    +---x rpc1\n"
+            "    +---x rpc2\n"
+            "\n"
+            "  notifications:\n"
+            "    +---n n1\n"
+            "    +---n n2\n"
+            "\n"
+            "  grouping g1\n"
+            "  grouping g2\n";
+
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+
+    /* from pyang */
+    expect =
+            "module: a01\n"
+            "  +--rw g\n"
+            "\n"
+            "  augment /xx:c:\n"
+            "    +--rw e\n"
+            "  augment /xx:d:\n"
+            "    +--rw f\n"
+            "\n"
+            "  rpcs:\n"
+            "    +---x rpc1\n"
+            "    +---x rpc2\n"
+            "\n"
+            "  notifications:\n"
+            "    +---n n1\n"
+            "    +---n n2\n";
+
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+
+    /* from pyang */
+    expect =
+            "module: a01xx\n"
+            "  +--rw c\n"
+            "  |  +--rw x:e\n"
+            "  +--rw d\n"
+            "     +--rw x:f\n";
+
+    TEST_LOCAL_PRINT(modxx, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+node_status(void **state)
+{
+    TEST_LOCAL_SETUP;
+    orig =
+            "module a02 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "  container l {\n"
+            "    status current;\n"
+            "  }\n"
+            "  container m {\n"
+            "    status deprecated;\n"
+            "  }\n"
+            "  container n {\n"
+            "    status obsolete;\n"
+            "  }\n"
+            "}\n";
+
+    /* from pyang */
+    expect =
+            "module: a02\n"
+            "  +--rw l\n"
+            "  x--rw m\n"
+            "  o--rw n\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+node_config_flags(void **state)
+{
+    TEST_LOCAL_SETUP;
+    orig =
+            "module a03 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "  container l {\n"
+            "    config true;\n"
+            "  }\n"
+            "  container m {\n"
+            "    config false;\n"
+            "  }\n"
+            "}\n";
+
+    /* from pyang */
+    expect =
+            "module: a03\n"
+            "  +--rw l\n"
+            "  +--ro m\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+node_rpcs_flags(void **state)
+{
+    TEST_LOCAL_SETUP;
+    orig =
+            "module a04 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "  container cont {\n"
+            "    action rpc1 {\n"
+            "\n"
+            "      input {\n"
+            "        leaf in {\n"
+            "          type string;\n"
+            "        }\n"
+            "      }\n"
+            "\n"
+            "      output {\n"
+            "        leaf out {\n"
+            "          type string;\n"
+            "        }\n"
+            "      }\n"
+            "    }\n"
+            "  }\n"
+            "}\n";
+
+    /* from pyang */
+    expect =
+            "module: a04\n"
+            "  +--rw cont\n"
+            "     +---x rpc1\n"
+            "        +---w input\n"
+            "        |  +---w in?   string\n"
+            "        +--ro output\n"
+            "           +--ro out?   string\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+node_grouping_flags(void **state)
+{
+    TEST_LOCAL_SETUP;
+    orig =
+            "module a05 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "\n"
+            "  grouping g {\n"
+            "    leaf a {\n"
+            "      type string;\n"
+            "      config true;\n"
+            "    }\n"
+            "    leaf b {\n"
+            "      type string;\n"
+            "      config false;\n"
+            "    }\n"
+            "    leaf c {\n"
+            "      type string;\n"
+            "    }\n"
+            "    container d {\n"
+            "      config false;\n"
+            "      leaf e {\n"
+            "        type string;\n"
+            "      }\n"
+            "    }\n"
+            "    container f {\n"
+            "      leaf g {\n"
+            "        type string;\n"
+            "      }\n"
+            "    }\n"
+            "  }\n"
+            "  container d {\n"
+            "    uses g;\n"
+            "  }\n"
+            "}\n";
+
+    /* from yanglint1 */
+    expect =
+            "module: a05\n"
+            "  +--rw d\n"
+            "     +---u g\n"
+            "\n"
+            "  grouping g:\n"
+            "    +--rw a?   string\n"
+            "    +--ro b?   string\n"
+            "    +---- c?   string\n"
+            "    +--ro d\n"
+            "    |  +--ro e?   string\n"
+            "    +---- f\n"
+            "       +---- g?   string\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    /* from pyang */
+    expect =
+            "module: a05\n"
+            "  +--rw d\n"
+            "     +--rw a?   string\n"
+            "     +--ro b?   string\n"
+            "     +--rw c?   string\n"
+            "     +--ro d\n"
+            "     |  +--ro e?   string\n"
+            "     +--rw f\n"
+            "        +--rw g?   string\n";
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+notif_inside_container(void **state)
+{
+    TEST_LOCAL_SETUP;
+    orig =
+            "module a06 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "  container c {\n"
+            "    notification notif;\n"
+            "  }\n"
+            "}\n";
+
+    /* from pyang */
+    expect =
+            "module: a06\n"
+            "  +--rw c\n"
+            "     +---n notif\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+node_choice(void **state)
+{
+    TEST_LOCAL_SETUP;
+    orig =
+            "module a07 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "  choice my_choice;\n"
+            "}\n";
+
+    /* from pyang */
+    expect =
+            "module: a07\n"
+            "  +--rw (my_choice)?\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+node_case(void **state)
+{
+    TEST_LOCAL_SETUP;
+    orig =
+            "module a08 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "\n"
+            "  feature foo;\n"
+            "  choice my_choice {\n"
+            "    case my_case;\n"
+            "  }\n"
+            "  choice shorthand {\n"
+            "    container cont1 {\n"
+            "      if-feature \"foo\";\n"
+            "      status obsolete;\n"
+            "    }\n"
+            "    container cont2 {\n"
+            "      container cont3;\n"
+            "    }\n"
+            "  }\n"
+            "  container top {\n"
+            "    choice shorthand1 {\n"
+            "      container cont1;\n"
+            "    }\n"
+            "    choice shorthand2 {\n"
+            "      container cont2 {\n"
+            "        container cont3;\n"
+            "      }\n"
+            "    }\n"
+            "  }\n"
+            "}\n";
+
+    /* from pyang */
+    expect =
+            "module: a08\n"
+            "  +--rw (my_choice)?\n"
+            "  |  +--:(my_case)\n"
+            "  +--rw (shorthand)?\n"
+            "  |  o--:(cont1)\n"
+            "  |  |  o--rw cont1 {foo}?\n"
+            "  |  +--:(cont2)\n"
+            "  |     +--rw cont2\n"
+            "  |        +--rw cont3\n"
+            "  +--rw top\n"
+            "     +--rw (shorthand1)?\n"
+            "     |  +--:(cont1)\n"
+            "     |     +--rw cont1\n"
+            "     +--rw (shorthand2)?\n"
+            "        +--:(cont2)\n"
+            "           +--rw cont2\n"
+            "              +--rw cont3\n";
+
+    const char *feats[] = {"foo", NULL};
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, feats, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+optional_opts(void **state)
+{
+    TEST_LOCAL_SETUP;
+    /* throws libyang warn: Use of anydata to define configuration data is not recommended... */
+    orig =
+            "module a09 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "  leaf l1 {\n"
+            "    type string;\n"
+            "    mandatory true;\n"
+            "  }\n"
+            "  leaf l2 {\n"
+            "    type string;\n"
+            "    mandatory false;\n"
+            "  }\n"
+            "  choice c1 {\n"
+            "    mandatory true;\n"
+            "  }\n"
+            "  choice c2 {\n"
+            "    mandatory false;\n"
+            "  }\n"
+            "  anydata a1 {\n"
+            "    mandatory true;\n"
+            "  }\n"
+            "  anydata a2 {\n"
+            "    mandatory false;\n"
+            "  }\n"
+            "  anyxml x1 {\n"
+            "    mandatory true;\n"
+            "  }\n"
+            "  anyxml x2 {\n"
+            "    mandatory false;\n"
+            "  }\n"
+            "}\n";
+
+    /* from yanglint 1 */
+    expect =
+            "module: a09\n"
+            "  +--rw l1      string\n"
+            "  +--rw l2?     string\n"
+            "  +--rw (c1)\n"
+            "  +--rw (c2)?\n"
+            "  +--rw a1      anydata\n"
+            "  +--rw a2?     anydata\n"
+            "  +--rw x1      anyxml\n"
+            "  +--rw x2?     anyxml\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+presence_container(void **state)
+{
+    TEST_LOCAL_SETUP;
+    orig =
+            "module a10 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "  container c;\n"
+            "  container d {\n"
+            "    presence \"str1\";\n"
+            "  }\n"
+            "}\n";
+
+    /* from pyang */
+    expect =
+            "module: a10\n"
+            "  +--rw c\n"
+            "  +--rw d!\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+node_keys(void **state)
+{
+    TEST_LOCAL_SETUP;
+    orig =
+            "module a11 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "  list l1 {\n"
+            "    key \"a\";\n"
+            "    leaf a {\n"
+            "      type string;\n"
+            "    }\n"
+            "  }\n"
+            "  list l2 {\n"
+            "    key \"a b\";\n"
+            "    leaf a {\n"
+            "      type string;\n"
+            "    }\n"
+            "    leaf b {\n"
+            "      type string;\n"
+            "    }\n"
+            "  }\n"
+            "  leaf-list ll {\n"
+            "    type string;\n"
+            "  }\n"
+            "}\n";
+
+    /* from pyang */
+    expect =
+            "module: a11\n"
+            "  +--rw l1* [a]\n"
+            "  |  +--rw a    string\n"
+            "  +--rw l2* [a b]\n"
+            "  |  +--rw a    string\n"
+            "  |  +--rw b    string\n"
+            "  +--rw ll*   string\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+node_type_target(void **state)
+{
+    TEST_LOCAL_SETUP;
+    orig =
+            "module a12 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "  leaf a {\n"
+            "    type leafref {\n"
+            "      path \"/x:b\";\n"
+            "    }\n"
+            "  }\n"
+            "  leaf b {\n"
+            "    type string;\n"
+            "  }\n"
+            "}\n";
+
+    /* from yanglint 1 */
+    expect =
+            "module: a12\n"
+            "  +--rw a?   -> /x:b\n"
+            "  +--rw b?   string\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+node_type_leafref(void **state)
+{
+    TEST_LOCAL_SETUP;
+    orig =
+            "module a13 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "  leaf pretty-long-identifier-name-which-should-exceed-the-limit-of-72-characters {\n"
+            "    type string;\n"
+            "  }\n"
+            "  leaf a {\n"
+            "    type leafref {\n"
+            "      path \"/x:pretty-long-identifier-name-which-should-exceed-the-limit-of-72-characters\";\n"
+            "    }\n"
+            "  }\n"
+            "}\n";
+
+    /* yanglint --tree-no-leafref-target --tree-line-length=72 */
+    expect =
+            "module: a13\n"
+            "  +--rw pretty-long-identifier-name-which-should-exceed-the-limit-of-72-characters?\n"
+            "  |       string\n"
+            "  +--rw a?\n"
+            "          leafref\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+node_iffeatures(void **state)
+{
+    TEST_LOCAL_SETUP;
+    orig =
+            "module a14 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "\n"
+            "  feature foo;\n"
+            "\n"
+            "  feature bar;\n"
+            "  container c {\n"
+            "    if-feature \"foo or bar\";\n"
+            "  }\n"
+            "}\n";
+
+    /* from pyang */
+    expect =
+            "module: a14\n"
+            "  +--rw c {foo or bar}?\n";
+
+    const char *feats[] = {"foo", NULL};
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, feats, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+indent_wrapper(void **state)
+{
+    TEST_LOCAL_SETUP;
+    orig =
+            "module a15 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "  container a {\n"
+            "    container b;\n"
+            "  }\n"
+            "  container c {\n"
+            "    container d {\n"
+            "      container e;\n"
+            "    }\n"
+            "    container f {\n"
+            "      container g;\n"
+            "    }\n"
+            "  }\n"
+            "  container h;\n"
+            "  container i {\n"
+            "    container j;\n"
+            "    container k;\n"
+            "  }\n"
+            "}\n";
+
+    /* from pyang */
+    expect =
+            "module: a15\n"
+            "  +--rw a\n"
+            "  |  +--rw b\n"
+            "  +--rw c\n"
+            "  |  +--rw d\n"
+            "  |  |  +--rw e\n"
+            "  |  +--rw f\n"
+            "  |     +--rw g\n"
+            "  +--rw h\n"
+            "  +--rw i\n"
+            "     +--rw j\n"
+            "     +--rw k\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+line_length_twiddling(void **state)
+{
+    TEST_LOCAL_SETUP;
+    /* node_fits_tight */
+
+    orig =
+            "module a16 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "\n"
+            "  feature f;\n"
+            "\n"
+            "  typedef some-long-type {\n"
+            "    type string;\n"
+            "  }\n"
+            "  list my-list-name {\n"
+            "    key \"key\";\n"
+            "    leaf key {\n"
+            "      type string;\n"
+            "    }\n"
+            "    leaf nod-leaf {\n"
+            "      if-feature \"f\";\n"
+            "      type some-long-type;\n"
+            "    }\n"
+            "    leaf nos-leaf {\n"
+            "      if-feature \"f\";\n"
+            "      type int32;\n"
+            "    }\n"
+            "  }\n"
+            "}\n";
+
+    /* pyang --tree-line-length 42 */
+    expect =
+            "module: a16\n"
+            "  +--rw my-list-name* [key]\n"
+            "     +--rw key         string\n"
+            "     +--rw nod-leaf?   some-long-type {f}?\n"
+            "     +--rw nos-leaf?   int32 {f}?\n";
+
+    const char *feats[] = {"f", NULL};
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, feats, &mod);
+    TEST_LOCAL_PRINT(mod, 42);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 42);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    ly_out_reset(UTEST_OUT);
+    /* break_before_iffeature */
+
+    /* pyang --tree-line-length 41 */
+    expect =
+            "module: a16\n"
+            "  +--rw my-list-name* [key]\n"
+            "     +--rw key         string\n"
+            "     +--rw nod-leaf?   some-long-type\n"
+            "     |       {f}?\n"
+            "     +--rw nos-leaf?   int32 {f}?\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, feats, &mod);
+    TEST_LOCAL_PRINT(mod, 41);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 41);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    ly_out_reset(UTEST_OUT);
+    /* break_before_type */
+
+    /* pyang --tree-line-length 29 */
+    expect =
+            "module: a16\n"
+            "  +--rw my-list-name* [key]\n"
+            "     +--rw key         string\n"
+            "     +--rw nod-leaf?\n"
+            "     |       some-long-type\n"
+            "     |       {f}?\n"
+            "     +--rw nos-leaf?   int32\n"
+            "             {f}?\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, feats, &mod);
+    TEST_LOCAL_PRINT(mod, 29);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 29);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    ly_out_reset(UTEST_OUT);
+    /* break_before_keys */
+
+    /* pyang --tree-line-length 23 */
+    expect =
+            "module: a16\n"
+            "  +--rw my-list-name*\n"
+            "          [key]\n"
+            "     +--rw key\n"
+            "     |       string\n"
+            "     +--rw nod-leaf?\n"
+            "     |       some-long-type\n"
+            "     |       {f}?\n"
+            "     +--rw nos-leaf?\n"
+            "             int32 {f}?\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, feats, &mod);
+    TEST_LOCAL_PRINT(mod, 23);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 23);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    ly_out_reset(UTEST_OUT);
+    /* every_node_name_is_too_long */
+
+    /* pyang --tree-line-length 14 */
+    expect =
+            "module: a16\n"
+            "  +--rw my-list-name*\n"
+            "          [key]\n"
+            "     +--rw key\n"
+            "     |       string\n"
+            "     +--rw nod-leaf?\n"
+            "     |       some-long-type\n"
+            "     |       {f}?\n"
+            "     +--rw nos-leaf?\n"
+            "             int32\n"
+            "             {f}?\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, feats, &mod);
+    TEST_LOCAL_PRINT(mod, 14);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 14);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+break_before_leafref(void **state)
+{
+    TEST_LOCAL_SETUP;
+    orig =
+            "module a17 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "  leaf e {\n"
+            "    type string;\n"
+            "  }\n"
+            "  leaf abcd {\n"
+            "    type leafref {\n"
+            "      path \"/x:e\";\n"
+            "    }\n"
+            "  }\n"
+            "}\n";
+
+    /* yanglint --tree-line-length 14 */
+    expect =
+            "module: a17\n"
+            "  +--rw e?\n"
+            "  |       string\n"
+            "  +--rw abcd?\n"
+            "          -> /x:e\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 14);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 14);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+break_before_leafref_and_iffeature(void **state)
+{
+    TEST_LOCAL_SETUP;
+    orig =
+            "module a18 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "\n"
+            "  feature f;\n"
+            "  leaf some-long-id {\n"
+            "    type string;\n"
+            "  }\n"
+            "  leaf a {\n"
+            "    if-feature \"f\";\n"
+            "    type leafref {\n"
+            "      path \"/x:some-long-id\";\n"
+            "    }\n"
+            "  }\n"
+            "}\n";
+
+    /*  yanglint --tree-no-leafref-target --tree-line-length=20 */
+    expect =
+            "module: a18\n"
+            "  +--rw some-long-id?\n"
+            "  |       string\n"
+            "  +--rw a?\n"
+            "          leafref\n"
+            "          {f}?\n";
+
+    const char *feats[] = {"f", NULL};
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, feats, &mod);
+    TEST_LOCAL_PRINT(mod, 20);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 20);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+basic_unified_indent_before_type(void **state)
+{
+    TEST_LOCAL_SETUP;
+    orig =
+            "module a19 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "\n"
+            "  typedef longType {\n"
+            "    type string;\n"
+            "  }\n"
+            "  container A {\n"
+            "    leaf Bnode {\n"
+            "      type int8;\n"
+            "    }\n"
+            "    leaf Cnode {\n"
+            "      type int8;\n"
+            "      mandatory true;\n"
+            "    }\n"
+            "    leaf Dnode {\n"
+            "      type int8;\n"
+            "      mandatory true;\n"
+            "    }\n"
+            "    leaf E {\n"
+            "      type longType;\n"
+            "      mandatory true;\n"
+            "    }\n"
+            "    leaf G {\n"
+            "      type int8;\n"
+            "    }\n"
+            "  }\n"
+            "}\n";
+
+    /* from pyang */
+    expect =
+            "module: a19\n"
+            "  +--rw A\n"
+            "     +--rw Bnode?   int8\n"
+            "     +--rw Cnode    int8\n"
+            "     +--rw Dnode    int8\n"
+            "     +--rw E        longType\n"
+            "     +--rw G?       int8\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+twiddling_unified_indent_before_type(void **state)
+{
+    TEST_LOCAL_SETUP;
+    /* basic_functionality */
+
+    orig =
+            "module a20 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "\n"
+            "  typedef longType {\n"
+            "    type string;\n"
+            "  }\n"
+            "  container A {\n"
+            "    leaf Bnode {\n"
+            "      type int8;\n"
+            "    }\n"
+            "    leaf CnodeIsBigger {\n"
+            "      type int8;\n"
+            "      mandatory true;\n"
+            "    }\n"
+            "    leaf Dnode {\n"
+            "      type int8;\n"
+            "      mandatory true;\n"
+            "    }\n"
+            "    leaf E {\n"
+            "      type longType;\n"
+            "      mandatory true;\n"
+            "    }\n"
+            "    leaf G {\n"
+            "      type int8;\n"
+            "    }\n"
+            "  }\n"
+            "}\n";
+
+    /* pyang --tree-line-length 36 */
+    expect =
+            "module: a20\n"
+            "  +--rw A\n"
+            "     +--rw Bnode?           int8\n"
+            "     +--rw CnodeIsBigger    int8\n"
+            "     +--rw Dnode            int8\n"
+            "     +--rw E                longType\n"
+            "     +--rw G?               int8\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 36);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 36);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    ly_out_reset(UTEST_OUT);
+    /* unified_indent_before_type_long_node_name */
+
+    /* pyang --tree-line-length 32 */
+    expect =
+            "module: a20\n"
+            "  +--rw A\n"
+            "     +--rw Bnode?           int8\n"
+            "     +--rw CnodeIsBigger    int8\n"
+            "     +--rw Dnode            int8\n"
+            "     +--rw E\n"
+            "     |       longType\n"
+            "     +--rw G?               int8\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 32);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 32);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    ly_out_reset(UTEST_OUT);
+    /* unified_indent_before_type_long_node_type */
+
+    /* pyang --tree-line-length 31 */
+    expect =
+            "module: a20\n"
+            "  +--rw A\n"
+            "     +--rw Bnode?\n"
+            "     |       int8\n"
+            "     +--rw CnodeIsBigger\n"
+            "     |       int8\n"
+            "     +--rw Dnode\n"
+            "     |       int8\n"
+            "     +--rw E\n"
+            "     |       longType\n"
+            "     +--rw G?\n"
+            "             int8\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 31);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 31);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+inheritance_of_config_flag(void **state)
+{
+    TEST_LOCAL_SETUP;
+    orig =
+            "module a21 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "  container a {\n"
+            "    config false;\n"
+            "    leaf b {\n"
+            "      type string;\n"
+            "    }\n"
+            "  }\n"
+            "}\n";
+
+    /* from pyang */
+    expect =
+            "module: a21\n"
+            "  +--ro a\n"
+            "     +--ro b?   string\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+inheritance_of_status_flag(void **state)
+{
+    TEST_LOCAL_SETUP;
+    /* throws libyang warn: Missing explicit "..." status that was already specified in parent, inheriting. */
+    orig =
+            "module a22 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "  container a {\n"
+            "    status current;\n"
+            "    container b {\n"
+            "      status deprecated;\n"
+            "      leaf f {\n"
+            "        type string;\n"
+            "      }\n"
+            "    }\n"
+            "    container c {\n"
+            "      status obsolete;\n"
+            "      leaf g {\n"
+            "        type string;\n"
+            "      }\n"
+            "    }\n"
+            "  }\n"
+            "  container d {\n"
+            "    status deprecated;\n"
+            "    container h {\n"
+            "      status obsolete;\n"
+            "      leaf e {\n"
+            "        type string;\n"
+            "      }\n"
+            "    }\n"
+            "  }\n"
+            "}\n";
+
+    /* from yanglint 1 */
+    expect =
+            "module: a22\n"
+            "  +--rw a\n"
+            "  |  x--rw b\n"
+            "  |  |  x--rw f?   string\n"
+            "  |  o--rw c\n"
+            "  |     o--rw g?   string\n"
+            "  x--rw d\n"
+            "     o--rw h\n"
+            "        o--rw e?   string\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+key_leaf_is_always_mandatory_true(void **state)
+{
+    TEST_LOCAL_SETUP;
+    orig =
+            "module a23 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "  list a {\n"
+            "    key \"k1\";\n"
+            "    list b {\n"
+            "      key \"k2\";\n"
+            "      leaf k1 {\n"
+            "        type string;\n"
+            "      }\n"
+            "      leaf k2 {\n"
+            "        type string;\n"
+            "      }\n"
+            "    }\n"
+            "    leaf k1 {\n"
+            "      type string;\n"
+            "    }\n"
+            "  }\n"
+            "}\n";
+
+    /* from pyang */
+    expect =
+            "module: a23\n"
+            "  +--rw a* [k1]\n"
+            "     +--rw b* [k2]\n"
+            "     |  +--rw k1?   string\n"
+            "     |  +--rw k2    string\n"
+            "     +--rw k1    string\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+
+    /* from pyang but with some swapped lines */
+    expect =
+            "module: a23\n"
+            "  +--rw a* [k1]\n"
+            "     +--rw k1    string\n"
+            "     +--rw b* [k2]\n"
+            "        +--rw k2    string\n"
+            "        +--rw k1?   string\n";
+
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+transition_between_rpc_and_notif(void **state)
+{
+    TEST_LOCAL_SETUP;
+    orig =
+            "module a24 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "  container top {\n"
+            "    leaf g {\n"
+            "      type string;\n"
+            "    }\n"
+            "    action rpc1 {\n"
+            "\n"
+            "      input {\n"
+            "        leaf in {\n"
+            "          type string;\n"
+            "        }\n"
+            "      }\n"
+            "    }\n"
+            "    action rpc2 {\n"
+            "\n"
+            "      input {\n"
+            "        leaf in {\n"
+            "          type string;\n"
+            "        }\n"
+            "      }\n"
+            "\n"
+            "      output {\n"
+            "        leaf out {\n"
+            "          type string;\n"
+            "        }\n"
+            "      }\n"
+            "    }\n"
+            "    notification n1;\n"
+            "    notification n2;\n"
+            "  }\n"
+            "}\n";
+
+    /* from pyang */
+    expect =
+            "module: a24\n"
+            "  +--rw top\n"
+            "     +--rw g?      string\n"
+            "     +---x rpc1\n"
+            "     |  +---w input\n"
+            "     |     +---w in?   string\n"
+            "     +---x rpc2\n"
+            "     |  +---w input\n"
+            "     |  |  +---w in?   string\n"
+            "     |  +--ro output\n"
+            "     |     +--ro out?   string\n"
+            "     +---n n1\n"
+            "     +---n n2\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+local_augment(void **state)
+{
+    TEST_LOCAL_SETUP;
+
+    orig =
+            "module a25 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "  container g;\n"
+            "  augment \"/x:g\" {\n"
+            "    container e;\n"
+            "  }\n"
+            "}\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+
+    /* from pyang */
+    expect =
+            "module: a25\n"
+            "  +--rw g\n"
+            "     +--rw e\n";
+
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+print_compiled_node(void **state)
+{
+    TEST_LOCAL_SETUP;
+    const struct lysc_node *node;
+
+    orig =
+            "module a26 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "  container g {\n"
+            "    leaf a {\n"
+            "      type string;\n"
+            "    }\n"
+            "    container h {\n"
+            "      leaf b {\n"
+            "        type string;\n"
+            "        mandatory true;\n"
+            "      }\n"
+            "      leaf c {\n"
+            "        type string;\n"
+            "      }\n"
+            "    }\n"
+            "  }\n"
+            "}\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+
+    /* pyang -f tree --tree-path /g/h/c */
+    expect =
+            "module: a26\n"
+            "  +--rw g\n"
+            "     +--rw h\n"
+            "        +--rw c?   string\n";
+
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    node = lys_find_path(UTEST_LYCTX, NULL, "/a26:g/h/c", 0);
+    CHECK_POINTER(node, 1);
+    assert_int_equal(LY_SUCCESS, lys_print_node(UTEST_OUT, node, LYS_OUT_TREE, 72, 0));
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+
+    /* pyang -f tree --tree-path /g/h */
+    expect =
+            "module: a26\n"
+            "  +--rw g\n"
+            "     +--rw h\n"
+            "        +--rw b    string\n"
+            "        +--rw c?   string\n";
+
+    node = lys_find_path(UTEST_LYCTX, NULL, "/a26:g/h", 0);
+    CHECK_POINTER(node, 1);
+    assert_int_equal(LY_SUCCESS, lys_print_node(UTEST_OUT, node, LYS_OUT_TREE, 72, 0));
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+
+    /* pyang whose output is adjusted manually */
+    expect =
+            "module: a26\n"
+            "  +--rw g\n"
+            "     +--rw h\n";
+
+    node = lys_find_path(UTEST_LYCTX, NULL, "/a26:g/h", 0);
+    CHECK_POINTER(node, 1);
+    assert_int_equal(LY_SUCCESS, lys_print_node(UTEST_OUT, node, LYS_OUT_TREE, 72, LYS_PRINT_NO_SUBSTMT));
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static LY_ERR
+local_imp_clb(const char *UNUSED(mod_name), const char *UNUSED(mod_rev), const char *UNUSED(submod_name),
+        const char *UNUSED(sub_rev), void *user_data, LYS_INFORMAT *format,
+        const char **module_data, void (**free_module_data)(void *model_data, void *user_data))
+{
+    *module_data = user_data;
+    *format = LYS_IN_YANG;
+    *free_module_data = NULL;
+    return LY_SUCCESS;
+}
+
+static void
+print_parsed_submodule(void **state)
+{
+    TEST_LOCAL_SETUP;
+
+    orig = "module a27 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "\n"
+            "  include \"a27-sub\";\n"
+            "}\n";
+
+    char *submodule =
+            "submodule a27-sub {\n"
+            "  yang-version 1.1;\n"
+            "  belongs-to a27 {\n"
+            "    prefix x;\n"
+            "  }\n"
+            "\n"
+            "  container h {\n"
+            "    leaf b {\n"
+            "      type string;\n"
+            "    }\n"
+            "  }\n"
+            "}\n";
+
+    /* edited pyang output */
+    expect =
+            "submodule: a27-sub\n"
+            "  +--rw h\n"
+            "     +--rw b?   string\n";
+
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, local_imp_clb, submodule);
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    assert_int_equal(LY_SUCCESS, lys_print_submodule(UTEST_OUT, mod->parsed->includes[0].submodule, LYS_OUT_TREE, 72, 0));
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+yang_data(void **state)
+{
+    TEST_LOCAL_SETUP;
+
+    assert_int_equal(LY_SUCCESS, ly_ctx_set_searchdir(UTEST_LYCTX, TESTS_DIR_MODULES_YANG));
+    assert_non_null(ly_ctx_load_module(UTEST_LYCTX, "ietf-restconf", "2017-01-26", NULL));
+
+    orig =
+            "module a28 {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"x:y\";\n"
+            "  prefix x;\n"
+            "\n"
+            "  import ietf-restconf {\n"
+            "    prefix rc;\n"
+            "    revision-date 2017-01-26;\n"
+            "  }\n"
+            "\n"
+            "  rc:yang-data \"tmp1\" {\n"
+            "    container cont1 {\n"
+            "      leaf lf {\n"
+            "        type string;\n"
+            "      }\n"
+            "      list l2 {\n"
+            "        key\n"
+            "          \"a b\";\n"
+            "        leaf a {\n"
+            "          type string;\n"
+            "        }\n"
+            "        leaf b {\n"
+            "          type string;\n"
+            "        }\n"
+            "      }\n"
+            "    }\n"
+            "  }\n"
+            "  rc:yang-data \"tmp2\" {\n"
+            "    container con2 {\n"
+            "      leaf lf {\n"
+            "        type string;\n"
+            "      }\n"
+            "    }\n"
+            "  }\n"
+            "  rc:yang-data \"tmp3\" {\n"
+            "    uses g1;\n"
+            "    uses g2;\n"
+            "  }\n"
+            "  rc:yang-data \"tmp4\" {\n"
+            "    choice x {\n"
+            "      case a {\n"
+            "        container z;\n"
+            "      }\n"
+            "      case b {\n"
+            "        container y;\n"
+            "      }\n"
+            "    }\n"
+            "  }\n"
+            "\n"
+            "  grouping g1 {\n"
+            "    description\n"
+            "      \"Some Text\";\n"
+            "  }\n"
+            "\n"
+            "  grouping g2 {\n"
+            "    container cont3;\n"
+            "  }\n"
+            "  container mont;\n"
+            "}\n";
+
+    /* from pyang (--tree-print-yang-data --tree-print-groupings -p "...")
+     * but with these adjustments:
+     *  - <flags> is always '--' for yang-data nodes
+     *  - yang-data tmp3 has two 'uses' nodes
+     *  - grouping g2 has ':' character at the end
+     */
+    expect =
+            "module: a28\n"
+            "  +--rw mont\n"
+            "\n"
+            "  grouping g1\n"
+            "  grouping g2:\n"
+            "    +---- cont3\n"
+            "\n"
+            "  yang-data tmp1:\n"
+            "    +---- cont1\n"
+            "       +---- lf?   string\n"
+            "       +---- l2* [a b]\n"
+            "          +---- a    string\n"
+            "          +---- b    string\n"
+            "  yang-data tmp2:\n"
+            "    +---- con2\n"
+            "       +---- lf?   string\n"
+            "  yang-data tmp3:\n"
+            "    +---u g1\n"
+            "    +---u g2\n"
+            "  yang-data tmp4:\n"
+            "    +---- (x)?\n"
+            "       +--:(a)\n"
+            "       |  +---- z\n"
+            "       +--:(b)\n"
+            "          +---- y\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+
+    ly_out_reset(UTEST_OUT);
+
+    /* from pyang (--tree-print-yang-data -p "...")
+     * but with these adjustments:
+     *  <flags> is always '--' for yang-data nodes
+     */
+    expect =
+            "module: a28\n"
+            "  +--rw mont\n"
+            "\n"
+            "  yang-data tmp1:\n"
+            "    +---- cont1\n"
+            "       +---- lf?   string\n"
+            "       +---- l2* [a b]\n"
+            "          +---- a    string\n"
+            "          +---- b    string\n"
+            "  yang-data tmp2:\n"
+            "    +---- con2\n"
+            "       +---- lf?   string\n"
+            "  yang-data tmp3:\n"
+            "    +---- cont3\n"
+            "  yang-data tmp4:\n"
+            "    +---- (x)?\n"
+            "       +--:(a)\n"
+            "       |  +---- z\n"
+            "       +--:(b)\n"
+            "          +---- y\n";
+
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+static LY_ERR
+getter(const struct lysc_ext_instance *ext, void *user_data, void **ext_data, ly_bool *ext_data_free)
+{
+    struct ly_ctx *ctx;
+    struct lyd_node *data = NULL;
+
+    ctx = ext->module->ctx;
+    if (user_data) {
+        assert_int_equal(LY_SUCCESS, lyd_parse_data_mem(ctx, user_data, LYD_XML, 0, LYD_VALIDATE_PRESENT, &data));
+    }
+
+    *ext_data = data;
+    *ext_data_free = 1;
+    return LY_SUCCESS;
+}
+
+#define SM_MODNAME_EXT "sm-extension"
+#define SM_MOD_EXT_NAMESPACE "urn:sm-ext"
+#define SM_PREF "sm"
+#define SCHEMA_REF_INLINE "<inline></inline>"
+#define SCHEMA_REF_SHARED(REF) "<shared-schema>"REF"</shared-schema>"
+
+#define EXT_DATA(MPMOD_NAME, MODULES, SCHEMA_REF) \
+    "<yang-library xmlns=\"urn:ietf:params:xml:ns:yang:ietf-yang-library\"\n" \
+    "   xmlns:ds=\"urn:ietf:params:xml:ns:yang:ietf-datastores\">\n" \
+    "<module-set>\n" \
+    "   <name>test-set</name>\n" \
+    "   <module>\n" \
+    "      <name>"SM_MODNAME_EXT"</name>\n" \
+    "      <namespace>"SM_MOD_EXT_NAMESPACE"</namespace>\n" \
+    "   </module>\n" \
+    MODULES \
+    "</module-set>\n" \
+    "<content-id>1</content-id>\n" \
+    "</yang-library>\n" \
+    "<modules-state xmlns=\"urn:ietf:params:xml:ns:yang:ietf-yang-library\">\n" \
+    "<module-set-id>1</module-set-id>\n" \
+    "</modules-state>\n" \
+    "<schema-mounts xmlns=\"urn:ietf:params:xml:ns:yang:ietf-yang-schema-mount\">\n" \
+    "<namespace>\n" \
+    "   <prefix>"SM_PREF"</prefix>\n" \
+    "   <uri>x:"MPMOD_NAME"</uri>\n" \
+    "</namespace>\n" \
+    "<mount-point>\n" \
+    "   <module>"MPMOD_NAME"</module>\n" \
+    "   <label>mnt-root</label>\n" \
+    SCHEMA_REF \
+    "</mount-point>\n" \
+    "</schema-mounts>"
+
+#define SM_MOD_MAIN(NAME, BODY) \
+    "module "NAME" {\n" \
+    "  yang-version 1.1;\n" \
+    "  namespace \"x:"NAME"\";\n" \
+    "  prefix \"x\";\n" \
+    "  import ietf-yang-schema-mount {\n" \
+    "    prefix yangmnt;\n" \
+    "  }\n" \
+    BODY \
+    "}"
+
+static void
+mount_point(void **state)
+{
+    char *data;
+
+    TEST_LOCAL_SETUP;
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    /* interested in sm-extension.yang and sm-mod.yang */
+    assert_int_equal(LY_SUCCESS, ly_ctx_set_searchdir(UTEST_LYCTX, TESTS_DIR_MODULES_YANG));
+
+    /*
+     * 'mp' flag for list and container
+     */
+    orig = SM_MOD_MAIN("a29",
+            "list lt {\n"
+            "  key \"name\";\n"
+            "  leaf name {\n"
+            "    type string;\n"
+            "  }\n"
+            "  yangmnt:mount-point \"mnt-root\";\n"
+            "}\n"
+            "container cont {\n"
+            "  yangmnt:mount-point \"mnt-root\";\n"
+            "}\n");
+    expect =
+            "module: a29\n"
+            "  +--mp lt* [name]\n"
+            "  |  +--rw name    string\n"
+            "  +--mp cont\n";
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_out_reset(UTEST_OUT);
+
+    /*
+     * mount schema by 'inline' schema-ref
+     */
+    orig = SM_MOD_MAIN("a30",
+            "list lt {\n"
+            "  key \"name\";\n"
+            "  leaf name {\n"
+            "    type string;\n"
+            "  }\n"
+            "  yangmnt:mount-point \"mnt-root\";\n"
+            "}\n");
+    expect =
+            "module: a30\n"
+            "  +--mp lt* [name]\n"
+            "     +--rw tlist/* [name]\n"
+            "     |  +--rw name    uint32\n"
+            "     +--rw tcont/\n"
+            "     |  +--rw tleaf?   uint32\n"
+            "     +--rw name    string\n";
+    data = EXT_DATA("a30", "", SCHEMA_REF_INLINE);
+    ly_ctx_set_ext_data_clb(UTEST_LYCTX, getter, data);
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_out_reset(UTEST_OUT);
+
+    /*
+     * mount schema into empty container
+     */
+    orig = SM_MOD_MAIN("a31",
+            "container cont {\n"
+            "  yangmnt:mount-point \"mnt-root\";\n"
+            "}\n"
+            "leaf lf {\n"
+            "  type string;\n"
+            "}\n");
+    expect =
+            "module: a31\n"
+            "  +--mp cont\n"
+            "  |  +--rw tlist/* [name]\n"
+            "  |  |  +--rw name    uint32\n"
+            "  |  +--rw tcont/\n"
+            "  |     +--rw tleaf?   uint32\n"
+            "  +--rw lf?     string\n";
+    data = EXT_DATA("a31", "", SCHEMA_REF_INLINE);
+    ly_ctx_set_ext_data_clb(UTEST_LYCTX, getter, data);
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_out_reset(UTEST_OUT);
+
+    /*
+     * mount schema into non-empty container
+     */
+    orig = SM_MOD_MAIN("a32",
+            "container cont {\n"
+            "  leaf lf1 {\n"
+            "    type string;\n"
+            "  }\n"
+            "  yangmnt:mount-point \"mnt-root\";\n"
+            "  leaf lf2 {\n"
+            "    type string;\n"
+            "  }\n"
+            "}\n");
+    expect =
+            "module: a32\n"
+            "  +--mp cont\n"
+            "     +--rw tlist/* [name]\n"
+            "     |  +--rw name    uint32\n"
+            "     +--rw tcont/\n"
+            "     |  +--rw tleaf?   uint32\n"
+            "     +--rw lf1?   string\n"
+            "     +--rw lf2?   string\n";
+    data = EXT_DATA("a32", "", SCHEMA_REF_INLINE);
+    ly_ctx_set_ext_data_clb(UTEST_LYCTX, getter, data);
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_out_reset(UTEST_OUT);
+
+    /*
+     * mounting with parent-reference
+     */
+    orig = SM_MOD_MAIN("a33",
+            "list pr {\n"
+            "  key \"name\";\n"
+            "  leaf name {\n"
+            "    type string;\n"
+            "  }\n"
+            "  leaf prlf {\n"
+            "    type string;\n"
+            "  }\n"
+            "}\n"
+            "leaf lf {\n"
+            "  type string;\n"
+            "}\n"
+            "container cont {\n"
+            "  yangmnt:mount-point \"mnt-root\";\n"
+            "  list lt {\n"
+            "    key \"name\";\n"
+            "    leaf name {\n"
+            "      type string;\n"
+            "    }\n"
+            "  }\n"
+            "}\n");
+    expect =
+            "module: a33\n"
+            "  +--rw pr* [name]\n"
+            "  |  +--rw name    string\n"
+            "  |  +--rw prlf?   string\n"
+            "  +--rw lf?     string\n"
+            "  +--mp cont\n"
+            "     +--rw tlist/* [name]\n"
+            "     |  +--rw name    uint32\n"
+            "     +--rw tcont/\n"
+            "     |  +--rw tleaf?   uint32\n"
+            "     +--rw pr@* [name]\n"
+            "     |  +--rw prlf?   string\n"
+            "     +--rw lf@?     string\n"
+            "     +--rw lt* [name]\n"
+            "        +--rw name    string\n";
+    data = EXT_DATA("a33", "", SCHEMA_REF_SHARED(
+            "<parent-reference>/"SM_PREF ":pr/"SM_PREF ":prlf</parent-reference>\n"
+            "<parent-reference>/"SM_PREF ":lf</parent-reference>\n"));
+    ly_ctx_set_ext_data_clb(UTEST_LYCTX, getter, data);
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_out_reset(UTEST_OUT);
+
+    /*
+     * mounting with parent-reference into empty container
+     */
+    orig = SM_MOD_MAIN("a34",
+            "container cont {\n"
+            "  yangmnt:mount-point \"mnt-root\";\n"
+            "}\n"
+            "leaf lf {\n"
+            "  type string;\n"
+            "}\n");
+    expect =
+            "module: a34\n"
+            "  +--mp cont\n"
+            "  |  +--rw tlist/* [name]\n"
+            "  |  |  +--rw name    uint32\n"
+            "  |  +--rw tcont/\n"
+            "  |  |  +--rw tleaf?   uint32\n"
+            "  |  +--rw lf@?     string\n"
+            "  +--rw lf?     string\n";
+    data = EXT_DATA("a34", "",
+            SCHEMA_REF_SHARED(
+            "<parent-reference>/"SM_PREF ":lf</parent-reference>\n"));
+    ly_ctx_set_ext_data_clb(UTEST_LYCTX, getter, data);
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_out_reset(UTEST_OUT);
+
+    /*
+     * mounting module which is only parsed
+     */
+    orig = SM_MOD_MAIN("a35",
+            "import sm-mod {\n"
+            "  prefix smm;\n"
+            "}\n"
+            "container pr {\n"
+            "  leaf prlf {\n"
+            "    type uint32;\n"
+            "  }\n"
+            "}\n"
+            "list lt {\n"
+            "  key \"name\";\n"
+            "  yangmnt:mount-point \"mnt-root\";\n"
+            "  leaf name {\n"
+            "    type string;\n"
+            "  }\n"
+            "}\n");
+    expect =
+            "module: a35\n"
+            "  +--rw pr\n"
+            "  |  +--rw prlf?   uint32\n"
+            "  +--mp lt* [name]\n"
+            "     +--rw tlist/* [name]\n"
+            "     |  +--rw name    uint32\n"
+            "     +--rw tcont/\n"
+            "     |  +--rw tleaf?   uint32\n"
+            "     +--mp ncmp/\n"
+            "     +--rw not-compiled/\n"
+            "     |  +--rw first?    string\n"
+            "     |  +--rw second?   string\n"
+            "     +--rw pr@\n"
+            "     |  +--rw prlf?   uint32\n"
+            "     +--rw name    string\n";
+    data = EXT_DATA("a35",
+            "<module>\n"
+            "   <name>sm-mod</name>\n"
+            "   <namespace>urn:sm-mod</namespace>\n"
+            "</module>\n",
+            SCHEMA_REF_SHARED(
+            "<parent-reference>/"SM_PREF ":pr/"SM_PREF ":prlf</parent-reference>\n"));
+    ly_ctx_set_ext_data_clb(UTEST_LYCTX, getter, data);
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_out_reset(UTEST_OUT);
+
+    /*
+     * notifications and rpcs in mounted module
+     */
+    orig = SM_MOD_MAIN("a36",
+            "container cont {\n"
+            "  yangmnt:mount-point \"mnt-root\";\n"
+            "}\n");
+    expect =
+            "module: a36\n"
+            "  +--mp cont\n"
+            "     +--rw tlist/* [name]\n"
+            "     |  +--rw name    uint32\n"
+            "     +--rw tcont/\n"
+            "     |  +--rw tleaf?   uint32\n"
+            "     +--rw cont/\n"
+            "     |  +---x cr\n"
+            "     |  |  +---w input\n"
+            "     |  |  |  +---w in?   string\n"
+            "     |  |  +--ro output\n"
+            "     |  |     +--ro out?   string\n"
+            "     |  +---n cn\n"
+            "     +---x r1/\n"
+            "     +---x r2/\n"
+            "     +---n n1/\n"
+            "     +---n n2/\n";
+    data = EXT_DATA("a36",
+            "<module>\n"
+            "   <name>sm-rpcnotif</name>\n"
+            "   <namespace>urn:rpcnotif</namespace>\n"
+            "</module>\n",
+            SCHEMA_REF_INLINE);
+    ly_ctx_set_ext_data_clb(UTEST_LYCTX, getter, data);
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_out_reset(UTEST_OUT);
+
+    /*
+     * parent-ref composes the '@' subtree
+     */
+    orig = SM_MOD_MAIN("a37",
+            "container pr {\n"
+            "  leaf ignored_node {\n"
+            "    type string;\n"
+            "  }\n"
+            "  container cont {\n"
+            "    leaf ignored_lf {\n"
+            "      type uint32;\n"
+            "    }\n"
+            "  }\n"
+            "  container ignored_subtree {\n"
+            "    leaf ignored_lf {\n"
+            "      type uint32;\n"
+            "    }\n"
+            "  }\n"
+            "  container cont_sibl {\n"
+            "    leaf slf {\n"
+            "      type string;\n"
+            "    }\n"
+            "  }\n"
+            "  leaf lf {\n"
+            "    type uint32;\n"
+            "  }\n"
+            "}\n"
+            "container cont_mount {\n"
+            "  yangmnt:mount-point \"mnt-root\";\n"
+            "}\n");
+    expect =
+            "module: a37\n"
+            "  +--rw pr\n"
+            "  |  +--rw ignored_node?      string\n"
+            "  |  +--rw cont\n"
+            "  |  |  +--rw ignored_lf?   uint32\n"
+            "  |  +--rw ignored_subtree\n"
+            "  |  |  +--rw ignored_lf?   uint32\n"
+            "  |  +--rw cont_sibl\n"
+            "  |  |  +--rw slf?   string\n"
+            "  |  +--rw lf?                uint32\n"
+            "  +--mp cont_mount\n"
+            "     +--rw tlist/* [name]\n"
+            "     |  +--rw name    uint32\n"
+            "     +--rw tcont/\n"
+            "     |  +--rw tleaf?   uint32\n"
+            "     +--rw pr@\n"
+            "        +--rw cont\n"
+            "        +--rw cont_sibl\n"
+            "        |  +--rw slf?   string\n"
+            "        +--rw lf?          uint32\n";
+    data = EXT_DATA("a37", "", SCHEMA_REF_SHARED(
+            "<parent-reference>/"SM_PREF ":pr/"SM_PREF ":cont_sibl/slf</parent-reference>\n"
+            "<parent-reference>/"SM_PREF ":pr/"SM_PREF ":cont</parent-reference>\n"
+            "<parent-reference>/"SM_PREF ":pr/"SM_PREF ":lf</parent-reference>\n"));
+    ly_ctx_set_ext_data_clb(UTEST_LYCTX, getter, data);
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_out_reset(UTEST_OUT);
+
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_TEARDOWN;
+}
+
+static void
+structure(void **state)
+{
+    TEST_LOCAL_SETUP;
+
+    orig =
+            "module example-module {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"urn:example:example-module\";\n"
+            "  prefix exm;\n"
+            "\n"
+            "  import ietf-yang-structure-ext {\n"
+            "    prefix sx;\n"
+            "  }\n"
+            "\n"
+            "  sx:structure address-book {\n"
+            "    list address {\n"
+            "      key \"last first\";\n"
+            "      leaf last {\n"
+            "        type string;\n"
+            "      }\n"
+            "      leaf first {\n"
+            "        type string;\n"
+            "      }\n"
+            "      leaf street {\n"
+            "        type string;\n"
+            "      }\n"
+            "      leaf city {\n"
+            "        type string;\n"
+            "      }\n"
+            "      leaf state {\n"
+            "        type string;\n"
+            "      }\n"
+            "    }\n"
+            "  }\n"
+            "}\n";
+
+    /* from RFC 8791, Appendix A.1 */
+    expect =
+            "module: example-module\n"
+            "\n"
+            "  structure address-book:\n"
+            "    +-- address* [last first]\n"
+            "       +-- last      string\n"
+            "       +-- first     string\n"
+            "       +-- street?   string\n"
+            "       +-- city?     string\n"
+            "       +-- state?    string\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_out_reset(UTEST_OUT);
+
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_out_reset(UTEST_OUT);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    orig =
+            "module example-module-aug {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"urn:example:example-module-aug\";\n"
+            "  prefix exma;\n"
+            "\n"
+            "  import ietf-yang-structure-ext {\n"
+            "    prefix sx;\n"
+            "  }\n"
+            "  import example-module {\n"
+            "    prefix exm;\n"
+            "  }\n"
+            "\n"
+            "  sx:augment-structure \"/exm:address-book/exm:address\" {\n"
+            "    leaf county {\n"
+            "      type string;\n"
+            "    }\n"
+            "    leaf zipcode {\n"
+            "      type string;\n"
+            "    }\n"
+            "  }\n"
+            "}\n";
+
+    /* from RFC 8791, Appendix A.2 */
+    expect =
+            "module: example-module-aug\n"
+            "\n"
+            "  augment-structure /exm:address-book/exm:address:\n"
+            "    +-- county?    string\n"
+            "    +-- zipcode?   string\n";
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_out_reset(UTEST_OUT);
+
+    /* using lysc tree */
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+    TEST_LOCAL_PRINT(mod, 72);
+    assert_int_equal(strlen(expect), ly_out_printed(UTEST_OUT));
+    assert_string_equal(printed, expect);
+    ly_out_reset(UTEST_OUT);
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_SET_PRIV_PARSED);
+
+    TEST_LOCAL_TEARDOWN;
+}
+
+int
+main(void)
+{
+    const struct CMUnitTest tests[] = {
+        UTEST(base_sections),
+        UTEST(node_status),
+        UTEST(node_config_flags),
+        UTEST(node_rpcs_flags),
+        UTEST(node_grouping_flags),
+        UTEST(notif_inside_container),
+        UTEST(node_choice),
+        UTEST(node_case),
+        UTEST(optional_opts),
+        UTEST(presence_container),
+        UTEST(node_keys),
+        UTEST(node_type_target),
+        UTEST(node_type_leafref),
+        UTEST(node_iffeatures),
+        UTEST(indent_wrapper),
+        UTEST(line_length_twiddling),
+        UTEST(break_before_leafref),
+        UTEST(break_before_leafref_and_iffeature),
+        UTEST(basic_unified_indent_before_type),
+        UTEST(twiddling_unified_indent_before_type),
+        UTEST(inheritance_of_config_flag),
+        UTEST(inheritance_of_status_flag),
+        UTEST(key_leaf_is_always_mandatory_true),
+        UTEST(transition_between_rpc_and_notif),
+        UTEST(local_augment),
+        UTEST(print_compiled_node),
+        UTEST(print_parsed_submodule),
+        UTEST(yang_data),
+        UTEST(mount_point),
+        UTEST(structure),
+    };
+
+    return cmocka_run_group_tests(tests, NULL, NULL);
+}
diff --git a/tests/utests/schema/test_schema.c b/tests/utests/schema/test_schema.c
new file mode 100644
index 0000000..175b569
--- /dev/null
+++ b/tests/utests/schema/test_schema.c
@@ -0,0 +1,1887 @@
+/**
+ * @file test_schema.c
+ * @author Radek Krejci <rkrejci@cesnet.cz>
+ * @author Michal Vasko <mvasko@cesnet.cz>
+ * @brief unit tests for schema related functions
+ *
+ * Copyright (c) 2018 - 2022 CESNET, z.s.p.o.
+ *
+ * This source code is licensed under BSD 3-Clause License (the "License").
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://opensource.org/licenses/BSD-3-Clause
+ */
+#define _UTEST_MAIN_
+#include "utests.h"
+
+#include <string.h>
+
+#include "compat.h"
+#include "context.h"
+#include "log.h"
+#include "parser_schema.h"
+#include "plugins_exts.h"
+#include "set.h"
+#include "tree_edit.h"
+#include "tree_schema.h"
+#include "tree_schema_internal.h"
+
+static LY_ERR
+test_imp_clb(const char *UNUSED(mod_name), const char *UNUSED(mod_rev), const char *UNUSED(submod_name),
+        const char *UNUSED(sub_rev), void *user_data, LYS_INFORMAT *format,
+        const char **module_data, void (**free_module_data)(void *model_data, void *user_data))
+{
+    *module_data = user_data;
+    if ((*module_data)[0] == '<') {
+        *format = LYS_IN_YIN;
+    } else {
+        *format = LYS_IN_YANG;
+    }
+    *free_module_data = NULL;
+    return LY_SUCCESS;
+}
+
+#define TEST_YANG_MODULE_10(MOD_NAME, MOD_PREFIX, MOD_NS, CONTENT) \
+    "module "MOD_NAME" { namespace "MOD_NS"; prefix "MOD_PREFIX"; "CONTENT"}"
+
+#define TEST_YANG_MODULE_11(MOD_NAME, MOD_PREFIX, MOD_NS, CONTENT) \
+    "module "MOD_NAME" {yang-version 1.1; namespace "MOD_NS"; prefix "MOD_PREFIX"; "CONTENT"}"
+
+#define TEST_YIN_MODULE_10(MOD_NAME, MOD_PREFIX, MOD_NS, CONTENT) \
+    "<module xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\" name=\""MOD_NAME"\">" \
+    "<namespace uri=\""MOD_NS"\"/><prefix value=\""MOD_PREFIX"\"/>"CONTENT"</module>"
+
+#define TEST_YIN_MODULE_11(MOD_NAME, MOD_PREFIX, MOD_NS, CONTENT) \
+    "<module xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\" name=\""MOD_NAME"\"><yang-version value=\"1.1\"/>" \
+    "<namespace uri=\""MOD_NS"\"/><prefix value=\""MOD_PREFIX"\"/>"CONTENT"</module>"
+
+#define TEST_SCHEMA_STR(RFC7950, YIN, MOD_NAME, CONTENT, STR) \
+    if (YIN) { \
+        if (RFC7950) { \
+            STR = TEST_YIN_MODULE_11(MOD_NAME, MOD_NAME, "urn:libyang:test:"MOD_NAME, CONTENT); \
+        } else { \
+            STR = TEST_YIN_MODULE_10(MOD_NAME, MOD_NAME, "urn:libyang:test:"MOD_NAME, CONTENT); \
+        } \
+    } else { /* YANG */ \
+        if (RFC7950) { \
+            STR = TEST_YANG_MODULE_11(MOD_NAME, MOD_NAME, "urn:libyang:test:"MOD_NAME, CONTENT); \
+        } else { \
+            STR = TEST_YANG_MODULE_10(MOD_NAME, MOD_NAME, "urn:libyang:test:"MOD_NAME, CONTENT); \
+        } \
+    }
+
+#define TEST_SCHEMA_OK(RFC7950, YIN, MOD_NAME, CONTENT, RESULT) \
+    { \
+    const char *test_str__; \
+    TEST_SCHEMA_STR(RFC7950, YIN, MOD_NAME, CONTENT, test_str__) \
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, test_str__, YIN ? LYS_IN_YIN : LYS_IN_YANG, &(RESULT))); \
+    }
+
+#define TEST_SCHEMA_ERR(RFC7950, YIN, MOD_NAME, CONTENT, ERRMSG, ERRPATH) \
+    { \
+    const char *test_str__; \
+    TEST_SCHEMA_STR(RFC7950, YIN, MOD_NAME, CONTENT, test_str__) \
+    assert_int_not_equal(lys_parse_mem(UTEST_LYCTX, test_str__, YIN ? LYS_IN_YIN : LYS_IN_YANG, NULL), LY_SUCCESS); \
+    CHECK_LOG_CTX(ERRMSG, ERRPATH); \
+    }
+
+#define TEST_SCHEMA_PARSE_ERR(RFC7950, YIN, MOD_NAME, CONTENT, ERRMSG, ERRPATH) \
+    { \
+    const char *test_str__; \
+    TEST_SCHEMA_STR(RFC7950, YIN, MOD_NAME, CONTENT, test_str__) \
+    assert_int_not_equal(lys_parse_mem(UTEST_LYCTX, test_str__, YIN ? LYS_IN_YIN : LYS_IN_YANG, NULL), LY_SUCCESS); \
+    CHECK_LOG_CTX("Parsing module \""MOD_NAME"\" failed.", NULL, ERRMSG, ERRPATH); \
+    }
+
+#define TEST_STMT_DUP(RFC7950, YIN, STMT, MEMBER, VALUE1, VALUE2, LINE) \
+    if (YIN) { \
+        TEST_SCHEMA_PARSE_ERR(RFC7950, YIN, "dup", "", "Duplicate keyword \""MEMBER"\".", "Line number "LINE"."); \
+    } else { \
+        TEST_SCHEMA_PARSE_ERR(RFC7950, YIN, "dup", STMT"{"MEMBER" "VALUE1";"MEMBER" "VALUE2";}", \
+                        "Duplicate keyword \""MEMBER"\".", "Line number "LINE"."); \
+    }
+
+#define TEST_STMT_SUBSTM_ERR(RFC7950, STMT, SUBSTMT, VALUE) ;\
+        TEST_SCHEMA_PARSE_ERR(RFC7950, 0, "inv", STMT" test {"SUBSTMT" "VALUE";}", \
+                        "Invalid keyword \""SUBSTMT"\" as a child of \""STMT"\".", "Line number 1.");
+
+struct module_clb_list {
+    const char *name;
+    const char *data;
+};
+
+static LY_ERR
+module_clb(const char *mod_name, const char *UNUSED(mod_rev), const char *submod_name,
+        const char *UNUSED(sub_rev), void *user_data, LYS_INFORMAT *format,
+        const char **module_data, void (**free_module_data)(void *model_data, void *user_data))
+{
+    struct module_clb_list *list = (struct module_clb_list *)user_data;
+
+    for (unsigned int i = 0; list[i].data; i++) {
+
+        if ((submod_name && !strcmp(list[i].name, submod_name)) ||
+                (!submod_name && mod_name && !strcmp(list[i].name, mod_name))) {
+            *module_data = list[i].data;
+            *format = LYS_IN_YANG;
+            *free_module_data = NULL;
+            return LY_SUCCESS;
+        }
+    }
+    return LY_EINVAL;
+}
+
+static void
+test_getnext(void **state)
+{
+    struct lys_module *mod;
+    const struct lysc_node *node = NULL, *four;
+    const struct lysc_node_container *cont;
+    const struct lysc_action *rpc;
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a {yang-version 1.1; namespace urn:a;prefix a;"
+            "container a { container one {presence test;} leaf two {type string;} leaf-list three {type string;}"
+            "  list four {config false;} choice x { leaf five {type string;} case y {leaf six {type string;}}}"
+            "  anyxml seven; action eight {input {leaf eight-input {type string;}} output {leaf eight-output {type string;}}}"
+            "  notification nine {leaf nine-data {type string;}}}"
+            "leaf b {type string;} leaf-list c {type string;} list d {config false;}"
+            "choice x { case empty-x { choice empty-xc { case nothing;}} leaf e {type string;} case y {leaf f {type string;}}} anyxml g;"
+            "rpc h {input {leaf h-input {type string;}} output {leaf h-output {type string;}}}"
+            "rpc i;"
+            "notification j {leaf i-data {type string;}}"
+            "notification k;}", LYS_IN_YANG, &mod));
+    assert_non_null(node = lys_getnext(node, NULL, mod->compiled, 0));
+    assert_string_equal("a", node->name);
+    cont = (const struct lysc_node_container *)node;
+    assert_non_null(node = lys_getnext(node, NULL, mod->compiled, 0));
+    assert_string_equal("b", node->name);
+    assert_non_null(node = lys_getnext(node, NULL, mod->compiled, 0));
+    assert_string_equal("c", node->name);
+    assert_non_null(node = lys_getnext(node, NULL, mod->compiled, 0));
+    assert_string_equal("d", node->name);
+    assert_non_null(node = lys_getnext(node, NULL, mod->compiled, 0));
+    assert_string_equal("e", node->name);
+    assert_non_null(node = lys_getnext(node, NULL, mod->compiled, 0));
+    assert_string_equal("f", node->name);
+    assert_non_null(node = lys_getnext(node, NULL, mod->compiled, 0));
+    assert_string_equal("g", node->name);
+    assert_non_null(node = lys_getnext(node, NULL, mod->compiled, 0));
+    assert_string_equal("h", node->name);
+    rpc = (const struct lysc_action *)node;
+    assert_non_null(node = lys_getnext(node, NULL, mod->compiled, 0));
+    assert_string_equal("i", node->name);
+    assert_non_null(node = lys_getnext(node, NULL, mod->compiled, 0));
+    assert_string_equal("j", node->name);
+    assert_non_null(node = lys_getnext(node, NULL, mod->compiled, 0));
+    assert_string_equal("k", node->name);
+    assert_null(node = lys_getnext(node, NULL, mod->compiled, 0));
+    /* Inside container */
+    assert_non_null(node = lys_getnext(node, (const struct lysc_node *)cont, mod->compiled, 0));
+    assert_string_equal("one", node->name);
+    assert_non_null(node = lys_getnext(node, (const struct lysc_node *)cont, mod->compiled, 0));
+    assert_string_equal("two", node->name);
+    assert_non_null(node = lys_getnext(node, (const struct lysc_node *)cont, mod->compiled, 0));
+    assert_string_equal("three", node->name);
+    assert_non_null(node = four = lys_getnext(node, (const struct lysc_node *)cont, mod->compiled, 0));
+    assert_string_equal("four", node->name);
+    assert_non_null(node = lys_getnext(node, (const struct lysc_node *)cont, mod->compiled, 0));
+    assert_string_equal("five", node->name);
+    assert_non_null(node = lys_getnext(node, (const struct lysc_node *)cont, mod->compiled, 0));
+    assert_string_equal("six", node->name);
+    assert_non_null(node = lys_getnext(node, (const struct lysc_node *)cont, mod->compiled, 0));
+    assert_string_equal("seven", node->name);
+    assert_non_null(node = lys_getnext(node, (const struct lysc_node *)cont, mod->compiled, 0));
+    assert_string_equal("eight", node->name);
+    assert_non_null(node = lys_getnext(node, (const struct lysc_node *)cont, mod->compiled, 0));
+    assert_string_equal("nine", node->name);
+    assert_null(node = lys_getnext(node, (const struct lysc_node *)cont, mod->compiled, 0));
+    /* Inside RPC */
+    assert_non_null(node = lys_getnext(node, (const struct lysc_node *)rpc, mod->compiled, 0));
+    assert_string_equal("h-input", node->name);
+    assert_null(node = lys_getnext(node, (const struct lysc_node *)rpc, mod->compiled, 0));
+
+    /* options */
+    assert_non_null(node = lys_getnext(four, (const struct lysc_node *)cont, mod->compiled, LYS_GETNEXT_WITHCHOICE));
+    assert_string_equal("x", node->name);
+    assert_non_null(node = lys_getnext(node, (const struct lysc_node *)cont, mod->compiled, LYS_GETNEXT_WITHCHOICE));
+    assert_string_equal("seven", node->name);
+
+    assert_non_null(node = lys_getnext(four, (const struct lysc_node *)cont, mod->compiled, LYS_GETNEXT_NOCHOICE));
+    assert_string_equal("seven", node->name);
+
+    assert_non_null(node = lys_getnext(four, (const struct lysc_node *)cont, mod->compiled, LYS_GETNEXT_WITHCASE));
+    assert_string_equal("five", node->name);
+    assert_non_null(node = lys_getnext(node, (const struct lysc_node *)cont, mod->compiled, LYS_GETNEXT_WITHCASE));
+    assert_string_equal("y", node->name);
+    assert_non_null(node = lys_getnext(node, (const struct lysc_node *)cont, mod->compiled, LYS_GETNEXT_WITHCASE));
+    assert_string_equal("seven", node->name);
+
+    assert_non_null(node = lys_getnext(NULL, NULL, mod->compiled, LYS_GETNEXT_INTONPCONT));
+    assert_string_equal("one", node->name);
+
+    assert_non_null(node = lys_getnext(NULL, (const struct lysc_node *)rpc, mod->compiled, LYS_GETNEXT_OUTPUT));
+    assert_string_equal("h-output", node->name);
+    assert_null(node = lys_getnext(node, (const struct lysc_node *)rpc, mod->compiled, LYS_GETNEXT_OUTPUT));
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module c {namespace urn:c;prefix c; rpc c;}", LYS_IN_YANG, &mod));
+    assert_non_null(node = lys_getnext(NULL, NULL, mod->compiled, 0));
+    assert_string_equal("c", node->name);
+    assert_null(node = lys_getnext(node, NULL, mod->compiled, 0));
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module d {namespace urn:d;prefix d; notification d;}", LYS_IN_YANG, &mod));
+    assert_non_null(node = lys_getnext(NULL, NULL, mod->compiled, 0));
+    assert_string_equal("d", node->name);
+    assert_null(node = lys_getnext(node, NULL, mod->compiled, 0));
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module e {namespace urn:e;prefix e; container c {container cc;} leaf a {type string;}}", LYS_IN_YANG, &mod));
+    assert_non_null(node = lys_getnext(NULL, NULL, mod->compiled, 0));
+    assert_string_equal("c", node->name);
+    assert_non_null(node = lys_getnext(NULL, NULL, mod->compiled, LYS_GETNEXT_INTONPCONT));
+    assert_string_equal("a", node->name);
+}
+
+static void
+test_date(void **state)
+{
+    assert_int_equal(LY_EINVAL, lysp_check_date(NULL, NULL, 0, "date"));
+    CHECK_LOG("Invalid argument date (lysp_check_date()).", NULL);
+    assert_int_equal(LY_EINVAL, lysp_check_date(NULL, "x", 1, "date"));
+    CHECK_LOG("Invalid length 1 of a date.", NULL);
+    assert_int_equal(LY_EINVAL, lysp_check_date(NULL, "nonsencexx", 10, "date"));
+    CHECK_LOG("Invalid value \"nonsencexx\" of \"date\".", NULL);
+    assert_int_equal(LY_EINVAL, lysp_check_date(NULL, "123x-11-11", 10, "date"));
+    CHECK_LOG("Invalid value \"123x-11-11\" of \"date\".", NULL);
+    assert_int_equal(LY_EINVAL, lysp_check_date(NULL, "2018-13-11", 10, "date"));
+    CHECK_LOG("Invalid value \"2018-13-11\" of \"date\".", NULL);
+    assert_int_equal(LY_EINVAL, lysp_check_date(NULL, "2018-11-41", 10, "date"));
+    CHECK_LOG("Invalid value \"2018-11-41\" of \"date\".", NULL);
+    assert_int_equal(LY_EINVAL, lysp_check_date(NULL, "2018-02-29", 10, "date"));
+    CHECK_LOG("Invalid value \"2018-02-29\" of \"date\".", NULL);
+    assert_int_equal(LY_EINVAL, lysp_check_date(NULL, "2018.02-28", 10, "date"));
+    CHECK_LOG("Invalid value \"2018.02-28\" of \"date\".", NULL);
+    assert_int_equal(LY_EINVAL, lysp_check_date(NULL, "2018-02.28", 10, "date"));
+    CHECK_LOG("Invalid value \"2018-02.28\" of \"date\".", NULL);
+
+    assert_int_equal(LY_SUCCESS, lysp_check_date(NULL, "2018-11-11", 10, "date"));
+    assert_int_equal(LY_SUCCESS, lysp_check_date(NULL, "2018-02-28", 10, "date"));
+    assert_int_equal(LY_SUCCESS, lysp_check_date(NULL, "2016-02-29", 10, "date"));
+}
+
+static void
+test_revisions(void **state)
+{
+    struct lysp_revision *revs = NULL, *rev;
+
+    /* no error, it just does nothing */
+    lysp_sort_revisions(NULL);
+    CHECK_LOG(NULL, NULL);
+
+    /* revisions are stored in wrong order - the newest is the last */
+    LY_ARRAY_NEW_RET(NULL, revs, rev, );
+    strcpy(rev->date, "2018-01-01");
+    LY_ARRAY_NEW_RET(NULL, revs, rev, );
+    strcpy(rev->date, "2018-12-31");
+
+    assert_int_equal(2, LY_ARRAY_COUNT(revs));
+    assert_string_equal("2018-01-01", &revs[0]);
+    assert_string_equal("2018-12-31", &revs[1]);
+    /* the order should be fixed, so the newest revision will be the first in the array */
+    lysp_sort_revisions(revs);
+    assert_string_equal("2018-12-31", &revs[0]);
+    assert_string_equal("2018-01-01", &revs[1]);
+
+    LY_ARRAY_FREE(revs);
+}
+
+static void
+test_collision_typedef(void **state)
+{
+    const char *str;
+    char *submod;
+    struct module_clb_list list[3] = {0};
+
+    list[0].name = "asub";
+    list[1].name = "bsub";
+
+    /* collision with a built-in type */
+    str = "module a {namespace urn:a; prefix a; typedef binary {type string;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"binary\" of typedef statement - name collision with a built-in type.", NULL);
+    str = "module a {namespace urn:a; prefix a; typedef bits {type string;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"bits\" of typedef statement - name collision with a built-in type.", NULL);
+    str = "module a {namespace urn:a; prefix a; typedef boolean {type string;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"boolean\" of typedef statement - name collision with a built-in type.", NULL);
+    str = "module a {namespace urn:a; prefix a; typedef decimal64 {type string;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"decimal64\" of typedef statement - name collision with a built-in type.", NULL);
+    str = "module a {namespace urn:a; prefix a; typedef empty {type string;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"empty\" of typedef statement - name collision with a built-in type.", NULL);
+    str = "module a {namespace urn:a; prefix a; typedef enumeration {type string;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"enumeration\" of typedef statement - name collision with a built-in type.", NULL);
+    str = "module a {namespace urn:a; prefix a; typedef int8 {type string;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"int8\" of typedef statement - name collision with a built-in type.", NULL);
+    str = "module a {namespace urn:a; prefix a; typedef int16 {type string;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"int16\" of typedef statement - name collision with a built-in type.", NULL);
+    str = "module a {namespace urn:a; prefix a; typedef int32 {type string;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"int32\" of typedef statement - name collision with a built-in type.", NULL);
+    str = "module a {namespace urn:a; prefix a; typedef int64 {type string;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"int64\" of typedef statement - name collision with a built-in type.", NULL);
+    str = "module a {namespace urn:a; prefix a; typedef instance-identifier {type string;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"instance-identifier\" of typedef statement - name collision with a built-in type.", NULL);
+    str = "module a {namespace urn:a; prefix a; typedef identityref {type string;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"identityref\" of typedef statement - name collision with a built-in type.", NULL);
+    str = "module a {namespace urn:a; prefix a; typedef leafref {type string;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"leafref\" of typedef statement - name collision with a built-in type.", NULL);
+    str = "module a {namespace urn:a; prefix a; typedef string {type int8;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"string\" of typedef statement - name collision with a built-in type.", NULL);
+    str = "module a {namespace urn:a; prefix a; typedef union {type string;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"union\" of typedef statement - name collision with a built-in type.", NULL);
+    str = "module a {namespace urn:a; prefix a; typedef uint8 {type string;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"uint8\" of typedef statement - name collision with a built-in type.", NULL);
+    str = "module a {namespace urn:a; prefix a; typedef uint16 {type string;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"uint16\" of typedef statement - name collision with a built-in type.", NULL);
+    str = "module a {namespace urn:a; prefix a; typedef uint32 {type string;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"uint32\" of typedef statement - name collision with a built-in type.", NULL);
+    str = "module a {namespace urn:a; prefix a; typedef uint64 {type string;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"uint64\" of typedef statement - name collision with a built-in type.", NULL);
+
+    str = "module mytypes {namespace urn:types; prefix t; typedef binary_ {type string;} typedef bits_ {type string;} typedef boolean_ {type string;} "
+            "typedef decimal64_ {type string;} typedef empty_ {type string;} typedef enumeration_ {type string;} typedef int8_ {type string;} typedef int16_ {type string;}"
+            "typedef int32_ {type string;} typedef int64_ {type string;} typedef instance-identifier_ {type string;} typedef identityref_ {type string;}"
+            "typedef leafref_ {type string;} typedef string_ {type int8;} typedef union_ {type string;} typedef uint8_ {type string;} typedef uint16_ {type string;}"
+            "typedef uint32_ {type string;} typedef uint64_ {type string;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_SUCCESS);
+
+    /* collision in node's scope */
+    str = "module a {namespace urn:a; prefix a; container c {typedef y {type int8;} typedef y {type string;}}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"y\" of typedef statement - name collision with sibling type.", NULL);
+
+    /* collision with parent node */
+    str = "module a {namespace urn:a; prefix a; container c {container d {typedef y {type int8;}} typedef y {type string;}}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"y\" of typedef statement - name collision with another scoped type.", NULL);
+
+    /* collision with module's top-level */
+    str = "module a {namespace urn:a; prefix a; typedef x {type string;} container c {typedef x {type int8;}}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"x\" of typedef statement - scoped type collide with a top-level type.", NULL);
+
+    /* collision of submodule's node with module's top-level */
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "submodule b {belongs-to a {prefix a;} container c {typedef x {type string;}}}");
+    str = "module a {namespace urn:a; prefix a; include b; typedef x {type int8;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"x\" of typedef statement - scoped type collide with a top-level type.", NULL);
+
+    /* collision of module's node with submodule's top-level */
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "submodule b {belongs-to a {prefix a;} typedef x {type int8;}}");
+    str = "module a {namespace urn:a; prefix a; include b; container c {typedef x {type string;}}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"x\" of typedef statement - scoped type collide with a top-level type.", NULL);
+
+    /* collision of submodule's node with another submodule's top-level */
+    str = "module a {yang-version 1.1; namespace urn:a; prefix a; include asub; include bsub;}";
+    list[0].data = "submodule asub {belongs-to a {prefix a;} typedef g {type int;}}";
+    list[1].data = "submodule bsub {belongs-to a {prefix a;} container c {typedef g {type int;}}}";
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, module_clb, list);
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"g\" of typedef statement - scoped type collide with a top-level type.", NULL);
+
+    /* collision of module's top-levels */
+    str = "module a {namespace urn:a; prefix a; typedef test {type string;} typedef test {type int8;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"test\" of typedef statement - name collision with another top-level type.", NULL);
+
+    /* collision of submodule's top-levels */
+    submod = "submodule asub {belongs-to a {prefix a;} typedef g {type int;} typedef g {type int;}}";
+    str = "module a {yang-version 1.1; namespace urn:a; prefix a; include asub;}";
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, submod);
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"g\" of typedef statement - name collision with another top-level type.", NULL);
+
+    /* collision of module's top-level with submodule's top-levels */
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "submodule b {belongs-to a {prefix a;} typedef x {type string;}}");
+    str = "module a {namespace urn:a; prefix a; include b; typedef x {type int8;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"x\" of typedef statement - name collision with another top-level type.", NULL);
+
+    /* collision of submodule's top-level with another submodule's top-levels */
+    str = "module a {yang-version 1.1; namespace urn:a; prefix a; include asub; include bsub;}";
+    list[0].data = "submodule asub {belongs-to a {prefix a;} typedef g {type int;}}";
+    list[1].data = "submodule bsub {belongs-to a {prefix a;} typedef g {type int;}}";
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, module_clb, list);
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"g\" of typedef statement - name collision with another top-level type.", NULL);
+
+    /* error in type-stmt */
+    str = "module a {namespace urn:a; prefix a; container c {typedef x {type t{}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Unexpected end-of-input.", "Line number 1.");
+    UTEST_LOG_CLEAN;
+
+    /* no collision if the same names are in different scope */
+    str = "module a {yang-version 1.1; namespace urn:a; prefix a;"
+            "container c {typedef g {type int;}} container d {typedef g {type int;}}}";
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL));
+}
+
+static void
+test_collision_grouping(void **state)
+{
+    const char *str;
+    char *submod;
+    struct module_clb_list list[3] = {0};
+
+    list[0].name = "asub";
+    list[1].name = "bsub";
+
+    /* collision in node's scope */
+    str = "module a {namespace urn:a; prefix a; container c {grouping y; grouping y;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"y\" of grouping statement - name collision with sibling grouping.", NULL);
+
+    /* collision with parent node */
+    str = "module a {namespace urn:a; prefix a; container c {container d {grouping y;} grouping y;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"y\" of grouping statement - name collision with another scoped grouping.", NULL);
+
+    /* collision with module's top-level */
+    str = "module a {namespace urn:a; prefix a; grouping x; container c {grouping x;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"x\" of grouping statement - scoped grouping collide with a top-level grouping.", NULL);
+
+    /* collision of submodule's node with module's top-level */
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "submodule b {belongs-to a {prefix a;} container c {grouping x;}}");
+    str = "module a {namespace urn:a; prefix a; include b; grouping x;}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"x\" of grouping statement - scoped grouping collide with a top-level grouping.", NULL);
+
+    /* collision of module's node with submodule's top-level */
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "submodule b {belongs-to a {prefix a;} grouping x;}");
+    str = "module a {namespace urn:a; prefix a; include b; container c {grouping x;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"x\" of grouping statement - scoped grouping collide with a top-level grouping.", NULL);
+
+    /* collision of submodule's node with another submodule's top-level */
+    str = "module a {yang-version 1.1; namespace urn:a; prefix a; include asub; include bsub;}";
+    list[0].data = "submodule asub {belongs-to a {prefix a;} grouping g;}";
+    list[1].data = "submodule bsub {belongs-to a {prefix a;} container c {grouping g;}}";
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, module_clb, list);
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"g\" of grouping statement - scoped grouping collide with a top-level grouping.", NULL);
+
+    /* collision of module's top-levels */
+    str = "module a {namespace urn:a; prefix a; grouping test; grouping test;}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"test\" of grouping statement - name collision with another top-level grouping.", NULL);
+
+    /* collision of submodule's top-levels */
+    submod = "submodule asub {belongs-to a {prefix a;} grouping g; grouping g;}";
+    str = "module a {yang-version 1.1; namespace urn:a; prefix a; include asub;}";
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, submod);
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"g\" of grouping statement - name collision with another top-level grouping.", NULL);
+
+    /* collision of module's top-level with submodule's top-levels */
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "submodule b {belongs-to a {prefix a;} grouping x;}");
+    str = "module a {namespace urn:a; prefix a; include b; grouping x;}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"x\" of grouping statement - name collision with another top-level grouping.", NULL);
+
+    /* collision of submodule's top-level with another submodule's top-levels */
+    str = "module a {yang-version 1.1; namespace urn:a; prefix a; include asub; include bsub;}";
+    list[0].data = "submodule asub {belongs-to a {prefix a;} grouping g;}";
+    list[1].data = "submodule bsub {belongs-to a {prefix a;} grouping g;}";
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, module_clb, list);
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"g\" of grouping statement - name collision with another top-level grouping.", NULL);
+
+    /* collision in nested groupings, top-level */
+    str = "module a {namespace urn:a; prefix a; grouping g {grouping g;}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"g\" of grouping statement - scoped grouping collide with a top-level grouping.", NULL);
+
+    /* collision in nested groupings, in node */
+    str = "module a {namespace urn:a; prefix a; container c {grouping g {grouping g;}}}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"g\" of grouping statement - name collision with another scoped grouping.", NULL);
+
+    /* no collision if the same names are in different scope */
+    str = "module a {yang-version 1.1; namespace urn:a; prefix a;"
+            "container c {grouping g;} container d {grouping g;}}";
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL));
+}
+
+static void
+test_collision_identity(void **state)
+{
+    const char *str;
+    char *submod;
+    struct module_clb_list list[3] = {0};
+
+    list[0].name = "asub";
+    list[1].name = "bsub";
+
+    /* collision of module's top-levels */
+    str = "module a {yang-version 1.1; namespace urn:a; prefix a; identity g; identity g;}";
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"g\" of identity statement - name collision with another top-level identity.", NULL);
+
+    /* collision of submodule's top-levels */
+    submod = "submodule asub {belongs-to a {prefix a;} identity g; identity g;}";
+    str = "module a {yang-version 1.1; namespace urn:a; prefix a; include asub;}";
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, submod);
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"g\" of identity statement - name collision with another top-level identity.", NULL);
+
+    /* collision of module's top-level with submodule's top-levels */
+    submod = "submodule asub {belongs-to a {prefix a;} identity g;}";
+    str = "module a {yang-version 1.1; namespace urn:a; prefix a; include asub; identity g;}";
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, submod);
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"g\" of identity statement - name collision with another top-level identity.", NULL);
+
+    /* collision of submodule's top-level with another submodule's top-levels */
+    str = "module a {yang-version 1.1; namespace urn:a; prefix a; include asub; include bsub;}";
+    list[0].data = "submodule asub {belongs-to a {prefix a;} identity g;}";
+    list[1].data = "submodule bsub {belongs-to a {prefix a;} identity g;}";
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, module_clb, list);
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"g\" of identity statement - name collision with another top-level identity.", NULL);
+}
+
+static void
+test_collision_feature(void **state)
+{
+    const char *str;
+    char *submod;
+    struct module_clb_list list[3] = {0};
+
+    list[0].name = "asub";
+    list[1].name = "bsub";
+
+    /* collision of module's top-levels */
+    str = "module a {yang-version 1.1; namespace urn:a; prefix a; feature g; feature g;}";
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"g\" of feature statement - name collision with another top-level feature.", NULL);
+
+    /* collision of submodule's top-levels */
+    submod = "submodule asub {belongs-to a {prefix a;} feature g; feature g;}";
+    str = "module a {yang-version 1.1; namespace urn:a; prefix a; include asub;}";
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, submod);
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"g\" of feature statement - name collision with another top-level feature.", NULL);
+
+    /* collision of module's top-level with submodule's top-levels */
+    submod = "submodule asub {belongs-to a {prefix a;} feature g;}";
+    str = "module a {yang-version 1.1; namespace urn:a; prefix a; include asub; feature g;}";
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, submod);
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"g\" of feature statement - name collision with another top-level feature.", NULL);
+
+    /* collision of submodule's top-level with another submodule's top-levels */
+    str = "module a {yang-version 1.1; namespace urn:a; prefix a; include asub; include bsub;}";
+    list[0].data = "submodule asub {belongs-to a {prefix a;} feature g;}";
+    list[1].data = "submodule bsub {belongs-to a {prefix a;} feature g;}";
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, module_clb, list);
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Parsing module \"a\" failed.", NULL,
+            "Duplicate identifier \"g\" of feature statement - name collision with another top-level feature.", NULL);
+}
+
+static void
+test_accessible_tree(void **state)
+{
+    const char *str;
+
+    /* config -> config */
+    str = "module a {\n"
+            "    namespace urn:a;\n"
+            "    prefix a;\n"
+            "    container cont {\n"
+            "        leaf l {\n"
+            "            type empty;\n"
+            "        }\n"
+            "    }\n"
+            "    container cont2 {\n"
+            "        leaf l2 {\n"
+            "            must ../../cont/l;\n"
+            "            type leafref {\n"
+            "                path /cont/l;\n"
+            "            }\n"
+            "        }\n"
+            "    }\n"
+            "}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_SUCCESS);
+    CHECK_LOG_CTX(NULL, NULL);
+
+    /* config -> state leafref */
+    str = "module b {\n"
+            "    namespace urn:b;\n"
+            "    prefix b;\n"
+            "    container cont {\n"
+            "        config false;\n"
+            "        leaf l {\n"
+            "            type empty;\n"
+            "        }\n"
+            "    }\n"
+            "    container cont2 {\n"
+            "        leaf l2 {\n"
+            "            type leafref {\n"
+            "                path /cont/l;\n"
+            "            }\n"
+            "        }\n"
+            "    }\n"
+            "}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid leafref path \"/cont/l\" - target is supposed to represent configuration data"
+            " (as the leafref does), but it does not.", "Schema location \"/b:cont2/l2\".");
+
+    /* config -> state must */
+    str = "module b {\n"
+            "    namespace urn:b;\n"
+            "    prefix b;\n"
+            "    container cont {\n"
+            "        config false;\n"
+            "        leaf l {\n"
+            "            type empty;\n"
+            "        }\n"
+            "    }\n"
+            "    container cont2 {\n"
+            "        leaf l2 {\n"
+            "            must ../../cont/l;\n"
+            "            type empty;\n"
+            "        }\n"
+            "    }\n"
+            "}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_SUCCESS);
+    CHECK_LOG_CTX("Schema node \"cont\" for parent \"<config-root>\" not found; in expr \"../../cont\" "
+            "with context node \"/b:cont2/l2\".", NULL);
+
+    /* state -> config */
+    str = "module c {\n"
+            "    namespace urn:c;\n"
+            "    prefix c;\n"
+            "    container cont {\n"
+            "        leaf l {\n"
+            "            type empty;\n"
+            "        }\n"
+            "    }\n"
+            "    container cont2 {\n"
+            "        config false;\n"
+            "        leaf l2 {\n"
+            "            must ../../cont/l;\n"
+            "            type leafref {\n"
+            "                path /cont/l;\n"
+            "            }\n"
+            "        }\n"
+            "    }\n"
+            "}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_SUCCESS);
+    CHECK_LOG_CTX(NULL, NULL);
+
+    /* notif -> state */
+    str = "module d {\n"
+            "    namespace urn:d;\n"
+            "    prefix d;\n"
+            "    container cont {\n"
+            "        config false;\n"
+            "        leaf l {\n"
+            "            type empty;\n"
+            "        }\n"
+            "    }\n"
+            "    notification notif {\n"
+            "        leaf l2 {\n"
+            "            must ../../cont/l;\n"
+            "            type leafref {\n"
+            "                path /cont/l;\n"
+            "            }\n"
+            "        }\n"
+            "    }\n"
+            "}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_SUCCESS);
+    CHECK_LOG_CTX(NULL, NULL);
+
+    /* notif -> notif */
+    str = "module e {\n"
+            "    namespace urn:e;\n"
+            "    prefix e;\n"
+            "    notification notif {\n"
+            "        leaf l {\n"
+            "            type empty;\n"
+            "        }\n"
+            "        leaf l2 {\n"
+            "            must ../../notif/l;\n"
+            "            type leafref {\n"
+            "                path /notif/l;\n"
+            "            }\n"
+            "        }\n"
+            "    }\n"
+            "}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_SUCCESS);
+    CHECK_LOG_CTX(NULL, NULL);
+
+    /* rpc input -> state */
+    str = "module f {\n"
+            "    namespace urn:f;\n"
+            "    prefix f;\n"
+            "    container cont {\n"
+            "        config false;\n"
+            "        leaf l {\n"
+            "            type empty;\n"
+            "        }\n"
+            "    }\n"
+            "    rpc rp {\n"
+            "        input {\n"
+            "            leaf l2 {\n"
+            "                must ../../cont/l;\n"
+            "                type leafref {\n"
+            "                    path /cont/l;\n"
+            "                }\n"
+            "            }\n"
+            "        }\n"
+            "    }\n"
+            "}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_SUCCESS);
+    CHECK_LOG_CTX(NULL, NULL);
+
+    /* rpc input -> rpc input */
+    str = "module g {\n"
+            "    namespace urn:g;\n"
+            "    prefix g;\n"
+            "    rpc rp {\n"
+            "        input {\n"
+            "            leaf l {\n"
+            "                type empty;\n"
+            "            }\n"
+            "            leaf l2 {\n"
+            "                must ../l;\n"
+            "                type leafref {\n"
+            "                    path /rp/l;\n"
+            "                }\n"
+            "            }\n"
+            "        }\n"
+            "    }\n"
+            "}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_SUCCESS);
+    CHECK_LOG_CTX(NULL, NULL);
+
+    /* rpc input -> rpc output leafref */
+    str = "module h {\n"
+            "    namespace urn:h;\n"
+            "    prefix h;\n"
+            "    rpc rp {\n"
+            "        input {\n"
+            "            leaf l2 {\n"
+            "                type leafref {\n"
+            "                    path /rp/l;\n"
+            "                }\n"
+            "            }\n"
+            "        }\n"
+            "        output {\n"
+            "            leaf l {\n"
+            "                type empty;\n"
+            "            }\n"
+            "        }\n"
+            "    }\n"
+            "}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Not found node \"l\" in path.", "Schema location \"/h:rp/input/l2\".");
+
+    /* rpc input -> rpc output must */
+    str = "module h {\n"
+            "    namespace urn:h;\n"
+            "    prefix h;\n"
+            "    rpc rp {\n"
+            "        input {\n"
+            "            leaf l2 {\n"
+            "                must ../l;\n"
+            "                type empty;\n"
+            "            }\n"
+            "        }\n"
+            "        output {\n"
+            "            leaf l {\n"
+            "                type empty;\n"
+            "            }\n"
+            "        }\n"
+            "    }\n"
+            "}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_SUCCESS);
+    CHECK_LOG_CTX("Schema node \"l\" for parent \"/h:rp\" not found; in expr \"../l\" with context node \"/h:rp/input/l2\".", NULL);
+
+    /* rpc input -> notif leafref */
+    str = "module i {\n"
+            "    namespace urn:i;\n"
+            "    prefix i;\n"
+            "    rpc rp {\n"
+            "        input {\n"
+            "            leaf l2 {\n"
+            "                type leafref {\n"
+            "                    path ../../notif/l;\n"
+            "                }\n"
+            "            }\n"
+            "        }\n"
+            "    }\n"
+            "    notification notif {\n"
+            "        leaf l {\n"
+            "            type empty;\n"
+            "        }\n"
+            "    }\n"
+            "}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Not found node \"notif\" in path.", "Schema location \"/i:rp/input/l2\".");
+
+    /* rpc input -> notif must */
+    str = "module i {\n"
+            "    namespace urn:i;\n"
+            "    prefix i;\n"
+            "    rpc rp {\n"
+            "        input {\n"
+            "            leaf l2 {\n"
+            "                must /notif/l;\n"
+            "                type empty;\n"
+            "            }\n"
+            "        }\n"
+            "    }\n"
+            "    notification notif {\n"
+            "        leaf l {\n"
+            "            type empty;\n"
+            "        }\n"
+            "    }\n"
+            "}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_SUCCESS);
+    CHECK_LOG_CTX("Schema node \"notif\" for parent \"<root>\" not found; in expr \"/notif\" "
+            "with context node \"/i:rp/input/l2\".", NULL);
+
+    /* action output -> state */
+    str = "module j {\n"
+            "    yang-version 1.1;\n"
+            "    namespace urn:j;\n"
+            "    prefix j;\n"
+            "    container cont {\n"
+            "        list ll {\n"
+            "            key k;\n"
+            "            leaf k {\n"
+            "                type string;\n"
+            "            }\n"
+            "            action act {\n"
+            "                output {\n"
+            "                    leaf l2 {\n"
+            "                        must /cont/l;\n"
+            "                        type leafref {\n"
+            "                            path ../../../l;\n"
+            "                        }\n"
+            "                    }\n"
+            "                }\n"
+            "            }\n"
+            "        }\n"
+            "        leaf l {\n"
+            "            config false;\n"
+            "            type empty;\n"
+            "        }\n"
+            "    }\n"
+            "}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_SUCCESS);
+    CHECK_LOG_CTX(NULL, NULL);
+
+    /* action output -> action input leafref */
+    str = "module k {\n"
+            "    yang-version 1.1;\n"
+            "    namespace urn:k;\n"
+            "    prefix k;\n"
+            "    container cont {\n"
+            "        list ll {\n"
+            "            key k;\n"
+            "            leaf k {\n"
+            "                type string;\n"
+            "            }\n"
+            "            action act {\n"
+            "                input {\n"
+            "                    leaf l {\n"
+            "                        type empty;\n"
+            "                    }\n"
+            "                }\n"
+            "                output {\n"
+            "                    leaf l2 {\n"
+            "                        type leafref {\n"
+            "                            path ../l;\n"
+            "                        }\n"
+            "                    }\n"
+            "                }\n"
+            "            }\n"
+            "        }\n"
+            "    }\n"
+            "}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Not found node \"l\" in path.", "Schema location \"/k:cont/ll/act/output/l2\".");
+
+    /* action output -> action input must */
+    str = "module k {\n"
+            "    yang-version 1.1;\n"
+            "    namespace urn:k;\n"
+            "    prefix k;\n"
+            "    container cont {\n"
+            "        list ll {\n"
+            "            key k;\n"
+            "            leaf k {\n"
+            "                type string;\n"
+            "            }\n"
+            "            action act {\n"
+            "                input {\n"
+            "                    leaf l {\n"
+            "                        type empty;\n"
+            "                    }\n"
+            "                }\n"
+            "                output {\n"
+            "                    leaf l2 {\n"
+            "                        must /cont/ll/act/l;\n"
+            "                        type empty;\n"
+            "                    }\n"
+            "                }\n"
+            "            }\n"
+            "        }\n"
+            "    }\n"
+            "}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_SUCCESS);
+    CHECK_LOG_CTX("Schema node \"l\" for parent \"/k:cont/ll/act\" not found; in expr \"/cont/ll/act/l\" "
+            "with context node \"/k:cont/ll/act/output/l2\".", NULL);
+}
+
+static void
+test_includes(void **state)
+{
+    struct lys_module *mod;
+
+    {
+        /* YANG 1.0 - the missing include sub_a_two in main_a will be injected from sub_a_one */
+        struct module_clb_list list[] = {
+            {"main_a", "module main_a { namespace urn:test:main_a; prefix ma; include sub_a_one;}"},
+            {"sub_a_one", "submodule sub_a_one { belongs-to main_a { prefix ma; } include sub_a_two;}"},
+            {"sub_a_two", "submodule sub_a_two { belongs-to main_a { prefix ma; } }"},
+            {NULL, NULL}
+        };
+
+        ly_ctx_set_module_imp_clb(UTEST_LYCTX, module_clb, list);
+        mod = ly_ctx_load_module(UTEST_LYCTX, "main_a", NULL, NULL);
+        assert_non_null(mod);
+        assert_int_equal(2, LY_ARRAY_COUNT(mod->parsed->includes));
+        assert_true(mod->parsed->includes[1].injected);
+    }
+
+    {
+        /* YANG 1.1 - the missing include sub_b_two in main_b is error */
+        struct module_clb_list list[] = {
+            {"main_b", "module main_b { yang-version 1.1; namespace urn:test:main_b; prefix mb; include sub_b_one;}"},
+            {"sub_b_one", "submodule sub_b_one { yang-version 1.1; belongs-to main_b { prefix mb; } include sub_b_two;}"},
+            {"sub_b_two", "submodule sub_b_two { yang-version 1.1; belongs-to main_b { prefix mb; } }"},
+            {NULL, NULL}
+        };
+
+        ly_ctx_set_module_imp_clb(UTEST_LYCTX, module_clb, list);
+        mod = ly_ctx_load_module(UTEST_LYCTX, "main_b", NULL, NULL);
+        assert_null(mod);
+        CHECK_LOG_CTX("Loading \"main_b\" module failed.", NULL,
+                "Data model \"main_b\" not found in local searchdirs.", NULL,
+                "Parsing module \"main_b\" failed.", NULL,
+                "Including \"sub_b_one\" submodule into \"main_b\" failed.", NULL,
+                "Data model \"sub_b_one\" not found in local searchdirs.", NULL,
+                "Parsing submodule \"sub_b_one\" failed.", NULL,
+                "YANG 1.1 requires all submodules to be included from main module. But submodule \"sub_b_one\" includes "
+                "submodule \"sub_b_two\" which is not included by main module \"main_b\".", NULL,
+                "YANG version 1.1 expects all includes in main module, includes in submodules (sub_b_one) are not necessary.", NULL);
+    }
+
+    {
+        /* YANG 1.1 - all includes are in main_c, includes in submodules are not necessary, so expect warning */
+        struct module_clb_list list[] = {
+            {"main_c", "module main_c { yang-version 1.1; namespace urn:test:main_c; prefix mc; include sub_c_one; include sub_c_two;}"},
+            {"sub_c_one", "submodule sub_c_one { yang-version 1.1; belongs-to main_c { prefix mc; } include sub_c_two;}"},
+            {"sub_c_two", "submodule sub_c_two { yang-version 1.1; belongs-to main_c { prefix mc; } include sub_c_one;}"},
+            {NULL, NULL}
+        };
+
+        ly_ctx_set_module_imp_clb(UTEST_LYCTX, module_clb, list);
+        mod = ly_ctx_load_module(UTEST_LYCTX, "main_c", NULL, NULL);
+        assert_non_null(mod);
+        assert_int_equal(2, LY_ARRAY_COUNT(mod->parsed->includes));
+        assert_false(mod->parsed->includes[1].injected);
+        /* result is ok, but log includes the warning */
+        CHECK_LOG_CTX("YANG version 1.1 expects all includes in main module, includes in submodules (sub_c_two) are not necessary.", NULL);
+    }
+}
+
+static void
+test_key_order(void **state)
+{
+    struct lys_module *mod;
+    const struct lysc_node *node;
+
+    struct module_clb_list list1[] = {
+        {"a", "module a {"
+            "yang-version 1.1;"
+            "namespace urn:test:a;"
+            "prefix a;"
+            "list l {"
+            "  key \"k1 k2\";"
+            "  leaf k2 {type string;}"
+            "  leaf k1 {type string;}"
+            "}"
+            "}"},
+        {NULL, NULL}
+    };
+
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, module_clb, list1);
+    mod = ly_ctx_load_module(UTEST_LYCTX, "a", NULL, NULL);
+    assert_non_null(mod);
+
+    node = lysc_node_child(mod->compiled->data);
+    assert_string_equal("k1", node->name);
+    node = node->next;
+    assert_string_equal("k2", node->name);
+
+    struct module_clb_list list2[] = {
+        {"b", "module b {"
+            "yang-version 1.1;"
+            "namespace urn:test:b;"
+            "prefix b;"
+            "list l {"
+            "  key \"k1 k2 k3 k4\";"
+            "  leaf k4 {type string;}"
+            "  container c {"
+            "    leaf l1 {type string;}"
+            "  }"
+            "  leaf k2 {type string;}"
+            "  leaf l2 {type string;}"
+            "  leaf k1 {type string;}"
+            "  leaf k3 {type string;}"
+            "}"
+            "}"},
+        {NULL, NULL}
+    };
+
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, module_clb, list2);
+    mod = ly_ctx_load_module(UTEST_LYCTX, "b", NULL, NULL);
+    assert_non_null(mod);
+
+    node = lysc_node_child(mod->compiled->data);
+    assert_string_equal("k1", node->name);
+    node = node->next;
+    assert_string_equal("k2", node->name);
+    node = node->next;
+    assert_string_equal("k3", node->name);
+    node = node->next;
+    assert_string_equal("k4", node->name);
+}
+
+static void
+test_disabled_enum(void **state)
+{
+    const char *str;
+
+    /* no enabled enum */
+    str = "module a {"
+            "yang-version 1.1;"
+            "namespace urn:test:a;"
+            "prefix a;"
+            "feature f;"
+            "leaf l {type enumeration {"
+            "  enum e1 {if-feature f;}"
+            "  enum e2 {if-feature f;}"
+            "}}"
+            "}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Enumeration type of node \"l\" without any (or all disabled) valid values.", "Schema location \"/a:l\".");
+
+    /* disabled default value */
+    str = "module a {"
+            "yang-version 1.1;"
+            "namespace urn:test:a;"
+            "prefix a;"
+            "feature f;"
+            "leaf l {"
+            "  type enumeration {"
+            "    enum e1 {if-feature f;}"
+            "    enum e2;"
+            "  }"
+            "  default e1;"
+            "}"
+            "}";
+    assert_int_equal(lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid default - value does not fit the type (Invalid enumeration value \"e1\".).",
+            "Schema location \"/a:l\".");
+}
+
+static void
+test_identity(void **state)
+{
+    struct lys_module *mod, *mod_imp;
+
+    /*
+     * parsing YANG
+     */
+    TEST_STMT_DUP(1, 0, "identity id", "description", "a", "b", "1");
+    TEST_STMT_DUP(1, 0, "identity id", "reference", "a", "b", "1");
+    TEST_STMT_DUP(1, 0, "identity id", "status", "current", "obsolete", "1");
+
+    /* full content */
+    TEST_SCHEMA_OK(1, 0, "identityone",
+            "identity test {base \"a\";base b; description text;reference \'another text\';status current; if-feature x;if-feature y; identityone:ext;}"
+            "identity a; identity b; extension ext; feature x; feature y;", mod);
+    assert_non_null(mod->parsed->identities);
+    assert_int_equal(3, LY_ARRAY_COUNT(mod->parsed->identities));
+
+    /* invalid substatement */
+    TEST_STMT_SUBSTM_ERR(0, "identity", "organization", "XXX");
+
+    /*
+     * parsing YIN
+     */
+    /* max subelems */
+    TEST_SCHEMA_OK(1, 1, "identityone-yin", "<identity name=\"ident-name\">"
+            "<if-feature name=\"iff\"/>"
+            "<base name=\"base-name\"/>"
+            "<status value=\"deprecated\"/>"
+            "<description><text>desc</text></description>"
+            "<reference><text>ref</text></reference>"
+            /* TODO yin-extension-prefix-compilation-bug "<myext:ext xmlns:myext=\"urn:libyang:test:identityone-yin\"/>" */
+            "</identity><extension name=\"ext\"/><identity name=\"base-name\"/><feature name=\"iff\"/>", mod);
+    assert_int_equal(2, LY_ARRAY_COUNT(mod->parsed->identities));
+    assert_string_equal(mod->parsed->identities[0].name, "ident-name");
+    assert_string_equal(mod->parsed->identities[0].bases[0], "base-name");
+    assert_string_equal(mod->parsed->identities[0].iffeatures[0].str, "iff");
+    assert_string_equal(mod->parsed->identities[0].dsc, "desc");
+    assert_string_equal(mod->parsed->identities[0].ref, "ref");
+    assert_true(mod->parsed->identities[0].flags & LYS_STATUS_DEPRC);
+    /*assert_string_equal(mod->parsed->identities[0].exts[0].name, "ext");
+    assert_non_null(mod->parsed->identities[0].exts[0].compiled);
+    assert_int_equal(mod->parsed->identities[0].exts[0].yin, 1);
+    assert_int_equal(mod->parsed->identities[0].exts[0].insubstmt_index, 0);
+    assert_int_equal(mod->parsed->identities[0].exts[0].insubstmt, LYEXT_SUBSTMT_SELF);*/
+
+    /* min subelems */
+    TEST_SCHEMA_OK(1, 1, "identitytwo-yin", "<identity name=\"ident-name\" />", mod);
+    assert_int_equal(1, LY_ARRAY_COUNT(mod->parsed->identities));
+    assert_string_equal(mod->parsed->identities[0].name, "ident-name");
+
+    /* invalid substatement */
+    TEST_SCHEMA_PARSE_ERR(0, 1, "inv", "<identity name=\"ident-name\"><if-feature name=\"iff\"/></identity>",
+            "Invalid sub-elemnt \"if-feature\" of \"identity\" element - "
+            "this sub-element is allowed only in modules with version 1.1 or newer.", "Line number 1.");
+
+    /*
+     * compiling
+     */
+    TEST_SCHEMA_OK(0, 0, "a", "identity a1;", mod_imp);
+    TEST_SCHEMA_OK(1, 0, "b", "import a {prefix a;}"
+            "identity b1; identity b2; identity b3 {base b1; base b:b2; base a:a1;}"
+            "identity b4 {base b:b1; base b3;}", mod);
+    assert_non_null(mod_imp->compiled);
+    assert_non_null(mod_imp->identities);
+    assert_non_null(mod->identities);
+    assert_non_null(mod_imp->identities[0].derived);
+    assert_int_equal(1, LY_ARRAY_COUNT(mod_imp->identities[0].derived));
+    assert_ptr_equal(mod_imp->identities[0].derived[0], &mod->identities[2]);
+    assert_non_null(mod->identities[0].derived);
+    assert_int_equal(2, LY_ARRAY_COUNT(mod->identities[0].derived));
+    assert_ptr_equal(mod->identities[0].derived[0], &mod->identities[2]);
+    assert_ptr_equal(mod->identities[0].derived[1], &mod->identities[3]);
+    assert_non_null(mod->identities[1].derived);
+    assert_int_equal(1, LY_ARRAY_COUNT(mod->identities[1].derived));
+    assert_ptr_equal(mod->identities[1].derived[0], &mod->identities[2]);
+    assert_non_null(mod->identities[2].derived);
+    assert_int_equal(1, LY_ARRAY_COUNT(mod->identities[2].derived));
+    assert_ptr_equal(mod->identities[2].derived[0], &mod->identities[3]);
+
+    TEST_SCHEMA_OK(1, 0, "c", "identity c2 {base c1;} identity c1;", mod);
+    assert_int_equal(1, LY_ARRAY_COUNT(mod->identities[1].derived));
+    assert_ptr_equal(mod->identities[1].derived[0], &mod->identities[0]);
+
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "submodule inv_sub {belongs-to inv {prefix inv;} identity i1;}");
+    TEST_SCHEMA_ERR(0, 0, "inv", "identity i1 {base i2;}", "Unable to find base (i2) of identity \"i1\".", "/inv:{identity='i1'}");
+    TEST_SCHEMA_ERR(0, 0, "inv", "identity i1 {base i1;}", "Identity \"i1\" is derived from itself.", "/inv:{identity='i1'}");
+    TEST_SCHEMA_ERR(0, 0, "inv", "identity i1 {base i2;}identity i2 {base i3;}identity i3 {base i1;}",
+            "Identity \"i1\" is indirectly derived from itself.", "/inv:{identity='i3'}");
+
+    /* base in non-implemented module */
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb,
+            "module base {namespace \"urn\"; prefix b; identity i1; identity i2 {base i1;}}");
+    TEST_SCHEMA_OK(0, 0, "ident", "import base {prefix b;} identity ii {base b:i1;}", mod);
+
+    /* default value from non-implemented module */
+    TEST_SCHEMA_ERR(0, 0, "ident2", "import base {prefix b;} leaf l {type identityref {base b:i1;} default b:i2;}",
+            "Invalid default - value does not fit the type (Invalid identityref \"b:i2\" value"
+            " - identity found in non-implemented module \"base\".).", "Schema location \"/ident2:l\".");
+
+    /* default value in typedef from non-implemented module */
+    TEST_SCHEMA_ERR(0, 0, "ident2", "import base {prefix b;} typedef t1 {type identityref {base b:i1;} default b:i2;}"
+            "leaf l {type t1;}", "Invalid default - value does not fit the type (Invalid"
+            " identityref \"b:i2\" value - identity found in non-implemented module \"base\".).", "Schema location \"/ident2:l\".");
+
+    /*
+     * printing
+     */
+
+    /*
+     * cleanup
+     */
+}
+
+static void
+test_feature(void **state)
+{
+    struct lys_module *mod;
+    const struct lysp_feature *f;
+
+    /*
+     * parsing YANG
+     */
+
+    TEST_STMT_DUP(1, 0, "feature f", "description", "a", "b", "1");
+    TEST_STMT_DUP(1, 0, "feature f", "reference", "a", "b", "1");
+    TEST_STMT_DUP(1, 0, "feature f", "status", "current", "obsolete", "1");
+
+    /* full content */
+    TEST_SCHEMA_OK(1, 0, "featureone",
+            "feature test {description text;reference \'another text\';status current; if-feature x; if-feature y; featureone:ext;}"
+            "extension ext; feature x; feature y;", mod);
+    assert_non_null(mod->parsed->features);
+    assert_int_equal(3, LY_ARRAY_COUNT(mod->parsed->features));
+
+    /* invalid substatement */
+    TEST_STMT_SUBSTM_ERR(0, "feature", "organization", "XXX");
+
+    /*
+     * parsing YIN
+     */
+    /* max subelems */
+    TEST_SCHEMA_OK(0, 1, "featureone-yin", "<feature name=\"feature-name\">"
+            "<if-feature name=\"iff\"/>"
+            "<status value=\"deprecated\"/>"
+            "<description><text>desc</text></description>"
+            "<reference><text>ref</text></reference>"
+            /* TODO yin-extension-prefix-compilation-bug "<myext:ext xmlns:myext=\"urn:libyang:test:featureone-yin\"/>" */
+            "</feature><extension name=\"ext\"/><feature name=\"iff\"/>", mod);
+    assert_int_equal(2, LY_ARRAY_COUNT(mod->parsed->features));
+    assert_string_equal(mod->parsed->features[0].name, "feature-name");
+    assert_string_equal(mod->parsed->features[0].dsc, "desc");
+    assert_true(mod->parsed->features[0].flags & LYS_STATUS_DEPRC);
+    assert_string_equal(mod->parsed->features[0].iffeatures[0].str, "iff");
+    assert_string_equal(mod->parsed->features[0].ref, "ref");
+    /*assert_string_equal(mod->parsed->features[0].exts[0].name, "ext");
+    assert_int_equal(mod->parsed->features[0].exts[0].insubstmt_index, 0);
+    assert_int_equal(mod->parsed->features[0].exts[0].insubstmt, LYEXT_SUBSTMT_SELF);*/
+
+    /* min subelems */
+    TEST_SCHEMA_OK(0, 1, "featuretwo-yin", "<feature name=\"feature-name\"/>", mod)
+    assert_int_equal(1, LY_ARRAY_COUNT(mod->parsed->features));
+    assert_string_equal(mod->parsed->features[0].name, "feature-name");
+
+    /* invalid substatement */
+    TEST_SCHEMA_PARSE_ERR(0, 1, "inv", "<feature name=\"feature-name\"><organization><text>org</text></organization></feature>",
+            "Unexpected sub-element \"organization\" of \"feature\" element.", "Line number 1.");
+
+    /*
+     * compiling
+     */
+
+    TEST_SCHEMA_OK(1, 0, "a", "feature f1 {description test1;reference test2;status current;} feature f2; feature f3;\n"
+            "feature orfeature {if-feature \"f1 or f2\";}\n"
+            "feature andfeature {if-feature \"f1 and f2\";}\n"
+            "feature f6 {if-feature \"not f1\";}\n"
+            "feature f7 {if-feature \"(f2 and f3) or (not f1)\";}\n"
+            "feature f8 {if-feature \"f1 or f2 or f3 or orfeature or andfeature\";}\n"
+            "feature f9 {if-feature \"not not f1\";}", mod);
+    assert_non_null(mod->parsed->features);
+    assert_int_equal(9, LY_ARRAY_COUNT(mod->parsed->features));
+
+    /* all features are disabled by default */
+    LY_ARRAY_FOR(mod->parsed->features, struct lysp_feature, f) {
+        assert_false(f->flags & LYS_FENABLED);
+    }
+
+    /* some invalid expressions */
+    TEST_SCHEMA_PARSE_ERR(1, 0, "inv", "feature f{if-feature f1;}",
+            "Invalid value \"f1\" of if-feature - unable to find feature \"f1\".", NULL);
+    TEST_SCHEMA_PARSE_ERR(1, 0, "inv", "feature f1; feature f2{if-feature 'f and';}",
+            "Invalid value \"f and\" of if-feature - unexpected end of expression.", NULL);
+    TEST_SCHEMA_PARSE_ERR(1, 0, "inv", "feature f{if-feature 'or';}",
+            "Invalid value \"or\" of if-feature - unexpected end of expression.", NULL);
+    TEST_SCHEMA_PARSE_ERR(1, 0, "inv", "feature f1; feature f2{if-feature '(f1';}",
+            "Invalid value \"(f1\" of if-feature - non-matching opening and closing parentheses.", NULL);
+    TEST_SCHEMA_PARSE_ERR(1, 0, "inv", "feature f1; feature f2{if-feature 'f1)';}",
+            "Invalid value \"f1)\" of if-feature - non-matching opening and closing parentheses.", NULL);
+    TEST_SCHEMA_PARSE_ERR(1, 0, "inv", "feature f1; feature f2{if-feature ---;}",
+            "Invalid value \"---\" of if-feature - unable to find feature \"---\".", NULL);
+    TEST_SCHEMA_PARSE_ERR(0, 0, "inv", "feature f1; feature f2{if-feature 'not f1';}",
+            "Invalid value \"not f1\" of if-feature - YANG 1.1 expression in YANG 1.0 module.", NULL);
+
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "submodule inv_sub {belongs-to inv {prefix inv;} feature f1;}");
+    TEST_SCHEMA_PARSE_ERR(0, 0, "inv", "feature f1 {if-feature f2;} feature f2 {if-feature f1;}",
+            "Feature \"f1\" is indirectly referenced from itself.", NULL);
+    TEST_SCHEMA_PARSE_ERR(0, 0, "inv", "feature f1 {if-feature f1;}",
+            "Feature \"f1\" is referenced from itself.", NULL);
+    TEST_SCHEMA_PARSE_ERR(1, 0, "inv", "feature f {if-feature ();}",
+            "Invalid value \"()\" of if-feature - number of features in expression does not match the required number of operands for the operations.", NULL);
+    TEST_SCHEMA_PARSE_ERR(1, 0, "inv", "feature f1; feature f {if-feature 'f1(';}",
+            "Invalid value \"f1(\" of if-feature - non-matching opening and closing parentheses.", NULL);
+    TEST_SCHEMA_PARSE_ERR(1, 0, "inv", "feature f1; feature f {if-feature 'and f1';}",
+            "Invalid value \"and f1\" of if-feature - missing feature/expression before \"and\" operation.", NULL);
+    TEST_SCHEMA_PARSE_ERR(1, 0, "inv", "feature f1; feature f {if-feature 'f1 not ';}",
+            "Invalid value \"f1 not \" of if-feature - unexpected end of expression.", NULL);
+    TEST_SCHEMA_PARSE_ERR(1, 0, "inv", "feature f1; feature f {if-feature 'f1 not not ';}",
+            "Invalid value \"f1 not not \" of if-feature - unexpected end of expression.", NULL);
+    TEST_SCHEMA_PARSE_ERR(1, 0, "inv", "feature f1; feature f2; feature f {if-feature 'or f1 f2';}",
+            "Invalid value \"or f1 f2\" of if-feature - missing feature/expression before \"or\" operation.", NULL);
+
+    /*
+     * printing
+     */
+
+    /*
+     * cleanup
+     */
+}
+
+static void
+test_extension_argument(void **state)
+{
+    struct lys_module *mod;
+    const char *mod_def_yang = "module a {\n"
+            "  namespace \"urn:a\";\n"
+            "  prefix a;\n\n"
+            "  extension e {\n"
+            "    argument name;\n"
+            "  }\n\n"
+            "  a:e \"aaa\";\n"
+            "}\n";
+    const char *mod_def_yin =
+            "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+            "<module name=\"a\"\n"
+            "        xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"\n"
+            "        xmlns:a=\"urn:a\">\n"
+            "  <namespace uri=\"urn:a\"/>\n"
+            "  <prefix value=\"a\"/>\n"
+            "  <extension name=\"e\">\n"
+            "    <argument name=\"name\"/>\n"
+            "  </extension>\n"
+            "  <a:e name=\"aaa\"/>\n"
+            "</module>\n";
+    const char *mod_test_yin, *mod_test_yang;
+    char *printed;
+
+    mod_test_yang = "module b {\n"
+            "  namespace \"urn:b\";\n"
+            "  prefix b;\n\n"
+            "  import a {\n"
+            "    prefix a;\n"
+            "  }\n\n"
+            "  a:e \"xxx\";\n"
+            "}\n";
+    mod_test_yin =
+            "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+            "<module name=\"b\"\n"
+            "        xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"\n"
+            "        xmlns:b=\"urn:b\"\n"
+            "        xmlns:a=\"urn:a\">\n"
+            "  <namespace uri=\"urn:b\"/>\n"
+            "  <prefix value=\"b\"/>\n"
+            "  <import module=\"a\">\n"
+            "    <prefix value=\"a\"/>\n"
+            "  </import>\n"
+            "  <a:e name=\"xxx\"/>\n"
+            "</module>\n";
+
+    /* from YANG */
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, (void *)mod_def_yang);
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, mod_test_yang, LYS_IN_YANG, &mod));
+    assert_int_equal(LY_SUCCESS, lys_print_mem(&printed, mod, LYS_OUT_YANG, 0));
+    assert_string_equal(printed, mod_test_yang);
+    free(printed);
+
+    assert_int_equal(LY_SUCCESS, lys_print_mem(&printed, mod, LYS_OUT_YIN, 0));
+    assert_string_equal(printed, mod_test_yin);
+    free(printed);
+
+    assert_non_null(mod = ly_ctx_get_module(UTEST_LYCTX, "a", NULL));
+    assert_int_equal(LY_SUCCESS, lys_print_mem(&printed, mod, LYS_OUT_YANG, 0));
+    assert_string_equal(printed, mod_def_yang);
+    free(printed);
+
+    assert_int_equal(LY_SUCCESS, lys_print_mem(&printed, mod, LYS_OUT_YIN, 0));
+    assert_string_equal(printed, mod_def_yin);
+    free(printed);
+
+    /* context reset */
+    ly_ctx_destroy(UTEST_LYCTX);
+    ly_ctx_new(NULL, 0, &UTEST_LYCTX);
+
+    /* from YIN */
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, (void *)mod_def_yin);
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, mod_test_yin, LYS_IN_YIN, &mod));
+    assert_int_equal(LY_SUCCESS, lys_print_mem(&printed, mod, LYS_OUT_YANG, 0));
+    assert_string_equal(printed, mod_test_yang);
+    free(printed);
+
+    assert_int_equal(LY_SUCCESS, lys_print_mem(&printed, mod, LYS_OUT_YIN, 0));
+    assert_string_equal(printed, mod_test_yin);
+    free(printed);
+
+    assert_non_null(mod = ly_ctx_get_module(UTEST_LYCTX, "a", NULL));
+    assert_int_equal(LY_SUCCESS, lys_print_mem(&printed, mod, LYS_OUT_YANG, 0));
+    assert_string_equal(printed, mod_def_yang);
+    free(printed);
+
+    assert_int_equal(LY_SUCCESS, lys_print_mem(&printed, mod, LYS_OUT_YIN, 0));
+    assert_string_equal(printed, mod_def_yin);
+    free(printed);
+}
+
+static void
+test_extension_argument_element(void **state)
+{
+    struct lys_module *mod;
+    const char *mod_def_yang = "module a {\n"
+            "  namespace \"urn:a\";\n"
+            "  prefix a;\n\n"
+            "  extension e {\n"
+            "    argument name {\n"
+            "      yin-element true;\n"
+            "    }\n"
+            "  }\n\n"
+            "  a:e \"aaa\";\n"
+            "}\n";
+    const char *mod_def_yin =
+            "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+            "<module name=\"a\"\n"
+            "        xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"\n"
+            "        xmlns:a=\"urn:a\">\n"
+            "  <namespace uri=\"urn:a\"/>\n"
+            "  <prefix value=\"a\"/>\n"
+            "  <extension name=\"e\">\n"
+            "    <argument name=\"name\">\n"
+            "      <yin-element value=\"true\"/>\n"
+            "    </argument>\n"
+            "  </extension>\n"
+            "  <a:e>\n"
+            "    <a:name>aaa</a:name>\n"
+            "  </a:e>\n"
+            "</module>\n";
+    const char *mod_test_yin, *mod_test_yang;
+    char *printed;
+
+    mod_test_yang = "module b {\n"
+            "  namespace \"urn:b\";\n"
+            "  prefix b;\n\n"
+            "  import a {\n"
+            "    prefix a;\n"
+            "  }\n\n"
+            "  a:e \"xxx\";\n"
+            "}\n";
+    mod_test_yin =
+            "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+            "<module name=\"b\"\n"
+            "        xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"\n"
+            "        xmlns:b=\"urn:b\"\n"
+            "        xmlns:a=\"urn:a\">\n"
+            "  <namespace uri=\"urn:b\"/>\n"
+            "  <prefix value=\"b\"/>\n"
+            "  <import module=\"a\">\n"
+            "    <prefix value=\"a\"/>\n"
+            "  </import>\n"
+            "  <a:e>\n"
+            "    <a:name>xxx</a:name>\n"
+            "  </a:e>\n"
+            "</module>\n";
+
+    /* from YANG */
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, (void *)mod_def_yang);
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, mod_test_yang, LYS_IN_YANG, &mod));
+    assert_int_equal(LY_SUCCESS, lys_print_mem(&printed, mod, LYS_OUT_YANG, 0));
+    assert_string_equal(printed, mod_test_yang);
+    free(printed);
+
+    assert_int_equal(LY_SUCCESS, lys_print_mem(&printed, mod, LYS_OUT_YIN, 0));
+    assert_string_equal(printed, mod_test_yin);
+    free(printed);
+
+    assert_non_null(mod = ly_ctx_get_module(UTEST_LYCTX, "a", NULL));
+    assert_int_equal(LY_SUCCESS, lys_print_mem(&printed, mod, LYS_OUT_YANG, 0));
+    assert_string_equal(printed, mod_def_yang);
+    free(printed);
+
+    assert_int_equal(LY_SUCCESS, lys_print_mem(&printed, mod, LYS_OUT_YIN, 0));
+    assert_string_equal(printed, mod_def_yin);
+    free(printed);
+
+    /* context reset */
+    ly_ctx_destroy(UTEST_LYCTX);
+    ly_ctx_new(NULL, 0, &UTEST_LYCTX);
+
+    /* from YIN */
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, (void *)mod_def_yin);
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, mod_test_yin, LYS_IN_YIN, &mod));
+    assert_int_equal(LY_SUCCESS, lys_print_mem(&printed, mod, LYS_OUT_YANG, 0));
+    assert_string_equal(printed, mod_test_yang);
+    free(printed);
+
+    assert_int_equal(LY_SUCCESS, lys_print_mem(&printed, mod, LYS_OUT_YIN, 0));
+    assert_string_equal(printed, mod_test_yin);
+    free(printed);
+
+    assert_non_null(mod = ly_ctx_get_module(UTEST_LYCTX, "a", NULL));
+    assert_int_equal(LY_SUCCESS, lys_print_mem(&printed, mod, LYS_OUT_YANG, 0));
+    assert_string_equal(printed, mod_def_yang);
+    free(printed);
+
+    assert_int_equal(LY_SUCCESS, lys_print_mem(&printed, mod, LYS_OUT_YIN, 0));
+    assert_string_equal(printed, mod_def_yin);
+    free(printed);
+
+    /* invalid */
+    mod_test_yang = "module x { namespace \"urn:x\"; prefix x; import a { prefix a; } a:e; }";
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, mod_test_yang, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Parsing module \"x\" failed.", NULL,
+            "Extension instance \"a:e\" missing argument element \"name\".", NULL);
+
+    mod_test_yin = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+            "<module name=\"x\"\n"
+            "        xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"\n"
+            "        xmlns:x=\"urn:x\"\n"
+            "        xmlns:a=\"urn:a\">\n"
+            "  <namespace uri=\"urn:x\"/>\n"
+            "  <prefix value=\"x\"/>\n"
+            "  <import module=\"a\">\n"
+            "    <prefix value=\"a\"/>\n"
+            "  </import>\n\n"
+            "  <a:e/>\n"
+            "</module>\n";
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, mod_test_yin, LYS_IN_YIN, NULL));
+    CHECK_LOG_CTX("Parsing module \"x\" failed.", NULL,
+            "Extension instance \"a:e\" missing argument element \"name\".", NULL);
+
+    mod_test_yin = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+            "<module name=\"x\"\n"
+            "        xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"\n"
+            "        xmlns:x=\"urn:x\"\n"
+            "        xmlns:a=\"urn:a\">\n"
+            "  <namespace uri=\"urn:x\"/>\n"
+            "  <prefix value=\"x\"/>\n"
+            "  <import module=\"a\">\n"
+            "    <prefix value=\"a\"/>\n"
+            "  </import>\n\n"
+            "  <a:e name=\"xxx\"/>\n"
+            "</module>\n";
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, mod_test_yin, LYS_IN_YIN, NULL));
+    CHECK_LOG_CTX("Parsing module \"x\" failed.", NULL,
+            "Extension instance \"a:e\" missing argument element \"name\".", NULL);
+
+    mod_test_yin = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+            "<module name=\"x\"\n"
+            "        xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"\n"
+            "        xmlns:x=\"urn:x\"\n"
+            "        xmlns:a=\"urn:a\">\n"
+            "  <namespace uri=\"urn:x\"/>\n"
+            "  <prefix value=\"x\"/>\n"
+            "  <import module=\"a\">\n"
+            "    <prefix value=\"a\"/>\n"
+            "  </import>\n\n"
+            "  <a:e>\n"
+            "    <x:name>xxx</x:name>\n"
+            "  </a:e>\n"
+            "</module>\n";
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, mod_test_yin, LYS_IN_YIN, NULL));
+    CHECK_LOG_CTX("Parsing module \"x\" failed.", NULL,
+            "Extension instance \"a:e\" element and its argument element \"name\" are expected in the same namespace, but they differ.",
+            NULL);
+
+    mod_test_yin = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+            "<module name=\"x\"\n"
+            "        xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"\n"
+            "        xmlns:x=\"urn:x\"\n"
+            "        xmlns:a=\"urn:a\">\n"
+            "  <namespace uri=\"urn:x\"/>\n"
+            "  <prefix value=\"x\"/>\n"
+            "  <import module=\"a\">\n"
+            "    <prefix value=\"a\"/>\n"
+            "  </import>\n\n"
+            "  <a:e>\n"
+            "    <a:value>xxx</a:value>\n"
+            "  </a:e>\n"
+            "</module>\n";
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, mod_test_yin, LYS_IN_YIN, NULL));
+    CHECK_LOG_CTX("Parsing module \"x\" failed.", NULL,
+            "Extension instance \"a:e\" expects argument element \"name\" as its first XML child, but \"value\" element found.",
+            NULL);
+
+}
+
+static void
+test_extension_compile(void **state)
+{
+    struct lys_module *mod;
+    struct lysc_ctx cctx = {0};
+    struct lysp_ext_instance ext_p = {0};
+    struct lysp_ext_substmt *substmtp;
+    struct lysp_stmt child = {0};
+    struct lysc_ext_instance ext_c = {0};
+    struct lysc_ext_substmt *substmt;
+    LY_ERR rc = LY_SUCCESS;
+
+    /* current module, whatever */
+    mod = ly_ctx_get_module_implemented(UTEST_LYCTX, "yang");
+    assert_true(mod);
+
+    /* compile context */
+    cctx.ctx = UTEST_LYCTX;
+    cctx.cur_mod = mod;
+    cctx.pmod = mod->parsed;
+    cctx.path_len = 1;
+    cctx.path[0] = '/';
+
+    /* parsed ext instance */
+    lydict_insert(UTEST_LYCTX, "pref:my-ext", 0, &ext_p.name);
+    ext_p.format = LY_VALUE_JSON;
+    ext_p.parent_stmt = LY_STMT_MODULE;
+
+    LY_ARRAY_NEW_GOTO(UTEST_LYCTX, ext_p.substmts, substmtp, rc, cleanup);
+
+    substmtp->stmt = LY_STMT_ERROR_MESSAGE;
+    substmtp->storage = &ext_p.parsed;
+    /* fake parse */
+    lydict_insert(UTEST_LYCTX, "my error", 0, (const char **)&ext_p.parsed);
+
+    /* compiled ext instance */
+    ext_c.parent_stmt = ext_p.parent_stmt;
+    LY_ARRAY_NEW_GOTO(UTEST_LYCTX, ext_c.substmts, substmt, rc, cleanup);
+
+    substmt->stmt = LY_STMT_ERROR_MESSAGE;
+    substmt->storage = &ext_c.compiled;
+
+    /*
+     * error-message
+     */
+    ext_p.child = &child;
+    lydict_insert(UTEST_LYCTX, "error-message", 0, &child.stmt);
+    lydict_insert(UTEST_LYCTX, "my error", 0, &child.arg);
+    child.format = LY_VALUE_JSON;
+    child.kw = LY_STMT_ERROR_MESSAGE;
+
+    /* compile */
+    assert_int_equal(LY_SUCCESS, lyplg_ext_compile_extension_instance(&cctx, &ext_p, &ext_c));
+
+    /* check */
+    assert_string_equal(ext_c.compiled, "my error");
+
+cleanup:
+    lydict_remove(UTEST_LYCTX, ext_p.name);
+    lydict_remove(UTEST_LYCTX, child.stmt);
+    lydict_remove(UTEST_LYCTX, child.arg);
+    LY_ARRAY_FREE(ext_p.substmts);
+    lydict_remove(UTEST_LYCTX, ext_p.parsed);
+    LY_ARRAY_FREE(ext_c.substmts);
+    lydict_remove(UTEST_LYCTX, ext_c.compiled);
+    if (rc) {
+        fail();
+    }
+}
+
+static void
+test_ext_recursive(void **state)
+{
+    const char *mod_base_yang, *mod_imp_yang, *mod_base_yin, *mod_imp_yin;
+
+    mod_imp_yang = "module b {\n"
+            "  namespace \"urn:b\";\n"
+            "  prefix b;\n\n"
+            "  extension use-in {\n"
+            "    argument name {\n"
+            "      b:arg-type {\n"
+            "        type string;\n"
+            "      }\n"
+            "    }\n"
+            "    b:use-in \"extension\";\n"
+            "    b:occurence \"*\";\n"
+            "  }\n"
+            "\n"
+            "  extension substatement {\n"
+            "    argument name {\n"
+            "      b:arg-type {\n"
+            "        type string;\n"
+            "      }\n"
+            "    }\n"
+            "    b:use-in \"extension\";\n"
+            "    b:occurence \"*\";\n"
+            "    b:substatement \"b:occurence\";\n"
+            "  }\n"
+            "\n"
+            "  extension arg-type {\n"
+            "    b:use-in \"argument\";\n"
+            "    b:substatement \"type\" {\n"
+            "      b:occurence \"1\";\n"
+            "    }\n"
+            "    b:substatement \"default\";\n"
+            "  }\n"
+            "\n"
+            "  extension occurence {\n"
+            "    argument value {\n"
+            "      b:arg-type {\n"
+            "        type enumeration {\n"
+            "          enum \"?\";\n"
+            "          enum \"*\";\n"
+            "          enum \"+\";\n"
+            "          enum \"1\";\n"
+            "        }\n"
+            "      }\n"
+            "    }\n"
+            "    b:use-in \"extension\";\n"
+            "  }\n"
+            "}\n";
+
+    mod_imp_yin = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+            "<module name=\"b\"\n"
+            "        xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"\n"
+            "        xmlns:b=\"urn:b\"\n"
+            "        xmlns:a=\"urn:a\">\n"
+            "  <namespace uri=\"urn:b\"/>\n"
+            "  <prefix value=\"b\"/>\n"
+            "  <import module=\"a\">\n"
+            "    <prefix value=\"a\"/>\n"
+            "  </import>\n\n"
+            "  <a:e name=\"xxx\"/>\n"
+            "</module>\n";
+
+    mod_base_yang = "module a {\n"
+            "  namespace \"urn:a\";\n"
+            "  prefix a;\n\n"
+            "  import b {\n"
+            "    prefix b;\n"
+            "  }\n"
+            "\n"
+            "  extension abstract {\n"
+            "    b:use-in \"identity\";\n"
+            "  }\n"
+            "\n"
+            "  identity mount-id;\n"
+            "\n"
+            "  identity yang-lib-id {\n"
+            "    base mount-id;\n"
+            "    a:abstract;\n"
+            "  }\n"
+            "}\n";
+
+    mod_base_yin = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+            "<module name=\"a\"\n"
+            "        xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"\n"
+            "        xmlns:a=\"urn:a\">\n"
+            "  <namespace uri=\"urn:a\"/>\n"
+            "  <prefix value=\"a\"/>\n\n"
+            "  <extension name=\"e\">\n"
+            "    <argument name=\"name\"/>\n"
+            "  </extension>\n\n"
+            "  <a:e name=\"aaa\"/>\n"
+            "</module>\n";
+
+    /* from YANG */
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, (void *)mod_imp_yang);
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, mod_base_yang, LYS_IN_YANG, NULL));
+
+    /* context reset */
+    ly_ctx_destroy(UTEST_LYCTX);
+    ly_ctx_new(NULL, 0, &UTEST_LYCTX);
+
+    /* from YIN */
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, (void *)mod_imp_yin);
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, mod_base_yin, LYS_IN_YIN, NULL));
+}
+
+int
+main(void)
+{
+    const struct CMUnitTest tests[] = {
+        UTEST(test_getnext),
+        UTEST(test_date),
+        UTEST(test_revisions),
+        UTEST(test_collision_typedef),
+        UTEST(test_collision_grouping),
+        UTEST(test_collision_identity),
+        UTEST(test_collision_feature),
+        UTEST(test_accessible_tree),
+        UTEST(test_includes),
+        UTEST(test_key_order),
+        UTEST(test_disabled_enum),
+        UTEST(test_identity),
+        UTEST(test_feature),
+        UTEST(test_extension_argument),
+        UTEST(test_extension_argument_element),
+        UTEST(test_extension_compile),
+        UTEST(test_ext_recursive),
+    };
+
+    return cmocka_run_group_tests(tests, NULL, NULL);
+}
diff --git a/tests/utests/schema/test_tree_schema_compile.c b/tests/utests/schema/test_tree_schema_compile.c
new file mode 100644
index 0000000..d6f0538
--- /dev/null
+++ b/tests/utests/schema/test_tree_schema_compile.c
@@ -0,0 +1,3837 @@
+/*
+ * @file test_tree_schema_compile.c
+ * @author: Radek Krejci <rkrejci@cesnet.cz>
+ * @brief unit tests for functions from parser_yang.c
+ *
+ * Copyright (c) 2018 CESNET, z.s.p.o.
+ *
+ * This source code is licensed under BSD 3-Clause License (the "License").
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://opensource.org/licenses/BSD-3-Clause
+ */
+#define _UTEST_MAIN_
+#include "utests.h"
+
+#include "common.h"
+#include "in.h"
+#include "parser_internal.h"
+#include "path.h"
+#include "plugins_types.h"
+#include "schema_compile.h"
+#include "xpath.h"
+
+static int
+setup(void **state)
+{
+    UTEST_SETUP;
+
+    assert_int_equal(LY_SUCCESS, ly_ctx_set_options(UTEST_LYCTX, LY_CTX_DISABLE_SEARCHDIRS));
+
+    return 0;
+}
+
+static void
+test_imp_free_data(void *model_data, void *UNUSED(user_data))
+{
+    free(model_data);
+}
+
+static LY_ERR
+test_imp_clb(const char *mod_name, const char *UNUSED(mod_rev), const char *UNUSED(submod_name),
+        const char *UNUSED(sub_rev), void *user_data, LYS_INFORMAT *format,
+        const char **module_data, void (**free_module_data)(void *model_data, void *user_data))
+{
+    char *nl;
+
+    if ((nl = strchr(user_data, '\n'))) {
+        /* more modules */
+        if (!strncmp((char *)user_data + 7, mod_name, strlen(mod_name))) {
+            *module_data = strndup(user_data, nl - (char *)user_data);
+            *format = LYS_IN_YANG;
+            *free_module_data = test_imp_free_data;
+        } else {
+            *module_data = strdup(nl + 1);
+            *format = LYS_IN_YANG;
+            *free_module_data = test_imp_free_data;
+        }
+    } else {
+        *module_data = user_data;
+        *format = LYS_IN_YANG;
+        *free_module_data = NULL;
+    }
+    return LY_SUCCESS;
+}
+
+static void
+test_module(void **state)
+{
+    const char *str, *feats[] = {"invalid", NULL};
+    struct ly_in *in;
+    struct lys_module *mod = NULL;
+    struct lysp_feature *f;
+    struct lysc_iffeature *iff;
+    struct lys_glob_unres unres = {0};
+
+    str = "module test {namespace urn:test; prefix t;"
+            "feature f1;feature f2 {if-feature f1;}}";
+    assert_int_equal(LY_SUCCESS, ly_in_new_memory(str, &in));
+    assert_int_equal(LY_SUCCESS, lys_parse_in(UTEST_LYCTX, in, LYS_IN_YANG, NULL, NULL, &unres.creating, &mod));
+    lys_unres_glob_erase(&unres);
+    ly_in_free(in, 0);
+    assert_int_equal(0, mod->implemented);
+    assert_int_equal(LY_EINVAL, lys_set_implemented(mod, feats));
+    assert_int_equal(LY_SUCCESS, lys_set_implemented(mod, NULL));
+    assert_non_null(mod->compiled);
+    assert_string_equal("test", mod->name);
+    assert_string_equal("urn:test", mod->ns);
+    assert_string_equal("t", mod->prefix);
+    /* features */
+    assert_non_null(mod->parsed->features);
+    assert_int_equal(2, LY_ARRAY_COUNT(mod->parsed->features));
+    f = &mod->parsed->features[1];
+    assert_non_null(f->iffeatures);
+    assert_int_equal(1, LY_ARRAY_COUNT(f->iffeatures));
+    iff = &f->iffeatures_c[0];
+    assert_non_null(iff->expr);
+    assert_non_null(iff->features);
+    assert_int_equal(1, LY_ARRAY_COUNT(iff->features));
+    assert_ptr_equal(&mod->parsed->features[0], iff->features[0]);
+
+    /* submodules cannot be compiled directly */
+    str = "submodule test {belongs-to xxx {prefix x;}}";
+    assert_int_equal(LY_SUCCESS, ly_in_new_memory(str, &in));
+    assert_int_equal(LY_EINVAL, lys_parse_in(UTEST_LYCTX, in, LYS_IN_YANG, NULL, NULL, &unres.creating, NULL));
+    lys_unres_glob_erase(&unres);
+    ly_in_free(in, 0);
+    CHECK_LOG_CTX("Input data contains submodule which cannot be parsed directly without its main module.", NULL);
+
+    /* data definition name collision in top level */
+    str = "module aa {namespace urn:aa;prefix aa; leaf a {type string;} container a{presence x;}}";
+    assert_int_equal(LY_SUCCESS, ly_in_new_memory(str, &in));
+    assert_int_equal(LY_EEXIST, lys_parse(UTEST_LYCTX, in, LYS_IN_YANG, NULL, &mod));
+    ly_in_free(in, 0);
+    CHECK_LOG_CTX("Duplicate identifier \"a\" of data definition/RPC/action/notification statement.", "/aa:a");
+}
+
+static void
+test_name_collisions(void **state)
+{
+    const char *yang_data;
+
+    /* top-level */
+    yang_data = "module a {namespace urn:a;prefix a;"
+            "  container c;"
+            "  leaf a {type empty;}"
+            "  leaf c {type empty;}"
+            "}";
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, yang_data, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Duplicate identifier \"c\" of data definition/RPC/action/notification statement.", "/a:c");
+    UTEST_LOG_CLEAN;
+
+    yang_data = "module a {namespace urn:a;prefix a;"
+            "  container c;"
+            "  leaf a {type empty;}"
+            "  notification c;"
+            "}";
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, yang_data, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Duplicate identifier \"c\" of data definition/RPC/action/notification statement.", "/a:c");
+    UTEST_LOG_CLEAN;
+
+    yang_data = "module a {namespace urn:a;prefix a;"
+            "  container c;"
+            "  leaf a {type empty;}"
+            "  rpc c;"
+            "}";
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, yang_data, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Duplicate identifier \"c\" of data definition/RPC/action/notification statement.", "/a:c");
+    UTEST_LOG_CLEAN;
+
+    yang_data = "module a {namespace urn:a;prefix a;"
+            "  container c;"
+            "  leaf a {type empty;}"
+            "  choice ch {"
+            "    leaf c {type string;}"
+            "    case c2 {"
+            "      leaf aa {type empty;}"
+            "    }"
+            "  }"
+            "}";
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, yang_data, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Duplicate identifier \"c\" of data definition/RPC/action/notification statement.", "/a:ch/c/c");
+    UTEST_LOG_CLEAN;
+
+    /* nested */
+    yang_data = "module a {namespace urn:a;prefix a;container c { list l {key \"k\"; leaf k {type string;}"
+            "leaf-list a {type string;}"
+            "container a;"
+            "}}}";
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, yang_data, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Duplicate identifier \"a\" of data definition/RPC/action/notification statement.", "/a:c/l/a");
+    UTEST_LOG_CLEAN;
+
+    yang_data = "module a {yang-version 1.1;namespace urn:a;prefix a;container c { list l {key \"k\"; leaf k {type string;}"
+            "leaf-list a {type string;}"
+            "notification a;"
+            "}}}";
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, yang_data, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Duplicate identifier \"a\" of data definition/RPC/action/notification statement.", "/a:c/l/a");
+    UTEST_LOG_CLEAN;
+
+    yang_data = "module a {yang-version 1.1;namespace urn:a;prefix a;container c { list l {key \"k\"; leaf k {type string;}"
+            "leaf-list a {type string;}"
+            "action a;"
+            "}}}";
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, yang_data, LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Duplicate identifier \"a\" of data definition/RPC/action/notification statement.", "/a:c/l/a");
+    UTEST_LOG_CLEAN;
+
+    /* grouping */
+}
+
+static void
+test_node_container(void **state)
+{
+    struct lys_module *mod;
+    struct lysc_node_container *cont;
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a {namespace urn:a;prefix a;container c;}", LYS_IN_YANG, &mod));
+    assert_non_null(mod->compiled);
+    assert_non_null((cont = (struct lysc_node_container *)mod->compiled->data));
+    assert_int_equal(LYS_CONTAINER, cont->nodetype);
+    assert_string_equal("c", cont->name);
+    assert_true(cont->flags & LYS_CONFIG_W);
+    assert_true(cont->flags & LYS_STATUS_CURR);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module b {namespace urn:b;prefix b;container c {config false; status deprecated; container child;}}", LYS_IN_YANG, &mod));
+    assert_non_null(mod->compiled);
+    assert_non_null((cont = (struct lysc_node_container *)mod->compiled->data));
+    assert_true(cont->flags & LYS_CONFIG_R);
+    assert_true(cont->flags & LYS_STATUS_DEPRC);
+    assert_non_null((cont = (struct lysc_node_container *)cont->child));
+    assert_int_equal(LYS_CONTAINER, cont->nodetype);
+    assert_true(cont->flags & LYS_CONFIG_R);
+    assert_true(cont->flags & LYS_STATUS_DEPRC);
+    assert_string_equal("child", cont->name);
+}
+
+static void
+test_node_leaflist(void **state)
+{
+    struct lys_module *mod;
+    struct lysc_type *type;
+    struct lysc_node_leaflist *ll;
+    struct lysc_node_leaf *l;
+    const char *dflt;
+    uint8_t dynamic;
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a {namespace urn:a;prefix a;"
+            "typedef mytype {type union {type leafref {path ../target;} type string;}}"
+            "leaf-list ll1 {type union {type decimal64 {fraction-digits 2;} type mytype;}}"
+            "leaf-list ll2 {type leafref {path ../target;}}"
+            "leaf target {type int8;}}",
+            LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(1, type->refcount);
+    assert_int_equal(LY_TYPE_UNION, type->basetype);
+    assert_non_null(((struct lysc_type_union *)type)->types);
+    assert_int_equal(3, LY_ARRAY_COUNT(((struct lysc_type_union *)type)->types));
+    assert_int_equal(LY_TYPE_DEC64, ((struct lysc_type_union *)type)->types[0]->basetype);
+    assert_int_equal(LY_TYPE_LEAFREF, ((struct lysc_type_union *)type)->types[1]->basetype);
+    assert_int_equal(LY_TYPE_STRING, ((struct lysc_type_union *)type)->types[2]->basetype);
+    assert_non_null(((struct lysc_type_leafref *)((struct lysc_type_union *)type)->types[1])->realtype);
+    assert_int_equal(LY_TYPE_INT8, ((struct lysc_type_leafref *)((struct lysc_type_union *)type)->types[1])->realtype->basetype);
+    type = ((struct lysc_node_leaf *)mod->compiled->data->next)->type;
+    assert_non_null(type);
+    assert_int_equal(1, type->refcount);
+    assert_int_equal(LY_TYPE_LEAFREF, type->basetype);
+    assert_non_null(((struct lysc_type_leafref *)type)->realtype);
+    assert_int_equal(LY_TYPE_INT8, ((struct lysc_type_leafref *)type)->realtype->basetype);
+
+    /* now test for string type is in file ./tests/utests/types/string.c */
+#if 0
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module b {namespace urn:b;prefix b;leaf-list ll {type string;}}", LYS_IN_YANG, &mod));
+    assert_non_null(mod->compiled);
+    assert_non_null((ll = (struct lysc_node_leaflist *)mod->compiled->data));
+    assert_int_equal(0, ll->min);
+    assert_int_equal((uint32_t)-1, ll->max);
+#endif
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module c {yang-version 1.1;namespace urn:c;prefix c;typedef mytype {type int8;default 10;}"
+            "leaf-list ll1 {type mytype;default 1; default 1; config false;}"
+            "leaf-list ll2 {type mytype; ordered-by user;}}", LYS_IN_YANG, &mod));
+    assert_non_null(mod->compiled);
+    assert_non_null((ll = (struct lysc_node_leaflist *)mod->compiled->data));
+    assert_non_null(ll->dflts);
+    assert_int_equal(6, ll->type->refcount); /* 3x type's reference, 3x default value's reference (typedef's default does not reference own type) */
+    assert_int_equal(2, LY_ARRAY_COUNT(ll->dflts));
+    assert_string_equal("1", dflt = ll->dflts[0]->realtype->plugin->print(UTEST_LYCTX, ll->dflts[0], LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_string_equal("1", dflt = ll->dflts[1]->realtype->plugin->print(UTEST_LYCTX, ll->dflts[1], LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_int_equal(LYS_CONFIG_R | LYS_STATUS_CURR | LYS_ORDBY_USER | LYS_SET_DFLT | LYS_SET_CONFIG, ll->flags);
+    assert_non_null((ll = (struct lysc_node_leaflist *)mod->compiled->data->next));
+    assert_non_null(ll->dflts);
+    assert_int_equal(6, ll->type->refcount); /* 3x type's reference, 3x default value's reference */
+    assert_int_equal(1, LY_ARRAY_COUNT(ll->dflts));
+    assert_string_equal("10", dflt = ll->dflts[0]->realtype->plugin->print(UTEST_LYCTX, ll->dflts[0], LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_int_equal(LYS_CONFIG_W | LYS_STATUS_CURR | LYS_ORDBY_USER, ll->flags);
+
+    /* ordered-by is ignored (with verbose message) for state data, RPC/action output parameters and notification content */
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module d {yang-version 1.1;namespace urn:d;prefix d;"
+            "leaf-list ll {config false; type string; ordered-by user;}}", LYS_IN_YANG, &mod));
+    assert_non_null(mod->compiled);
+    assert_non_null((ll = (struct lysc_node_leaflist *)mod->compiled->data));
+    assert_int_equal(LYS_CONFIG_R | LYS_STATUS_CURR | LYS_ORDBY_USER | LYS_SET_CONFIG, ll->flags);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module e {yang-version 1.1;namespace urn:e;prefix e;"
+            "rpc oper {output {leaf-list ll {type string; ordered-by user;}}}}", LYS_IN_YANG, &mod));
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module f {yang-version 1.1;namespace urn:f;prefix f;"
+            "notification event {leaf-list ll {type string; ordered-by user;}}}", LYS_IN_YANG, &mod));
+
+    /* forward reference in default */
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module g {yang-version 1.1; namespace urn:g;prefix g;"
+            "leaf ref {type instance-identifier {require-instance true;} default \"/g:g[.='val']\";}"
+            "leaf-list g {type string;}}", LYS_IN_YANG, &mod));
+    assert_non_null(l = (struct lysc_node_leaf *)mod->compiled->data);
+    assert_string_equal("ref", l->name);
+    assert_non_null(l->dflt);
+
+    /* invalid */
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa;leaf-list ll {type empty;}}",
+            LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Leaf-list of type \"empty\" is allowed only in YANG 1.1 modules.", "/aa:ll");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module bb {yang-version 1.1;namespace urn:bb;prefix bb;leaf-list ll {type empty; default x;}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid default - value does not fit the type (Invalid empty value length 1.).", "Schema location \"/bb:ll\".");
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module cc {yang-version 1.1;namespace urn:cc;prefix cc;"
+            "leaf-list ll {config false;type string; default one;default two;default one;}}", LYS_IN_YANG, &mod));
+    assert_non_null(mod->compiled);
+    assert_non_null((ll = (struct lysc_node_leaflist *)mod->compiled->data));
+    assert_non_null(ll->dflts);
+    assert_int_equal(3, LY_ARRAY_COUNT(ll->dflts));
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module dd {yang-version 1.1;namespace urn:dd;prefix dd;"
+            "leaf-list ll {type string; default one;default two;default one;}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Configuration leaf-list has multiple defaults of the same value \"one\".", "/dd:ll");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ee {yang-version 1.1; namespace urn:ee;prefix ee;"
+            "leaf ref {type instance-identifier {require-instance true;} default \"/ee:g\";}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid default - value does not fit the type "
+            "(Invalid instance-identifier \"/ee:g\" value - semantic error.).", "Schema location \"/ee:ref\".");
+}
+
+static void
+test_node_list(void **state)
+{
+    struct lys_module *mod;
+    struct lysc_node_list *list;
+    struct lysc_node *child;
+    struct ly_in *in;
+    const char *data =
+            "module a {namespace urn:a;prefix a;feature f;"
+            "list l1 {key \"x y\"; ordered-by user; leaf y{type string;if-feature f;} leaf x {type string; when 1;}}"
+            "list l2 {config false;leaf value {type string;}}}";
+    const char *feats[] = {"f", NULL};
+
+    assert_int_equal(LY_SUCCESS, ly_in_new_memory(data, &in));
+    assert_int_equal(LY_SUCCESS, lys_parse(UTEST_LYCTX, in, LYS_IN_YANG, feats, &mod));
+    ly_in_free(in, 0);
+    list = (struct lysc_node_list *)mod->compiled->data;
+    assert_non_null(list);
+    assert_non_null(list->child);
+    assert_string_equal("x", list->child->name);
+    assert_true(list->child->flags & LYS_KEY);
+    assert_string_equal("y", list->child->next->name);
+    assert_true(list->child->next->flags & LYS_KEY);
+    assert_non_null(list->child);
+    assert_int_equal(LYS_CONFIG_W | LYS_STATUS_CURR | LYS_ORDBY_USER, list->flags);
+    assert_true(list->child->flags & LYS_KEY);
+    assert_true(list->child->next->flags & LYS_KEY);
+    list = (struct lysc_node_list *)mod->compiled->data->next;
+    assert_non_null(list);
+    assert_non_null(list->child);
+    assert_false(list->child->flags & LYS_KEY);
+    assert_int_equal(LYS_CONFIG_R | LYS_STATUS_CURR | LYS_ORDBY_USER | LYS_SET_CONFIG | LYS_KEYLESS, list->flags);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module b {namespace urn:b;prefix b;"
+            "list l {key a; unique \"a c/b:b\"; unique \"c/e d\";"
+            "leaf a {type string; default x;} leaf d {type string;config false;}"
+            "container c {leaf b {type string;}leaf e{type string;config false;}}}}",
+            LYS_IN_YANG, &mod));
+    list = (struct lysc_node_list *)mod->compiled->data;
+    assert_non_null(list);
+    assert_string_equal("l", list->name);
+    assert_string_equal("a", list->child->name);
+    assert_true(list->child->flags & LYS_KEY);
+    assert_null(((struct lysc_node_leaf *)list->child)->dflt);
+    assert_non_null(list->uniques);
+    assert_int_equal(2, LY_ARRAY_COUNT(list->uniques));
+    assert_int_equal(2, LY_ARRAY_COUNT(list->uniques[0]));
+    assert_string_equal("a", list->uniques[0][0]->name);
+    assert_true(list->uniques[0][0]->flags & LYS_UNIQUE);
+    assert_string_equal("b", list->uniques[0][1]->name);
+    assert_true(list->uniques[0][1]->flags & LYS_UNIQUE);
+    assert_int_equal(2, LY_ARRAY_COUNT(list->uniques[1]));
+    assert_string_equal("e", list->uniques[1][0]->name);
+    assert_true(list->uniques[1][0]->flags & LYS_UNIQUE);
+    assert_string_equal("d", list->uniques[1][1]->name);
+    assert_true(list->uniques[1][1]->flags & LYS_UNIQUE);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module c {yang-version 1.1;namespace urn:c;prefix c;"
+            "list l {key a;leaf a {type empty;}}}", LYS_IN_YANG, &mod));
+    list = (struct lysc_node_list *)mod->compiled->data;
+    assert_non_null(list);
+    assert_string_equal("l", list->name);
+    assert_string_equal("a", list->child->name);
+    assert_true(list->child->flags & LYS_KEY);
+    assert_int_equal(LY_TYPE_EMPTY, ((struct lysc_node_leaf *)list->child)->type->basetype);
+
+    /* keys order */
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module d {yang-version 1.1;namespace urn:d;prefix d;"
+            "list l {key \"d b c\";leaf a {type string;} leaf b {type string;} leaf c {type string;} leaf d {type string;}}}", LYS_IN_YANG, &mod));
+    list = (struct lysc_node_list *)mod->compiled->data;
+    assert_non_null(list);
+    assert_string_equal("l", list->name);
+    assert_non_null(child = list->child);
+    assert_string_equal("d", child->name);
+    assert_true(child->flags & LYS_KEY);
+    assert_non_null(child = child->next);
+    assert_string_equal("b", child->name);
+    assert_true(child->flags & LYS_KEY);
+    assert_non_null(child = child->next);
+    assert_string_equal("c", child->name);
+    assert_true(child->flags & LYS_KEY);
+    assert_non_null(child = child->next);
+    assert_string_equal("a", child->name);
+    assert_false(child->flags & LYS_KEY);
+
+    /* invalid */
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa;list l;}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Missing key in list representing configuration data.", "/aa:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module bb {yang-version 1.1; namespace urn:bb;prefix bb;"
+            "list l {key x; leaf x {type string; when 1;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("List's key must not have any \"when\" statement.", "/bb:l/x");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module cc {yang-version 1.1;namespace urn:cc;prefix cc;feature f;"
+            "list l {key x; leaf x {type string; if-feature f;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Key \"x\" is disabled.", "Schema location \"/cc:l/x\".");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module dd {namespace urn:dd;prefix dd;"
+            "list l {key x; leaf x {type string; config false;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Key of a configuration list must not be a state leaf.", "/dd:l/x");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ee {namespace urn:ee;prefix ee;"
+            "list l {config false;key x; leaf x {type string; config true;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Configuration node cannot be child of any state data node.", "/ee:l/x");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ff {namespace urn:ff;prefix ff;"
+            "list l {key x; leaf-list x {type string;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("The list's key \"x\" not found.", "/ff:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module gg {namespace urn:gg;prefix gg;"
+            "list l {key x; unique y;leaf x {type string;} leaf-list y {type string;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Unique's descendant-schema-nodeid \"y\" refers to leaf-list node instead of a leaf.", "/gg:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module hh {namespace urn:hh;prefix hh;"
+            "list l {key x; unique \"x y\";leaf x {type string;} leaf y {config false; type string;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Unique statement \"x y\" refers to leaves with different config type.", "/hh:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ii {namespace urn:ii;prefix ii;"
+            "list l {key x; unique a:x;leaf x {type string;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid descendant-schema-nodeid value \"a:x\" - prefix \"a\" not defined in module \"ii\".", "/ii:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module jj {namespace urn:jj;prefix jj;"
+            "list l {key x; unique c/x;leaf x {type string;}container c {leaf y {type string;}}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid descendant-schema-nodeid value \"c/x\" - target node not found.", "/jj:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module kk {namespace urn:kk;prefix kk;"
+            "list l {key x; unique c^y;leaf x {type string;}container c {leaf y {type string;}}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid descendant-schema-nodeid value \"c^\" - missing \"/\" as node-identifier separator.", "/kk:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ll {namespace urn:ll;prefix ll;"
+            "list l {key \"x y x\";leaf x {type string;}leaf y {type string;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Duplicated key identifier \"x\".", "/ll:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module mm {namespace urn:mm;prefix mm;"
+            "list l {key x;leaf x {type empty;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("List's key cannot be of \"empty\" type until it is in YANG 1.1 module.", "/mm:l/x");
+}
+
+static void
+test_node_choice(void **state)
+{
+    struct lys_module *mod;
+    struct lysc_node_choice *ch;
+    struct lysc_node_case *cs;
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a {namespace urn:a;prefix a;feature f;"
+            "choice ch {default a:b; when \"true()\"; case a {leaf a1 {type string;}leaf a2 {type string;}}"
+            "leaf b {type string;}}}", LYS_IN_YANG, &mod));
+    ch = (struct lysc_node_choice *)mod->compiled->data;
+    assert_non_null(ch);
+    assert_int_equal(LYS_CONFIG_W | LYS_STATUS_CURR, ch->flags);
+    assert_int_equal(1, LY_ARRAY_COUNT(ch->when));
+    assert_null(ch->when[0]->context);
+    cs = ch->cases;
+    assert_non_null(cs);
+    assert_string_equal("a", cs->name);
+    assert_ptr_equal(ch, cs->parent);
+    assert_non_null(cs->child);
+    assert_string_equal("a1", cs->child->name);
+    assert_non_null(cs->child->next);
+    assert_string_equal("a2", cs->child->next->name);
+    assert_ptr_equal(cs, cs->child->parent);
+    cs = (struct lysc_node_case *)cs->next;
+    assert_non_null(cs);
+    assert_string_equal("b", cs->name);
+    assert_int_equal(LYS_STATUS_CURR | LYS_SET_DFLT | LYS_CONFIG_W, cs->flags);
+    assert_ptr_equal(ch, cs->parent);
+    assert_non_null(cs->child);
+    assert_string_equal("b", cs->child->name);
+    assert_ptr_equal(cs, cs->child->parent);
+    assert_ptr_equal(ch->dflt, cs);
+
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa;"
+            "choice ch {case a {leaf x {type string;}}leaf x {type string;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Duplicate identifier \"x\" of data definition/RPC/action/notification statement.", "/aa:ch/x/x");
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, "module aa2 {namespace urn:aa2;prefix aa;"
+            "choice ch {case a {leaf y {type string;}}case b {leaf y {type string;}}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Duplicate identifier \"y\" of data definition/RPC/action/notification statement.", "/aa2:ch/b/y");
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, "module bb {namespace urn:bb;prefix bb;"
+            "choice ch {case a {leaf x {type string;}}leaf a {type string;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Duplicate identifier \"a\" of case statement.", "/bb:ch/a");
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, "module bb2 {namespace urn:bb2;prefix bb;"
+            "choice ch {case b {leaf x {type string;}}case b {leaf y {type string;}}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Duplicate identifier \"b\" of case statement.", "/bb2:ch/b");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ca {namespace urn:ca;prefix ca;"
+            "choice ch {default c;case a {leaf x {type string;}}case b {leaf y {type string;}}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Default case \"c\" not found.", "/ca:ch");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module cb {namespace urn:cb;prefix cb; import a {prefix a;}"
+            "choice ch {default a:a;case a {leaf x {type string;}}case b {leaf y {type string;}}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Default case \"a:a\" not found.", "/cb:ch");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module cc {namespace urn:cc;prefix cc;"
+            "choice ch {default a;case a {leaf x {mandatory true;type string;}}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Mandatory node \"x\" under the default case \"a\".", "/cc:ch");
+    /* TODO check with mandatory nodes from augment placed into the case */
+}
+
+static void
+test_node_anydata(void **state)
+{
+    struct lys_module *mod;
+    struct lysc_node_anydata *any;
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a {yang-version 1.1;namespace urn:a;prefix a;"
+            "anydata any {config false;mandatory true;}}", LYS_IN_YANG, &mod));
+    any = (struct lysc_node_anydata *)mod->compiled->data;
+    assert_non_null(any);
+    assert_int_equal(LYS_ANYDATA, any->nodetype);
+    assert_int_equal(LYS_CONFIG_R | LYS_STATUS_CURR | LYS_MAND_TRUE | LYS_SET_CONFIG, any->flags);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module b {namespace urn:b;prefix b;"
+            "anyxml any;}", LYS_IN_YANG, &mod));
+    any = (struct lysc_node_anydata *)mod->compiled->data;
+    assert_non_null(any);
+    assert_int_equal(LYS_ANYXML, any->nodetype);
+    assert_int_equal(LYS_CONFIG_W | LYS_STATUS_CURR, any->flags);
+
+    /* invalid */
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa;anydata any;}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Parsing module \"aa\" failed.", NULL,
+            "Invalid keyword \"anydata\" as a child of \"module\" - the statement is allowed only in YANG 1.1 modules.", "Line number 1.");
+}
+
+static void
+test_action(void **state)
+{
+    struct lys_module *mod;
+    const struct lysc_node_action *rpc;
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a {namespace urn:a;prefix a;"
+            "rpc a {input {leaf x {type int8;} leaf y {type int8;}} output {leaf result {type int16;}}}}", LYS_IN_YANG, &mod));
+    rpc = mod->compiled->rpcs;
+    assert_non_null(rpc);
+    assert_null(rpc->next);
+    assert_int_equal(LYS_RPC, rpc->nodetype);
+    assert_int_equal(LYS_STATUS_CURR, rpc->flags);
+    assert_string_equal("a", rpc->name);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module b {yang-version 1.1; namespace urn:b;prefix b; container top {"
+            "action b {input {leaf x {type int8;} leaf y {type int8;}}"
+            "output {must \"result > 25\"; must \"/top\"; leaf result {type int16;}}}}"
+            "augment /top/b/output {leaf result2 {type string;}}}", LYS_IN_YANG, &mod));
+    rpc = lysc_node_actions(mod->compiled->data);
+    assert_non_null(rpc);
+    assert_null(rpc->next);
+    assert_int_equal(LYS_ACTION, rpc->nodetype);
+    assert_int_equal(LYS_STATUS_CURR, rpc->flags);
+    assert_string_equal("b", rpc->name);
+    assert_null(rpc->input.musts);
+    assert_int_equal(2, LY_ARRAY_COUNT(rpc->output.musts));
+
+    /* invalid */
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa;container top {action x;}}",
+            LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Parsing module \"aa\" failed.", NULL,
+            "Invalid keyword \"action\" as a child of \"container\" - the statement is allowed only in YANG 1.1 modules.", "Line number 1.");
+
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, "module bb {namespace urn:bb;prefix bb;leaf x{type string;} rpc x;}",
+            LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Duplicate identifier \"x\" of data definition/RPC/action/notification statement.", "/bb:x");
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, "module cc {yang-version 1.1; namespace urn:cc;prefix cc;container c {leaf y {type string;} action y;}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Duplicate identifier \"y\" of data definition/RPC/action/notification statement.", "/cc:c/y");
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, "module dd {yang-version 1.1; namespace urn:dd;prefix dd;container c {action z; action z;}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Duplicate identifier \"z\" of data definition/RPC/action/notification statement.", "/dd:c/z");
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "submodule eesub {belongs-to ee {prefix ee;} notification w;}");
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, "module ee {yang-version 1.1; namespace urn:ee;prefix ee;include eesub; rpc w;}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Duplicate identifier \"w\" of data definition/RPC/action/notification statement.", "/ee:w");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ff {yang-version 1.1; namespace urn:ff;prefix ff; rpc test {input {container a {leaf b {type string;}}}}"
+            "augment /test/input/a {action invalid {input {leaf x {type string;}}}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Action \"invalid\" is placed inside another RPC/action.", "/ff:{augment='/test/input/a'}/invalid");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module gg {yang-version 1.1; namespace urn:gg;prefix gg; notification test {container a {leaf b {type string;}}}"
+            "augment /test/a {action invalid {input {leaf x {type string;}}}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Action \"invalid\" is placed inside notification.", "/gg:{augment='/test/a'}/invalid");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module hh {yang-version 1.1; namespace urn:hh;prefix hh; notification test {container a {uses grp;}}"
+            "grouping grp {action invalid {input {leaf x {type string;}}}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Action \"invalid\" is placed inside notification.", "/hh:test/a/{uses='grp'}/invalid");
+}
+
+static void
+test_notification(void **state)
+{
+    struct lys_module *mod;
+    const struct lysc_node_notif *notif;
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a {namespace urn:a;prefix a;"
+            "notification a1 {leaf x {type int8;}} notification a2;}", LYS_IN_YANG, &mod));
+    notif = mod->compiled->notifs;
+    assert_non_null(notif);
+    assert_non_null(notif->next);
+    assert_null(notif->next->next);
+    assert_int_equal(LYS_NOTIF, notif->nodetype);
+    assert_int_equal(LYS_STATUS_CURR, notif->flags);
+    assert_string_equal("a1", notif->name);
+    assert_non_null(notif->child);
+    assert_string_equal("x", notif->child->name);
+    notif = notif->next;
+    assert_int_equal(LYS_NOTIF, notif->nodetype);
+    assert_int_equal(LYS_STATUS_CURR, notif->flags);
+    assert_string_equal("a2", notif->name);
+    assert_null(notif->child);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module b {yang-version 1.1; namespace urn:b;prefix b; container top {"
+            "notification b1 {leaf x {type int8;}} notification b2 {must \"/top\";}}}", LYS_IN_YANG, &mod));
+    notif = lysc_node_notifs(mod->compiled->data);
+    assert_non_null(notif);
+    assert_non_null(notif->next);
+    assert_null(notif->next->next);
+    assert_int_equal(LYS_NOTIF, notif->nodetype);
+    assert_int_equal(LYS_STATUS_CURR, notif->flags);
+    assert_string_equal("b1", notif->name);
+    assert_non_null(notif->child);
+    assert_string_equal("x", notif->child->name);
+    notif = notif->next;
+    assert_int_equal(LYS_NOTIF, notif->nodetype);
+    assert_int_equal(LYS_STATUS_CURR, notif->flags);
+    assert_string_equal("b2", notif->name);
+    assert_null(notif->child);
+    assert_int_equal(1, LY_ARRAY_COUNT(notif->musts));
+
+    /* invalid */
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa;container top {notification x;}}",
+            LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Parsing module \"aa\" failed.", NULL,
+            "Invalid keyword \"notification\" as a child of \"container\" - the statement is allowed only in YANG 1.1 modules.", "Line number 1.");
+
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, "module bb {namespace urn:bb;prefix bb;leaf x{type string;} notification x;}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Duplicate identifier \"x\" of data definition/RPC/action/notification statement.", "/bb:x");
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, "module cc {yang-version 1.1; namespace urn:cc;prefix cc;container c {leaf y {type string;} notification y;}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Duplicate identifier \"y\" of data definition/RPC/action/notification statement.", "/cc:c/y");
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, "module dd {yang-version 1.1; namespace urn:dd;prefix dd;container c {notification z; notification z;}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Duplicate identifier \"z\" of data definition/RPC/action/notification statement.", "/dd:c/z");
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "submodule eesub {belongs-to ee {prefix ee;} rpc w;}");
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, "module ee {yang-version 1.1; namespace urn:ee;prefix ee;include eesub; notification w;}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Duplicate identifier \"w\" of data definition/RPC/action/notification statement.", "/ee:w");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ff {yang-version 1.1; namespace urn:ff;prefix ff; rpc test {input {container a {leaf b {type string;}}}}"
+            "augment /test/input/a {notification invalid {leaf x {type string;}}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Notification \"invalid\" is placed inside RPC/action.", "/ff:{augment='/test/input/a'}/invalid");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module gg {yang-version 1.1; namespace urn:gg;prefix gg; notification test {container a {leaf b {type string;}}}"
+            "augment /test/a {notification invalid {leaf x {type string;}}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Notification \"invalid\" is placed inside another notification.", "/gg:{augment='/test/a'}/invalid");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module hh {yang-version 1.1; namespace urn:hh;prefix hh; rpc test {input {container a {uses grp;}}}"
+            "grouping grp {notification invalid {leaf x {type string;}}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Notification \"invalid\" is placed inside RPC/action.", "/hh:test/input/a/{uses='grp'}/invalid");
+}
+
+/**
+ * actually the same as length restriction (tested in test_type_length()), so just check the correct handling in appropriate types,
+ * do not test the expression itself
+ */
+static void
+test_type_range(void **state)
+{
+    struct lys_module *mod;
+    struct lysc_type *type;
+
+#if 0
+    /*test about int8 should be in tests/utests/types/int8.c*/
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a {namespace urn:a;prefix a;leaf l {type int8 {range min..10|max;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_INT8, type->basetype);
+    assert_non_null(((struct lysc_type_num *)type)->range);
+    assert_non_null(((struct lysc_type_num *)type)->range->parts);
+    assert_int_equal(2, LY_ARRAY_COUNT(((struct lysc_type_num *)type)->range->parts));
+    assert_int_equal(-128, ((struct lysc_type_num *)type)->range->parts[0].min_64);
+    assert_int_equal(10, ((struct lysc_type_num *)type)->range->parts[0].max_64);
+    assert_int_equal(127, ((struct lysc_type_num *)type)->range->parts[1].min_64);
+    assert_int_equal(127, ((struct lysc_type_num *)type)->range->parts[1].max_64);
+#endif
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module b {namespace urn:b;prefix b;leaf l {type int16 {range min..10|max;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_INT16, type->basetype);
+    assert_non_null(((struct lysc_type_num *)type)->range);
+    assert_non_null(((struct lysc_type_num *)type)->range->parts);
+    assert_int_equal(2, LY_ARRAY_COUNT(((struct lysc_type_num *)type)->range->parts));
+    assert_int_equal(-32768, ((struct lysc_type_num *)type)->range->parts[0].min_64);
+    assert_int_equal(10, ((struct lysc_type_num *)type)->range->parts[0].max_64);
+    assert_int_equal(32767, ((struct lysc_type_num *)type)->range->parts[1].min_64);
+    assert_int_equal(32767, ((struct lysc_type_num *)type)->range->parts[1].max_64);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module c {namespace urn:c;prefix c;leaf l {type int32 {range min..10|max;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_INT32, type->basetype);
+    assert_non_null(((struct lysc_type_num *)type)->range);
+    assert_non_null(((struct lysc_type_num *)type)->range->parts);
+    assert_int_equal(2, LY_ARRAY_COUNT(((struct lysc_type_num *)type)->range->parts));
+    assert_int_equal(INT64_C(-2147483648), ((struct lysc_type_num *)type)->range->parts[0].min_64);
+    assert_int_equal(10, ((struct lysc_type_num *)type)->range->parts[0].max_64);
+    assert_int_equal(INT64_C(2147483647), ((struct lysc_type_num *)type)->range->parts[1].min_64);
+    assert_int_equal(INT64_C(2147483647), ((struct lysc_type_num *)type)->range->parts[1].max_64);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module d {namespace urn:d;prefix d;leaf l {type int64 {range min..10|max;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_INT64, type->basetype);
+    assert_non_null(((struct lysc_type_num *)type)->range);
+    assert_non_null(((struct lysc_type_num *)type)->range->parts);
+    assert_int_equal(2, LY_ARRAY_COUNT(((struct lysc_type_num *)type)->range->parts));
+    assert_int_equal(INT64_C(-9223372036854775807) - INT64_C(1), ((struct lysc_type_num *)type)->range->parts[0].min_64);
+    assert_int_equal(10, ((struct lysc_type_num *)type)->range->parts[0].max_64);
+    assert_int_equal(INT64_C(9223372036854775807), ((struct lysc_type_num *)type)->range->parts[1].min_64);
+    assert_int_equal(INT64_C(9223372036854775807), ((struct lysc_type_num *)type)->range->parts[1].max_64);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module e {namespace urn:e;prefix e;leaf l {type uint8 {range min..10|max;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_UINT8, type->basetype);
+    assert_non_null(((struct lysc_type_num *)type)->range);
+    assert_non_null(((struct lysc_type_num *)type)->range->parts);
+    assert_int_equal(2, LY_ARRAY_COUNT(((struct lysc_type_num *)type)->range->parts));
+    assert_int_equal(0, ((struct lysc_type_num *)type)->range->parts[0].min_u64);
+    assert_int_equal(10, ((struct lysc_type_num *)type)->range->parts[0].max_u64);
+    assert_int_equal(255, ((struct lysc_type_num *)type)->range->parts[1].min_u64);
+    assert_int_equal(255, ((struct lysc_type_num *)type)->range->parts[1].max_u64);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module f {namespace urn:f;prefix f;leaf l {type uint16 {range min..10|max;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_UINT16, type->basetype);
+    assert_non_null(((struct lysc_type_num *)type)->range);
+    assert_non_null(((struct lysc_type_num *)type)->range->parts);
+    assert_int_equal(2, LY_ARRAY_COUNT(((struct lysc_type_num *)type)->range->parts));
+    assert_int_equal(0, ((struct lysc_type_num *)type)->range->parts[0].min_u64);
+    assert_int_equal(10, ((struct lysc_type_num *)type)->range->parts[0].max_u64);
+    assert_int_equal(65535, ((struct lysc_type_num *)type)->range->parts[1].min_u64);
+    assert_int_equal(65535, ((struct lysc_type_num *)type)->range->parts[1].max_u64);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module g {namespace urn:g;prefix g;leaf l {type uint32 {range min..10|max;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_UINT32, type->basetype);
+    assert_non_null(((struct lysc_type_num *)type)->range);
+    assert_non_null(((struct lysc_type_num *)type)->range->parts);
+    assert_int_equal(2, LY_ARRAY_COUNT(((struct lysc_type_num *)type)->range->parts));
+    assert_int_equal(0, ((struct lysc_type_num *)type)->range->parts[0].min_u64);
+    assert_int_equal(10, ((struct lysc_type_num *)type)->range->parts[0].max_u64);
+    assert_int_equal(UINT64_C(4294967295), ((struct lysc_type_num *)type)->range->parts[1].min_u64);
+    assert_int_equal(UINT64_C(4294967295), ((struct lysc_type_num *)type)->range->parts[1].max_u64);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module h {namespace urn:h;prefix h;leaf l {type uint64 {range min..10|max;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_UINT64, type->basetype);
+    assert_non_null(((struct lysc_type_num *)type)->range);
+    assert_non_null(((struct lysc_type_num *)type)->range->parts);
+    assert_int_equal(2, LY_ARRAY_COUNT(((struct lysc_type_num *)type)->range->parts));
+    assert_int_equal(0, ((struct lysc_type_num *)type)->range->parts[0].min_u64);
+    assert_int_equal(10, ((struct lysc_type_num *)type)->range->parts[0].max_u64);
+    assert_int_equal(UINT64_C(18446744073709551615), ((struct lysc_type_num *)type)->range->parts[1].min_u64);
+    assert_int_equal(UINT64_C(18446744073709551615), ((struct lysc_type_num *)type)->range->parts[1].max_u64);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module i {namespace urn:i;prefix i;typedef mytype {type uint8 {range 10..100;}}"
+            "typedef mytype2 {type mytype;} leaf l {type mytype2;}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(3, type->refcount);
+    assert_int_equal(LY_TYPE_UINT8, type->basetype);
+    assert_non_null(((struct lysc_type_num *)type)->range);
+    assert_non_null(((struct lysc_type_num *)type)->range->parts);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_num *)type)->range->parts));
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module j {namespace urn:j;prefix j;"
+            "typedef mytype {type uint8 {range 1..100{description \"one to hundred\";reference A;}}}"
+            "leaf l {type mytype {range 1..10 {description \"one to ten\";reference B;}}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(1, type->refcount);
+    assert_int_equal(LY_TYPE_UINT8, type->basetype);
+    assert_non_null(((struct lysc_type_num *)type)->range);
+    assert_string_equal("one to ten", ((struct lysc_type_num *)type)->range->dsc);
+    assert_string_equal("B", ((struct lysc_type_num *)type)->range->ref);
+    assert_non_null(((struct lysc_type_num *)type)->range->parts);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_num *)type)->range->parts));
+    assert_int_equal(1, ((struct lysc_type_num *)type)->range->parts[0].min_u64);
+    assert_int_equal(10, ((struct lysc_type_num *)type)->range->parts[0].max_u64);
+}
+
+static void
+test_type_length(void **state)
+{
+    struct lys_module *mod;
+    struct lysc_type *type;
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a {namespace urn:a;prefix a;leaf l {type binary {length min {error-app-tag errortag;error-message error;}}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_non_null(((struct lysc_type_bin *)type)->length);
+    assert_non_null(((struct lysc_type_bin *)type)->length->parts);
+    assert_string_equal("errortag", ((struct lysc_type_bin *)type)->length->eapptag);
+    assert_string_equal("error", ((struct lysc_type_bin *)type)->length->emsg);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_bin *)type)->length->parts));
+    assert_int_equal(0, ((struct lysc_type_bin *)type)->length->parts[0].min_u64);
+    assert_int_equal(0, ((struct lysc_type_bin *)type)->length->parts[0].max_u64);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module b {namespace urn:b;prefix b;leaf l {type binary {length max;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_non_null(((struct lysc_type_bin *)type)->length);
+    assert_non_null(((struct lysc_type_bin *)type)->length->parts);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_bin *)type)->length->parts));
+    assert_int_equal(UINT64_C(18446744073709551615), ((struct lysc_type_bin *)type)->length->parts[0].min_u64);
+    assert_int_equal(UINT64_C(18446744073709551615), ((struct lysc_type_bin *)type)->length->parts[0].max_u64);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module c {namespace urn:c;prefix c;leaf l {type binary {length min..max;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_non_null(((struct lysc_type_bin *)type)->length);
+    assert_non_null(((struct lysc_type_bin *)type)->length->parts);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_bin *)type)->length->parts));
+    assert_int_equal(0, ((struct lysc_type_bin *)type)->length->parts[0].min_u64);
+    assert_int_equal(UINT64_C(18446744073709551615), ((struct lysc_type_bin *)type)->length->parts[0].max_u64);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module d {namespace urn:d;prefix d;leaf l {type binary {length 5;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_non_null(((struct lysc_type_bin *)type)->length);
+    assert_non_null(((struct lysc_type_bin *)type)->length->parts);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_bin *)type)->length->parts));
+    assert_int_equal(5, ((struct lysc_type_bin *)type)->length->parts[0].min_u64);
+    assert_int_equal(5, ((struct lysc_type_bin *)type)->length->parts[0].max_u64);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module e {namespace urn:e;prefix e;leaf l {type binary {length 1..10;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_non_null(((struct lysc_type_bin *)type)->length);
+    assert_non_null(((struct lysc_type_bin *)type)->length->parts);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_bin *)type)->length->parts));
+    assert_int_equal(1, ((struct lysc_type_bin *)type)->length->parts[0].min_u64);
+    assert_int_equal(10, ((struct lysc_type_bin *)type)->length->parts[0].max_u64);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module f {namespace urn:f;prefix f;leaf l {type binary {length 1..10|20..30;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_non_null(((struct lysc_type_bin *)type)->length);
+    assert_non_null(((struct lysc_type_bin *)type)->length->parts);
+    assert_int_equal(2, LY_ARRAY_COUNT(((struct lysc_type_bin *)type)->length->parts));
+    assert_int_equal(1, ((struct lysc_type_bin *)type)->length->parts[0].min_u64);
+    assert_int_equal(10, ((struct lysc_type_bin *)type)->length->parts[0].max_u64);
+    assert_int_equal(20, ((struct lysc_type_bin *)type)->length->parts[1].min_u64);
+    assert_int_equal(30, ((struct lysc_type_bin *)type)->length->parts[1].max_u64);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module g {namespace urn:g;prefix g;leaf l {type binary {length \"16 | 32\";}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_non_null(((struct lysc_type_bin *)type)->length);
+    assert_non_null(((struct lysc_type_bin *)type)->length->parts);
+    assert_int_equal(2, LY_ARRAY_COUNT(((struct lysc_type_bin *)type)->length->parts));
+    assert_int_equal(16, ((struct lysc_type_bin *)type)->length->parts[0].min_u64);
+    assert_int_equal(16, ((struct lysc_type_bin *)type)->length->parts[0].max_u64);
+    assert_int_equal(32, ((struct lysc_type_bin *)type)->length->parts[1].min_u64);
+    assert_int_equal(32, ((struct lysc_type_bin *)type)->length->parts[1].max_u64);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module h {namespace urn:h;prefix h;typedef mytype {type binary {length 10;}}"
+            "leaf l {type mytype {length \"10\";}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_non_null(((struct lysc_type_bin *)type)->length);
+    assert_non_null(((struct lysc_type_bin *)type)->length->parts);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_bin *)type)->length->parts));
+    assert_int_equal(10, ((struct lysc_type_bin *)type)->length->parts[0].min_u64);
+    assert_int_equal(10, ((struct lysc_type_bin *)type)->length->parts[0].max_u64);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module i {namespace urn:i;prefix i;typedef mytype {type binary {length 10..100;}}"
+            "leaf l {type mytype {length \"50\";}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_non_null(((struct lysc_type_bin *)type)->length);
+    assert_non_null(((struct lysc_type_bin *)type)->length->parts);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_bin *)type)->length->parts));
+    assert_int_equal(50, ((struct lysc_type_bin *)type)->length->parts[0].min_u64);
+    assert_int_equal(50, ((struct lysc_type_bin *)type)->length->parts[0].max_u64);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module j {namespace urn:j;prefix j;typedef mytype {type binary {length 10..100;}}"
+            "leaf l {type mytype {length \"10..30|60..100\";}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_non_null(((struct lysc_type_bin *)type)->length);
+    assert_non_null(((struct lysc_type_bin *)type)->length->parts);
+    assert_int_equal(2, LY_ARRAY_COUNT(((struct lysc_type_bin *)type)->length->parts));
+    assert_int_equal(10, ((struct lysc_type_bin *)type)->length->parts[0].min_u64);
+    assert_int_equal(30, ((struct lysc_type_bin *)type)->length->parts[0].max_u64);
+    assert_int_equal(60, ((struct lysc_type_bin *)type)->length->parts[1].min_u64);
+    assert_int_equal(100, ((struct lysc_type_bin *)type)->length->parts[1].max_u64);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module k {namespace urn:k;prefix k;typedef mytype {type binary {length 10..100;}}"
+            "leaf l {type mytype {length \"10..80\";}}leaf ll {type mytype;}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(1, type->refcount);
+    assert_non_null(((struct lysc_type_bin *)type)->length);
+    assert_non_null(((struct lysc_type_bin *)type)->length->parts);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_bin *)type)->length->parts));
+    assert_int_equal(10, ((struct lysc_type_bin *)type)->length->parts[0].min_u64);
+    assert_int_equal(80, ((struct lysc_type_bin *)type)->length->parts[0].max_u64);
+    type = ((struct lysc_node_leaf *)mod->compiled->data->next)->type;
+    assert_non_null(type);
+    assert_int_equal(2, type->refcount);
+    assert_non_null(((struct lysc_type_bin *)type)->length);
+    assert_non_null(((struct lysc_type_bin *)type)->length->parts);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_bin *)type)->length->parts));
+    assert_int_equal(10, ((struct lysc_type_bin *)type)->length->parts[0].min_u64);
+    assert_int_equal(100, ((struct lysc_type_bin *)type)->length->parts[0].max_u64);
+
+    /* new string is tested in file ./tests/utests/types/string.c */
+#if 0
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module l {namespace urn:l;prefix l;typedef mytype {type string {length 10..100;}}"
+            "typedef mytype2 {type mytype {pattern '[0-9]*';}} leaf l {type mytype2 {pattern '[0-4]*';}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_STRING, type->basetype);
+    assert_int_equal(1, type->refcount);
+    assert_non_null(((struct lysc_type_str *)type)->length);
+    assert_non_null(((struct lysc_type_str *)type)->length->parts);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_str *)type)->length->parts));
+    assert_int_equal(10, ((struct lysc_type_str *)type)->length->parts[0].min_u64);
+    assert_int_equal(100, ((struct lysc_type_str *)type)->length->parts[0].max_u64);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module m {namespace urn:m;prefix m;typedef mytype {type string {length 10;}}"
+            "leaf l {type mytype {length min..max;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_STRING, type->basetype);
+    assert_int_equal(1, type->refcount);
+    assert_non_null(((struct lysc_type_str *)type)->length);
+    assert_non_null(((struct lysc_type_str *)type)->length->parts);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_str *)type)->length->parts));
+    assert_int_equal(10, ((struct lysc_type_str *)type)->length->parts[0].min_u64);
+    assert_int_equal(10, ((struct lysc_type_str *)type)->length->parts[0].max_u64);
+#endif
+
+    /* invalid values */
+    assert_int_equal(LY_EDENIED, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa;leaf l {type binary {length -10;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid length restriction - value \"-10\" does not fit the type limitations.", "/aa:l");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module bb {namespace urn:bb;prefix bb;leaf l {type binary {length 18446744073709551616;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid length restriction - invalid value \"18446744073709551616\".", "/bb:l");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module cc {namespace urn:cc;prefix cc;leaf l {type binary {length \"max .. 10\";}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid length restriction - unexpected data after max keyword (.. 10).", "/cc:l");
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, "module dd {namespace urn:dd;prefix dd;leaf l {type binary {length 50..10;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid length restriction - values are not in ascending order (10).", "/dd:l");
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, "module ee {namespace urn:ee;prefix ee;leaf l {type binary {length \"50 | 10\";}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid length restriction - values are not in ascending order (10).", "/ee:l");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ff {namespace urn:ff;prefix ff;leaf l {type binary {length \"x\";}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid length restriction - unexpected data (x).", "/ff:l");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module gg {namespace urn:gg;prefix gg;leaf l {type binary {length \"50 | min\";}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid length restriction - unexpected data before min keyword (50 | ).", "/gg:l");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module hh {namespace urn:hh;prefix hh;leaf l {type binary {length \"| 50\";}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid length restriction - unexpected beginning of the expression (| 50).", "/hh:l");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ii {namespace urn:ii;prefix ii;leaf l {type binary {length \"10 ..\";}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid length restriction - unexpected end of the expression after \"..\" (10 ..).", "/ii:l");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module jj {namespace urn:jj;prefix jj;leaf l {type binary {length \".. 10\";}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid length restriction - unexpected \"..\" without a lower bound.", "/jj:l");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module kk {namespace urn:kk;prefix kk;leaf l {type binary {length \"10 |\";}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid length restriction - unexpected end of the expression (10 |).", "/kk:l");
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, "module kl {namespace urn:kl;prefix kl;leaf l {type binary {length \"10..20 | 15..30\";}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid length restriction - values are not in ascending order (15).", "/kl:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ll {namespace urn:ll;prefix ll;typedef mytype {type binary {length 10;}}"
+            "leaf l {type mytype {length 11;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid length restriction - the derived restriction (11) is not equally or more limiting.", "/ll:l");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module mm {namespace urn:mm;prefix mm;typedef mytype {type binary {length 10..100;}}"
+            "leaf l {type mytype {length 1..11;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid length restriction - the derived restriction (1..11) is not equally or more limiting.", "/mm:l");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module nn {namespace urn:nn;prefix nn;typedef mytype {type binary {length 10..100;}}"
+            "leaf l {type mytype {length 20..110;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid length restriction - the derived restriction (20..110) is not equally or more limiting.", "/nn:l");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module oo {namespace urn:oo;prefix oo;typedef mytype {type binary {length 10..100;}}"
+            "leaf l {type mytype {length 20..30|110..120;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid length restriction - the derived restriction (20..30|110..120) is not equally or more limiting.", "/oo:l");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module pp {namespace urn:pp;prefix pp;typedef mytype {type binary {length 10..11;}}"
+            "leaf l {type mytype {length 15;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid length restriction - the derived restriction (15) is not equally or more limiting.", "/pp:l");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module qq {namespace urn:qq;prefix qq;typedef mytype {type binary {length 10..20|30..40;}}"
+            "leaf l {type mytype {length 15..35;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid length restriction - the derived restriction (15..35) is not equally or more limiting.", "/qq:l");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module rr {namespace urn:rr;prefix rr;typedef mytype {type binary {length 10;}}"
+            "leaf l {type mytype {length 10..35;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid length restriction - the derived restriction (10..35) is not equally or more limiting.", "/rr:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ss {namespace urn:ss;prefix ss;leaf l {type binary {pattern '[0-9]*';}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid type restrictions for binary type.", "/ss:l");
+}
+
+static void
+test_type_pattern(void **state)
+{
+    struct lys_module *mod;
+    struct lysc_type *type;
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a {yang-version 1.1; namespace urn:a;prefix a;leaf l {type string {"
+            "pattern .* {error-app-tag errortag;error-message error;}"
+            "pattern [0-9].*[0-9] {modifier invert-match;}}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_non_null(((struct lysc_type_str *)type)->patterns);
+    assert_int_equal(2, LY_ARRAY_COUNT(((struct lysc_type_str *)type)->patterns));
+    assert_string_equal("errortag", ((struct lysc_type_str *)type)->patterns[0]->eapptag);
+    assert_string_equal("error", ((struct lysc_type_str *)type)->patterns[0]->emsg);
+    assert_string_equal(".*", ((struct lysc_type_str *)type)->patterns[0]->expr);
+    assert_int_equal(0, ((struct lysc_type_str *)type)->patterns[0]->inverted);
+    assert_null(((struct lysc_type_str *)type)->patterns[1]->eapptag);
+    assert_null(((struct lysc_type_str *)type)->patterns[1]->emsg);
+    assert_string_equal("[0-9].*[0-9]", ((struct lysc_type_str *)type)->patterns[1]->expr);
+    assert_int_equal(1, ((struct lysc_type_str *)type)->patterns[1]->inverted);
+
+    /* new string is tested in file ./tests/utests/types/string.c */
+#if 0
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module b {namespace urn:b;prefix b;typedef mytype {type string {pattern '[0-9]*';}}"
+            "typedef mytype2 {type mytype {length 10;}} leaf l {type mytype2 {pattern '[0-4]*';}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_STRING, type->basetype);
+    assert_int_equal(1, type->refcount);
+    assert_non_null(((struct lysc_type_str *)type)->patterns);
+    assert_int_equal(2, LY_ARRAY_COUNT(((struct lysc_type_str *)type)->patterns));
+    assert_string_equal("[0-9]*", ((struct lysc_type_str *)type)->patterns[0]->expr);
+    assert_int_equal(3, ((struct lysc_type_str *)type)->patterns[0]->refcount);
+    assert_string_equal("[0-4]*", ((struct lysc_type_str *)type)->patterns[1]->expr);
+    assert_int_equal(1, ((struct lysc_type_str *)type)->patterns[1]->refcount);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module c {namespace urn:c;prefix c;typedef mytype {type string {pattern '[0-9]*';}}"
+            "leaf l {type mytype {length 10;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_STRING, type->basetype);
+    assert_int_equal(1, type->refcount);
+    assert_non_null(((struct lysc_type_str *)type)->patterns);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_str *)type)->patterns));
+    assert_string_equal("[0-9]*", ((struct lysc_type_str *)type)->patterns[0]->expr);
+    assert_int_equal(2, ((struct lysc_type_str *)type)->patterns[0]->refcount);
+
+    /* test substitutions */
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module d {namespace urn:d;prefix d;leaf l {type string {"
+            "pattern '^\\p{IsLatinExtended-A}$';}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_non_null(((struct lysc_type_str *)type)->patterns);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_str *)type)->patterns));
+    assert_string_equal("^\\p{IsLatinExtended-A}$", ((struct lysc_type_str *)type)->patterns[0]->expr);
+#endif
+
+    /* TODO check some data "^ř$" */
+}
+
+static void
+test_type_enum(void **state)
+{
+    struct lys_module *mod;
+    struct lysc_type *type;
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a {yang-version 1.1; namespace urn:a;prefix a;feature f; leaf l {type enumeration {"
+            "enum automin; enum min {value -2147483648;}enum one {if-feature f; value 1;}"
+            "enum two; enum seven {value 7;}enum eight;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_ENUM, type->basetype);
+    assert_non_null(((struct lysc_type_enum *)type)->enums);
+    assert_int_equal(5, LY_ARRAY_COUNT(((struct lysc_type_enum *)type)->enums));
+    assert_string_equal("automin", ((struct lysc_type_enum *)type)->enums[0].name);
+    assert_int_equal(0, ((struct lysc_type_enum *)type)->enums[0].value);
+    assert_string_equal("min", ((struct lysc_type_enum *)type)->enums[1].name);
+    assert_int_equal(INT64_C(-2147483648), ((struct lysc_type_enum *)type)->enums[1].value);
+    assert_string_equal("two", ((struct lysc_type_enum *)type)->enums[2].name);
+    assert_int_equal(2, ((struct lysc_type_enum *)type)->enums[2].value);
+    assert_string_equal("seven", ((struct lysc_type_enum *)type)->enums[3].name);
+    assert_int_equal(7, ((struct lysc_type_enum *)type)->enums[3].value);
+    assert_string_equal("eight", ((struct lysc_type_enum *)type)->enums[4].name);
+    assert_int_equal(8, ((struct lysc_type_enum *)type)->enums[4].value);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module b {yang-version 1.1; namespace urn:b;prefix b;feature f; typedef mytype {type enumeration {"
+            "enum 11; enum min {value -2147483648;}enum x$&;"
+            "enum two; enum seven {value 7;}enum eight;}} leaf l { type mytype {enum seven;enum eight;}}}",
+            LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_ENUM, type->basetype);
+    assert_non_null(((struct lysc_type_enum *)type)->enums);
+    assert_int_equal(2, LY_ARRAY_COUNT(((struct lysc_type_enum *)type)->enums));
+    assert_string_equal("seven", ((struct lysc_type_enum *)type)->enums[0].name);
+    assert_int_equal(7, ((struct lysc_type_enum *)type)->enums[0].value);
+    assert_string_equal("eight", ((struct lysc_type_enum *)type)->enums[1].name);
+    assert_int_equal(8, ((struct lysc_type_enum *)type)->enums[1].value);
+
+    const char *new_module = "module moc_c {yang-version 1.1; namespace urn:moc_c;prefix moc_c;feature f; typedef mytype {type enumeration {"
+            "enum first{value -270;} enum second; enum third {value -400;} enum fourth;}} leaf l { type mytype;}}";
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, new_module, LYS_IN_YANG, &mod));
+
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_ENUM, type->basetype);
+    assert_non_null(((struct lysc_type_enum *)type)->enums);
+    assert_int_equal(4, LY_ARRAY_COUNT(((struct lysc_type_enum *)type)->enums));
+    assert_string_equal("first", ((struct lysc_type_enum *)type)->enums[0].name);
+    assert_int_equal(-270, ((struct lysc_type_enum *)type)->enums[0].value);
+    assert_string_equal("second", ((struct lysc_type_enum *)type)->enums[1].name);
+    assert_int_equal(-269, ((struct lysc_type_enum *)type)->enums[1].value);
+    assert_string_equal("third", ((struct lysc_type_enum *)type)->enums[2].name);
+    assert_int_equal(-400, ((struct lysc_type_enum *)type)->enums[2].value);
+    assert_string_equal("fourth", ((struct lysc_type_enum *)type)->enums[3].name);
+    assert_int_equal(-268, ((struct lysc_type_enum *)type)->enums[3].value);
+
+    new_module = "module moc_d {yang-version 1.1; namespace urn:moc_d;prefix moc_d;feature f; typedef mytype {type enumeration {"
+            "enum first; enum second;}} leaf l { type mytype;}}";
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, new_module, LYS_IN_YANG, &mod));
+
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_ENUM, type->basetype);
+    assert_non_null(((struct lysc_type_enum *)type)->enums);
+    assert_int_equal(2, LY_ARRAY_COUNT(((struct lysc_type_enum *)type)->enums));
+    assert_string_equal("first", ((struct lysc_type_enum *)type)->enums[0].name);
+    assert_int_equal(0, ((struct lysc_type_enum *)type)->enums[0].value);
+    assert_string_equal("second", ((struct lysc_type_enum *)type)->enums[1].name);
+    assert_int_equal(1, ((struct lysc_type_enum *)type)->enums[1].value);
+
+    /* invalid cases */
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa; feature f; leaf l {type enumeration {"
+            "enum one {if-feature f;}}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Parsing module \"aa\" failed.", NULL,
+            "Invalid keyword \"if-feature\" as a child of \"enum\" - the statement is allowed only in YANG 1.1 modules.", "Line number 1.");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa; leaf l {type enumeration {"
+            "enum one {value -2147483649;}}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Parsing module \"aa\" failed.", NULL,
+            "Invalid value \"-2147483649\" of \"value\".", "Line number 1.");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa; leaf l {type enumeration {"
+            "enum one {value 2147483648;}}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Parsing module \"aa\" failed.", NULL,
+            "Invalid value \"2147483648\" of \"value\".", "Line number 1.");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa; leaf l {type enumeration {"
+            "enum one; enum one;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Parsing module \"aa\" failed.", NULL,
+            "Duplicate identifier \"one\" of enum statement.", "Line number 1.");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa; leaf l {type enumeration {"
+            "enum '';}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Parsing module \"aa\" failed.", NULL,
+            "Enum name must not be zero-length.", "Line number 1.");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa; leaf l {type enumeration {"
+            "enum ' x';}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Parsing module \"aa\" failed.", NULL,
+            "Enum name must not have any leading or trailing whitespaces (\" x\").", "Line number 1.");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa; leaf l {type enumeration {"
+            "enum 'x ';}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Parsing module \"aa\" failed.", NULL,
+            "Enum name must not have any leading or trailing whitespaces (\"x \").", "Line number 1.");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa; leaf l {type enumeration {"
+            "enum 'inva\nlid';}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Control characters in enum name should be avoided (\"inva\nlid\", character number 5).", NULL);
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module bb {namespace urn:bb;prefix bb; leaf l {type enumeration;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Missing enum substatement for enumeration type.", "/bb:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module cc {yang-version 1.1;namespace urn:cc;prefix cc;typedef mytype {type enumeration {enum one;}}"
+            "leaf l {type mytype {enum two;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid enumeration - derived type adds new item \"two\".", "/cc:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module dd {yang-version 1.1;namespace urn:dd;prefix dd;typedef mytype {type enumeration {enum one;}}"
+            "leaf l {type mytype {enum one {value 1;}}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid enumeration - value of the item \"one\" has changed from 0 to 1 in the derived type.", "/dd:l");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ee {namespace urn:ee;prefix ee;leaf l {type enumeration {enum x {value 2147483647;}enum y;}}}",
+            LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid enumeration - it is not possible to auto-assign enum value for \"y\" since the highest value is already 2147483647.", "/ee:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ff {namespace urn:ff;prefix ff;leaf l {type enumeration {enum x {value 1;}enum y {value 1;}}}}",
+            LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid enumeration - value 1 collide in items \"y\" and \"x\".", "/ff:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module gg {namespace urn:gg;prefix gg;typedef mytype {type enumeration;}"
+            "leaf l {type mytype {enum one;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Missing enum substatement for enumeration type mytype.", "/gg:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module hh {namespace urn:hh;prefix hh; typedef mytype {type enumeration {enum one;}}"
+            "leaf l {type mytype {enum one;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Enumeration type can be subtyped only in YANG 1.1 modules.", "/hh:l");
+}
+
+static void
+test_type_dec64(void **state)
+{
+    struct lys_module *mod;
+    struct lysc_type *type;
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a {namespace urn:a;prefix a;leaf l {type decimal64 {"
+            "fraction-digits 2;range min..max;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_DEC64, type->basetype);
+    assert_int_equal(2, ((struct lysc_type_dec *)type)->fraction_digits);
+    assert_non_null(((struct lysc_type_dec *)type)->range);
+    assert_non_null(((struct lysc_type_dec *)type)->range->parts);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_dec *)type)->range->parts));
+    assert_int_equal(INT64_C(-9223372036854775807) - INT64_C(1), ((struct lysc_type_dec *)type)->range->parts[0].min_64);
+    assert_int_equal(INT64_C(9223372036854775807), ((struct lysc_type_dec *)type)->range->parts[0].max_64);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module b {namespace urn:b;prefix b;typedef mytype {type decimal64 {"
+            "fraction-digits 2;range '3.14 | 5.1 | 10';}}leaf l {type mytype;}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_DEC64, type->basetype);
+    assert_int_equal(2, ((struct lysc_type_dec *)type)->fraction_digits);
+    assert_non_null(((struct lysc_type_dec *)type)->range);
+    assert_non_null(((struct lysc_type_dec *)type)->range->parts);
+    assert_int_equal(3, LY_ARRAY_COUNT(((struct lysc_type_dec *)type)->range->parts));
+    assert_int_equal(314, ((struct lysc_type_dec *)type)->range->parts[0].min_64);
+    assert_int_equal(314, ((struct lysc_type_dec *)type)->range->parts[0].max_64);
+    assert_int_equal(510, ((struct lysc_type_dec *)type)->range->parts[1].min_64);
+    assert_int_equal(510, ((struct lysc_type_dec *)type)->range->parts[1].max_64);
+    assert_int_equal(1000, ((struct lysc_type_dec *)type)->range->parts[2].min_64);
+    assert_int_equal(1000, ((struct lysc_type_dec *)type)->range->parts[2].max_64);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module c {namespace urn:c;prefix c;typedef mytype {type decimal64 {"
+            "fraction-digits 2;range '1 .. 65535';}}leaf l {type mytype;}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_int_equal(LY_TYPE_DEC64, type->basetype);
+    assert_int_equal(2, ((struct lysc_type_dec *)type)->fraction_digits);
+    assert_non_null(((struct lysc_type_dec *)type)->range);
+    assert_non_null(((struct lysc_type_dec *)type)->range->parts);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_dec *)type)->range->parts));
+    assert_int_equal(100, ((struct lysc_type_dec *)type)->range->parts[0].min_64);
+    assert_int_equal(6553500, ((struct lysc_type_dec *)type)->range->parts[0].max_64);
+
+    /* invalid cases */
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa; leaf l {type decimal64 {fraction-digits 0;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Parsing module \"aa\" failed.", NULL,
+            "Invalid value \"0\" of \"fraction-digits\".", "Line number 1.");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa; leaf l {type decimal64 {fraction-digits -1;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Parsing module \"aa\" failed.", NULL,
+            "Invalid value \"-1\" of \"fraction-digits\".", "Line number 1.");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa; leaf l {type decimal64 {fraction-digits 19;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Parsing module \"aa\" failed.", NULL,
+            "Value \"19\" is out of \"fraction-digits\" bounds.", "Line number 1.");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa; leaf l {type decimal64;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Missing fraction-digits substatement for decimal64 type.", "/aa:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ab {namespace urn:ab;prefix ab; typedef mytype {type decimal64;}leaf l {type mytype;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Missing fraction-digits substatement for decimal64 type mytype.", "/ab:l");
+
+    assert_int_equal(LY_EINVAL, lys_parse_mem(UTEST_LYCTX, "module bb {namespace urn:bb;prefix bb; leaf l {type decimal64 {fraction-digits 2;"
+            "range '3.142';}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Range boundary \"3.142\" of decimal64 type exceeds defined number (2) of fraction digits.", "/bb:l");
+
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, "module cc {namespace urn:cc;prefix cc; leaf l {type decimal64 {fraction-digits 2;"
+            "range '4 | 3.14';}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid range restriction - values are not in ascending order (3.14).", "/cc:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module dd {namespace urn:dd;prefix dd; typedef mytype {type decimal64 {fraction-digits 2;}}"
+            "leaf l {type mytype {fraction-digits 3;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid fraction-digits substatement for type not directly derived from decimal64 built-in type.", "/dd:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module de {namespace urn:de;prefix de; typedef mytype {type decimal64 {fraction-digits 2;}}"
+            "typedef mytype2 {type mytype {fraction-digits 3;}}leaf l {type mytype2;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid fraction-digits substatement for type \"mytype2\" not directly derived from decimal64 built-in type.", "/de:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ee {namespace urn:ee;prefix ee;typedef mytype {type decimal64 {"
+            "fraction-digits 18;range '-10 .. 0';}}leaf l {type mytype;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid range restriction - invalid value \"-10000000000000000000\".", "/ee:l");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ee {namespace urn:ee;prefix ee;typedef mytype {type decimal64 {"
+            "fraction-digits 18;range '0 .. 10';}}leaf l {type mytype;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid range restriction - invalid value \"10000000000000000000\".", "/ee:l");
+}
+
+static void
+test_type_instanceid(void **state)
+{
+    struct lys_module *mod;
+    struct lysc_type *type;
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a {namespace urn:a;prefix a;typedef mytype {type instance-identifier {require-instance false;}}"
+            "leaf l1 {type instance-identifier {require-instance true;}}"
+            "leaf l2 {type mytype;} leaf l3 {type instance-identifier;}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_INST, type->basetype);
+    assert_int_equal(1, ((struct lysc_type_instanceid *)type)->require_instance);
+
+    type = ((struct lysc_node_leaf *)mod->compiled->data->next)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_INST, type->basetype);
+    assert_int_equal(0, ((struct lysc_type_instanceid *)type)->require_instance);
+
+    type = ((struct lysc_node_leaf *)mod->compiled->data->next->next)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_INST, type->basetype);
+    assert_int_equal(1, ((struct lysc_type_instanceid *)type)->require_instance);
+
+    /* invalid cases */
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa; leaf l {type instance-identifier {require-instance yes;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Parsing module \"aa\" failed.", NULL,
+            "Invalid value \"yes\" of \"require-instance\".", "Line number 1.");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa; leaf l {type instance-identifier {fraction-digits 1;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid type restrictions for instance-identifier type.", "/aa:l");
+}
+
+static ly_bool
+identity_isderived(const struct lysc_ident *base, const char *der)
+{
+    LY_ARRAY_COUNT_TYPE u;
+
+    LY_ARRAY_FOR(base->derived, u) {
+        if (!strcmp(base->derived[u]->name, der)) {
+            return 1;
+        }
+        if (identity_isderived(base->derived[u], der)) {
+            return 1;
+        }
+    }
+    return 0;
+}
+
+static ly_bool
+contains_derived_identity(struct ly_ctx *ctx, char *module_name,
+        char *revision, char *identity_name, char *derived_name)
+{
+    LY_ARRAY_COUNT_TYPE u = 0;
+    struct lys_module *mod;
+    struct lysc_ident *identity = NULL;
+
+    if (!(mod = ly_ctx_get_module(ctx, module_name, revision))) {
+        return 0;
+    }
+
+    LY_ARRAY_FOR(mod->identities, u) {
+        if (!strcmp(identity_name, mod->identities[u].name)) {
+            identity = &mod->identities[u];
+            break;
+        }
+    }
+    if (!identity) {
+        return 0;
+    }
+
+    return identity_isderived(identity, derived_name);
+}
+
+static void
+test_identity(void **state)
+{
+    char *str;
+    const char *feats[2] = {NULL, NULL};
+    struct lyd_node *tree;
+    const char *data;
+
+#define RESET_CTX(CTX) \
+    ly_ctx_destroy(UTEST_LYCTX); \
+    assert_int_equal(LY_SUCCESS, ly_ctx_new(NULL, LY_CTX_DISABLE_SEARCHDIRS, &UTEST_LYCTX));
+
+    /* It does not matter whether the base identity is in implemented
+     * module or not.
+     */
+
+    /* Implemented module's identity expand base identity located in unimplemented module. */
+    str = "module a {namespace urn:a; prefix a;"
+            "identity baseid;"
+            "identity id1 {base baseid;}"
+            "}";
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, str);
+    str = "module b {namespace urn:b; prefix b; import a {prefix a;}"
+            "identity id2 {base a:baseid;}"
+            "leaf lf {type identityref {base a:baseid;}}"
+            "}";
+    UTEST_ADD_MODULE(str, LYS_IN_YANG, NULL, NULL);
+    assert_true(contains_derived_identity(UTEST_LYCTX, "a", NULL, "baseid", "id2"));
+    data = "<lf xmlns=\"urn:b\">id2</lf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, LYD_PARSE_STRICT, LYD_VALIDATE_PRESENT, LY_SUCCESS, tree);
+    lyd_free_tree(tree);
+    assert_true(contains_derived_identity(UTEST_LYCTX, "a", NULL, "baseid", "id1"));
+    data = "<lf xmlns=\"urn:b\" xmlns:ids=\"urn:a\">ids:id1</lf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, LYD_PARSE_STRICT, LYD_VALIDATE_PRESENT, LY_EVALID, tree);
+    CHECK_LOG("Invalid identityref \"ids:id1\" value - identity found in non-implemented module \"a\".",
+            "Schema location \"/b:lf\", line number 1.");
+    assert_non_null(ly_ctx_get_module(UTEST_LYCTX, "a", NULL));
+    assert_false(contains_derived_identity(UTEST_LYCTX, "a", NULL, "baseid", "id3"));
+    data = "<lf xmlns=\"urn:b\" xmlns:ids=\"urn:a\">ids:id3</lf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, LYD_PARSE_STRICT, LYD_VALIDATE_PRESENT, LY_EVALID, tree);
+    RESET_CTX(UTEST_LYCTX);
+
+    /* Unimplemented module (c) expand base identity located in unimplemented module. */
+    str = "module a {namespace urn:a; prefix a;"
+            "identity baseid;"
+            "identity id1 {base baseid;}"
+            "}\n"
+            "module c {namespace urn:c; prefix c; import a {prefix a;}"
+            "identity id3 {base a:baseid;}"
+            "}";
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, str);
+    str = "module b {namespace urn:b; prefix b; import a {prefix a;} import c {prefix c;}"
+            "identity id2 {base a:baseid;}"
+            "leaf lf {type identityref {base a:baseid;}}"
+            "}";
+    UTEST_ADD_MODULE(str, LYS_IN_YANG, NULL, NULL);
+    assert_true(contains_derived_identity(UTEST_LYCTX, "a", NULL, "baseid", "id2"));
+    data = "<lf xmlns=\"urn:b\">id2</lf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, LYD_PARSE_STRICT, LYD_VALIDATE_PRESENT, LY_SUCCESS, tree);
+    lyd_free_tree(tree);
+    assert_true(contains_derived_identity(UTEST_LYCTX, "a", NULL, "baseid", "id1"));
+    data = "<lf xmlns=\"urn:b\" xmlns:ids=\"urn:a\">ids:id1</lf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, LYD_PARSE_STRICT, LYD_VALIDATE_PRESENT, LY_EVALID, tree);
+    CHECK_LOG("Invalid identityref \"ids:id1\" value - identity found in non-implemented module \"a\".",
+            "Schema location \"/b:lf\", line number 1.");
+    assert_true(contains_derived_identity(UTEST_LYCTX, "a", NULL, "baseid", "id3"));
+    data = "<lf xmlns=\"urn:b\" xmlns:ids=\"urn:c\">ids:id3</lf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, LYD_PARSE_STRICT, LYD_VALIDATE_PRESENT, LY_EVALID, tree);
+    CHECK_LOG("Invalid identityref \"ids:id3\" value - identity found in non-implemented module \"c\".",
+            "Schema location \"/b:lf\", line number 1.");
+    RESET_CTX(UTEST_LYCTX);
+
+    /* Unimplemented module expand base identity located in implemented module. */
+    str = "module b {namespace urn:b; prefix b;"
+            "identity baseid;"
+            "identity id2 {base baseid;}"
+            "leaf lf {type identityref {base baseid;}}"
+            "}";
+    UTEST_ADD_MODULE(str, LYS_IN_YANG, NULL, NULL);
+    str = "module a {namespace urn:a; prefix a; import b {prefix b;}"
+            "identity id1 {base b:baseid;}"
+            "}";
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, str);
+    /* load (but don't implement) module (a) into context by module (c) */
+    str = "module c {namespace urn:c; prefix c; import a {prefix a;}}";
+    UTEST_ADD_MODULE(str, LYS_IN_YANG, NULL, NULL);
+    assert_true(contains_derived_identity(UTEST_LYCTX, "b", NULL, "baseid", "id2"));
+    data = "<lf xmlns=\"urn:b\">id2</lf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, LYD_PARSE_STRICT, LYD_VALIDATE_PRESENT, LY_SUCCESS, tree);
+    lyd_free_tree(tree);
+    assert_true(contains_derived_identity(UTEST_LYCTX, "b", NULL, "baseid", "id1"));
+    data = "<lf xmlns=\"urn:b\" xmlns:ids=\"urn:a\">ids:id1</lf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, LYD_PARSE_STRICT, LYD_VALIDATE_PRESENT, LY_EVALID, tree);
+    CHECK_LOG("Invalid identityref \"ids:id1\" value - identity found in non-implemented module \"a\".",
+            "Schema location \"/b:lf\", line number 1.");
+    RESET_CTX(UTEST_LYCTX);
+
+    /* Transitivity of derived identity through unimplemented module. */
+    str = "module a {namespace urn:a; prefix a;"
+            "identity baseid;"
+            "identity id1 {base baseid;}"
+            "}\n"
+            "module c {namespace urn:c; prefix c; import a {prefix a;}"
+            "identity id3 {base a:baseid;}"
+            "}";
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, str);
+    str = "module b {namespace urn:b; prefix b; import c {prefix c;} import a {prefix a;}"
+            "identity id2 {base c:id3;}"
+            "leaf lf {type identityref {base a:baseid;}}"
+            "}";
+    UTEST_ADD_MODULE(str, LYS_IN_YANG, NULL, NULL);
+    assert_true(contains_derived_identity(UTEST_LYCTX, "a", NULL, "baseid", "id2"));
+    data = "<lf xmlns=\"urn:b\">id2</lf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, LYD_PARSE_STRICT, LYD_VALIDATE_PRESENT, LY_SUCCESS, tree);
+    lyd_free_tree(tree);
+    assert_true(contains_derived_identity(UTEST_LYCTX, "a", NULL, "baseid", "id1"));
+    data = "<lf xmlns=\"urn:b\">id1</lf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, LYD_PARSE_STRICT, LYD_VALIDATE_PRESENT, LY_EVALID, tree);
+    assert_true(contains_derived_identity(UTEST_LYCTX, "a", NULL, "baseid", "id3"));
+    data = "<lf xmlns=\"urn:b\">id3</lf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, LYD_PARSE_STRICT, LYD_VALIDATE_PRESENT, LY_EVALID, tree);
+    RESET_CTX(UTEST_LYCTX);
+
+    /* The base reference must not refer to a non-existent module,
+     * even if the module is not implemented.
+     */
+    str = "module b {namespace urn:b; prefix b;"
+            "identity ident { base a:baseid;}"
+            "}";
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, str);
+    /* load (but don't implement) module (b) into context by module (c) */
+    str = "module c {namespace urn:c; prefix c; import b {prefix b;}}";
+    UTEST_INVALID_MODULE(str, LYS_IN_YANG, NULL, LY_EVALID);
+    RESET_CTX(UTEST_LYCTX);
+
+    /* Tests in which multiple revisions are available and the import
+     * does not specify an exact revision.
+     */
+
+    /* The old revision was soon implemented
+     * and therefore its "baseid" is used.
+     */
+    str = "module a {namespace urn:a; prefix a;"
+            "revision \"2014-05-08\";"
+            "identity baseid;"
+            "leaf alf { type identityref { base baseid;}}"
+            "}";
+    UTEST_ADD_MODULE(str, LYS_IN_YANG, NULL, NULL);
+    str = "module a {namespace urn:a; prefix a;"
+            "revision \"2015-05-08\";"
+            "identity baseid;"
+            "leaf alf { type identityref { base baseid;}}"
+            "}";
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, str);
+    str = "module b {namespace urn:b; prefix b;"
+            "import a {prefix a;}"
+            "identity baseref { base a:baseid;}"
+            "identity id1 { base baseref;}"
+            "identity id2 { base baseref;}"
+            "}";
+    UTEST_ADD_MODULE(str, LYS_IN_YANG, NULL, NULL);
+    assert_true(contains_derived_identity(UTEST_LYCTX, "a", "2014-05-08", "baseid", "baseref"));
+    assert_true(contains_derived_identity(UTEST_LYCTX, "a", "2014-05-08", "baseid", "id1"));
+    data = "<alf xmlns=\"urn:a\" xmlns:ids=\"urn:b\">ids:id1</alf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, 0, LYD_VALIDATE_PRESENT, LY_SUCCESS, tree);
+    lyd_free_tree(tree);
+    assert_true(contains_derived_identity(UTEST_LYCTX, "a", "2014-05-08", "baseid", "id2"));
+    data = "<alf xmlns=\"urn:a\" xmlns:ids=\"urn:b\">ids:id2</alf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, 0, LYD_VALIDATE_PRESENT, LY_SUCCESS, tree);
+    lyd_free_tree(tree);
+    RESET_CTX(UTEST_LYCTX);
+
+    /* Even if a newer revision has been implemented, the old and
+     * unimplemented one will be used because it has already been
+     * imported. Therefore, if the user wants to use multiple revisions,
+     * he must choose one and implement it as soon as possible.
+     */
+    str = "module a {namespace urn:a; prefix a;"
+            "revision \"2014-05-08\";"
+            "identity baseid;"
+            "leaf alf { type identityref { base baseid;}}"
+            "}";
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, str);
+    str = "module b {namespace urn:b; prefix b;"
+            "import a {prefix a;}"
+            "identity baseref { base a:baseid;}"
+            "identity id1 { base baseref;}"
+            "identity id2 { base baseref;}"
+            "}";
+    UTEST_ADD_MODULE(str, LYS_IN_YANG, NULL, NULL);
+    str = "module a {namespace urn:a; prefix a;"
+            "revision \"2015-05-08\";"
+            "identity baseid;"
+            "leaf alf { type identityref { base baseid;}}"
+            "}";
+    ly_log_level(LY_LLVRB);
+    UTEST_ADD_MODULE(str, LYS_IN_YANG, NULL, NULL);
+    CHECK_LOG("Implemented module \"a@2015-05-08\" was not and will not "
+            "be imported if the revision-date is missing in the import "
+            "statement. Instead, the revision \"2014-05-08\" is imported.", NULL);
+    ly_log_level(LY_LLWRN);
+    /* Data is inserted only to implemented revision. */
+    data = "<alf xmlns=\"urn:a\" xmlns:ids=\"urn:b\">ids:id1</alf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, 0, LYD_VALIDATE_PRESENT, LY_EVALID, tree);
+    data = "<alf xmlns=\"urn:a\" xmlns:ids=\"urn:b\">ids:id2</alf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, 0, LYD_VALIDATE_PRESENT, LY_EVALID, tree);
+    assert_true(contains_derived_identity(UTEST_LYCTX, "a", "2014-05-08", "baseid", "baseref"));
+    assert_false(contains_derived_identity(UTEST_LYCTX, "a", "2015-05-08", "baseid", "baseref"));
+    RESET_CTX(UTEST_LYCTX);
+
+    /* Identity testing with if-features. */
+
+    /* The if-feature has no effect if the module is imported. */
+    str = "module a {yang-version 1.1; namespace urn:a; prefix a;"
+            "feature f;"
+            "identity baseid { if-feature \"f\";}"
+            "}";
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, str);
+    str = "module b {namespace urn:b; prefix b; import a { prefix a;}"
+            "identity id1 { base a:baseid;}"
+            "leaf lf { type identityref { base a:baseid;}}"
+            "}";
+    UTEST_ADD_MODULE(str, LYS_IN_YANG, NULL, NULL);
+    assert_true(contains_derived_identity(UTEST_LYCTX, "a", NULL, "baseid", "id1"));
+    data = "<lf xmlns=\"urn:b\">id1</lf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, 0, LYD_VALIDATE_PRESENT, LY_SUCCESS, tree);
+    lyd_free_tree(tree);
+    RESET_CTX(UTEST_LYCTX);
+
+    /* Even if the identity in the implemented module is disabled,
+     * it can be used as a base.
+     */
+    str = "module a {yang-version 1.1; namespace urn:a; prefix a;"
+            "feature f;"
+            "identity baseid { if-feature \"f\";}"
+            "}";
+    UTEST_ADD_MODULE(str, LYS_IN_YANG, NULL, NULL);
+    str = "module b {namespace urn:b; prefix b; import a { prefix a;}"
+            "identity id1 { base a:baseid;}"
+            "leaf lf { type identityref { base a:baseid;}}"
+            "}";
+    UTEST_ADD_MODULE(str, LYS_IN_YANG, NULL, NULL);
+    assert_true(contains_derived_identity(UTEST_LYCTX, "a", NULL, "baseid", "id1"));
+    data = "<lf xmlns=\"urn:b\">id1</lf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, 0, LYD_VALIDATE_PRESENT, LY_SUCCESS, tree);
+    lyd_free_tree(tree);
+    RESET_CTX(UTEST_LYCTX);
+
+    /* Identity derivation cannot be instantiated if it is disabled.
+     * Conversely, if the identity is enabled, it can be instantiated.
+     */
+    str = "module a {namespace urn:a; prefix a;"
+            "identity baseid;"
+            "}";
+    UTEST_ADD_MODULE(str, LYS_IN_YANG, NULL, NULL);
+    str = "module b {yang-version 1.1; namespace urn:b; prefix b; import a { prefix a;}"
+            "feature f2;"
+            "feature f3;"
+            "identity id1 { base a:baseid;}"
+            "identity id2 { if-feature \"f2\"; base a:baseid;}"
+            "identity id3 { if-feature \"f3\"; base a:baseid;}"
+            "leaf lf { type identityref { base a:baseid;}}"
+            "}";
+    feats[0] = "f2";
+    UTEST_ADD_MODULE(str, LYS_IN_YANG, feats, NULL);
+    assert_true(contains_derived_identity(UTEST_LYCTX, "a", NULL, "baseid", "id1"));
+    data = "<lf xmlns=\"urn:b\">id1</lf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, 0, LYD_VALIDATE_PRESENT, LY_SUCCESS, tree);
+    lyd_free_tree(tree);
+    assert_true(contains_derived_identity(UTEST_LYCTX, "a", NULL, "baseid", "id2"));
+    data = "<lf xmlns=\"urn:b\">id2</lf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, 0, LYD_VALIDATE_PRESENT, LY_SUCCESS, tree);
+    lyd_free_tree(tree);
+    assert_true(contains_derived_identity(UTEST_LYCTX, "a", NULL, "baseid", "id3"));
+    data = "<lf xmlns=\"urn:b\">id3</lf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, 0, LYD_VALIDATE_PRESENT, LY_EVALID, tree);
+    CHECK_LOG_CTX("Invalid identityref \"id3\" value - identity is disabled by if-feature.",
+            "Schema location \"/b:lf\", line number 1.");
+    RESET_CTX(UTEST_LYCTX);
+
+    /* The derived identities are enabled and disabled in submodule. */
+    str = "submodule asub {yang-version 1.1; belongs-to a {prefix a;}"
+            "feature f2;"
+            "feature f3;"
+            "identity id1 { base a:baseid;}"
+            "identity id2 { if-feature \"f2\"; base a:baseid;}"
+            "identity id3 { if-feature \"f3\"; base a:baseid;}"
+            "}";
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, str);
+    str = "module a {namespace urn:a; prefix a; include asub;"
+            "identity baseid;"
+            "}";
+    feats[0] = "f2";
+    UTEST_ADD_MODULE(str, LYS_IN_YANG, feats, NULL);
+    str = "module b {yang-version 1.1; namespace urn:b; prefix b; import a { prefix a;}"
+            "leaf lf { type identityref { base a:baseid;}}"
+            "}";
+    UTEST_ADD_MODULE(str, LYS_IN_YANG, NULL, NULL);
+    assert_true(contains_derived_identity(UTEST_LYCTX, "a", NULL, "baseid", "id1"));
+    data = "<lf xmlns=\"urn:b\" xmlns:ids=\"urn:a\">ids:id1</lf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, 0, LYD_VALIDATE_PRESENT, LY_SUCCESS, tree);
+    lyd_free_tree(tree);
+    assert_true(contains_derived_identity(UTEST_LYCTX, "a", NULL, "baseid", "id2"));
+    data = "<lf xmlns=\"urn:b\" xmlns:ids=\"urn:a\">ids:id2</lf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, 0, LYD_VALIDATE_PRESENT, LY_SUCCESS, tree);
+    lyd_free_tree(tree);
+    assert_true(contains_derived_identity(UTEST_LYCTX, "a", NULL, "baseid", "id3"));
+    data = "<lf xmlns=\"urn:b\" xmlns:ids=\"urn:a\">ids:id3</lf>";
+    CHECK_PARSE_LYD_PARAM(data, LYD_XML, 0, LYD_VALIDATE_PRESENT, LY_EVALID, tree);
+    CHECK_LOG_CTX("Invalid identityref \"ids:id3\" value - identity is disabled by if-feature.",
+            "Schema location \"/b:lf\", line number 1.");
+    RESET_CTX(UTEST_LYCTX);
+
+#undef RESET_CTX
+}
+
+static void
+test_type_identityref(void **state)
+{
+    struct lys_module *mod;
+    struct lysc_type *type;
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a {yang-version 1.1;namespace urn:a;prefix a;identity i; identity j; identity k {base i;}"
+            "typedef mytype {type identityref {base i;}}"
+            "leaf l1 {type mytype;} leaf l2 {type identityref {base a:k; base j;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_IDENT, type->basetype);
+    assert_non_null(((struct lysc_type_identityref *)type)->bases);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_identityref *)type)->bases));
+    assert_string_equal("i", ((struct lysc_type_identityref *)type)->bases[0]->name);
+
+    type = ((struct lysc_node_leaf *)mod->compiled->data->next)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_IDENT, type->basetype);
+    assert_non_null(((struct lysc_type_identityref *)type)->bases);
+    assert_int_equal(2, LY_ARRAY_COUNT(((struct lysc_type_identityref *)type)->bases));
+    assert_string_equal("k", ((struct lysc_type_identityref *)type)->bases[0]->name);
+    assert_string_equal("j", ((struct lysc_type_identityref *)type)->bases[1]->name);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module b {yang-version 1.1;namespace urn:b;prefix b;import a {prefix a;}"
+            "leaf l {type identityref {base a:k; base a:j;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_IDENT, type->basetype);
+    assert_non_null(((struct lysc_type_identityref *)type)->bases);
+    assert_int_equal(2, LY_ARRAY_COUNT(((struct lysc_type_identityref *)type)->bases));
+    assert_string_equal("k", ((struct lysc_type_identityref *)type)->bases[0]->name);
+    assert_string_equal("j", ((struct lysc_type_identityref *)type)->bases[1]->name);
+
+    /* invalid cases */
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa; leaf l {type identityref;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Missing base substatement for identityref type.", "/aa:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module bb {namespace urn:bb;prefix bb; typedef mytype {type identityref;}"
+            "leaf l {type mytype;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Missing base substatement for identityref type mytype.", "/bb:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module cc {namespace urn:cc;prefix cc; identity i; typedef mytype {type identityref {base i;}}"
+            "leaf l {type mytype {base i;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid base substatement for the type not directly derived from identityref built-in type.", "/cc:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module dd {namespace urn:dd;prefix dd; identity i; typedef mytype {type identityref {base i;}}"
+            "typedef mytype2 {type mytype {base i;}}leaf l {type mytype2;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid base substatement for the type \"mytype2\" not directly derived from identityref built-in type.", "/dd:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ee {namespace urn:ee;prefix ee; identity i; identity j;"
+            "leaf l {type identityref {base i;base j;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Multiple bases in identityref type are allowed only in YANG 1.1 modules.", "/ee:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ff {namespace urn:ff;prefix ff; identity i;leaf l {type identityref {base j;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Unable to find base (j) of identityref.", "/ff:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module gg {namespace urn:gg;prefix gg;leaf l {type identityref {base x:j;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid prefix used for base (x:j) of identityref.", "/gg:l");
+}
+
+static void
+test_type_leafref(void **state)
+{
+    char *str;
+    struct lys_module *mod;
+    struct lysc_type *type;
+    const char *path;
+    struct lyxp_expr *expr;
+
+    /* lys_path_parse() */
+    path = "invalid_path";
+    assert_int_equal(LY_EVALID, ly_path_parse(UTEST_LYCTX, NULL, path, strlen(path), 1, LY_PATH_BEGIN_EITHER,
+            LY_PATH_PREFIX_OPTIONAL, LY_PATH_PRED_LEAFREF, &expr));
+    path = "..";
+    assert_int_equal(LY_EVALID, ly_path_parse(UTEST_LYCTX, NULL, path, strlen(path), 1, LY_PATH_BEGIN_EITHER,
+            LY_PATH_PREFIX_OPTIONAL, LY_PATH_PRED_LEAFREF, &expr));
+    path = "..[";
+    assert_int_equal(LY_EVALID, ly_path_parse(UTEST_LYCTX, NULL, path, strlen(path), 1, LY_PATH_BEGIN_EITHER,
+            LY_PATH_PREFIX_OPTIONAL, LY_PATH_PRED_LEAFREF, &expr));
+    path = "../";
+    assert_int_equal(LY_EVALID, ly_path_parse(UTEST_LYCTX, NULL, path, strlen(path), 1, LY_PATH_BEGIN_EITHER,
+            LY_PATH_PREFIX_OPTIONAL, LY_PATH_PRED_LEAFREF, &expr));
+    path = "/";
+    assert_int_equal(LY_EVALID, ly_path_parse(UTEST_LYCTX, NULL, path, strlen(path), 1, LY_PATH_BEGIN_EITHER,
+            LY_PATH_PREFIX_OPTIONAL, LY_PATH_PRED_LEAFREF, &expr));
+
+    path = "../../pref:id/xxx[predicate]/invalid!!!";
+    assert_int_equal(LY_EVALID, ly_path_parse(UTEST_LYCTX, NULL, path, strlen(path), 1, LY_PATH_BEGIN_EITHER,
+            LY_PATH_PREFIX_OPTIONAL, LY_PATH_PRED_LEAFREF, &expr));
+    CHECK_LOG_CTX("Invalid character 0x21 ('!'), perhaps \"invalid\" is supposed to be a function call.", NULL);
+
+    path = "/absolute/prefix:path";
+    assert_int_equal(LY_SUCCESS, ly_path_parse(UTEST_LYCTX, NULL, path, strlen(path), 1, LY_PATH_BEGIN_EITHER,
+            LY_PATH_PREFIX_OPTIONAL, LY_PATH_PRED_LEAFREF, &expr));
+    assert_int_equal(4, expr->used);
+    assert_int_equal(LYXP_TOKEN_OPER_PATH, expr->tokens[0]);
+    assert_int_equal(LYXP_TOKEN_NAMETEST, expr->tokens[1]);
+    assert_int_equal(LYXP_TOKEN_OPER_PATH, expr->tokens[2]);
+    assert_int_equal(LYXP_TOKEN_NAMETEST, expr->tokens[3]);
+    lyxp_expr_free(UTEST_LYCTX, expr);
+
+    /* complete leafref paths */
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a {yang-version 1.1;namespace urn:a;prefix a;"
+            "leaf ref1 {type leafref {path /a:target1;}} leaf ref2 {type leafref {path /a/target2; require-instance false;}}"
+            "leaf target1 {type string;}container a {leaf target2 {type uint8;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_LEAFREF, type->basetype);
+    assert_string_equal("/a:target1", ((struct lysc_type_leafref *)type)->path->expr);
+    assert_ptr_equal(mod, ly_resolve_prefix(UTEST_LYCTX, "a", 1, LY_VALUE_SCHEMA_RESOLVED, ((struct lysc_type_leafref *)type)->prefixes));
+    assert_non_null(((struct lysc_type_leafref *)type)->realtype);
+    assert_int_equal(LY_TYPE_STRING, ((struct lysc_type_leafref *)type)->realtype->basetype);
+    assert_int_equal(1, ((struct lysc_type_leafref *)type)->require_instance);
+    type = ((struct lysc_node_leaf *)mod->compiled->data->next)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_LEAFREF, type->basetype);
+    assert_string_equal("/a/target2", ((struct lysc_type_leafref *)type)->path->expr);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_leafref *)type)->prefixes));
+    assert_non_null(((struct lysc_type_leafref *)type)->realtype);
+    assert_int_equal(LY_TYPE_UINT8, ((struct lysc_type_leafref *)type)->realtype->basetype);
+    assert_int_equal(0, ((struct lysc_type_leafref *)type)->require_instance);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module b {namespace urn:b;prefix b; typedef mytype {type leafref {path /b:target;}}"
+            "typedef mytype2 {type mytype;} typedef mytype3 {type leafref {path /target;}} leaf ref {type mytype2;}"
+            "leaf target {type leafref {path ../realtarget;}} leaf realtarget {type string;}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(1, type->refcount);
+    assert_int_equal(LY_TYPE_LEAFREF, type->basetype);
+    assert_string_equal("/b:target", ((struct lysc_type_leafref *)type)->path->expr);
+    assert_ptr_equal(mod, ly_resolve_prefix(UTEST_LYCTX, "b", 1, LY_VALUE_SCHEMA_RESOLVED, ((struct lysc_type_leafref *)type)->prefixes));
+    assert_non_null(((struct lysc_type_leafref *)type)->realtype);
+    assert_int_equal(LY_TYPE_STRING, ((struct lysc_type_leafref *)type)->realtype->basetype);
+    assert_int_equal(1, ((struct lysc_type_leafref *)type)->require_instance);
+
+    /* prefixes are reversed to check using correct context of the path! */
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module c {yang-version 1.1;namespace urn:c;prefix b; import b {prefix c;}"
+            "typedef mytype3 {type c:mytype {require-instance false;}}"
+            "leaf ref1 {type b:mytype3;}leaf ref2 {type c:mytype2;}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(1, type->refcount);
+    assert_int_equal(LY_TYPE_LEAFREF, type->basetype);
+    assert_string_equal("/b:target", ((struct lysc_type_leafref *)type)->path->expr);
+    assert_ptr_not_equal(mod, ly_resolve_prefix(UTEST_LYCTX, "b", 1, LY_VALUE_SCHEMA_RESOLVED, ((struct lysc_type_leafref *)type)->prefixes));
+    assert_non_null(((struct lysc_type_leafref *)type)->realtype);
+    assert_int_equal(LY_TYPE_STRING, ((struct lysc_type_leafref *)type)->realtype->basetype);
+    assert_int_equal(0, ((struct lysc_type_leafref *)type)->require_instance);
+    type = ((struct lysc_node_leaf *)mod->compiled->data->next)->type;
+    assert_non_null(type);
+    assert_int_equal(1, type->refcount);
+    assert_int_equal(LY_TYPE_LEAFREF, type->basetype);
+    assert_string_equal("/b:target", ((struct lysc_type_leafref *)type)->path->expr);
+    assert_ptr_not_equal(mod, ly_resolve_prefix(UTEST_LYCTX, "b", 1, LY_VALUE_SCHEMA_RESOLVED, ((struct lysc_type_leafref *)type)->prefixes));
+    assert_int_equal(1, ((struct lysc_type_leafref *)type)->require_instance);
+
+    /* non-prefixed nodes in path are supposed to be from the module where the leafref type is instantiated */
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module d {namespace urn:d;prefix d; import b {prefix b;}"
+            "leaf ref {type b:mytype3;}leaf target {type int8;}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(1, type->refcount);
+    assert_int_equal(LY_TYPE_LEAFREF, type->basetype);
+    assert_string_equal("/target", ((struct lysc_type_leafref *)type)->path->expr);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_leafref *)type)->prefixes));
+    assert_non_null(((struct lysc_type_leafref *)type)->realtype);
+    assert_int_equal(LY_TYPE_INT8, ((struct lysc_type_leafref *)type)->realtype->basetype);
+    assert_int_equal(1, ((struct lysc_type_leafref *)type)->require_instance);
+
+    /* conditional leafrefs */
+    str = "module e {yang-version 1.1;namespace urn:e;prefix e;feature f1;"
+            "leaf ref1 {type leafref {path /target;}}"
+            "leaf target {if-feature 'f1'; type boolean;}}";
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Target of leafref \"ref1\" cannot be referenced because it is disabled.", "Schema location \"/e:ref1\".");
+
+    str = "module en {yang-version 1.1;namespace urn:en;prefix en;feature f1;"
+            "leaf ref1 {if-feature 'f1'; type leafref {path /target;}}"
+            "leaf target {type boolean;}}";
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, &mod));
+
+    str = "module e {yang-version 1.1;namespace urn:e;prefix e;feature f1;"
+            "leaf ref1 {if-feature 'f1'; type leafref {path /target;}}}";
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, str, LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Not found node \"target\" in path.", "Schema location \"/e:ref1\".");
+
+    ly_ctx_set_options(UTEST_LYCTX, LY_CTX_REF_IMPLEMENTED);
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "module cl {namespace urn:cl;prefix cl;feature f1;"
+            "leaf f {type string; if-feature 'f1';}"
+            "leaf g {type leafref {path \"/cl:f\";}}"
+            "leaf h {type uint16; default 1;}}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module im {namespace urn:im;prefix im;import cl {prefix cl;}"
+            "leaf ref {must \"/cl:h > 0\"; type uint16;}}", LYS_IN_YANG, &mod));
+    ly_ctx_unset_options(UTEST_LYCTX, LY_CTX_REF_IMPLEMENTED);
+    CHECK_LOG_CTX("Target of leafref \"g\" cannot be referenced because it is disabled.", "Schema location \"/cl:g\".");
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module f {namespace urn:f;prefix f;"
+            "list interface{key name;leaf name{type string;}list address {key ip;leaf ip {type string;}}}"
+            "container default-address{leaf ifname{type leafref{ path \"../../interface/name\";}}"
+            "leaf address {type leafref{ path \"../../interface[  name = current()/../ifname ]/address/ip\";}}}}",
+            LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)(*lysc_node_child_p(mod->compiled->data->prev))->prev)->type;
+    assert_non_null(type);
+    assert_int_equal(1, type->refcount);
+    assert_int_equal(LY_TYPE_LEAFREF, type->basetype);
+    assert_string_equal("../../interface[  name = current()/../ifname ]/address/ip",
+            ((struct lysc_type_leafref *)type)->path->expr);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_leafref *)type)->prefixes));
+    assert_non_null(((struct lysc_type_leafref *)type)->realtype);
+    assert_int_equal(LY_TYPE_STRING, ((struct lysc_type_leafref *)type)->realtype->basetype);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module g {namespace urn:g;prefix g;"
+            "leaf source {type leafref {path \"/endpoint-parent[id=current()/../field]/endpoint/name\";}}"
+            "leaf field {type int32;}list endpoint-parent {key id;leaf id {type int32;}"
+            "list endpoint {key name;leaf name {type string;}}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(1, type->refcount);
+    assert_int_equal(LY_TYPE_LEAFREF, type->basetype);
+    assert_string_equal("/endpoint-parent[id=current()/../field]/endpoint/name", ((struct lysc_type_leafref *)type)->path->expr);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_type_leafref *)type)->prefixes));
+    assert_non_null(((struct lysc_type_leafref *)type)->realtype);
+    assert_int_equal(LY_TYPE_STRING, ((struct lysc_type_leafref *)type)->realtype->basetype);
+
+    /* leafref to imported (not yet implemented) module */
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module h-imp {namespace urn:h-imp;prefix h-imp;"
+            "leaf l {type string;}}", LYS_IN_YANG, NULL));
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "module h {namespace urn:h;prefix h;import h-imp {prefix hi;}"
+            "leaf h {type uint16;}}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module i {namespace urn:i;prefix i;import h {prefix h;}"
+            "leaf i {type leafref {path /h:h;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_LEAFREF, type->basetype);
+    assert_non_null(((struct lysc_type_leafref *)type)->realtype);
+    assert_int_equal(LY_TYPE_UINT16, ((struct lysc_type_leafref *)type)->realtype->basetype);
+    assert_non_null(mod = ly_ctx_get_module_implemented(UTEST_LYCTX, "h"));
+    assert_int_equal(1, mod->implemented);
+    assert_non_null(mod->compiled->data);
+    assert_string_equal("h", mod->compiled->data->name);
+
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "module j {namespace urn:j;prefix j; leaf j  {type string;}}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module k {namespace urn:k;prefix k;import j {prefix j;}"
+            "leaf i {type leafref {path \"/ilist[name = current()/../j:j]/value\";}}"
+            "list ilist {key name; leaf name {type string;} leaf value {type uint16;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_LEAFREF, type->basetype);
+    assert_non_null(((struct lysc_type_leafref *)type)->realtype);
+    assert_int_equal(LY_TYPE_UINT16, ((struct lysc_type_leafref *)type)->realtype->basetype);
+    assert_non_null(mod = ly_ctx_get_module_implemented(UTEST_LYCTX, "j"));
+    assert_int_equal(1, mod->implemented);
+    assert_non_null(mod->compiled->data);
+    assert_string_equal("j", mod->compiled->data->name);
+
+    /* leafref with a default value */
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module l {namespace urn:l;prefix l;"
+            "leaf source {type leafref {path \"../target\";}default true;}"
+            "leaf target {type boolean;}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(1, type->refcount);
+    assert_int_equal(LY_TYPE_LEAFREF, type->basetype);
+    assert_string_equal("../target", ((struct lysc_type_leafref *)type)->path->expr);
+    assert_non_null(((struct lysc_type_leafref *)type)->realtype);
+    assert_int_equal(LY_TYPE_BOOL, ((struct lysc_type_leafref *)type)->realtype->basetype);
+    assert_non_null(((struct lysc_node_leaf *)mod->compiled->data)->dflt);
+    assert_int_equal(LY_TYPE_BOOL, ((struct lysc_node_leaf *)mod->compiled->data)->dflt->realtype->basetype);
+    assert_int_equal(1, ((struct lysc_node_leaf *)mod->compiled->data)->dflt->boolean);
+
+    /* invalid paths */
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa;container a {leaf target2 {type uint8;}}"
+            "leaf ref1 {type leafref {path ../a/invalid;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Not found node \"invalid\" in path.", "Schema location \"/aa:ref1\".");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module bb {namespace urn:bb;prefix bb;container a {leaf target2 {type uint8;}}"
+            "leaf ref1 {type leafref {path ../../toohigh;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Too many parent references in path.", "Schema location \"/bb:ref1\".");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module cc {namespace urn:cc;prefix cc;container a {leaf target2 {type uint8;}}"
+            "leaf ref1 {type leafref {path /a:invalid;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("No module connected with the prefix \"a\" found (prefix format schema stored mapping).", "Schema location \"/cc:ref1\".");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module dd {namespace urn:dd;prefix dd;leaf target1 {type string;}"
+            "container a {leaf target2 {type uint8;}} leaf ref1 {type leafref {"
+            "path '/a[target2 = current()/../target1]/target2';}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("List predicate defined for container \"a\" in path.", "Schema location \"/dd:ref1\".");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ee {namespace urn:ee;prefix ee;\n  container a {leaf target2 {type uint8;}}\n"
+            "leaf ref1 {type leafref {path /a!invalid;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Parsing module \"ee\" failed.", NULL,
+            "Invalid character 0x21 ('!'), perhaps \"a\" is supposed to be a function call.", "Line number 3.");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ff {namespace urn:ff;prefix ff;container a {leaf target2 {type uint8;}}"
+            "leaf ref1 {type leafref {path /a;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid leafref path \"/a\" - target node is container instead of leaf or leaf-list.", "Schema location \"/ff:ref1\".");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module gg {namespace urn:gg;prefix gg;container a {leaf target2 {type uint8;"
+            "status deprecated;}} leaf ref1 {type leafref {path /a/target2;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("A current definition \"ref1\" is not allowed to reference deprecated definition \"target2\".",
+            "Schema location \"/gg:ref1\".");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module hh {namespace urn:hh;prefix hh;"
+            "leaf ref1 {type leafref;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Missing path substatement for leafref type.", "/hh:ref1");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ii {namespace urn:ii;prefix ii;typedef mytype {type leafref;}"
+            "leaf ref1 {type mytype;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Missing path substatement for leafref type mytype.", "/ii:ref1");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module kk {namespace urn:kk;prefix kk;"
+            "leaf ref {type leafref {path /target;}}leaf target {type string;config false;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid leafref path \"/target\" - target is supposed to represent configuration data (as the leafref does), but it does not.", "Schema location \"/kk:ref\".");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ll {namespace urn:ll;prefix ll;"
+            "leaf ref {type leafref {path /target; require-instance true;}}leaf target {type string;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Leafref type can be restricted by require-instance statement only in YANG 1.1 modules.", "/ll:ref");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module mm {namespace urn:mm;prefix mm;typedef mytype {type leafref {path /target;require-instance false;}}"
+            "leaf ref {type mytype;}leaf target {type string;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Leafref type \"mytype\" can be restricted by require-instance statement only in YANG 1.1 modules.", "/mm:ref");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module nn {namespace urn:nn;prefix nn;\n"
+            "list interface{key name;leaf name{type string;}leaf ip {type string;}}\n"
+            "leaf ifname{type leafref{ path \"../interface/name\";}}\n"
+            "leaf address {type leafref{\n path \"/interface[name is current()/../ifname]/ip\";}}}",
+            LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Parsing module \"nn\" failed.", NULL,
+            "Invalid character 0x69 ('i'), perhaps \"name\" is supposed to be a function call.", "Line number 5.");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module oo {namespace urn:oo;prefix oo;\n"
+            "list interface{key name;leaf name{type string;}leaf ip {type string;}}\n"
+            "leaf ifname{type leafref{ path \"../interface/name\";}}\n"
+            "leaf address {type leafref{\n path \"/interface[name=current()/../ifname/ip\";}}}",
+            LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Parsing module \"oo\" failed.", NULL,
+            "Unexpected XPath expression end.", "Line number 5.");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module pp {namespace urn:pp;prefix pp;"
+            "list interface{key name;leaf name{type string;}leaf ip {type string;}}"
+            "leaf ifname{type leafref{ path \"../interface/name\";}}"
+            "leaf address {type leafref{ path \"/interface[x:name=current()/../ifname]/ip\";}}}",
+            LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("No module connected with the prefix \"x\" found (prefix format schema stored mapping).",
+            "Schema location \"/pp:address\".");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module qq {namespace urn:qq;prefix qq;"
+            "list interface{key name;leaf name{type string;}leaf ip {type string;}}"
+            "leaf ifname{type leafref{ path \"../interface/name\";}}"
+            "leaf address {type leafref{ path \"/interface[id=current()/../ifname]/ip\";}}}",
+            LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Not found node \"id\" in path.", "Schema location \"/qq:address\".");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module rr {namespace urn:rr;prefix rr;\n"
+            "list interface{key name;leaf name{type string;}leaf ip {type string;}}\n"
+            "leaf ifname{type leafref{ path \"../interface/name\";}}leaf test{type string;}\n"
+            "leaf address {type leafref{ path \"/interface[name=current() /  .. / ifname][name=current()/../test]/ip\";}}}",
+            LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Parsing module \"rr\" failed.", NULL,
+            "Duplicate predicate key \"name\" in path.", "Line number 4.");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ss {namespace urn:ss;prefix ss;\n"
+            "list interface{key name;leaf name{type string;}leaf ip {type string;}}\n"
+            "leaf ifname{type leafref{ path \"../interface/name\";}}leaf test{type string;}\n"
+            "leaf address {type leafref{ path \"/interface[name = ../ifname]/ip\";}}}",
+            LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Parsing module \"ss\" failed.", NULL,
+            "Unexpected XPath token \"..\" (\"../ifname]/ip\"), expected \"FunctionName\".", "Line number 4.");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module tt {namespace urn:tt;prefix tt;\n"
+            "list interface{key name;leaf name{type string;}leaf ip {type string;}}\n"
+            "leaf ifname{type leafref{ path \"../interface/name\";}}leaf test{type string;}\n"
+            "leaf address {type leafref{ path \"/interface[name = current()../ifname]/ip\";}}}",
+            LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Parsing module \"tt\" failed.", NULL,
+            "Unexpected XPath token \"..\" (\"../ifname]/ip\"), expected \"]\".", "Line number 4.");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module uu {namespace urn:uu;prefix uu;\n"
+            "list interface{key name;leaf name{type string;}leaf ip {type string;}}\n"
+            "leaf ifname{type leafref{ path \"../interface/name\";}}leaf test{type string;}\n"
+            "leaf address {type leafref{ path \"/interface[name = current()/..ifname]/ip\";}}}",
+            LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Parsing module \"uu\" failed.", NULL,
+            "Invalid character 'i'[31] of expression '/interface[name = current()/..ifname]/ip'.", "Line number 4.");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module vv {namespace urn:vv;prefix vv;\n"
+            "list interface{key name;leaf name{type string;}leaf ip {type string;}}\n"
+            "leaf ifname{type leafref{ path \"../interface/name\";}}leaf test{type string;}\n"
+            "leaf address {type leafref{ path \"/interface[name = current()/ifname]/ip\";}}}",
+            LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Parsing module \"vv\" failed.", NULL,
+            "Unexpected XPath token \"NameTest\" (\"ifname]/ip\"), expected \"..\".", "Line number 4.");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ww {namespace urn:ww;prefix ww;\n"
+            "list interface{key name;leaf name{type string;}leaf ip {type string;}}\n"
+            "leaf ifname{type leafref{ path \"../interface/name\";}}leaf test{type string;}\n"
+            "leaf address {type leafref{ path \"/interface[name = current()/../]/ip\";}}}",
+            LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Parsing module \"ww\" failed.", NULL,
+            "Unexpected XPath token \"]\" (\"]/ip\").", "Line number 4.");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module xx {namespace urn:xx;prefix xx;\n"
+            "list interface{key name;leaf name{type string;}leaf ip {type string;}}\n"
+            "leaf ifname{type leafref{ path \"../interface/name\";}}leaf test{type string;}\n"
+            "leaf address {type leafref{ path \"/interface[name = current()/../#node]/ip\";}}}",
+            LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Parsing module \"xx\" failed.", NULL,
+            "Invalid character '#'[32] of expression '/interface[name = current()/../#node]/ip'.", "Line number 4.");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module yy {namespace urn:yy;prefix yy;\n"
+            "list interface{key name;leaf name{type string;}leaf ip {type string;}}\n"
+            "leaf ifname{type leafref{ path \"../interface/name\";}}\n"
+            "leaf address {type leafref{ path \"/interface[name=current()/../x:ifname]/ip\";}}}",
+            LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("No module connected with the prefix \"x\" found (prefix format schema stored mapping).",
+            "Schema location \"/yy:address\".");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module zz {namespace urn:zz;prefix zz;\n"
+            "list interface{key name;leaf name{type string;}leaf ip {type string;}}\n"
+            "leaf ifname{type leafref{ path \"../interface/name\";}}\n"
+            "leaf address {type leafref{ path \"/interface[name=current()/../xxx]/ip\";}}}",
+            LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Not found node \"xxx\" in path.", "Schema location \"/zz:address\".");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module zza {namespace urn:zza;prefix zza;\n"
+            "list interface{key name;leaf name{type string;}leaf ip {type string;}}\n"
+            "leaf ifname{type leafref{ path \"../interface/name\";}}container c;\n"
+            "leaf address {type leafref{ path \"/interface[name=current()/../c]/ip\";}}}",
+            LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Leaf expected instead of container \"c\" in leafref predicate in path.", "Schema location \"/zza:address\".");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module zzb {namespace urn:zzb;prefix zzb;\n"
+            "list interface{key name;leaf name{type string;}leaf ip {type string;}container c;}\n"
+            "leaf ifname{type leafref{ path \"../interface/name\";}}\n"
+            "leaf address {type leafref{ path \"/interface[c=current()/../ifname]/ip\";}}}",
+            LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Key expected instead of container \"c\" in path.", "Schema location \"/zzb:address\".");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module zzc {namespace urn:zzc;prefix zzc;\n"
+            "leaf source {type leafref {path \"../target\";}default true;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Not found node \"target\" in path.", "Schema location \"/zzc:source\".");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module zzd {namespace urn:zzd;prefix zzd;\n"
+            "leaf source {type leafref {path \"../target\";}default true;}\n"
+            "leaf target {type uint8;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid default - value does not fit the type (Invalid type uint8 value \"true\".).",
+            "Schema location \"/zzd:source\".");
+
+    /* circular chain */
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aaa {namespace urn:aaa;prefix aaa;\n"
+            "leaf ref1 {type leafref {path /ref2;}}\n"
+            "leaf ref2 {type leafref {path /ref3;}}\n"
+            "leaf ref3 {type leafref {path /ref4;}}\n"
+            "leaf ref4 {type leafref {path /ref1;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid leafref path \"/ref1\" - circular chain of leafrefs detected.", "Schema location \"/aaa:ref4\".");
+}
+
+static void
+test_type_empty(void **state)
+{
+    /* invalid */
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa;"
+            "leaf l {type empty; default x;}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid default - value does not fit the type (Invalid empty value length 1.).", "Schema location \"/aa:l\".");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module bb {namespace urn:bb;prefix bb;typedef mytype {type empty; default x;}"
+            "leaf l {type mytype;}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Invalid type \"mytype\" - \"empty\" type must not have a default value (x).", "/bb:l");
+}
+
+static void
+test_type_union(void **state)
+{
+    struct lys_module *mod;
+    struct lysc_type *type;
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a {yang-version 1.1;namespace urn:a;prefix a; typedef mybasetype {type string;}"
+            "typedef mytype {type union {type int8; type mybasetype;}}"
+            "leaf l {type mytype;}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(2, type->refcount);
+    assert_int_equal(LY_TYPE_UNION, type->basetype);
+    assert_non_null(((struct lysc_type_union *)type)->types);
+    assert_int_equal(2, LY_ARRAY_COUNT(((struct lysc_type_union *)type)->types));
+    assert_int_equal(LY_TYPE_INT8, ((struct lysc_type_union *)type)->types[0]->basetype);
+    assert_int_equal(LY_TYPE_STRING, ((struct lysc_type_union *)type)->types[1]->basetype);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module b {yang-version 1.1;namespace urn:b;prefix b; typedef mybasetype {type string;}"
+            "typedef mytype {type union {type int8; type mybasetype;}}"
+            "leaf l {type union {type decimal64 {fraction-digits 2;} type mytype;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(1, type->refcount);
+    assert_int_equal(LY_TYPE_UNION, type->basetype);
+    assert_non_null(((struct lysc_type_union *)type)->types);
+    assert_int_equal(3, LY_ARRAY_COUNT(((struct lysc_type_union *)type)->types));
+    assert_int_equal(LY_TYPE_DEC64, ((struct lysc_type_union *)type)->types[0]->basetype);
+    assert_int_equal(LY_TYPE_INT8, ((struct lysc_type_union *)type)->types[1]->basetype);
+    assert_int_equal(LY_TYPE_STRING, ((struct lysc_type_union *)type)->types[2]->basetype);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module c {yang-version 1.1;namespace urn:c;prefix c; typedef mybasetype {type string;}"
+            "typedef mytype {type union {type leafref {path ../target;} type mybasetype;}}"
+            "leaf l {type union {type decimal64 {fraction-digits 2;} type mytype;}}"
+            "leaf target {type leafref {path ../realtarget;}} leaf realtarget {type int8;}}",
+            LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(1, type->refcount);
+    assert_int_equal(LY_TYPE_UNION, type->basetype);
+    assert_non_null(((struct lysc_type_union *)type)->types);
+    assert_int_equal(3, LY_ARRAY_COUNT(((struct lysc_type_union *)type)->types));
+    assert_int_equal(LY_TYPE_DEC64, ((struct lysc_type_union *)type)->types[0]->basetype);
+    assert_int_equal(LY_TYPE_LEAFREF, ((struct lysc_type_union *)type)->types[1]->basetype);
+    assert_int_equal(LY_TYPE_STRING, ((struct lysc_type_union *)type)->types[2]->basetype);
+    assert_non_null(((struct lysc_type_leafref *)((struct lysc_type_union *)type)->types[1])->realtype);
+    assert_int_equal(LY_TYPE_INT8, ((struct lysc_type_leafref *)((struct lysc_type_union *)type)->types[1])->realtype->basetype);
+
+    /* invalid unions */
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa;typedef mytype {type union;}"
+            "leaf l {type mytype;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Missing type substatement for union type mytype.", "/aa:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module bb {namespace urn:bb;prefix bb;leaf l {type union;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Missing type substatement for union type.", "/bb:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module cc {namespace urn:cc;prefix cc;typedef mytype {type union{type int8; type string;}}"
+            "leaf l {type mytype {type string;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid type substatement for the type not directly derived from union built-in type.", "/cc:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module dd {namespace urn:dd;prefix dd;typedef mytype {type union{type int8; type string;}}"
+            "typedef mytype2 {type mytype {type string;}}leaf l {type mytype2;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid type substatement for the type \"mytype2\" not directly derived from union built-in type.", "/dd:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ee {namespace urn:ee;prefix ee;typedef mytype {type union{type mytype; type string;}}"
+            "leaf l {type mytype;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid \"mytype\" type reference - circular chain of types detected.", "/ee:l");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ef {namespace urn:ef;prefix ef;typedef mytype {type mytype2;}"
+            "typedef mytype2 {type mytype;} leaf l {type mytype;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid \"mytype\" type reference - circular chain of types detected.", "/ef:l");
+}
+
+static void
+test_type_dflt(void **state)
+{
+    struct lys_module *mod;
+    struct lysc_type *type;
+    struct lysc_node_leaf *leaf;
+    uint8_t dynamic;
+
+    /* default is not inherited from union's types */
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a {namespace urn:a;prefix a; typedef mybasetype {type string;default hello;units xxx;}"
+            "leaf l {type union {type decimal64 {fraction-digits 2;} type mybasetype;}}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(1, type->refcount);
+    assert_int_equal(LY_TYPE_UNION, type->basetype);
+    assert_non_null(((struct lysc_type_union *)type)->types);
+    assert_int_equal(2, LY_ARRAY_COUNT(((struct lysc_type_union *)type)->types));
+    assert_int_equal(LY_TYPE_DEC64, ((struct lysc_type_union *)type)->types[0]->basetype);
+    assert_int_equal(LY_TYPE_STRING, ((struct lysc_type_union *)type)->types[1]->basetype);
+    assert_null(((struct lysc_node_leaf *)mod->compiled->data)->dflt);
+    assert_null(((struct lysc_node_leaf *)mod->compiled->data)->units);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module b {namespace urn:b;prefix b; typedef mybasetype {type string;default hello;units xxx;}"
+            "leaf l {type mybasetype;}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(3, type->refcount);     /* 2x type reference, 1x default value's reference (typedf's default does not reference own type)*/
+    assert_int_equal(LY_TYPE_STRING, type->basetype);
+    assert_non_null(leaf = (struct lysc_node_leaf *)mod->compiled->data);
+    assert_string_equal("hello", leaf->dflt->realtype->plugin->print(UTEST_LYCTX, leaf->dflt, LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_string_equal("xxx", leaf->units);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module c {namespace urn:c;prefix c; typedef mybasetype {type string;default hello;units xxx;}"
+            "leaf l {type mybasetype; default goodbye;units yyy;}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(3, type->refcount);     /* 2x type reference, 1x default value's reference */
+    assert_int_equal(LY_TYPE_STRING, type->basetype);
+    leaf = (struct lysc_node_leaf *)mod->compiled->data;
+    assert_string_equal("goodbye", leaf->dflt->realtype->plugin->print(UTEST_LYCTX, leaf->dflt, LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_string_equal("yyy", leaf->units);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module d {namespace urn:d;prefix d; typedef mybasetype {type string;default hello;units xxx;}"
+            "typedef mytype {type mybasetype;}leaf l1 {type mytype; default goodbye;units yyy;}"
+            "leaf l2 {type mytype;}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(6, type->refcount);     /* 4x type reference, 2x default value's reference (1 shared compiled type of typedefs which default does not reference own type) */
+    assert_int_equal(LY_TYPE_STRING, type->basetype);
+    leaf = (struct lysc_node_leaf *)mod->compiled->data;
+    assert_string_equal("goodbye", leaf->dflt->realtype->plugin->print(UTEST_LYCTX, leaf->dflt, LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_string_equal("yyy", leaf->units);
+    type = ((struct lysc_node_leaf *)mod->compiled->data->next)->type;
+    assert_non_null(type);
+    assert_int_equal(6, type->refcount);     /* 4x type reference, 2x default value's reference (1 shared compiled type of typedefs which default does not reference own type) */
+    assert_int_equal(LY_TYPE_STRING, type->basetype);
+    leaf = (struct lysc_node_leaf *)mod->compiled->data->next;
+    assert_string_equal("hello", leaf->dflt->realtype->plugin->print(UTEST_LYCTX, leaf->dflt, LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_string_equal("xxx", leaf->units);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module e {namespace urn:e;prefix e; typedef mybasetype {type string;}"
+            "typedef mytype {type mybasetype; default hello;units xxx;}leaf l {type mytype;}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(4, type->refcount);     /* 3x type reference, 1x default value's reference (typedef's default does not reference own type) */
+    assert_int_equal(LY_TYPE_STRING, type->basetype);
+    leaf = (struct lysc_node_leaf *)mod->compiled->data;
+    assert_string_equal("hello", leaf->dflt->realtype->plugin->print(UTEST_LYCTX, leaf->dflt, LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_string_equal("xxx", leaf->units);
+
+    /* mandatory leaf does not takes default value from type */
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module f {namespace urn:f;prefix f;typedef mytype {type string; default hello;units xxx;}"
+            "leaf l {type mytype; mandatory true;}}", LYS_IN_YANG, &mod));
+    type = ((struct lysc_node_leaf *)mod->compiled->data)->type;
+    assert_non_null(type);
+    assert_int_equal(LY_TYPE_STRING, type->basetype);
+    assert_null(((struct lysc_node_leaf *)mod->compiled->data)->dflt);
+    assert_string_equal("xxx", ((struct lysc_node_leaf *)mod->compiled->data)->units);
+}
+
+static void
+test_status(void **state)
+{
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa;"
+            "container c {status deprecated; leaf l {status current; type string;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Status \"current\" of \"l\" is in conflict with \"deprecated\" status of parent \"c\".", "/aa:c/l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module bb {namespace urn:bb;prefix bb;"
+            "container c {status obsolete; leaf l {status current; type string;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Status \"current\" of \"l\" is in conflict with \"obsolete\" status of parent \"c\".", "/bb:c/l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module cc {namespace urn:cc;prefix cc;"
+            "container c {status obsolete; leaf l {status deprecated; type string;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Status \"deprecated\" of \"l\" is in conflict with \"obsolete\" status of parent \"c\".", "/cc:c/l");
+
+    /* just a warning */
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module cc {namespace urn:dd;prefix d;"
+            "container c {leaf l {status obsolete; type string;}}"
+            "container d {leaf m {when \"../../c/l\"; type string;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("When condition \"../../c/l\" may be referencing deprecated node \"l\".", NULL);
+}
+
+static void
+test_grouping(void **state)
+{
+    /* result ok, but a warning about not used locally scoped grouping printed */
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a {namespace urn:a;prefix a; grouping grp1 {leaf a1 {type string;}}"
+            "container a {leaf x {type string;} grouping grp2 {leaf a2 {type string;}}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Locally scoped grouping \"grp2\" not used.", NULL);
+    UTEST_LOG_CLEAN;
+
+    /* result ok - when statement or leafref target must be checked only at the place where the grouping is really instantiated */
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module b {namespace urn:b;prefix b; grouping grp {"
+            "leaf ref {type leafref {path \"../name\";}}"
+            "leaf cond {type string; when \"../name = 'specialone'\";}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX(NULL, NULL);
+
+    /* invalid - error in a non-instantiated grouping */
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa;"
+            "grouping grp {leaf x {type leafref;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Missing path substatement for leafref type.", "/aa:{grouping='grp'}/x");
+    UTEST_LOG_CLEAN;
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa;"
+            "container a {grouping grp {leaf x {type leafref;}}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Missing path substatement for leafref type.", "/aa:a/{grouping='grp'}/x");
+
+    /* config check */
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "module z1 {namespace urn:z1;prefix z1;"
+            "container root;}\n"
+            "module z2 {namespace urn:z2;prefix z2;"
+            "grouping leafs_group {"
+            "  leaf name {type string; config true;}"
+            "  leaf value {type uint32; config true;}"
+            "}}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module z3 {namespace urn:z3;prefix z3;"
+            "import z1 {prefix z1;} import z2 {prefix z2;}"
+            "grouping grp_a_top {leaf a1 {type int8;}}"
+            "grouping list_group {"
+            "  list mylist {key \"name\"; unique \"value\"; uses z2:leafs_group;}"
+            "}"
+            "augment /z1:root { uses list_group;} }", LYS_IN_YANG, NULL));
+
+    /* identity */
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module y1 {namespace urn:y1;prefix y1;"
+            "identity base_identity;"
+            "identity id1 {base \"base_identity\";}"
+            "grouping attrs_group {"
+            "  leaf name {type identityref {base \"base_identity\";} default \"id1\";}"
+            "}}", LYS_IN_YANG, NULL));
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module y2 {namespace urn:y2;prefix y2;"
+            "import y1 {prefix y1;}"
+            "container root {uses y1:attrs_group;}}", LYS_IN_YANG, NULL));
+}
+
+static void
+test_uses(void **state)
+{
+    struct lys_module *mod;
+    const struct lysc_node *parent, *child;
+    const struct lysc_node_container *cont;
+    const struct lysc_node_leaf *leaf;
+    const struct lysc_node_choice *choice;
+    const struct lysc_node_case *cs;
+
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "module grp {namespace urn:grp;prefix g; typedef mytype {type string;} feature f;"
+            "grouping grp {leaf x {type mytype;} leaf y {type string; if-feature f;}}}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a {namespace urn:a;prefix a;import grp {prefix g;}"
+            "grouping grp_a_top {leaf a1 {type int8;}}"
+            "container a {uses grp_a; uses grp_a_top; uses g:grp; grouping grp_a {leaf a2 {type uint8;}}}}", LYS_IN_YANG, &mod));
+    assert_non_null((parent = mod->compiled->data));
+    assert_int_equal(LYS_CONTAINER, parent->nodetype);
+    assert_non_null((child = ((struct lysc_node_container *)parent)->child));
+    assert_string_equal("a2", child->name);
+    assert_ptr_equal(mod, child->module);
+    assert_non_null((child = child->next));
+    assert_string_equal("a1", child->name);
+    assert_ptr_equal(mod, child->module);
+    assert_non_null((child = child->next));
+    assert_string_equal("x", child->name);
+    assert_ptr_equal(mod, child->module);
+    assert_null((child = child->next));
+
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "submodule bsub {belongs-to b {prefix b;} grouping grp {leaf b {when 1; type string;} leaf c {type string;}}}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module b {namespace urn:b;prefix b;include bsub;uses grp {when 2;}}", LYS_IN_YANG, &mod));
+    assert_non_null(mod->compiled->data);
+
+    leaf = (struct lysc_node_leaf *)mod->compiled->data;
+    assert_int_equal(LYS_LEAF, leaf->nodetype);
+    assert_string_equal("b", leaf->name);
+    assert_int_equal(2, LY_ARRAY_COUNT(leaf->when));
+    assert_int_equal(1, leaf->when[0]->refcount);
+    assert_non_null(leaf->when[0]->context);
+    assert_string_equal("b", leaf->when[0]->context->name);
+    assert_int_equal(2, leaf->when[1]->refcount);
+    assert_null(leaf->when[1]->context);
+
+    leaf = (struct lysc_node_leaf *)leaf->next;
+    assert_int_equal(LYS_LEAF, leaf->nodetype);
+    assert_string_equal("c", leaf->name);
+    assert_int_equal(1, LY_ARRAY_COUNT(leaf->when));
+    assert_int_equal(2, leaf->when[0]->refcount);
+    assert_null(leaf->when[0]->context);
+
+    UTEST_LOG_CLEAN;
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module c {namespace urn:c;prefix c;"
+            "grouping grp {leaf l {type string;}leaf k {type string; status obsolete;}}"
+            "uses grp {status deprecated;}}", LYS_IN_YANG, &mod));
+    assert_int_equal(LYS_LEAF, mod->compiled->data->nodetype);
+    assert_string_equal("l", mod->compiled->data->name);
+    assert_true(LYS_STATUS_DEPRC & mod->compiled->data->flags);
+    assert_int_equal(LYS_LEAF, mod->compiled->data->next->nodetype);
+    assert_string_equal("k", mod->compiled->data->next->name);
+    assert_true(LYS_STATUS_OBSLT & mod->compiled->data->next->flags);
+    CHECK_LOG(NULL, NULL);     /* no warning about inheriting deprecated flag from uses */
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module d {namespace urn:d;prefix d; grouping grp {container g;}"
+            "container top {uses grp {augment g {leaf x {type int8;}}}}}", LYS_IN_YANG, &mod));
+    assert_non_null(mod->compiled->data);
+    assert_non_null(child = lysc_node_child(mod->compiled->data));
+    assert_string_equal("g", child->name);
+    assert_non_null(child = lysc_node_child(child));
+    assert_string_equal("x", child->name);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module e {yang-version 1.1;namespace urn:e;prefix e; grouping grp {action g { description \"super g\";}}"
+            "container top {action e; uses grp {refine g {description \"ultra g\";}}}}", LYS_IN_YANG, &mod));
+    assert_non_null(mod->compiled->data);
+    cont = (const struct lysc_node_container *)mod->compiled->data;
+    assert_non_null(cont->actions);
+    assert_non_null(cont->actions->next);
+    assert_null(cont->actions->next->next);
+    assert_string_equal("e", cont->actions->next->name);
+    assert_string_equal("g", cont->actions->name);
+    assert_string_equal("ultra g", cont->actions->dsc);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module f {yang-version 1.1;namespace urn:f;prefix f; grouping grp {notification g { description \"super g\";}}"
+            "container top {notification f; uses grp {refine g {description \"ultra g\";}}}}", LYS_IN_YANG, &mod));
+    assert_non_null(mod->compiled->data);
+    cont = (const struct lysc_node_container *)mod->compiled->data;
+    assert_non_null(cont->notifs);
+    assert_non_null(cont->notifs->next);
+    assert_null(cont->notifs->next->next);
+    assert_string_equal("f", cont->notifs->next->name);
+    assert_string_equal("g", cont->notifs->name);
+    assert_string_equal("ultra g", cont->notifs->dsc);
+
+    /* empty grouping */
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module g {namespace urn:g;prefix g; grouping grp; uses grp;}", LYS_IN_YANG, &mod));
+    assert_null(mod->compiled->data);
+
+    /* choice in uses */
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module h {yang-version 1.1;namespace urn:h;prefix h; grouping grp {choice gch {case gc1 { leaf y { type string;}} case gc2 {leaf z {type string;}}}}"
+            "choice ch {case one { leaf x {type string;}} case two { uses grp;}}}", LYS_IN_YANG, &mod));
+    assert_non_null(mod->compiled->data);
+    choice = (const struct lysc_node_choice *)mod->compiled->data;
+    assert_string_equal("ch", choice->name);
+    cs = choice->cases;
+    assert_non_null(cs);
+    assert_string_equal("one", cs->name);
+    assert_non_null(cs->child);
+    assert_string_equal("x", cs->child->name);
+
+    cs = (struct lysc_node_case *)cs->next;
+    assert_non_null(cs);
+    assert_string_equal("two", cs->name);
+    assert_non_null(cs->child);
+    assert_string_equal("gch", cs->child->name);
+
+    /* top-level uses with augment and refine */
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module i {namespace urn:i;prefix i; grouping grp {container g;}"
+            "uses grp {augment g {leaf x {type int8;}} refine g {description \"dsc\";}}}",
+            LYS_IN_YANG, &mod));
+    assert_non_null(mod->compiled->data);
+    child = mod->compiled->data;
+    assert_string_equal("g", child->name);
+    cont = (const struct lysc_node_container *)child;
+    assert_string_equal("dsc", cont->dsc);
+    assert_non_null(child = lysc_node_child(child));
+    assert_string_equal("x", child->name);
+
+    /* unique */
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "module j {namespace urn:j;prefix j;"
+            "grouping grp {list l {key \"k\"; unique \"l\"; leaf k {type string;} leaf l {type string;}}}}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module k {namespace urn:k;prefix k;import j {prefix j;}"
+            "container a {uses j:grp;}}", LYS_IN_YANG, NULL));
+
+    /* if-features */
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module l {namespace urn:l;prefix l;"
+            "feature f;"
+            "grouping grp {container g; leaf l{type string;}}"
+            "uses grp {if-feature f;}}",
+            LYS_IN_YANG, &mod));
+    assert_null(mod->compiled->data);
+
+    /* invalid */
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa;uses missinggrp;}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Grouping \"missinggrp\" referenced by a uses statement not found.", "/aa:{uses='missinggrp'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module bb {namespace urn:bb;prefix bb;uses grp;"
+            "grouping grp {leaf a{type string;}uses grp1;}"
+            "grouping grp1 {leaf b {type string;}uses grp2;}"
+            "grouping grp2 {leaf c {type string;}uses grp;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Grouping \"grp\" references itself through a uses statement.", "/bb:{uses='grp'}/{uses='grp1'}/{uses='grp2'}/{uses='grp'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module cc {namespace urn:cc;prefix cc;uses a:missingprefix;}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid prefix used for grouping \"a:missingprefix\" reference.", "/cc:{uses='a:missingprefix'}");
+
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, "module dd {namespace urn:dd;prefix dd;grouping grp{leaf a{type string;}}"
+            "leaf a {type string;}uses grp;}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Duplicate identifier \"a\" of data definition/RPC/action/notification statement.", "/dd:{uses='grp'}/dd:a");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ee {namespace urn:ee;prefix ee;grouping grp {leaf l {type string; status deprecated;}}"
+            "uses grp {status obsolete;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Inherited schema-only status \"obsolete\" is in conflict with \"deprecated\" status of \"l\".",
+            "/ee:{uses='grp'}/ee:l");
+
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, "module ff {namespace urn:ff;prefix ff;grouping grp {leaf l {type string;}}"
+            "leaf l {type int8;}uses grp;}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Duplicate identifier \"l\" of data definition/RPC/action/notification statement.", "/ff:{uses='grp'}/ff:l");
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, "module fg {namespace urn:fg;prefix fg;grouping grp {leaf m {type string;}}"
+            "uses grp;leaf m {type int8;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Duplicate identifier \"m\" of data definition/RPC/action/notification statement.", "/fg:m");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module gg {namespace urn:gg;prefix gg; grouping grp {container g;}"
+            "leaf g {type string;}"
+            "container top {uses grp {augment /g {leaf x {type int8;}}}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid descendant-schema-nodeid value \"/g\" - name test expected instead of \"/\".", "/gg:top/{uses='grp'}/{augment='/g'}");
+
+    assert_int_equal(LY_ENOTFOUND, lys_parse_mem(UTEST_LYCTX, "module hh {yang-version 1.1;namespace urn:hh;prefix hh;"
+            "grouping grp {notification g { description \"super g\";}}"
+            "container top {notification h; uses grp {refine h {description \"ultra h\";}}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Refine(s) target node \"h\" in grouping \"grp\" was not found.", "/hh:top/{uses='grp'}");
+
+    assert_int_equal(LY_ENOTFOUND, lys_parse_mem(UTEST_LYCTX, "module ii {yang-version 1.1;namespace urn:ii;prefix ii;"
+            "grouping grp {action g { description \"super g\";}}"
+            "container top {action i; uses grp {refine i {description \"ultra i\";}}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Refine(s) target node \"i\" in grouping \"grp\" was not found.", "/ii:top/{uses='grp'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module jj {yang-version 1.1;namespace urn:jj;prefix jj;"
+            "grouping grp {leaf j { when \"1\"; type invalid;}}"
+            "container top {uses grp;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Referenced type \"invalid\" not found.", "/jj:top/{uses='grp'}/j");
+}
+
+static void
+test_refine(void **state)
+{
+    struct lys_module *mod;
+    struct lysc_node *parent, *child;
+    struct lysc_node_leaf *leaf;
+    struct lysc_node_leaflist *llist;
+    uint8_t dynamic;
+    struct ly_in *in;
+    const char *data, *feats1[] = {"f", NULL}, *feats2[] = {"fa", NULL};
+
+    data = "module grp {yang-version 1.1;namespace urn:grp;prefix g; feature f;typedef mytype {type string; default cheers!;}"
+            "grouping grp {container c {leaf l {type mytype; default goodbye;}"
+            "leaf-list ll {type mytype; default goodbye; max-elements 6;}"
+            "choice ch {default ca; leaf ca {type int8;}leaf cb{type uint8;}}"
+            "leaf x {type mytype; mandatory true; must 1;}"
+            "anydata a {mandatory false; if-feature f; description original; reference original;}"
+            "container c {config false; leaf l {type string;}}}}}";
+    assert_int_equal(LY_SUCCESS, ly_in_new_memory(data, &in));
+    assert_int_equal(LY_SUCCESS, lys_parse(UTEST_LYCTX, in, LYS_IN_YANG, feats1, NULL));
+
+    data = "module a {yang-version 1.1;namespace urn:a;prefix a;import grp {prefix g;}feature fa;"
+            "uses g:grp {refine c/l {default hello; config false;}"
+            "refine c/ll {default hello;default world;}"
+            "refine c/ch {default cb;config true; if-feature fa;}"
+            "refine c/x {mandatory false; must ../ll;description refined; reference refined;}"
+            "refine c/a {mandatory true; must 1; description refined; reference refined;}"
+            "refine c/ll {max-elements 5;}"
+            "refine c/c {config true;presence indispensable;}}}";
+    ly_in_memory(in, data);
+    assert_int_equal(LY_SUCCESS, lys_parse(UTEST_LYCTX, in, LYS_IN_YANG, feats2, &mod));
+    ly_in_free(in, 0);
+
+    assert_non_null((parent = mod->compiled->data));
+    assert_int_equal(LYS_CONTAINER, parent->nodetype);
+    assert_string_equal("c", parent->name);
+    assert_non_null((leaf = (struct lysc_node_leaf *)((struct lysc_node_container *)parent)->child));
+    assert_int_equal(LYS_LEAF, leaf->nodetype);
+    assert_string_equal("l", leaf->name);
+    assert_string_equal("hello", leaf->dflt->realtype->plugin->print(UTEST_LYCTX, leaf->dflt, LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_int_equal(LYS_CONFIG_R, leaf->flags & LYS_CONFIG_MASK);
+    assert_non_null(llist = (struct lysc_node_leaflist *)leaf->next);
+    assert_int_equal(LYS_LEAFLIST, llist->nodetype);
+    assert_string_equal("ll", llist->name);
+    assert_int_equal(2, LY_ARRAY_COUNT(llist->dflts));
+    assert_string_equal("hello", llist->dflts[0]->realtype->plugin->print(UTEST_LYCTX, llist->dflts[0], LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_string_equal("world", llist->dflts[1]->realtype->plugin->print(UTEST_LYCTX, llist->dflts[1], LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_int_equal(5, llist->max);
+    assert_non_null(child = llist->next);
+    assert_int_equal(LYS_CHOICE, child->nodetype);
+    assert_string_equal("ch", child->name);
+    assert_string_equal("cb", ((struct lysc_node_choice *)child)->dflt->name);
+    assert_true(LYS_SET_DFLT & ((struct lysc_node_choice *)child)->dflt->flags);
+    assert_false(LYS_SET_DFLT & ((struct lysc_node_choice *)child)->cases[0].flags);
+    assert_non_null(leaf = (struct lysc_node_leaf *)child->next);
+    assert_int_equal(LYS_LEAF, leaf->nodetype);
+    assert_string_equal("x", leaf->name);
+    assert_false(LYS_MAND_TRUE & leaf->flags);
+    assert_string_equal("cheers!", leaf->dflt->realtype->plugin->print(UTEST_LYCTX, leaf->dflt, LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_non_null(leaf->musts);
+    assert_int_equal(2, LY_ARRAY_COUNT(leaf->musts));
+    assert_string_equal("refined", leaf->dsc);
+    assert_string_equal("refined", leaf->ref);
+    assert_non_null(child = leaf->next);
+    assert_int_equal(LYS_ANYDATA, child->nodetype);
+    assert_string_equal("a", child->name);
+    assert_true(LYS_MAND_TRUE & child->flags);
+    assert_non_null(((struct lysc_node_anydata *)child)->musts);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_node_anydata *)child)->musts));
+    assert_string_equal("refined", child->dsc);
+    assert_string_equal("refined", child->ref);
+    assert_non_null(child = child->next);
+    assert_int_equal(LYS_CONTAINER, child->nodetype);
+    assert_string_equal("c", child->name);
+    assert_true(LYS_PRESENCE & child->flags);
+    assert_true(LYS_CONFIG_W & child->flags);
+    assert_true(LYS_CONFIG_W & ((struct lysc_node_container *)child)->child->flags);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module b {yang-version 1.1;namespace urn:b;prefix b;import grp {prefix g;}"
+            "uses g:grp {status deprecated; refine c/x {default hello; mandatory false;}}}", LYS_IN_YANG, &mod));
+    assert_non_null((leaf = (struct lysc_node_leaf *)((struct lysc_node_container *)mod->compiled->data)->child->prev->prev->prev));
+    assert_int_equal(LYS_LEAF, leaf->nodetype);
+    assert_string_equal("x", leaf->name);
+    assert_false(LYS_MAND_TRUE & leaf->flags);
+    assert_string_equal("hello", leaf->dflt->realtype->plugin->print(UTEST_LYCTX, leaf->dflt, LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module c {namespace urn:c;prefix c;"
+            "grouping alg {leaf alg2 {type bits {"
+            "bit ftp;bit h323-q931;bit h323-ras;bit pptp;bit rtsp;bit sip-tcp;bit sip-udp;bit tftp;bit dns-udp;}}}"
+            "container conf {uses alg {refine alg2 {default \"dns-udp\";}}}}", LYS_IN_YANG, &mod));
+
+    /* invalid */
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa;import grp {prefix g;}"
+            "uses g:grp {refine c {default hello;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid refine of container node - it is not possible to replace \"default\" property.", "/aa:{uses='g:grp'}/aa:c/{refine='c'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module bb {namespace urn:bb;prefix bb;import grp {prefix g;}"
+            "uses g:grp {refine c/l {default hello; default world;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid refine of leaf with too many (2) default properties.", "/bb:{uses='g:grp'}/bb:c/l/{refine='c/l'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module cc {namespace urn:cc;prefix cc;import grp {prefix g;}"
+            "uses g:grp {refine c/ll {default hello; default world;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid refine of default in leaf-list - the default statement is allowed only in YANG 1.1 modules.", "/cc:{uses='g:grp'}/cc:c/ll/{refine='c/ll'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module dd {namespace urn:dd;prefix dd;import grp {prefix g;}"
+            "uses g:grp {refine c/ll {mandatory true;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid refine of leaf-list node - it is not possible to replace \"mandatory\" property.", "/dd:{uses='g:grp'}/dd:c/ll/{refine='c/ll'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ee {namespace urn:ee;prefix ee;import grp {prefix g;}"
+            "uses g:grp {refine c/l {mandatory true;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Compilation of a deviated and/or refined node failed.", "/ee:{uses='g:grp'}/ee:c/l",
+            "Invalid mandatory leaf with a default value.", "/ee:{uses='g:grp'}/ee:c/l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ef {namespace urn:ef;prefix ef;import grp {prefix g;}"
+            "uses g:grp {refine c/ch {mandatory true;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Compilation of a deviated and/or refined node failed.", "/ef:{uses='g:grp'}/ef:c/ch",
+            "Invalid mandatory choice with a default case.", "/ef:{uses='g:grp'}/ef:c/ch");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ff {namespace urn:ff;prefix ff;import grp {prefix g;}"
+            "uses g:grp {refine c/ch/ca/ca {mandatory true;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Mandatory node \"ca\" under the default case \"ca\".", "/ff:{uses='g:grp'}/ff:c/ch");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module gg {namespace urn:gg;prefix gg;import grp {prefix g;}"
+            "uses g:grp {refine c/x {default hello;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Compilation of a deviated and/or refined node failed.", "/gg:{uses='g:grp'}/gg:c/x",
+            "Invalid mandatory leaf with a default value.", "/gg:{uses='g:grp'}/gg:c/x");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module hh {namespace urn:hh;prefix hh;import grp {prefix g;}"
+            "uses g:grp {refine c/c/l {config true;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Compilation of a deviated and/or refined node failed.", "/hh:{uses='g:grp'}/hh:c/c/l",
+            "Configuration node cannot be child of any state data node.", "/hh:{uses='g:grp'}/hh:c/c/l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ii {namespace urn:ii;prefix ii;grouping grp {leaf l {type string; status deprecated;}}"
+            "uses grp {status obsolete;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Inherited schema-only status \"obsolete\" is in conflict with \"deprecated\" status of \"l\".",
+            "/ii:{uses='grp'}/ii:l");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module jj {namespace urn:jj;prefix jj;import grp {prefix g;}"
+            "uses g:grp {refine c/x {presence nonsence;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid refine of leaf node - it is not possible to replace \"presence\" property.", "/jj:{uses='g:grp'}/jj:c/x/{refine='c/x'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module kk {namespace urn:kk;prefix kk;import grp {prefix g;}"
+            "uses g:grp {refine c/ch {must 1;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid refine of choice node - it is not possible to add \"must\" property.", "/kk:{uses='g:grp'}/kk:c/ch/{refine='c/ch'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ll {namespace urn:ll;prefix ll;import grp {prefix g;}"
+            "uses g:grp {refine c/x {min-elements 1;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid refine of leaf node - it is not possible to replace \"min-elements\" property.", "/ll:{uses='g:grp'}/ll:c/x/{refine='c/x'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module mm {namespace urn:mm;prefix mm;import grp {prefix g;}"
+            "uses g:grp {refine c/ll {min-elements 1;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Compilation of a deviated and/or refined node failed.", "/mm:{uses='g:grp'}/mm:c/ll",
+            "The default statement is present on leaf-list with a nonzero min-elements.", "/mm:{uses='g:grp'}/mm:c/ll");
+}
+
+static void
+test_augment(void **state)
+{
+    struct lys_module *mod;
+    const struct lysc_node *node;
+    const struct lysc_node_choice *ch;
+    const struct lysc_node_case *c;
+    const struct lysc_node_container *cont;
+    const struct lysc_node_action *rpc;
+
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "module a {namespace urn:a;prefix a; typedef atype {type string;}"
+            "container top {leaf a {type string;}}}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module b {namespace urn:b;prefix b;import a {prefix a;}"
+            "leaf b {type a:atype;}}", LYS_IN_YANG, &mod));
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "module c {namespace urn:c;prefix c; import a {prefix a;}"
+            "augment /a:top { container c {leaf c {type a:atype;}}}}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module d {namespace urn:d;prefix d;import a {prefix a;} import c {prefix c;}"
+            "augment /a:top/c:c { leaf d {type a:atype;} leaf c {type string;}}}", LYS_IN_YANG, &mod));
+    assert_non_null((mod = ly_ctx_get_module_implemented(UTEST_LYCTX, "a")));
+    assert_non_null(ly_ctx_get_module_implemented(UTEST_LYCTX, "b"));
+    assert_non_null(ly_ctx_get_module_implemented(UTEST_LYCTX, "c"));
+    assert_non_null(ly_ctx_get_module_implemented(UTEST_LYCTX, "d"));
+    assert_non_null(node = mod->compiled->data);
+    assert_string_equal(node->name, "top");
+    assert_non_null(node = lysc_node_child(node));
+    assert_string_equal(node->name, "a");
+    assert_non_null(node = node->next);
+    assert_string_equal(node->name, "c");
+    assert_non_null(node = lysc_node_child(node));
+    assert_string_equal(node->name, "c");
+    assert_non_null(node = node->next);
+    assert_string_equal(node->name, "d");
+    assert_non_null(node = node->next);
+    assert_string_equal(node->name, "c");
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module e {namespace urn:e;prefix e;choice ch {leaf a {type string;}}"
+            "augment /ch/c {when 1; leaf lc2 {type uint16;}}"
+            "augment /ch { when 1; leaf b {type int8;} case c {leaf lc1 {type uint8;}}}}", LYS_IN_YANG, &mod));
+    assert_non_null((ch = (const struct lysc_node_choice *)mod->compiled->data));
+    assert_null(mod->compiled->data->next);
+    assert_string_equal("ch", ch->name);
+
+    assert_non_null(c = (const struct lysc_node_case *)ch->cases);
+    assert_string_equal("a", c->name);
+    assert_null(c->when);
+    assert_string_equal("a", c->child->name);
+
+    assert_non_null(c = (const struct lysc_node_case *)c->next);
+    assert_string_equal("b", c->name);
+    assert_non_null(c->when);
+    assert_string_equal("b", c->child->name);
+
+    assert_non_null(c = (const struct lysc_node_case *)c->next);
+    assert_string_equal("c", c->name);
+    assert_non_null(c->when);
+    assert_string_equal("lc1", ((const struct lysc_node_case *)c)->child->name);
+    assert_null(lysc_node_when(((const struct lysc_node_case *)c)->child));
+    assert_string_equal("lc2", ((const struct lysc_node_case *)c)->child->next->name);
+    assert_non_null(lysc_node_when(((const struct lysc_node_case *)c)->child->next));
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module f {namespace urn:f;prefix f;grouping g {leaf a {type string;}}"
+            "container c;"
+            "augment /c {uses g;}}", LYS_IN_YANG, &mod));
+    assert_non_null(node = lysc_node_child(mod->compiled->data));
+    assert_string_equal(node->name, "a");
+
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "submodule gsub {belongs-to g {prefix g;}"
+            "augment /c {container sub;}}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module g {namespace urn:g;prefix g;include gsub; container c;"
+            "augment /c/sub {leaf main {type string;}}}", LYS_IN_YANG, &mod));
+    assert_non_null(mod->compiled->data);
+    assert_string_equal("c", mod->compiled->data->name);
+    assert_non_null(node = ((struct lysc_node_container *)mod->compiled->data)->child);
+    assert_string_equal("sub", node->name);
+    assert_non_null(node = ((struct lysc_node_container *)node)->child);
+    assert_string_equal("main", node->name);
+
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "module himp {namespace urn:hi;prefix hi;container top; rpc func;}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module h {namespace urn:h;prefix h;import himp {prefix hi;}container top;"
+            "augment /hi:top {container p {presence XXX; leaf x {mandatory true;type string;}}}"
+            "augment /hi:top {list ll {key x;leaf x {type string;}leaf y {mandatory true; type string;}}}"
+            "augment /hi:top {leaf l {type string; mandatory true; config false;}}"
+            "augment /top {leaf l {type string; mandatory true;}}}", LYS_IN_YANG, &mod));
+    assert_non_null(node = mod->compiled->data);
+    assert_non_null(node = ((struct lysc_node_container *)node)->child);
+    assert_string_equal("l", node->name);
+    assert_true(node->flags & LYS_MAND_TRUE);
+    assert_non_null(mod = ly_ctx_get_module_implemented(UTEST_LYCTX, "himp"));
+    assert_non_null(node = mod->compiled->data);
+    assert_non_null(node = ((struct lysc_node_container *)node)->child);
+    assert_string_equal("p", node->name);
+    assert_non_null(node = node->next);
+    assert_string_equal("l", node->name);
+    assert_true(node->flags & LYS_CONFIG_R);
+    assert_non_null(node = node->next);
+    assert_string_equal("ll", node->name);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module i {namespace urn:i;prefix i;import himp {prefix hi;}"
+            "augment /hi:func/hi:input {leaf x {type string;}}"
+            "augment /hi:func/hi:output {leaf y {type string;}}}", LYS_IN_YANG, NULL));
+    assert_non_null(mod = ly_ctx_get_module_implemented(UTEST_LYCTX, "himp"));
+    assert_non_null(rpc = mod->compiled->rpcs);
+    assert_null(rpc->next);
+    assert_non_null(rpc->input.child);
+    assert_string_equal("x", rpc->input.child->name);
+    assert_null(rpc->input.child->next);
+    assert_non_null(rpc->output.child);
+    assert_string_equal("y", rpc->output.child->name);
+    assert_null(rpc->output.child->next);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module j {namespace urn:j;prefix j;yang-version 1.1; container root;"
+            "grouping grp {notification grp-notif;}"
+            "augment /root {uses grp;}}", LYS_IN_YANG, &mod));
+    assert_non_null(cont = (const struct lysc_node_container *)mod->compiled->data);
+    assert_null(cont->child);
+    assert_non_null(cont->notifs);
+    assert_null(cont->notifs->next);
+
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, NULL, NULL);
+    UTEST_LOG_CLEAN;
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module k {namespace urn:k; prefix k;yang-version 1.1;"
+            "feature f;"
+            "container c {if-feature f; leaf a {type string;}}}", LYS_IN_YANG, &mod));
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module l {namespace urn:l; prefix l; yang-version 1.1;"
+            "import k {prefix k;}"
+            "augment /k:c {leaf b {type string;}}"
+            "leaf c {when \"/k:c/l:b\"; type string;}}", LYS_IN_YANG, NULL));
+    /* no xpath warning expected */
+    CHECK_LOG(NULL, NULL);
+    assert_null(mod->compiled->data);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module m {namespace urn:m;prefix m;yang-version 1.1;"
+            "feature f;"
+            "container root{container cont{if-feature f;}}"
+            "augment /root/cont {if-feature f; leaf l{type string;}}}", LYS_IN_YANG, &mod));
+    assert_non_null(cont = (const struct lysc_node_container *)mod->compiled->data);
+    assert_null(cont->child);
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa; container c {leaf a {type string;}}"
+            "augment /x/ {leaf a {type int8;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid absolute-schema-nodeid value \"/x/\" - unexpected end of expression.", "/aa:{augment='/x/'}");
+
+    assert_int_equal(LY_ENOTFOUND, lys_parse_mem(UTEST_LYCTX, "module aa {namespace urn:aa;prefix aa; container c {leaf a {type string;}}"
+            "augment /x {leaf a {type int8;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Augment target node \"/x\" from module \"aa\" was not found.", "/aa:{augment='/x'}");
+
+    assert_int_equal(LY_EEXIST, lys_parse_mem(UTEST_LYCTX, "module bb {namespace urn:bb;prefix bb; container c {leaf a {type string;}}"
+            "augment /c {leaf a {type int8;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Duplicate identifier \"a\" of data definition/RPC/action/notification statement.", "/bb:{augment='/c'}/a");
+
+    assert_int_equal(LY_ENOTFOUND, lys_parse_mem(UTEST_LYCTX, "module cc {namespace urn:cc;prefix cc; container c {leaf a {type string;}}"
+            "augment /c/a {leaf a {type int8;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Augment target node \"/c/a\" from module \"cc\" was not found.", "/cc:{augment='/c/a'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module dd {namespace urn:dd;prefix dd; container c {leaf a {type string;}}"
+            "augment /c {case b {leaf d {type int8;}}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid augment of container node which is not allowed to contain case node \"b\".", "/dd:{augment='/c'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ee {namespace urn:ee;prefix ee; import himp {prefix hi;}"
+            "augment /hi:top {container c {leaf d {mandatory true; type int8;}}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid augment adding mandatory node \"c\" without making it conditional via when statement.", "/ee:{augment='/hi:top'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ff {namespace urn:ff;prefix ff; container top;"
+            "augment ../top {leaf x {type int8;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid absolute-schema-nodeid value \"../top\" - \"/\" expected instead of \"..\".", "/ff:{augment='../top'}");
+
+    assert_int_equal(LY_ENOTFOUND, lys_parse_mem(UTEST_LYCTX, "module gg {namespace urn:gg;prefix gg; rpc func;"
+            "augment /func {leaf x {type int8;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Augment target node \"/func\" from module \"gg\" was not found.", "/gg:{augment='/func'}");
+
+    assert_int_equal(LY_ENOTFOUND, lys_parse_mem(UTEST_LYCTX, "module hh {namespace urn:hh;prefix hh;import himp {prefix hi;}"
+            "augment /hi:func/input {leaf x {type string;}}"
+            "augment /hi:func/output {leaf y {type string;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Augment target node \"/hi:func/input\" from module \"hh\" was not found.", "/hh:{augment='/hi:func/input'}");
+}
+
+static void
+test_deviation(void **state)
+{
+    struct lys_module *mod;
+    const struct lysc_node *node;
+    const struct lysc_node_list *list;
+    const struct lysc_node_leaflist *llist;
+    const struct lysc_node_leaf *leaf;
+    const char *str;
+    uint8_t dynamic;
+
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "module a {namespace urn:a;prefix a;"
+            "container top {leaf a {type string;} leaf b {type string;} leaf c {type string;}}"
+            "choice ch {default c; case b {leaf b{type string;}} case a {leaf a{type string;} leaf x {type string;}}"
+            " case c {leaf c{type string;}}}"
+            "rpc func1 { input { leaf x {type int8;}} output {leaf y {type int8;}}}"
+            "rpc func2;}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module b {namespace urn:b;prefix b;import a {prefix a;}"
+            "deviation /a:top/a:b {deviate not-supported;}"
+            "deviation /a:ch/a:a/a:x {deviate not-supported;}"
+            "deviation /a:ch/a:c {deviate not-supported;}"
+            "deviation /a:ch/a:b {deviate not-supported;}"
+            "deviation /a:ch/a:a/a:a {deviate not-supported;}"
+            "deviation /a:ch {deviate replace {default a;}}"
+            "deviation /a:func1/a:input {deviate not-supported;}"
+            "deviation /a:func1/a:output {deviate not-supported;}"
+            "deviation /a:func2 {deviate not-supported;}}", LYS_IN_YANG, NULL));
+    assert_non_null((mod = ly_ctx_get_module_implemented(UTEST_LYCTX, "a")));
+    assert_non_null(node = mod->compiled->data);
+    assert_string_equal(node->name, "top");
+    assert_non_null(node = lysc_node_child(node));
+    assert_string_equal(node->name, "a");
+    assert_non_null(node = node->next);
+    assert_string_equal(node->name, "c");
+    assert_null(node = node->next);
+    assert_non_null(node = mod->compiled->data->next);
+    assert_string_equal("ch", node->name);
+    assert_non_null(((struct lysc_node_choice *)node)->dflt);
+    assert_non_null(((struct lysc_node_choice *)node)->cases);
+    assert_null(((struct lysc_node_choice *)node)->cases->next);
+    assert_non_null(mod->compiled->rpcs);
+    assert_null(mod->compiled->rpcs->next);
+    assert_null(mod->compiled->rpcs->input.child);
+    assert_null(mod->compiled->rpcs->output.child);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module c {namespace urn:c;prefix c; typedef mytype {type string; units kilometers;}"
+            "leaf c1 {type mytype;} leaf c2 {type mytype; units meters;} leaf c3 {type mytype; units meters;}"
+            "deviation /c1 {deviate add {units meters;}}"
+            "deviation /c2 {deviate delete {units meters;}}"
+            "deviation /c3 {deviate replace {units centimeters;}}}", LYS_IN_YANG, &mod));
+    assert_non_null(node = mod->compiled->data);
+    assert_string_equal("c1", node->name);
+    assert_string_equal("meters", ((struct lysc_node_leaf *)node)->units);
+    assert_non_null(node = node->next);
+    assert_string_equal("c2", node->name);
+    assert_string_equal("kilometers", ((struct lysc_node_leaf *)node)->units);
+    assert_non_null(node = node->next);
+    assert_string_equal("c3", node->name);
+    assert_string_equal("centimeters", ((struct lysc_node_leaf *)node)->units);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module d {namespace urn:d;prefix d; leaf c1 {type string; must 1;}"
+            "container c2 {presence yes; must 1; must 2;} leaf c3 {type string; must 1; must 3;}"
+            "deviation /c1 {deviate add {must 3;}}"
+            "deviation /c2 {deviate delete {must 2;}}"
+            "deviation /c3 {deviate delete {must 3; must 1;}}}", LYS_IN_YANG, &mod));
+    assert_non_null(node = mod->compiled->data);
+    assert_string_equal("c1", node->name);
+    assert_int_equal(2, LY_ARRAY_COUNT(((struct lysc_node_leaf *)node)->musts));
+    assert_string_equal("3", ((struct lysc_node_leaf *)node)->musts[1].cond->expr);
+    assert_non_null(node = node->next);
+    assert_string_equal("c2", node->name);
+    assert_int_equal(1, LY_ARRAY_COUNT(((struct lysc_node_container *)node)->musts));
+    assert_string_equal("1", ((struct lysc_node_container *)node)->musts[0].cond->expr);
+    assert_non_null(node = node->next);
+    assert_string_equal("c3", node->name);
+    assert_null(((struct lysc_node_leaf *)node)->musts);
+
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "module e {yang-version 1.1; namespace urn:e;prefix e; typedef mytype {type string; default nothing;}"
+            "choice a {default aa;leaf aa {type string;} leaf ab {type string;} leaf ac {type string; mandatory true;}}"
+            "choice b {default ba;leaf ba {type string;} leaf bb {type string;}}"
+            "leaf c {default hello; type string;}"
+            "leaf-list d {default hello; default world; type string;}"
+            "leaf c2 {type mytype;} leaf-list d2 {type mytype;}}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module f {yang-version 1.1; namespace urn:f;prefix f;import e {prefix x;}"
+            "deviation /x:a {deviate delete {default aa;}}"
+            "deviation /x:b {deviate delete {default ba;}}"
+            "deviation /x:c {deviate delete {default hello;}}"
+            "deviation /x:d {deviate delete {default world;}}}", LYS_IN_YANG, NULL));
+    assert_non_null((mod = ly_ctx_get_module_implemented(UTEST_LYCTX, "e")));
+    assert_non_null(node = mod->compiled->data);
+    assert_null(((struct lysc_node_choice *)node)->dflt);
+    assert_non_null(node = node->next);
+    assert_null(((struct lysc_node_choice *)node)->dflt);
+    assert_non_null(leaf = (struct lysc_node_leaf *)node->next);
+    assert_null(leaf->dflt);
+    assert_non_null(llist = (struct lysc_node_leaflist *)leaf->next);
+    assert_int_equal(1, LY_ARRAY_COUNT(llist->dflts));
+    assert_string_equal("hello", llist->dflts[0]->realtype->plugin->print(UTEST_LYCTX, llist->dflts[0], LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_non_null(leaf = (struct lysc_node_leaf *)llist->next);
+    assert_string_equal("nothing", leaf->dflt->realtype->plugin->print(UTEST_LYCTX, leaf->dflt, LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_int_equal(5, leaf->dflt->realtype->refcount);     /* 3x type reference, 2x default value reference (typedef's default does not reference own type) */
+    assert_non_null(llist = (struct lysc_node_leaflist *)leaf->next);
+    assert_int_equal(1, LY_ARRAY_COUNT(llist->dflts));
+    assert_string_equal("nothing", llist->dflts[0]->realtype->plugin->print(UTEST_LYCTX, llist->dflts[0], LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module g {yang-version 1.1; namespace urn:g;prefix g;import e {prefix x;}"
+            "deviation /x:b {deviate add {default x:ba;}}"
+            "deviation /x:c {deviate add {default bye;}}"
+            "deviation /x:d {deviate add {default all; default people;}}"
+            "deviation /x:c2 {deviate add {default hi; must 1;}}"
+            "deviation /x:d2 {deviate add {default hi; default all;}}}", LYS_IN_YANG, NULL));
+    assert_non_null((mod = ly_ctx_get_module_implemented(UTEST_LYCTX, "e")));
+    assert_non_null(node = mod->compiled->data);
+    assert_null(((struct lysc_node_choice *)node)->dflt);
+    assert_non_null(node = node->next);
+    assert_non_null(((struct lysc_node_choice *)node)->dflt);
+    assert_string_equal("ba", ((struct lysc_node_choice *)node)->dflt->name);
+    assert_non_null(leaf = (struct lysc_node_leaf *)node->next);
+    assert_non_null(leaf->dflt);
+    assert_string_equal("bye", leaf->dflt->realtype->plugin->print(UTEST_LYCTX, leaf->dflt, LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_non_null(llist = (struct lysc_node_leaflist *)leaf->next);
+    assert_int_equal(3, LY_ARRAY_COUNT(llist->dflts));
+    assert_string_equal("hello", llist->dflts[0]->realtype->plugin->print(UTEST_LYCTX, llist->dflts[0], LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_string_equal("all", llist->dflts[1]->realtype->plugin->print(UTEST_LYCTX, llist->dflts[1], LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_string_equal("people", llist->dflts[2]->realtype->plugin->print(UTEST_LYCTX, llist->dflts[2], LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_non_null(leaf = (struct lysc_node_leaf *)llist->next);
+    assert_non_null(leaf->dflt);
+    assert_string_equal("hi", leaf->dflt->realtype->plugin->print(UTEST_LYCTX, leaf->dflt, LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_int_equal(6, leaf->dflt->realtype->refcount);     /* 3x type reference, 3x default value reference
+    - previous type's default values were replaced by node's default values where d2 now has 2 default values */
+    assert_int_equal(1, LY_ARRAY_COUNT(leaf->musts));
+    assert_int_equal(1, LY_ARRAY_COUNT(leaf->musts[0].prefixes));
+    assert_non_null(llist = (struct lysc_node_leaflist *)leaf->next);
+    assert_int_equal(2, LY_ARRAY_COUNT(llist->dflts));
+    assert_string_equal("hi", llist->dflts[0]->realtype->plugin->print(UTEST_LYCTX, llist->dflts[0], LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_string_equal("all", llist->dflts[1]->realtype->plugin->print(UTEST_LYCTX, llist->dflts[1], LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module h {yang-version 1.1; namespace urn:h;prefix h;import e {prefix x;}"
+            "deviation /x:b {deviate replace {default x:ba;}}"
+            "deviation /x:c {deviate replace {default hello;}}}", LYS_IN_YANG, NULL));
+    assert_non_null((mod = ly_ctx_get_module_implemented(UTEST_LYCTX, "e")));
+    assert_non_null(node = mod->compiled->data);
+    assert_null(((struct lysc_node_choice *)node)->dflt);
+    assert_non_null(node = node->next);
+    assert_non_null(((struct lysc_node_choice *)node)->dflt);
+    assert_string_equal("ba", ((struct lysc_node_choice *)node)->dflt->name);
+    assert_non_null(leaf = (struct lysc_node_leaf *)node->next);
+    assert_non_null(leaf->dflt);
+    assert_string_equal("hello", leaf->dflt->realtype->plugin->print(UTEST_LYCTX, leaf->dflt, LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "module i {namespace urn:i;prefix i;"
+            "list l1 {key a; leaf a {type string;} leaf b {type string;} leaf c {type string;}}"
+            "list l2 {key a; unique \"b c\"; unique \"d\"; leaf a {type string;} leaf b {type string;}"
+            "         leaf c {type string;} leaf d {type string;}}}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module j {namespace urn:j;prefix j;import i {prefix i;}"
+            "augment /i:l1 {leaf j_c {type string;}}"
+            "deviation /i:l1 {deviate add {unique \"b j:j_c\"; }}"
+            "deviation /i:l1 {deviate add {unique \"i:c\";}}"
+            "deviation /i:l2 {deviate delete {unique \"d\"; unique \"b c\";}}}", LYS_IN_YANG, NULL));
+    assert_non_null((mod = ly_ctx_get_module_implemented(UTEST_LYCTX, "i")));
+    assert_non_null(list = (struct lysc_node_list *)mod->compiled->data);
+    assert_string_equal("l1", list->name);
+    assert_int_equal(2, LY_ARRAY_COUNT(list->uniques));
+    assert_int_equal(2, LY_ARRAY_COUNT(list->uniques[0]));
+    assert_string_equal("b", list->uniques[0][0]->name);
+    assert_string_equal("j_c", list->uniques[0][1]->name);
+    assert_int_equal(1, LY_ARRAY_COUNT(list->uniques[1]));
+    assert_string_equal("c", list->uniques[1][0]->name);
+    assert_non_null(list = (struct lysc_node_list *)list->next);
+    assert_string_equal("l2", list->name);
+    assert_null(list->uniques);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module k {namespace urn:k;prefix k; leaf a {type string;}"
+            "container top {leaf x {type string;} leaf y {type string; config false;}}"
+            "deviation /a {deviate add {config false; }}"
+            "deviation /top {deviate add {config false;}}}", LYS_IN_YANG, &mod));
+    assert_non_null(node = mod->compiled->data);
+    assert_string_equal("a", node->name);
+    assert_true(node->flags & LYS_CONFIG_R);
+    assert_non_null(node = node->next);
+    assert_string_equal("top", node->name);
+    assert_true(node->flags & LYS_CONFIG_R);
+    assert_non_null(node = lysc_node_child(node));
+    assert_string_equal("x", node->name);
+    assert_true(node->flags & LYS_CONFIG_R);
+    assert_non_null(node = node->next);
+    assert_string_equal("y", node->name);
+    assert_true(node->flags & LYS_CONFIG_R);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module l {namespace urn:l;prefix l; leaf a {config false; type string;}"
+            "container top {config false; leaf x {type string;}}"
+            "deviation /a {deviate replace {config true;}}"
+            "deviation /top {deviate replace {config true;}}}", LYS_IN_YANG, &mod));
+    assert_non_null(node = mod->compiled->data);
+    assert_string_equal("a", node->name);
+    assert_true(node->flags & LYS_CONFIG_W);
+    assert_non_null(node = node->next);
+    assert_string_equal("top", node->name);
+    assert_true(node->flags & LYS_CONFIG_W);
+    assert_non_null(node = lysc_node_child(node));
+    assert_string_equal("x", node->name);
+    assert_true(node->flags & LYS_CONFIG_W);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module m {namespace urn:m;prefix m;"
+            "container a {leaf a {type string;}}"
+            "container b {leaf b {mandatory true; type string;}}"
+            "deviation /a/a {deviate add {mandatory true;}}"
+            "deviation /b/b {deviate replace {mandatory false;}}}", LYS_IN_YANG, &mod));
+    assert_non_null(node = mod->compiled->data);
+    assert_string_equal("a", node->name);
+    assert_true((node->flags & LYS_MAND_MASK) == LYS_MAND_TRUE);
+    assert_true((lysc_node_child(node)->flags & LYS_MAND_MASK) == LYS_MAND_TRUE);
+    assert_non_null(node = node->next);
+    assert_string_equal("b", node->name);
+    assert_false(node->flags & LYS_MAND_MASK);     /* just unset on container */
+    assert_true((lysc_node_child(node)->flags & LYS_MAND_MASK) == LYS_MAND_FALSE);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module n {yang-version 1.1; namespace urn:n;prefix n;"
+            "leaf a {default test; type string;}"
+            "leaf b {mandatory true; type string;}"
+            "deviation /a {deviate add {mandatory true;} deviate delete {default test;}}"
+            "deviation /b {deviate add {default test;} deviate replace {mandatory false;}}}", LYS_IN_YANG, &mod));
+    assert_non_null(node = mod->compiled->data);
+    assert_string_equal("a", node->name);
+    assert_null(((struct lysc_node_leaf *)node)->dflt);
+    assert_true((node->flags & LYS_MAND_MASK) == LYS_MAND_TRUE);
+    assert_non_null(node = node->next);
+    assert_string_equal("b", node->name);
+    assert_non_null(((struct lysc_node_leaf *)node)->dflt);
+    assert_true((node->flags & LYS_MAND_MASK) == LYS_MAND_FALSE);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module o {namespace urn:o;prefix o;"
+            "leaf-list a {type string;}"
+            "list b {config false;}"
+            "leaf-list c {min-elements 1; max-elements 10; type string;}"
+            "list d {min-elements 10; max-elements 100; config false;}"
+            "deviation /a {deviate add {min-elements 1; max-elements 10;}}"
+            "deviation /b {deviate add {min-elements 10; max-elements 100;}}"
+            "deviation /c {deviate replace {min-elements 10; max-elements 100;}}"
+            "deviation /d {deviate replace {min-elements 1; max-elements 10;}}}", LYS_IN_YANG, &mod));
+    assert_non_null(node = mod->compiled->data);
+    assert_string_equal("a", node->name);
+    assert_int_equal(1, ((struct lysc_node_leaflist *)node)->min);
+    assert_int_equal(10, ((struct lysc_node_leaflist *)node)->max);
+    assert_non_null(node = node->next);
+    assert_string_equal("b", node->name);
+    assert_int_equal(10, ((struct lysc_node_list *)node)->min);
+    assert_int_equal(100, ((struct lysc_node_list *)node)->max);
+    assert_non_null(node = node->next);
+    assert_string_equal("c", node->name);
+    assert_int_equal(10, ((struct lysc_node_leaflist *)node)->min);
+    assert_int_equal(100, ((struct lysc_node_leaflist *)node)->max);
+    assert_non_null(node = node->next);
+    assert_string_equal("d", node->name);
+    assert_int_equal(1, ((struct lysc_node_list *)node)->min);
+    assert_int_equal(10, ((struct lysc_node_list *)node)->max);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module p {yang-version 1.1; namespace urn:p;prefix p; typedef mytype {type int8; default 1;}"
+            "leaf a {type string; default 10;} leaf-list b {type string;}"
+            "deviation /a {deviate replace {type mytype;}}"
+            "deviation /b {deviate replace {type mytype;}}}", LYS_IN_YANG, &mod));
+    assert_non_null(leaf = (struct lysc_node_leaf *)mod->compiled->data);
+    assert_string_equal("a", leaf->name);
+    assert_int_equal(LY_TYPE_INT8, leaf->type->basetype);
+    assert_string_equal("10", leaf->dflt->realtype->plugin->print(UTEST_LYCTX, leaf->dflt, LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_int_equal(10, leaf->dflt->uint8);
+    assert_non_null(llist = (struct lysc_node_leaflist *)leaf->next);
+    assert_string_equal("b", llist->name);
+    assert_int_equal(LY_TYPE_INT8, llist->type->basetype);
+    assert_int_equal(1, LY_ARRAY_COUNT(llist->dflts));
+    assert_string_equal("1", llist->dflts[0]->realtype->plugin->print(UTEST_LYCTX, llist->dflts[0], LY_VALUE_SCHEMA, NULL, &dynamic, NULL));
+    assert_int_equal(0, dynamic);
+    assert_int_equal(1, llist->dflts[0]->uint8);
+
+    /* instance-identifiers with NULL canonical are changed to string types with a canonical value equal to the original value */
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module q {yang-version 1.1; namespace urn:q;prefix q; import e {prefix e;}"
+            "leaf q {type instance-identifier; default \"/e:d2[.='a']\";}"
+            "leaf-list ql {type instance-identifier; default \"/e:d[.='b']\"; default \"/e:d2[.='c']\";}}", LYS_IN_YANG, &mod));
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module qdev {yang-version 1.1; namespace urn:qdev;prefix qd; import q {prefix q;}"
+            "deviation /q:q { deviate replace {type string;}}"
+            "deviation /q:ql { deviate replace {type string;}}}", LYS_IN_YANG, NULL));
+    assert_non_null(leaf = (struct lysc_node_leaf *)mod->compiled->data);
+    assert_int_equal(LY_TYPE_STRING, leaf->dflt->realtype->basetype);
+    assert_non_null(leaf->dflt->realtype->plugin->print(UTEST_LYCTX, leaf->dflt, LY_VALUE_CANON, NULL, NULL, NULL));
+    assert_string_equal("/e:d2[.='a']", leaf->dflt->_canonical);
+    assert_non_null(llist = (struct lysc_node_leaflist *)leaf->next);
+    assert_int_equal(2, LY_ARRAY_COUNT(llist->dflts));
+    assert_int_equal(LY_TYPE_STRING, llist->dflts[0]->realtype->basetype);
+    assert_string_equal("/e:d[.='b']", llist->dflts[0]->_canonical);
+    assert_int_equal(LY_TYPE_STRING, llist->dflts[0]->realtype->basetype);
+    assert_string_equal("/e:d2[.='c']", llist->dflts[1]->_canonical);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module r {yang-version 1.1; namespace urn:r;prefix r;"
+            "typedef mytype {type uint8; default 200;}"
+            "leaf r {type mytype;} leaf-list lr {type mytype;}"
+            "deviation /r:r {deviate replace {type string;}}"
+            "deviation /r:lr {deviate replace {type string;}}}", LYS_IN_YANG, &mod));
+    assert_non_null(leaf = (struct lysc_node_leaf *)mod->compiled->data);
+    assert_string_equal("r", leaf->name);
+    assert_null(leaf->dflt);
+    assert_non_null(llist = (struct lysc_node_leaflist *)leaf->next);
+    assert_string_equal("lr", llist->name);
+    assert_null(llist->dflts);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module s {yang-version 1.1; namespace urn:s;prefix s;"
+            "leaf s {type instance-identifier {require-instance true;} default /s:x;}"
+            "leaf x {type string;} leaf y {type string;}"
+            "deviation /s:s {deviate replace {default /s:y;}}}", LYS_IN_YANG, &mod));
+    assert_non_null(leaf = (struct lysc_node_leaf *)mod->compiled->data);
+    assert_string_equal("s", leaf->name);
+    assert_non_null(leaf->dflt);
+    assert_non_null(str = leaf->dflt->realtype->plugin->print(UTEST_LYCTX, leaf->dflt, LY_VALUE_SCHEMA, mod->parsed, &dynamic, NULL));
+    assert_string_equal("/s:y", str);
+    if (dynamic) {
+        free((char *)str);
+    }
+
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "module t {namespace urn:t;prefix t;"
+            "leaf l {type string;}}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module u {namespace urn:u;prefix u;import t {prefix t;}"
+            "identity ident;"
+            "deviation /t:l {deviate replace {type identityref {base ident;}}}"
+            "}", LYS_IN_YANG, NULL));
+    assert_non_null((mod = ly_ctx_get_module_implemented(UTEST_LYCTX, "t")));
+    assert_non_null(leaf = (struct lysc_node_leaf *)mod->compiled->data);
+    assert_string_equal("l", leaf->name);
+    assert_int_equal(LY_TYPE_IDENT, leaf->type->basetype);
+    assert_string_equal("ident", ((struct lysc_type_identityref *)leaf->type)->bases[0]->name);
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module v {namespace urn:v;prefix v;"
+            "identity ident; identity ident2 { base ident; }"
+            "}", LYS_IN_YANG, NULL));
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "submodule w-sub { belongs-to w { prefix w; }"
+            "import v { prefix v_pref; }"
+            "leaf l { type string; default \"v_pref:ident2\"; }"
+            "}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module w {namespace urn:w;prefix w;"
+            "include w-sub;"
+            "}", LYS_IN_YANG, &mod));
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module x {namespace urn:x;prefix x;"
+            "import w { prefix w_pref; } import v { prefix v_pref; }"
+            "deviation /w_pref:l { deviate replace { type identityref { base v_pref:ident; } } }"
+            "}", LYS_IN_YANG, NULL));
+    assert_non_null(leaf = (struct lysc_node_leaf *)mod->compiled->data);
+    assert_string_equal("l", leaf->name);
+    assert_int_equal(LY_TYPE_IDENT, leaf->type->basetype);
+
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "module y {namespace urn:y;prefix y;"
+            "leaf l1 {type string;}"
+            "leaf l2 {type string;}"
+            "}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module z {namespace urn:z;prefix z;"
+            "import y {prefix y;}"
+            "deviation \"/y:l1\" {deviate replace {type leafref {path \"/l2\";}}}"
+            "deviation \"/y:l2\" {deviate replace {type leafref {path \"/z:al2\";}}}"
+            "leaf al2 {type string;}"
+            "}", LYS_IN_YANG, NULL));
+    assert_non_null((mod = ly_ctx_get_module_implemented(UTEST_LYCTX, "y")));
+    assert_non_null(leaf = (struct lysc_node_leaf *)mod->compiled->data);
+    assert_string_equal("l1", leaf->name);
+    assert_int_equal(LY_TYPE_LEAFREF, leaf->type->basetype);
+    leaf = (struct lysc_node_leaf *)leaf->next;
+    assert_string_equal("l2", leaf->name);
+    assert_int_equal(LY_TYPE_LEAFREF, leaf->type->basetype);
+
+    /* complex dependencies */
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module m-base {namespace urn:m-base;prefix mb;"
+            "container cont {leaf l {type string;} leaf l2 {type string;}}}", LYS_IN_YANG, NULL));
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "module m-base-aug {namespace urn:m-base-aug;prefix mba;"
+            "import m-base {prefix mb;}"
+            "augment /mb:cont {leaf l {type string;} leaf l2 {type string;}}"
+            "container cont2 {leaf l {type string;}}}"
+            "\n"
+            "module m-base-aug2 {namespace urn:m-base-aug2;prefix mba2;"
+            "import m-base {prefix mb;} import m-base-aug {prefix mba;}"
+            "augment /mb:cont {leaf augl1 {type string;}}"
+            "augment /mba:cont2 {leaf augl2 {type string;}}}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module m-dev {namespace urn:m-dev;prefix md;"
+            "import m-base-aug {prefix mba;} import m-base-aug2 {prefix mba2;}"
+            "deviation /mba:cont2/mba2:augl2 {deviate not-supported;}}", LYS_IN_YANG, NULL));
+    assert_non_null((mod = ly_ctx_get_module_implemented(UTEST_LYCTX, "m-base-aug")));
+    node = mod->compiled->data;
+    assert_string_equal(node->name, "cont2");
+    assert_non_null(node = lysc_node_child(node));
+    assert_string_equal(node->name, "l");
+    assert_null(node->next);
+
+    /* default identity referencing deprecated */
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "module a1-imp {namespace urn:a1-imp;prefix a1i;"
+            "identity id-base;"
+            "identity id1 {base id-base; status deprecated;}"
+            "leaf l {type identityref {base \"id-base\";}}"
+            "}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a1 {namespace urn:a1;prefix a1;"
+            "import a1-imp {prefix a1i;}"
+            "deviation \"/a1i:l\" {deviate add {default \"a1i:id1\";}}"
+            "}", LYS_IN_YANG, NULL));
+
+    /* default instance-identifier referencing deprecated */
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "module a2-imp {namespace urn:a2-imp;prefix a2i;"
+            "leaf l {type instance-identifier;}"
+            "leaf k {type string; status deprecated;}"
+            "}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a2 {namespace urn:a2;prefix a2;"
+            "import a2-imp {prefix a2i;}"
+            "deviation \"/a2i:l\" {deviate add {default \"/a2i:k\";}}"
+            "}", LYS_IN_YANG, NULL));
+
+    /* must referencing deprecated */
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "module a3-imp {namespace urn:a3-imp;prefix a3i;"
+            "leaf l {type string;}"
+            "leaf k {type string; status deprecated;}"
+            "}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a3 {namespace urn:a3;prefix a3;"
+            "import a3-imp {prefix a3i;}"
+            "deviation \"/a3i:l\" {deviate add {must \"string-length(/a3i:k) > 0\";}}"
+            "}", LYS_IN_YANG, NULL));
+
+    /* type leafref referencing deprecated */
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "module a4-imp {namespace urn:a4-imp;prefix a4i;"
+            "leaf l {type string;}"
+            "leaf k {type string; status deprecated;}"
+            "}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a4 {namespace urn:a4;prefix a4;"
+            "import a4-imp {prefix a4i;}"
+            "deviation \"/a4i:l\" {deviate replace {type leafref {path \"/a4i:k\";}}}"
+            "}", LYS_IN_YANG, NULL));
+
+    /* unique referencing deprecated */
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, "module a5-imp {namespace urn:a5-imp;prefix a5i;"
+            "list l1 {key \"k\";"
+            "  leaf k {type string;}"
+            "  leaf l {type string; status deprecated;}"
+            "}}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module a5 {namespace urn:a5;prefix a5;"
+            "import a5-imp {prefix a5i;}"
+            "deviation \"/a5i:l1\" {deviate add {unique \"a5i:l\";}}"
+            "}", LYS_IN_YANG, NULL));
+
+    assert_int_equal(LY_ENOTFOUND, lys_parse_mem(UTEST_LYCTX, "module aa1 {namespace urn:aa1;prefix aa1;import a {prefix a;}"
+            "deviation /a:top/a:z {deviate not-supported;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Deviation(s) target node \"/a:top/a:z\" from module \"aa1\" was not found.", "/a:{deviation='/a:top/a:z'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module aa2 {namespace urn:aa2;prefix aa2;import a {prefix a;}"
+            "deviation /a:top/a:a {deviate not-supported;}"
+            "deviation /a:top/a:a {deviate add {default error;}}}", LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("Multiple deviations of \"/a:top/a:a\" with one of them being \"not-supported\".", "/aa2:{deviation='/a:top/a:a'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module bb {namespace urn:bb;prefix bb;import a {prefix a;}"
+            "deviation a:top/a:a {deviate not-supported;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid absolute-schema-nodeid value \"a:top/a:a\" - \"/\" expected instead of \"a:top\".", "/bb:{deviation='a:top/a:a'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module cc {namespace urn:cc;prefix cc; container c;"
+            "deviation /c {deviate add {units meters;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation of container node - it is not possible to add \"units\" property.", "/cc:{deviation='/c'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module cd {namespace urn:cd;prefix cd; leaf c {type string; units centimeters;}"
+            "deviation /c {deviate add {units meters;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation adding \"units\" property which already exists (with value \"centimeters\").", "/cd:{deviation='/c'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module dd1 {namespace urn:dd1;prefix dd1; container c;"
+            "deviation /c {deviate delete {units meters;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation of container node - it is not possible to delete \"units\" property.", "/dd1:{deviation='/c'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module dd2 {namespace urn:dd2;prefix dd2; leaf c {type string;}"
+            "deviation /c {deviate delete {units meters;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation deleting \"units\" property \"meters\" which is not present.", "/dd2:{deviation='/c'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module dd3 {namespace urn:dd3;prefix dd3; leaf c {type string; units centimeters;}"
+            "deviation /c {deviate delete {units meters;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation deleting \"units\" property \"meters\" which does not match the target's property value \"centimeters\".",
+            "/dd3:{deviation='/c'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ee1 {namespace urn:ee1;prefix ee1; container c;"
+            "deviation /c {deviate replace {units meters;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation of container node - it is not possible to replace \"units\" property.", "/ee1:{deviation='/c'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ee2 {namespace urn:ee2;prefix ee2; leaf c {type string;}"
+            "deviation /c {deviate replace {units meters;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation replacing \"units\" property \"meters\" which is not present.", "/ee2:{deviation='/c'}");
+
+    /* the default is already deleted in /e:a byt module f */
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ff1 {namespace urn:ff1;prefix ff1; import e {prefix e;}"
+            "deviation /e:a {deviate delete {default x:aa;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation deleting \"default\" property \"x:aa\" which is not present.", "/ff1:{deviation='/e:a'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ff3 {namespace urn:ff3;prefix ff3; import e {prefix e;}"
+            "deviation /e:b {deviate delete {default e:b;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation deleting \"default\" property \"e:b\" which does not match the target's property value \"x:ba\".", "/ff3:{deviation='/e:b'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ff5 {namespace urn:ff5;prefix ff5; anyxml a;"
+            "deviation /a {deviate delete {default x;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation of anyxml node - it is not possible to delete \"default\" property.", "/ff5:{deviation='/a'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ff6 {namespace urn:ff6;prefix ff6; import e {prefix e;}"
+            "deviation /e:c {deviate delete {default hi;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation deleting \"default\" property \"hi\" which does not match the target's property value \"hello\".", "/ff6:{deviation='/e:c'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ff7 {namespace urn:ff7;prefix ff7; import e {prefix e;}"
+            "deviation /e:d {deviate delete {default hi;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation deleting \"default\" property \"hi\" which does not match any of the target's property values.", "/ff7:{deviation='/e:d'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module gg1 {namespace urn:gg1;prefix gg1; import e {prefix e;}"
+            "deviation /e:b {deviate add {default e:a;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation adding \"default\" property which already exists (with value \"x:ba\").", "/gg1:{deviation='/e:b'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module gg2 {namespace urn:gg2;prefix gg2; import e {prefix e;}"
+            "deviation /e:a {deviate add {default x:a;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Compilation of a deviated and/or refined node failed.", "/e:a",
+            "Default case prefix \"x\" not found in imports of \"gg2\".", "/e:a");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module gg3 {namespace urn:gg3;prefix gg3; import e {prefix e;}"
+            "deviation /e:a {deviate add {default a;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Compilation of a deviated and/or refined node failed.", "/e:a",
+            "Default case \"a\" not found.", "/e:a");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module gg4 {namespace urn:gg4;prefix gg4; import e {prefix e;}"
+            "deviation /e:c {deviate add {default hi;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation adding \"default\" property which already exists (with value \"hello\").", "/gg4:{deviation='/e:c'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module gg4 {namespace urn:gg4;prefix gg4; import e {prefix e;}"
+            "deviation /e:a {deviate add {default e:ac;}}}", LYS_IN_YANG, &mod));
+    /*CHECK_LOG_CTX("Invalid deviation adding \"default\" property \"e:ac\" of choice - mandatory node \"ac\" under the default case.", "/gg4:{deviation='/e:a'}");*/
+    CHECK_LOG_CTX("Compilation of a deviated and/or refined node failed.", "/e:a");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module gg5 {namespace urn:gg5;prefix gg5; leaf x {type string; mandatory true;}"
+            "deviation /x {deviate add {default error;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Compilation of a deviated and/or refined node failed.", "/gg5:{deviation='/x'}",
+            "Invalid mandatory leaf with a default value.", "/gg5:{deviation='/x'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module hh1 {yang-version 1.1; namespace urn:hh1;prefix hh1; import e {prefix e;}"
+            "deviation /e:d {deviate replace {default hi;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation of leaf-list node - it is not possible to replace \"default\" property.", "/hh1:{deviation='/e:d'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ii1 {namespace urn:ii1;prefix ii1; import i {prefix i;}"
+            "deviation /i:l1 {deviate delete {unique x;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation deleting \"unique\" property \"x\" which does not match any of the target's property values.", "/ii1:{deviation='/i:l1'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ii2 {namespace urn:ii2;prefix ii2; import i {prefix i;} leaf x { type string;}"
+            "deviation /i:l2 {deviate delete {unique d;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation deleting \"unique\" property \"d\" which does not match any of the target's property values.", "/ii2:{deviation='/i:l2'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ii3 {namespace urn:ii3;prefix ii3; leaf x { type string;}"
+            "deviation /x {deviate delete {unique d;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation of leaf node - it is not possible to delete \"unique\" property.", "/ii3:{deviation='/x'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ii4 {namespace urn:ii4;prefix ii4; leaf x { type string;}"
+            "deviation /x {deviate add {unique d;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation of leaf node - it is not possible to add \"unique\" property.", "/ii4:{deviation='/x'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module jj1 {namespace urn:jj1;prefix jj1; choice ch {case a {leaf a{type string;}}}"
+            "deviation /ch/a {deviate add {config false;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation of case node - it is not possible to add \"config\" property.", "/jj1:{deviation='/ch/a'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module jj2 {namespace urn:jj2;prefix jj2; container top {config false; leaf x {type string;}}"
+            "deviation /top/x {deviate add {config true;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Compilation of a deviated and/or refined node failed.", "/jj2:{deviation='/top/x'}",
+            "Configuration node cannot be child of any state data node.", "/jj2:{deviation='/top/x'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module jj3 {namespace urn:jj3;prefix jj3; container top {leaf x {type string;}}"
+            "deviation /top/x {deviate replace {config false;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation replacing \"config\" property \"config false\" which is not present.", "/jj3:{deviation='/top/x'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module jj4 {namespace urn:jj4;prefix jj4; choice ch {case a {leaf a{type string;}}}"
+            "deviation /ch/a {deviate replace {config false;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation of case node - it is not possible to replace \"config\" property.", "/jj4:{deviation='/ch/a'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module jj5 {namespace urn:jj5;prefix jj5; container top {leaf x {type string; config true;}}"
+            "deviation /top {deviate add {config false;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Compilation of a deviated and/or refined node failed.", "/jj5:top",
+            "Configuration node cannot be child of any state data node.", "/jj5:top/x");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module jj6 {namespace urn:jj6;prefix jj6; leaf x {config false; type string;}"
+            "deviation /x {deviate add {config true;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation adding \"config\" property which already exists (with value \"config false\").", "/jj6:{deviation='/x'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module kk1 {namespace urn:kk1;prefix kk1; container top {leaf a{type string;}}"
+            "deviation /top {deviate add {mandatory true;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation of container node - it is not possible to add \"mandatory\" property.", "/kk1:{deviation='/top'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module kk2 {namespace urn:kk2;prefix kk2; container top {leaf a{type string;}}"
+            "deviation /top {deviate replace {mandatory true;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation of container node - it is not possible to replace \"mandatory\" property.", "/kk2:{deviation='/top'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module kk3 {namespace urn:kk3;prefix kk3; container top {leaf x {type string;}}"
+            "deviation /top/x {deviate replace {mandatory true;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation replacing \"mandatory\" property \"mandatory true\" which is not present.", "/kk3:{deviation='/top/x'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module kk4 {namespace urn:kk4;prefix kk4; leaf x {mandatory true; type string;}"
+            "deviation /x {deviate add {mandatory false;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation adding \"mandatory\" property which already exists (with value \"mandatory true\").", "/kk4:{deviation='/x'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ll1 {namespace urn:ll1;prefix ll1; leaf x {default test; type string;}"
+            "deviation /x {deviate add {mandatory true;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Compilation of a deviated and/or refined node failed.", "/ll1:{deviation='/x'}",
+            "Invalid mandatory leaf with a default value.", "/ll1:{deviation='/x'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ll2 {yang-version 1.1; namespace urn:ll2;prefix ll2; leaf-list x {default test; type string;}"
+            "deviation /x {deviate add {min-elements 1;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Compilation of a deviated and/or refined node failed.", "/ll2:{deviation='/x'}",
+            "The default statement is present on leaf-list with a nonzero min-elements.", "/ll2:{deviation='/x'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module ll2 {namespace urn:ll2;prefix ll2; choice ch {default a; leaf a {type string;} leaf b {type string;}}"
+            "deviation /ch {deviate add {mandatory true;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Compilation of a deviated and/or refined node failed.", "/ll2:ch",
+            "Invalid mandatory choice with a default case.", "/ll2:ch");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module mm1 {namespace urn:mm1;prefix mm1; leaf-list x {min-elements 10; type string;}"
+            "deviation /x {deviate add {max-elements 5;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Compilation of a deviated and/or refined node failed.", "/mm1:{deviation='/x'}",
+            "Leaf-list min-elements 10 is bigger than max-elements 5.", "/mm1:{deviation='/x'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module mm2 {namespace urn:mm2;prefix mm2; leaf-list x {max-elements 10; type string;}"
+            "deviation /x {deviate add {min-elements 20;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Compilation of a deviated and/or refined node failed.", "/mm2:{deviation='/x'}",
+            "Leaf-list min-elements 20 is bigger than max-elements 10.", "/mm2:{deviation='/x'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module mm3 {namespace urn:mm3;prefix mm3; list x {min-elements 5; max-elements 10; config false;}"
+            "deviation /x {deviate replace {max-elements 1;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Compilation of a deviated and/or refined node failed.", "/mm3:{deviation='/x'}",
+            "List min-elements 5 is bigger than max-elements 1.", "/mm3:{deviation='/x'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module mm4 {namespace urn:mm4;prefix mm4; list x {min-elements 5; max-elements 10; config false;}"
+            "deviation /x {deviate replace {min-elements 20;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Compilation of a deviated and/or refined node failed.", "/mm4:{deviation='/x'}",
+            "List min-elements 20 is bigger than max-elements 10.", "/mm4:{deviation='/x'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module mm5 {namespace urn:mm5;prefix mm5; leaf-list x {type string; min-elements 5;}"
+            "deviation /x {deviate add {min-elements 1;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation adding \"min-elements\" property which already exists (with value \"5\").", "/mm5:{deviation='/x'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module mm6 {namespace urn:mm6;prefix mm6; list x {config false; min-elements 5;}"
+            "deviation /x {deviate add {min-elements 1;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation adding \"min-elements\" property which already exists (with value \"5\").", "/mm6:{deviation='/x'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module mm7 {namespace urn:mm7;prefix mm7; leaf-list x {type string; max-elements 5;}"
+            "deviation /x {deviate add {max-elements 1;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation adding \"max-elements\" property which already exists (with value \"5\").", "/mm7:{deviation='/x'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module mm8 {namespace urn:mm8;prefix mm8; list x {config false; max-elements 5;}"
+            "deviation /x {deviate add {max-elements 1;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation adding \"max-elements\" property which already exists (with value \"5\").", "/mm8:{deviation='/x'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module mm9 {namespace urn:mm9;prefix mm9; leaf-list x {type string;}"
+            "deviation /x {deviate replace {min-elements 1;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation replacing \"min-elements\" property which is not present.", "/mm9:{deviation='/x'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module mm10 {namespace urn:mm10;prefix mm10; list x {config false;}"
+            "deviation /x {deviate replace {min-elements 1;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation replacing \"min-elements\" property which is not present.", "/mm10:{deviation='/x'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module mm11 {namespace urn:mm11;prefix mm11; leaf-list x {type string;}"
+            "deviation /x {deviate replace {max-elements 1;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation replacing \"max-elements\" property which is not present.", "/mm11:{deviation='/x'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module mm12 {namespace urn:mm12;prefix mm12; list x {config false; }"
+            "deviation /x {deviate replace {max-elements 1;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation replacing \"max-elements\" property which is not present.", "/mm12:{deviation='/x'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module nn1 {namespace urn:nn1;prefix nn1; anyxml x;"
+            "deviation /x {deviate replace {type string;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid deviation of anyxml node - it is not possible to replace \"type\" property.", "/nn1:{deviation='/x'}");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module nn2 {namespace urn:nn2;prefix nn2; leaf-list x {type string;}"
+            "deviation /x {deviate replace {type empty;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Compilation of a deviated and/or refined node failed.", "/nn2:{deviation='/x'}",
+            "Leaf-list of type \"empty\" is allowed only in YANG 1.1 modules.", "/nn2:{deviation='/x'}");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module oo1 {namespace urn:oo1;prefix oo1; leaf x {type uint16; default 300;}"
+            "deviation /x {deviate replace {type uint8;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid default - value does not fit the type "
+            "(Value \"300\" is out of type uint8 min/max bounds.).", "Schema location \"/oo1:x\".");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module oo2 {yang-version 1.1;namespace urn:oo2;prefix oo2; leaf-list x {type uint16; default 10; default 300;}"
+            "deviation /x {deviate replace {type uint8;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid default - value does not fit the type "
+            "(Value \"300\" is out of type uint8 min/max bounds.).", "Schema location \"/oo2:x\".");
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module oo3 {namespace urn:oo3;prefix oo3; leaf x {type uint8;}"
+            "deviation /x {deviate add {default 300;}}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Invalid default - value does not fit the type "
+            "(Value \"300\" is out of type uint8 min/max bounds.).", "Schema location \"/oo3:x\".");
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX, "module pp {namespace urn:pp;prefix pp; leaf l { type leafref {path /c/x;}}"
+            "container c {leaf x {type string;} leaf y {type string;}}}", LYS_IN_YANG, &mod));
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, "module pp1 {namespace urn:pp1;prefix pp1; import pp {prefix pp;}"
+            "deviation /pp:c/pp:x {deviate not-supported;}}", LYS_IN_YANG, &mod));
+    CHECK_LOG_CTX("Target of leafref \"l\" cannot be referenced because it is disabled.", "Schema location \"/pp:l\".");
+}
+
+static void
+test_when(void **state)
+{
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX,
+            "module a {\n"
+            "    namespace urn:a;\n"
+            "    prefix a;\n"
+            "    container cont {\n"
+            "        leaf l {\n"
+            "            when \"/cont/lst[val='25']\";\n"
+            "            type empty;\n"
+            "        }\n"
+            "        list lst {\n"
+            "            key \"k\";\n"
+            "            leaf k {\n"
+            "                type uint8;\n"
+            "            }\n"
+            "            leaf val {\n"
+            "                when /cont2;\n"
+            "                type int32;\n"
+            "            }\n"
+            "        }\n"
+            "    }\n"
+            "    container cont2 {\n"
+            "        presence \"a\";\n"
+            "        when ../cont/l;\n"
+            "    }\n"
+            "}",
+            LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("When condition cyclic dependency on the node \"cont2\".", "Schema location \"/a:cont/lst/val\".");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX,
+            "module a {\n"
+            "    namespace urn:a;\n"
+            "    prefix a;\n"
+            "    container cont {\n"
+            "        leaf l {\n"
+            "            when \"/cont/lst[val='25']\";\n"
+            "            type empty;\n"
+            "        }\n"
+            "        list lst {\n"
+            "            key \"k\";\n"
+            "            leaf k {\n"
+            "                type uint8;\n"
+            "            }\n"
+            "            leaf val {\n"
+            "                when /cont2;\n"
+            "                type int32;\n"
+            "            }\n"
+            "        }\n"
+            "    }\n"
+            "    container cont2 {\n"
+            "        presence \"a\";\n"
+            "        when ../cont/lst/val;\n"
+            "    }\n"
+            "}",
+            LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("When condition cyclic dependency on the node \"cont2\".", "Schema location \"/a:cont/lst/val\".");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX,
+            "module a {\n"
+            "    namespace urn:a;\n"
+            "    prefix a;\n"
+            "    leaf val {\n"
+            "        type int64;\n"
+            "        when \"../val='25'\";\n"
+            "    }\n"
+            "}",
+            LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("When condition is accessing its own conditional node value.", "Schema location \"/a:val\".");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX,
+            "module a {\n"
+            "    namespace urn:a;\n"
+            "    prefix a;\n"
+            "    grouping grp {\n"
+            "        leaf val {\n"
+            "            type int64;\n"
+            "        }\n"
+            "    }\n"
+            "    uses grp {\n"
+            "        when \"val='25'\";\n"
+            "    }\n"
+            "}",
+            LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("When condition is accessing its own conditional node value.", "Schema location \"/a:val\".");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX,
+            "module a {\n"
+            "    namespace urn:a;\n"
+            "    prefix a;\n"
+            "    augment /cont {\n"
+            "        when \"val='25'\";\n"
+            "        leaf val {\n"
+            "            type int64;\n"
+            "        }\n"
+            "    }\n"
+            "    container cont;\n"
+            "}",
+            LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("When condition is accessing its own conditional node value.", "Schema location \"/a:cont/val\".");
+
+    assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX,
+            "module a {\n"
+            "    namespace urn:a;\n"
+            "    prefix a;\n"
+            "    augment /cont {\n"
+            "        when \"aug-cont/aug-l\";\n"
+            "        container aug-cont {\n"
+            "            leaf aug-l {\n"
+            "                type int64;\n"
+            "            }\n"
+            "        }\n"
+            "    }\n"
+            "    container cont;\n"
+            "}",
+            LYS_IN_YANG, NULL));
+    CHECK_LOG_CTX("When condition is accessing its own conditional node children.", "Schema location \"/a:cont/aug-cont\".");
+
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX,
+            "module b {\n"
+            "    namespace urn:b;\n"
+            "    prefix b;\n"
+            "    container c {\n"
+            "        list l {\n"
+            "            key name;\n"
+            "            leaf name {\n"
+            "                type string;\n"
+            "            }\n"
+            "\n"
+            "            container cond-data {\n"
+            "                when \"/c/l2[name = current()/../name]/val = 'value'\";\n"
+            "                leaf cond-leaf {\n"
+            "                    type string;\n"
+            "                    default \"default_val\";\n"
+            "                }\n"
+            "            }\n"
+            "        }\n"
+            "        list l2 {\n"
+            "            key name;\n"
+            "            leaf name {\n"
+            "                type string;\n"
+            "            }\n"
+            "\n"
+            "            container c2 {\n"
+            "                leaf val {\n"
+            "                    type string;\n"
+            "                }\n"
+            "            }\n"
+            "        }\n"
+            "    }\n"
+            "}",
+            LYS_IN_YANG, NULL));
+
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb,
+            "module c1 {"
+            "  namespace urn:c1;"
+            "  prefix c1;"
+            "  container my-container {"
+            "    leaf my-type {"
+            "      type string;"
+            "    }"
+            "  }"
+            "}\n"
+            "module c2 {"
+            "  namespace \"urn:c2\";"
+            "  prefix c2;"
+            "  grouping my-group {"
+            "    leaf my-leaf {"
+            "      type string;"
+            "    }"
+            "  }"
+            "}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX,
+            "module c3 {"
+            "  namespace \"urn:c3\";"
+            "  prefix c3;"
+            "  import c1 {"
+            "    prefix c1;"
+            "  }"
+            "  import c2 {"
+            "    prefix c2;"
+            "  }"
+            "  augment \"/c1:my-container\" {"
+            "    uses c2:my-group {"
+            "      when \"./c1:my-type = '42'\";"
+            "    }"
+            "  }"
+            "}",
+            LYS_IN_YANG, NULL));
+}
+
+static void
+test_must(void **state)
+{
+    /* "*" must not be restricted to any module */
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb,
+            "module a {"
+            "  namespace urn:a;"
+            "  prefix a;"
+            "  container cont {"
+            "    leaf l {"
+            "      type empty;"
+            "    }"
+            "    list lst {"
+            "      key \"k\";"
+            "      leaf k {"
+            "        type uint8;"
+            "      }"
+            "    }"
+            "  }"
+            "}");
+    assert_int_equal(LY_SUCCESS, lys_parse_mem(UTEST_LYCTX,
+            "module a-aug {"
+            "  namespace urn:aa;"
+            "  prefix aa;"
+            "  import a {"
+            "    prefix a;"
+            "  }"
+            "  augment /a:cont {"
+            "    container cont2 {"
+            "      must \"/a:cont/*/a:k\";"
+            "      leaf aug {"
+            "        type empty;"
+            "      }"
+            "    }"
+            "  }"
+            "}",
+            LYS_IN_YANG, NULL));
+    /* no warnings */
+    CHECK_LOG_CTX(NULL, NULL);
+}
+
+int
+main(void)
+{
+    const struct CMUnitTest tests[] = {
+        UTEST(test_module, setup),
+        UTEST(test_name_collisions, setup),
+        UTEST(test_type_length, setup),
+        UTEST(test_type_range, setup),
+        UTEST(test_type_pattern, setup),
+        UTEST(test_type_enum, setup),
+        UTEST(test_type_dec64, setup),
+        UTEST(test_type_instanceid, setup),
+        UTEST(test_identity, setup),
+        UTEST(test_type_identityref, setup),
+        UTEST(test_type_leafref, setup),
+        UTEST(test_type_empty, setup),
+        UTEST(test_type_union, setup),
+        UTEST(test_type_dflt, setup),
+        UTEST(test_status, setup),
+        UTEST(test_node_container, setup),
+        UTEST(test_node_leaflist, setup),
+        UTEST(test_node_list, setup),
+        UTEST(test_node_choice, setup),
+        UTEST(test_node_anydata, setup),
+        UTEST(test_action, setup),
+        UTEST(test_notification, setup),
+        UTEST(test_grouping, setup),
+        UTEST(test_uses, setup),
+        UTEST(test_refine, setup),
+        UTEST(test_augment, setup),
+        UTEST(test_deviation, setup),
+        UTEST(test_when, setup),
+        UTEST(test_must, setup),
+    };
+
+    return cmocka_run_group_tests(tests, NULL, NULL);
+}
diff --git a/tests/utests/schema/test_yang.c b/tests/utests/schema/test_yang.c
new file mode 100644
index 0000000..78b1798
--- /dev/null
+++ b/tests/utests/schema/test_yang.c
@@ -0,0 +1,1750 @@
+/**
+ * @file test_yang.c
+ * @author Radek Krejci <rkrejci@cesnet.cz>
+ * @author Michal Vasko <mvasko@cesnet.cz>
+ * @brief unit tests for YANG module parser and printer
+ *
+ * Copyright (c) 2018 - 2022 CESNET, z.s.p.o.
+ *
+ * This source code is licensed under BSD 3-Clause License (the "License").
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://opensource.org/licenses/BSD-3-Clause
+ */
+#define _UTEST_MAIN_
+#include "utests.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include "common.h"
+#include "in_internal.h"
+#include "parser_internal.h"
+#include "schema_compile.h"
+#include "tree_edit.h"
+#include "tree_schema.h"
+#include "tree_schema_free.h"
+
+/* originally static functions from parser_yang.c and parser_yin.c */
+LY_ERR buf_add_char(struct ly_ctx *ctx, struct ly_in *in, size_t len, char **buf, size_t *buf_len, size_t *buf_used);
+LY_ERR buf_store_char(struct lysp_yang_ctx *ctx, enum yang_arg arg, char **word_p,
+        size_t *word_len, char **word_b, size_t *buf_len, uint8_t need_buf, uint8_t *prefix);
+LY_ERR get_keyword(struct lysp_yang_ctx *ctx, enum ly_stmt *kw, char **word_p, size_t *word_len);
+LY_ERR get_argument(struct lysp_yang_ctx *ctx, enum yang_arg arg,
+        uint16_t *flags, char **word_p, char **word_b, size_t *word_len);
+LY_ERR skip_comment(struct lysp_yang_ctx *ctx, uint8_t comment);
+
+LY_ERR parse_action(struct lysp_yang_ctx *ctx, struct lysp_node *parent, struct lysp_node_action **actions);
+LY_ERR parse_any(struct lysp_yang_ctx *ctx, enum ly_stmt kw, struct lysp_node *parent, struct lysp_node **siblings);
+LY_ERR parse_augment(struct lysp_yang_ctx *ctx, struct lysp_node *parent, struct lysp_node_augment **augments);
+LY_ERR parse_case(struct lysp_yang_ctx *ctx, struct lysp_node *parent, struct lysp_node **siblings);
+LY_ERR parse_container(struct lysp_yang_ctx *ctx, struct lysp_node *parent, struct lysp_node **siblings);
+LY_ERR parse_deviate(struct lysp_yang_ctx *ctx, struct lysp_deviate **deviates);
+LY_ERR parse_deviation(struct lysp_yang_ctx *ctx, struct lysp_deviation **deviations);
+LY_ERR parse_grouping(struct lysp_yang_ctx *ctx, struct lysp_node *parent, struct lysp_node_grp **groupings);
+LY_ERR parse_choice(struct lysp_yang_ctx *ctx, struct lysp_node *parent, struct lysp_node **siblings);
+LY_ERR parse_leaf(struct lysp_yang_ctx *ctx, struct lysp_node *parent, struct lysp_node **siblings);
+LY_ERR parse_leaflist(struct lysp_yang_ctx *ctx, struct lysp_node *parent, struct lysp_node **siblings);
+LY_ERR parse_list(struct lysp_yang_ctx *ctx, struct lysp_node *parent, struct lysp_node **siblings);
+LY_ERR parse_maxelements(struct lysp_yang_ctx *ctx, uint32_t *max, uint16_t *flags, struct lysp_ext_instance **exts);
+LY_ERR parse_minelements(struct lysp_yang_ctx *ctx, uint32_t *min, uint16_t *flags, struct lysp_ext_instance **exts);
+LY_ERR parse_module(struct lysp_yang_ctx *ctx, struct lysp_module *mod);
+LY_ERR parse_notif(struct lysp_yang_ctx *ctx, struct lysp_node *parent, struct lysp_node_notif **notifs);
+LY_ERR parse_submodule(struct lysp_yang_ctx *ctx, struct lysp_submodule *submod);
+LY_ERR parse_uses(struct lysp_yang_ctx *ctx, struct lysp_node *parent, struct lysp_node **siblings);
+LY_ERR parse_when(struct lysp_yang_ctx *ctx, struct lysp_when **when_p);
+LY_ERR parse_type_enum_value_pos(struct lysp_yang_ctx *ctx, enum ly_stmt val_kw, struct lysp_type_enum *enm);
+
+struct lysp_yang_ctx *YCTX;
+struct lysf_ctx fctx;
+
+struct ly_in in = {0};
+
+#define YCTX_INIT \
+    in.line = 1; \
+    YCTX->in = &in; \
+    LOG_LOCINIT(UTEST_LYCTX, NULL, NULL, NULL, &in)
+
+static int
+setup(void **state)
+{
+    struct lysp_module *pmod;
+
+    UTEST_SETUP;
+
+    /* allocate parser context */
+    YCTX = calloc(1, sizeof(*YCTX));
+    YCTX->main_ctx = (struct lysp_ctx *)YCTX;
+    YCTX->format = LYS_IN_YANG;
+    ly_set_new(&YCTX->parsed_mods);
+
+    /* allocate new parsed module */
+    pmod = calloc(1, sizeof *pmod);
+    ly_set_add(YCTX->parsed_mods, pmod, 1, NULL);
+
+    /* allocate new module */
+    pmod->mod = calloc(1, sizeof *pmod->mod);
+    pmod->mod->ctx = UTEST_LYCTX;
+    pmod->mod->parsed = pmod;
+
+    /* initilize and use the global easily available and customizable input handler */
+    in.line = 1;
+    YCTX->in = &in;
+    LOG_LOCSET(NULL, NULL, NULL, &in);
+
+    fctx.ctx = PARSER_CTX(YCTX);
+    fctx.mod = pmod->mod;
+
+    return 0;
+}
+
+static int
+teardown(void **state)
+{
+    lys_module_free(&fctx, PARSER_CUR_PMOD(YCTX)->mod, 0);
+    LOG_LOCBACK(0, 0, 0, 1);
+
+    ly_set_free(YCTX->parsed_mods, NULL);
+    ly_set_erase(&YCTX->ext_inst, NULL);
+    free(YCTX);
+    YCTX = NULL;
+
+    lysf_ctx_erase(&fctx);
+
+    UTEST_TEARDOWN;
+
+    return 0;
+}
+
+#define TEST_DUP_GENERIC(PREFIX, MEMBER, VALUE1, VALUE2, FUNC, RESULT, LINE, CLEANUP) \
+    in.current = PREFIX MEMBER" "VALUE1";"MEMBER" "VALUE2";} ..."; \
+    assert_int_equal(LY_EVALID, FUNC(YCTX, RESULT)); \
+    CHECK_LOG_CTX("Duplicate keyword \""MEMBER"\".", "Line number "LINE".");\
+    CLEANUP
+static void
+test_helpers(void **state)
+{
+    char *buf, *p;
+    size_t len, size;
+    uint8_t prefix = 0;
+
+    /* storing into buffer */
+    in.current = "abcd";
+    buf = NULL;
+    size = len = 0;
+    assert_int_equal(LY_SUCCESS, buf_add_char(NULL, &in, 2, &buf, &size, &len));
+    assert_int_not_equal(0, size);
+    assert_int_equal(2, len);
+    assert_string_equal("cd", in.current);
+    assert_false(strncmp("ab", buf, 2));
+    free(buf);
+    buf = NULL;
+
+    /* invalid first characters */
+    len = 0;
+    in.current = "2invalid";
+    assert_int_equal(LY_EVALID, buf_store_char(YCTX, Y_IDENTIF_ARG, &p, &len, &buf, &size, 1, &prefix));
+    in.current = ".invalid";
+    assert_int_equal(LY_EVALID, buf_store_char(YCTX, Y_IDENTIF_ARG, &p, &len, &buf, &size, 1, &prefix));
+    in.current = "-invalid";
+    assert_int_equal(LY_EVALID, buf_store_char(YCTX, Y_IDENTIF_ARG, &p, &len, &buf, &size, 1, &prefix));
+    /* invalid following characters */
+    len = 3; /* number of characters read before the str content */
+    in.current = "!";
+    assert_int_equal(LY_EVALID, buf_store_char(YCTX, Y_IDENTIF_ARG, &p, &len, &buf, &size, 1, &prefix));
+    in.current = ":";
+    assert_int_equal(LY_EVALID, buf_store_char(YCTX, Y_IDENTIF_ARG, &p, &len, &buf, &size, 1, &prefix));
+    /* valid colon for prefixed identifiers */
+    len = size = 0;
+    p = NULL;
+    prefix = 0;
+    in.current = "x:id";
+    assert_int_equal(LY_SUCCESS, buf_store_char(YCTX, Y_PREF_IDENTIF_ARG, &p, &len, &buf, &size, 0, &prefix));
+    assert_int_equal(1, len);
+    assert_null(buf);
+    assert_string_equal(":id", in.current);
+    assert_int_equal('x', p[len - 1]);
+    assert_int_equal(LY_SUCCESS, buf_store_char(YCTX, Y_PREF_IDENTIF_ARG, &p, &len, &buf, &size, 1, &prefix));
+    assert_int_equal(2, len);
+    assert_string_equal("id", in.current);
+    assert_int_equal(':', p[len - 1]);
+    free(buf);
+    prefix = 0;
+
+    /* checking identifiers */
+    assert_int_equal(LY_EVALID, lysp_check_identifierchar((struct lysp_ctx *)YCTX, ':', 0, NULL));
+    CHECK_LOG_CTX("Invalid identifier character ':' (0x003a).", "Line number 1.");
+    assert_int_equal(LY_EVALID, lysp_check_identifierchar((struct lysp_ctx *)YCTX, '#', 1, NULL));
+    CHECK_LOG_CTX("Invalid identifier first character '#' (0x0023).", "Line number 1.");
+
+    assert_int_equal(LY_SUCCESS, lysp_check_identifierchar((struct lysp_ctx *)YCTX, 'a', 1, &prefix));
+    assert_int_equal(0, prefix);
+    assert_int_equal(LY_SUCCESS, lysp_check_identifierchar((struct lysp_ctx *)YCTX, ':', 0, &prefix));
+    assert_int_equal(1, prefix);
+    assert_int_equal(LY_EVALID, lysp_check_identifierchar((struct lysp_ctx *)YCTX, ':', 0, &prefix));
+    assert_int_equal(1, prefix);
+    assert_int_equal(LY_SUCCESS, lysp_check_identifierchar((struct lysp_ctx *)YCTX, 'b', 0, &prefix));
+    assert_int_equal(2, prefix);
+    /* second colon is invalid */
+    assert_int_equal(LY_EVALID, lysp_check_identifierchar((struct lysp_ctx *)YCTX, ':', 0, &prefix));
+    CHECK_LOG_CTX("Invalid identifier character ':' (0x003a).", "Line number 1.");
+}
+
+#define TEST_GET_ARGUMENT_SUCCESS(INPUT_TEXT, CTX, ARG_TYPE, EXPECT_WORD, EXPECT_LEN, EXPECT_CURRENT, EXPECT_LINE)\
+    {\
+        const char * text = INPUT_TEXT;\
+        in.line = 1;\
+        in.current = text;\
+        assert_int_equal(LY_SUCCESS, get_argument(CTX, Y_MAYBE_STR_ARG, NULL, &word, &buf, &len));\
+        assert_string_equal(word, EXPECT_WORD);\
+        assert_int_equal(len, EXPECT_LEN);\
+        assert_string_equal(EXPECT_CURRENT, in.current);\
+        assert_int_equal(EXPECT_LINE, in.line);\
+    }
+
+static void
+test_comments(void **state)
+{
+    char *word, *buf;
+    size_t len;
+
+    TEST_GET_ARGUMENT_SUCCESS(" // this is a text of / one * line */ comment\nargument;",
+            YCTX, Y_STR_ARG, "argument;", 8, ";", 2);
+    assert_null(buf);
+
+    TEST_GET_ARGUMENT_SUCCESS("/* this is a \n * text // of / block * comment */\"arg\" + \"ume\" \n + \n \"nt\";",
+            YCTX, Y_STR_ARG, "argument", 8, ";", 4);
+    assert_ptr_equal(buf, word);
+    free(word);
+
+    in.line = 1;
+    in.current = " this is one line comment on last line";
+    assert_int_equal(LY_SUCCESS, skip_comment(YCTX, 1));
+    assert_true(in.current[0] == '\0');
+
+    in.line = 1;
+    in.current = " this is a not terminated comment x";
+    assert_int_equal(LY_EVALID, skip_comment(YCTX, 2));
+    CHECK_LOG_CTX("Unexpected end-of-input, non-terminated comment.", "Line number 1.");
+    assert_true(in.current[0] == '\0');
+}
+
+static void
+test_arg(void **state)
+{
+    char *word, *buf;
+    size_t len;
+
+    /* missing argument */
+    in.current = ";";
+    assert_int_equal(LY_SUCCESS, get_argument(YCTX, Y_MAYBE_STR_ARG, NULL, &word, &buf, &len));
+    assert_null(word);
+
+    in.current = "{";
+    assert_int_equal(LY_EVALID, get_argument(YCTX, Y_STR_ARG, NULL, &word, &buf, &len));
+    CHECK_LOG_CTX("Invalid character sequence \"{\", expected an argument.", "Line number 1.");
+
+    /* invalid escape sequence */
+    in.current = "\"\\s\"";
+    assert_int_equal(LY_EVALID, get_argument(YCTX, Y_STR_ARG, NULL, &word, &buf, &len));
+    CHECK_LOG_CTX("Double-quoted string unknown special character \'\\s\'.", "Line number 1.");
+
+    TEST_GET_ARGUMENT_SUCCESS("\'\\s\'", YCTX, Y_STR_ARG, "\\s\'", 2, "", 1);
+
+    /* invalid character after the argument */
+    in.current = "hello\"";
+    assert_int_equal(LY_EVALID, get_argument(YCTX, Y_STR_ARG, NULL, &word, &buf, &len));
+    CHECK_LOG_CTX("Invalid character sequence \"\"\", expected unquoted string character, optsep, semicolon or opening brace.", "Line number 1.");
+
+    in.current = "hello}";
+    assert_int_equal(LY_EVALID, get_argument(YCTX, Y_STR_ARG, NULL, &word, &buf, &len));
+    CHECK_LOG_CTX("Invalid character sequence \"}\", expected unquoted string character, optsep, semicolon or opening brace.", "Line number 1.");
+    /* invalid identifier-ref-arg-str */
+    in.current = "pre:pre:value";
+    assert_int_equal(LY_EVALID, get_argument(YCTX, Y_PREF_IDENTIF_ARG, NULL, &word, &buf, &len));
+    CHECK_LOG_CTX("Invalid identifier character ':' (0x003a).", "Line number 1.");
+
+    in.current = "\"\";"; /* empty identifier is not allowed */
+    assert_int_equal(LY_EVALID, get_argument(YCTX, Y_IDENTIF_ARG, NULL, &word, &buf, &len));
+    CHECK_LOG_CTX("Statement argument is required.", "Line number 1.");
+
+    in.current = "\"\";"; /* empty reference identifier is not allowed */
+    assert_int_equal(LY_EVALID, get_argument(YCTX, Y_PREF_IDENTIF_ARG, NULL, &word, &buf, &len));
+    CHECK_LOG_CTX("Statement argument is required.", "Line number 1.");
+
+    /* slash is not an invalid character */
+    TEST_GET_ARGUMENT_SUCCESS("hello/x\t", YCTX, Y_STR_ARG, "hello/x\t", 7, "\t", 1);
+    assert_null(buf);
+
+    /* different quoting */
+    TEST_GET_ARGUMENT_SUCCESS("hello/x\t", YCTX, Y_STR_ARG, "hello/x\t", 7, "\t", 1);
+
+    TEST_GET_ARGUMENT_SUCCESS("hello ", YCTX, Y_STR_ARG, "hello ", 5, " ", 1);
+
+    TEST_GET_ARGUMENT_SUCCESS("hello/*comment*/\n", YCTX, Y_STR_ARG, "hello/*comment*/\n", 5, "\n", 1);
+
+    TEST_GET_ARGUMENT_SUCCESS("\"hello\\n\\t\\\"\\\\\";", YCTX, Y_STR_ARG, "hello\n\t\"\\", 9, ";", 1);
+    free(buf);
+
+    YCTX->indent = 14;
+    /* - space and tabs before newline are stripped out
+     * - space and tabs after newline (indentation) are stripped out
+     */
+    TEST_GET_ARGUMENT_SUCCESS("\"hello \t\n\t\t world!\"", YCTX, Y_STR_ARG, "hello\n  world!", 14, "", 2);
+    free(buf);
+
+/* In contrast to previous, the backslash-escaped tabs are expanded after trimming, so they are preserved */
+    YCTX->indent = 14;
+    TEST_GET_ARGUMENT_SUCCESS("\"hello \\t\n\t\\t world!\"", YCTX, Y_STR_ARG, "hello \t\n\t world!", 16, "", 2);
+    assert_ptr_equal(word, buf);
+    free(buf);
+
+    /* Do not handle whitespaces after backslash-escaped newline as indentation */
+    YCTX->indent = 14;
+    TEST_GET_ARGUMENT_SUCCESS("\"hello\\n\t\t world!\"", YCTX, Y_STR_ARG, "hello\n\t\t world!", 15, "", 1);
+    assert_ptr_equal(word, buf);
+    free(buf);
+
+    YCTX->indent = 14;
+    TEST_GET_ARGUMENT_SUCCESS("\"hello\n \tworld!\"", YCTX, Y_STR_ARG, "hello\nworld!", 12, "", 2);
+    assert_ptr_equal(word, buf);
+    free(buf);
+
+    TEST_GET_ARGUMENT_SUCCESS("\'hello\'", YCTX, Y_STR_ARG, "hello'", 5, "", 1);
+
+    TEST_GET_ARGUMENT_SUCCESS("\"hel\"  +\t\n\"lo\"", YCTX, Y_STR_ARG, "hello", 5, "", 2);
+    assert_ptr_equal(word, buf);
+    free(buf);
+
+    in.line = 1;
+    in.current = "\"hel\"  +\t\nlo"; /* unquoted the second part */
+    assert_int_equal(LY_EVALID, get_argument(YCTX, Y_STR_ARG, NULL, &word, &buf, &len));
+    CHECK_LOG_CTX("Both string parts divided by '+' must be quoted.", "Line number 2.");
+
+    TEST_GET_ARGUMENT_SUCCESS("\'he\'\t\n+ \"llo\"", YCTX, Y_STR_ARG, "hello", 5, "", 2);
+    free(buf);
+
+    TEST_GET_ARGUMENT_SUCCESS(" \t\n\"he\"+\'llo\'", YCTX, Y_STR_ARG, "hello", 5, "", 2);
+    free(buf);
+
+    /* missing argument */
+    in.line = 1;
+    in.current = ";";
+    assert_int_equal(LY_EVALID, get_argument(YCTX, Y_STR_ARG, NULL, &word, &buf, &len));
+    CHECK_LOG_CTX("Invalid character sequence \";\", expected an argument.", "Line number 1.");
+}
+
+#define TEST_STMS_SUCCESS(INPUT_TEXT, CTX, ACTION, EXPECT_WORD)\
+                   in.current = INPUT_TEXT;\
+                   assert_int_equal(LY_SUCCESS, get_keyword(CTX, &kw, &word, &len));\
+                   assert_int_equal(ACTION, kw);\
+                   assert_int_equal(strlen(EXPECT_WORD), len);\
+                   assert_true(0 == strncmp(EXPECT_WORD, word, len))
+
+static void
+test_stmts(void **state)
+{
+    const char *p;
+    enum ly_stmt kw;
+    char *word;
+    size_t len;
+
+    in.current = "\n// comment\n\tinput\t{";
+    assert_int_equal(LY_SUCCESS, get_keyword(YCTX, &kw, &word, &len));
+    assert_int_equal(LY_STMT_INPUT, kw);
+    assert_int_equal(5, len);
+    assert_string_equal("input\t{", word);
+    assert_string_equal("\t{", in.current);
+
+    in.current = "\t /* comment */\t output\n\t{";
+    assert_int_equal(LY_SUCCESS, get_keyword(YCTX, &kw, &word, &len));
+    assert_int_equal(LY_STMT_OUTPUT, kw);
+    assert_int_equal(6, len);
+    assert_string_equal("output\n\t{", word);
+    assert_string_equal("\n\t{", in.current);
+    assert_int_equal(LY_SUCCESS, get_keyword(YCTX, &kw, &word, &len));
+    assert_int_equal(LY_STMT_SYNTAX_LEFT_BRACE, kw);
+    assert_int_equal(1, len);
+    assert_string_equal("{", word);
+    assert_string_equal("", in.current);
+
+    in.current = "/input { "; /* invalid slash */
+    assert_int_equal(LY_EVALID, get_keyword(YCTX, &kw, &word, &len));
+    CHECK_LOG_CTX("Invalid identifier first character '/'.", "Line number 4.");
+
+    in.current = "not-a-statement-nor-extension { "; /* invalid identifier */
+    assert_int_equal(LY_EVALID, get_keyword(YCTX, &kw, &word, &len));
+    CHECK_LOG_CTX("Invalid character sequence \"not-a-statement-nor-extension\", expected a keyword.", "Line number 4.");
+
+    in.current = "path;"; /* missing sep after the keyword */
+    assert_int_equal(LY_EVALID, get_keyword(YCTX, &kw, &word, &len));
+    CHECK_LOG_CTX("Invalid character sequence \"path;\", expected a keyword followed by a separator.", "Line number 4.");
+
+    TEST_STMS_SUCCESS("action ", YCTX, LY_STMT_ACTION, "action");
+
+    TEST_STMS_SUCCESS("anydata ", YCTX, LY_STMT_ANYDATA, "anydata");
+    TEST_STMS_SUCCESS("anyxml ", YCTX, LY_STMT_ANYXML, "anyxml");
+    TEST_STMS_SUCCESS("argument ", YCTX, LY_STMT_ARGUMENT, "argument");
+    TEST_STMS_SUCCESS("augment ", YCTX, LY_STMT_AUGMENT, "augment");
+    TEST_STMS_SUCCESS("base ", YCTX, LY_STMT_BASE, "base");
+    TEST_STMS_SUCCESS("belongs-to ", YCTX, LY_STMT_BELONGS_TO, "belongs-to");
+    TEST_STMS_SUCCESS("bit ", YCTX, LY_STMT_BIT, "bit");
+    TEST_STMS_SUCCESS("case ", YCTX, LY_STMT_CASE, "case");
+    TEST_STMS_SUCCESS("choice ", YCTX, LY_STMT_CHOICE, "choice");
+    TEST_STMS_SUCCESS("config ", YCTX, LY_STMT_CONFIG, "config");
+    TEST_STMS_SUCCESS("contact ", YCTX, LY_STMT_CONTACT, "contact");
+    TEST_STMS_SUCCESS("container ", YCTX, LY_STMT_CONTAINER, "container");
+    TEST_STMS_SUCCESS("default ", YCTX, LY_STMT_DEFAULT, "default");
+    TEST_STMS_SUCCESS("description ", YCTX, LY_STMT_DESCRIPTION, "description");
+    TEST_STMS_SUCCESS("deviate ", YCTX, LY_STMT_DEVIATE, "deviate");
+    TEST_STMS_SUCCESS("deviation ", YCTX, LY_STMT_DEVIATION, "deviation");
+    TEST_STMS_SUCCESS("enum ", YCTX, LY_STMT_ENUM, "enum");
+    TEST_STMS_SUCCESS("error-app-tag ", YCTX, LY_STMT_ERROR_APP_TAG, "error-app-tag");
+    TEST_STMS_SUCCESS("error-message ", YCTX, LY_STMT_ERROR_MESSAGE, "error-message");
+    TEST_STMS_SUCCESS("extension ", YCTX, LY_STMT_EXTENSION, "extension");
+    TEST_STMS_SUCCESS("feature ", YCTX, LY_STMT_FEATURE, "feature");
+    TEST_STMS_SUCCESS("fraction-digits ", YCTX, LY_STMT_FRACTION_DIGITS, "fraction-digits");
+    TEST_STMS_SUCCESS("grouping ", YCTX, LY_STMT_GROUPING, "grouping");
+    TEST_STMS_SUCCESS("identity ", YCTX, LY_STMT_IDENTITY, "identity");
+    TEST_STMS_SUCCESS("if-feature ", YCTX, LY_STMT_IF_FEATURE, "if-feature");
+    TEST_STMS_SUCCESS("import ", YCTX, LY_STMT_IMPORT, "import");
+    TEST_STMS_SUCCESS("include ", YCTX, LY_STMT_INCLUDE, "include");
+    TEST_STMS_SUCCESS("input{", YCTX, LY_STMT_INPUT, "input");
+    TEST_STMS_SUCCESS("key ", YCTX, LY_STMT_KEY, "key");
+    TEST_STMS_SUCCESS("leaf ", YCTX, LY_STMT_LEAF, "leaf");
+    TEST_STMS_SUCCESS("leaf-list ", YCTX, LY_STMT_LEAF_LIST, "leaf-list");
+    TEST_STMS_SUCCESS("length ", YCTX, LY_STMT_LENGTH, "length");
+    TEST_STMS_SUCCESS("list ", YCTX, LY_STMT_LIST, "list");
+    TEST_STMS_SUCCESS("mandatory ", YCTX, LY_STMT_MANDATORY, "mandatory");
+    TEST_STMS_SUCCESS("max-elements ", YCTX, LY_STMT_MAX_ELEMENTS, "max-elements");
+    TEST_STMS_SUCCESS("min-elements ", YCTX, LY_STMT_MIN_ELEMENTS, "min-elements");
+    TEST_STMS_SUCCESS("modifier ", YCTX, LY_STMT_MODIFIER, "modifier");
+    TEST_STMS_SUCCESS("module ", YCTX, LY_STMT_MODULE, "module");
+    TEST_STMS_SUCCESS("must ", YCTX, LY_STMT_MUST, "must");
+    TEST_STMS_SUCCESS("namespace ", YCTX, LY_STMT_NAMESPACE, "namespace");
+    TEST_STMS_SUCCESS("notification ", YCTX, LY_STMT_NOTIFICATION, "notification");
+    TEST_STMS_SUCCESS("ordered-by ", YCTX, LY_STMT_ORDERED_BY, "ordered-by");
+    TEST_STMS_SUCCESS("organization ", YCTX, LY_STMT_ORGANIZATION, "organization");
+    TEST_STMS_SUCCESS("output ", YCTX, LY_STMT_OUTPUT, "output");
+    TEST_STMS_SUCCESS("path ", YCTX, LY_STMT_PATH, "path");
+    TEST_STMS_SUCCESS("pattern ", YCTX, LY_STMT_PATTERN, "pattern");
+    TEST_STMS_SUCCESS("position ", YCTX, LY_STMT_POSITION, "position");
+    TEST_STMS_SUCCESS("prefix ", YCTX, LY_STMT_PREFIX, "prefix");
+    TEST_STMS_SUCCESS("presence ", YCTX, LY_STMT_PRESENCE, "presence");
+    TEST_STMS_SUCCESS("range ", YCTX, LY_STMT_RANGE, "range");
+    TEST_STMS_SUCCESS("reference ", YCTX, LY_STMT_REFERENCE, "reference");
+    TEST_STMS_SUCCESS("refine ", YCTX, LY_STMT_REFINE, "refine");
+    TEST_STMS_SUCCESS("require-instance ", YCTX, LY_STMT_REQUIRE_INSTANCE, "require-instance");
+    TEST_STMS_SUCCESS("revision ", YCTX, LY_STMT_REVISION, "revision");
+    TEST_STMS_SUCCESS("revision-date ", YCTX, LY_STMT_REVISION_DATE, "revision-date");
+    TEST_STMS_SUCCESS("rpc ", YCTX, LY_STMT_RPC, "rpc");
+    TEST_STMS_SUCCESS("status ", YCTX, LY_STMT_STATUS, "status");
+    TEST_STMS_SUCCESS("submodule ", YCTX, LY_STMT_SUBMODULE, "submodule");
+    TEST_STMS_SUCCESS("type ", YCTX, LY_STMT_TYPE, "type");
+    TEST_STMS_SUCCESS("typedef ", YCTX, LY_STMT_TYPEDEF, "typedef");
+    TEST_STMS_SUCCESS("unique ", YCTX, LY_STMT_UNIQUE, "unique");
+    TEST_STMS_SUCCESS("units ", YCTX, LY_STMT_UNITS, "units");
+    TEST_STMS_SUCCESS("uses ", YCTX, LY_STMT_USES, "uses");
+    TEST_STMS_SUCCESS("value ", YCTX, LY_STMT_VALUE, "value");
+    TEST_STMS_SUCCESS("when ", YCTX, LY_STMT_WHEN, "when");
+    TEST_STMS_SUCCESS("yang-version ", YCTX, LY_STMT_YANG_VERSION, "yang-version");
+    TEST_STMS_SUCCESS("yin-element ", YCTX, LY_STMT_YIN_ELEMENT, "yin-element");
+    TEST_STMS_SUCCESS(";config false;", YCTX, LY_STMT_SYNTAX_SEMICOLON, ";");
+    assert_string_equal("config false;", in.current);
+    TEST_STMS_SUCCESS("{ config false;", YCTX, LY_STMT_SYNTAX_LEFT_BRACE, "{");
+    assert_string_equal(" config false;", in.current);
+    TEST_STMS_SUCCESS("}", YCTX, LY_STMT_SYNTAX_RIGHT_BRACE, "}");
+    assert_string_equal("", in.current);
+
+    /* geenric extension */
+    in.current = p = "nacm:default-deny-write;";
+    assert_int_equal(LY_SUCCESS, get_keyword(YCTX, &kw, &word, &len));
+    assert_int_equal(LY_STMT_EXTENSION_INSTANCE, kw);
+    assert_int_equal(23, len);
+    assert_ptr_equal(p, word);
+}
+
+static void
+test_minmax(void **state)
+{
+    uint16_t flags = 0;
+    uint32_t value = 0;
+    struct lysp_ext_instance *ext = NULL;
+
+    PARSER_CUR_PMOD(YCTX)->version = 2; /* simulate YANG 1.1 */
+
+    in.current = " 1invalid; ...";
+    assert_int_equal(LY_EVALID, parse_minelements(YCTX, &value, &flags, &ext));
+    CHECK_LOG_CTX("Invalid value \"1invalid\" of \"min-elements\".", "Line number 1.");
+
+    flags = value = 0;
+    in.current = " -1; ...";
+    assert_int_equal(LY_EVALID, parse_minelements(YCTX, &value, &flags, &ext));
+    CHECK_LOG_CTX("Invalid value \"-1\" of \"min-elements\".", "Line number 1.");
+
+    /* implementation limit */
+    flags = value = 0;
+    in.current = " 4294967296; ...";
+    assert_int_equal(LY_EVALID, parse_minelements(YCTX, &value, &flags, &ext));
+    CHECK_LOG_CTX("Value \"4294967296\" is out of \"min-elements\" bounds.", "Line number 1.");
+
+    flags = value = 0;
+    in.current = " 1 {config true;} ...";
+    assert_int_equal(LY_EVALID, parse_minelements(YCTX, &value, &flags, &ext));
+    CHECK_LOG_CTX("Invalid keyword \"config\" as a child of \"min-elements\".", "Line number 1.");
+
+    in.current = " 1invalid; ...";
+    assert_int_equal(LY_EVALID, parse_maxelements(YCTX, &value, &flags, &ext));
+    CHECK_LOG_CTX("Invalid value \"1invalid\" of \"max-elements\".", "Line number 1.");
+
+    flags = value = 0;
+    in.current = " -1; ...";
+    assert_int_equal(LY_EVALID, parse_maxelements(YCTX, &value, &flags, &ext));
+    CHECK_LOG_CTX("Invalid value \"-1\" of \"max-elements\".", "Line number 1.");
+
+    /* implementation limit */
+    flags = value = 0;
+    in.current = " 4294967296; ...";
+    assert_int_equal(LY_EVALID, parse_maxelements(YCTX, &value, &flags, &ext));
+    CHECK_LOG_CTX("Value \"4294967296\" is out of \"max-elements\" bounds.", "Line number 1.");
+
+    flags = value = 0;
+    in.current = " 1 {config true;} ...";
+    assert_int_equal(LY_EVALID, parse_maxelements(YCTX, &value, &flags, &ext));
+    CHECK_LOG_CTX("Invalid keyword \"config\" as a child of \"max-elements\".", "Line number 1.");
+}
+
+static void
+test_valid_module(void **state)
+{
+    struct lys_module *mod;
+    char *printed;
+    const char *links_yang =
+            "module links {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"urn:module2\";\n"
+            "  prefix mod2;\n"
+            "\n"
+            "  identity just-another-identity;\n"
+            "\n"
+            "  leaf one-leaf {\n"
+            "    type string;\n"
+            "  }\n"
+            "\n"
+            "  list list-for-augment {\n"
+            "    key keyleaf;\n"
+            "\n"
+            "    leaf keyleaf {\n"
+            "      type string;\n"
+            "    }\n"
+            "\n"
+            "    leaf just-leaf {\n"
+            "      type int32;\n"
+            "    }\n"
+            "  }\n"
+            "\n"
+            "  leaf rleaf {\n"
+            "    type string;\n"
+            "  }\n"
+            "\n"
+            "  leaf-list llist {\n"
+            "    type string;\n"
+            "    min-elements 0;\n"
+            "    max-elements 100;\n"
+            "    ordered-by user;\n"
+            "  }\n"
+            "\n"
+            "  grouping rgroup {\n"
+            "    leaf rg1 {\n"
+            "      type string;\n"
+            "    }\n"
+            "\n"
+            "    leaf rg2 {\n"
+            "      type string;\n"
+            "    }\n"
+            "  }\n"
+            "}\n";
+    const char *statements_yang =
+            "module statements {\n"
+            "  yang-version 1.1;\n"
+            "  namespace \"urn:module\";\n"
+            "  prefix mod;\n"
+            "\n"
+            "  import links {\n"
+            "    prefix mod2;\n"
+            "  }\n"
+            "\n"
+            "  extension ext;\n"
+            "\n"
+            "  identity random-identity {\n"
+            "    base mod2:just-another-identity;\n"
+            "    base another-identity;\n"
+            "  }\n"
+            "\n"
+            "  identity another-identity {\n"
+            "    base mod2:just-another-identity;\n"
+            "  }\n"
+            "\n"
+            "  typedef percent {\n"
+            "    type uint8 {\n"
+            "      range \"0 .. 100\";\n"
+            "    }\n"
+            "    units \"percent\";\n"
+            "  }\n"
+            "\n"
+            "  list list1 {\n"
+            "    key \"a\";\n"
+            "    leaf a {\n"
+            "      type string;\n"
+            "    }\n"
+            "    leaf x {\n"
+            "      type string;\n"
+            "    }\n"
+            "    leaf y {\n"
+            "      type string;\n"
+            "    }\n"
+            "  }\n"
+            "  container ice-cream-shop {\n"
+            "    container employees {\n"
+            "      when \"/list1/x\";\n"
+            "      list employee {\n"
+            "        key \"id\";\n"
+            "        unique \"name\";\n"
+            "        config true;\n"
+            "        min-elements 0 {\n"
+            "          mod:ext;\n"
+            "        }\n"
+            "        max-elements unbounded;\n"
+            "        leaf id {\n"
+            "          type uint64;\n"
+            "          mandatory true;\n"
+            "        }\n"
+            "        leaf name {\n"
+            "          type string;\n"
+            "        }\n"
+            "        leaf age {\n"
+            "          type uint32;\n"
+            "        }\n"
+            "      }\n"
+            "    }\n"
+            "  }\n"
+            "  container random {\n"
+            "    grouping group {\n"
+            "      leaf g1 {\n"
+            "        type percent;\n"
+            "        mandatory false;\n"
+            "      }\n"
+            "      leaf g2 {\n"
+            "        type string;\n"
+            "      }\n"
+            "    }\n"
+            "    choice switch {\n"
+            "      case a {\n"
+            "        leaf aleaf {\n"
+            "          type string;\n"
+            "          default \"aaa\";\n"
+            "        }\n"
+            "      }\n"
+            "      case c {\n"
+            "        leaf cleaf {\n"
+            "          type string;\n"
+            "        }\n"
+            "      }\n"
+            "    }\n"
+            "    anyxml xml-data;\n"
+            "    anydata any-data;\n"
+            "    leaf-list leaflist {\n"
+            "      type string;\n"
+            "      min-elements 0;\n"
+            "      max-elements 20;\n"
+            "    }\n"
+            "    uses group;\n"
+            "    uses mod2:rgroup;\n"
+            "    leaf lref {\n"
+            "      type leafref {\n"
+            "        path \"/mod2:one-leaf\";\n"
+            "      }\n"
+            "    }\n"
+            "    leaf iref {\n"
+            "      type identityref {\n"
+            "        base mod2:just-another-identity;\n"
+            "      }\n"
+            "    }\n"
+            "  }\n"
+            "\n"
+            "  augment \"/random\" {\n"
+            "    leaf aug-leaf {\n"
+            "      type string;\n"
+            "    }\n"
+            "  }\n"
+            "\n"
+            "  notification notif;\n"
+            "\n"
+            "  deviation \"/mod:ice-cream-shop/mod:employees/mod:employee/mod:age\" {\n"
+            "    deviate not-supported {\n"
+            "      mod:ext;\n"
+            "    }\n"
+            "  }\n"
+            "  deviation \"/mod:list1\" {\n"
+            "    deviate add {\n"
+            "      mod:ext;\n"
+            "      must \"1\";\n"
+            "      must \"2\";\n"
+            "      unique \"x\";\n"
+            "      unique \"y\";\n"
+            "      config true;\n"
+            "      min-elements 1;\n"
+            "      max-elements 2;\n"
+            "    }\n"
+            "  }\n"
+            "  deviation \"/mod:ice-cream-shop/mod:employees/mod:employee\" {\n"
+            "    deviate delete {\n"
+            "      unique \"name\";\n"
+            "    }\n"
+            "  }\n"
+            "  deviation \"/mod:random/mod:leaflist\" {\n"
+            "    deviate replace {\n"
+            "      type uint32;\n"
+            "      min-elements 10;\n"
+            "      max-elements 15;\n"
+            "    }\n"
+            "  }\n"
+            "}\n";
+
+    UTEST_ADD_MODULE(links_yang, LYS_IN_YANG, NULL, NULL);
+    UTEST_ADD_MODULE(statements_yang, LYS_IN_YANG, NULL, &mod);
+    lys_print_mem(&printed, mod, LYS_OUT_YANG, 0);
+    assert_string_equal(printed, statements_yang);
+    free(printed);
+}
+
+static struct lysp_module *
+mod_renew(struct lysp_yang_ctx *ctx)
+{
+    struct ly_ctx *ly_ctx = PARSER_CUR_PMOD(ctx)->mod->ctx;
+    struct lysp_module *pmod;
+
+    lys_module_free(&fctx, PARSER_CUR_PMOD(ctx)->mod, 0);
+    pmod = calloc(1, sizeof *pmod);
+    ctx->parsed_mods->objs[0] = pmod;
+    pmod->mod = calloc(1, sizeof *pmod->mod);
+    pmod->mod->parsed = pmod;
+    pmod->mod->ctx = ly_ctx;
+
+    ctx->in->line = 1;
+    fctx.mod = pmod->mod;
+
+    return pmod;
+}
+
+static struct lysp_submodule *
+submod_renew(struct lysp_yang_ctx *ctx)
+{
+    struct ly_ctx *ly_ctx = PARSER_CUR_PMOD(ctx)->mod->ctx;
+    struct lysp_submodule *submod;
+
+    lys_module_free(&fctx, PARSER_CUR_PMOD(ctx)->mod, 0);
+    submod = calloc(1, sizeof *submod);
+    ctx->parsed_mods->objs[0] = submod;
+    submod->mod = calloc(1, sizeof *submod->mod);
+    lydict_insert(ly_ctx, "name", 0, &submod->mod->name);
+    submod->mod->parsed = (struct lysp_module *)submod;
+    submod->mod->ctx = ly_ctx;
+
+    fctx.mod = submod->mod;
+
+    return submod;
+}
+
+static LY_ERR
+test_imp_clb(const char *UNUSED(mod_name), const char *UNUSED(mod_rev), const char *UNUSED(submod_name),
+        const char *UNUSED(sub_rev), void *user_data, LYS_INFORMAT *format,
+        const char **module_data, void (**free_module_data)(void *model_data, void *user_data))
+{
+    *module_data = user_data;
+    *format = LYS_IN_YANG;
+    *free_module_data = NULL;
+    return LY_SUCCESS;
+}
+
+static void
+test_module(void **state)
+{
+    struct lysp_module *mod = NULL;
+    struct lysp_submodule *submod = NULL;
+    struct lys_module *m;
+    struct lysp_yang_ctx *ctx_p;
+
+    mod = mod_renew(YCTX);
+
+    /* missing mandatory substatements */
+    in.current = " name {}";
+    assert_int_equal(LY_EVALID, parse_module(YCTX, mod));
+    assert_string_equal("name", mod->mod->name);
+    CHECK_LOG_CTX("Missing mandatory keyword \"namespace\" as a child of \"module\".", "Line number 1.");
+
+    mod = mod_renew(YCTX);
+    in.current = " name {namespace urn:name;}";
+    assert_int_equal(LY_EVALID, parse_module(YCTX, mod));
+    assert_string_equal("urn:name", mod->mod->ns);
+    CHECK_LOG_CTX("Missing mandatory keyword \"prefix\" as a child of \"module\".", "Line number 1.");
+    mod = mod_renew(YCTX);
+
+    in.current = " name {namespace urn:name;prefix \"n\";}";
+    assert_int_equal(LY_SUCCESS, parse_module(YCTX, mod));
+    assert_string_equal("n", mod->mod->prefix);
+    mod = mod_renew(YCTX);
+
+#define SCHEMA_BEGINNING " name {yang-version 1.1;namespace urn:x;prefix \"x\";"
+#define SCHEMA_BEGINNING2 " name {namespace urn:x;prefix \"x\";"
+#define TEST_NODE(NODETYPE, INPUT, NAME) \
+        in.current = SCHEMA_BEGINNING INPUT; \
+        assert_int_equal(LY_SUCCESS, parse_module(YCTX, mod)); \
+        assert_non_null(mod->data); \
+        assert_int_equal(NODETYPE, mod->data->nodetype); \
+        assert_string_equal(NAME, mod->data->name); \
+        mod = mod_renew(YCTX);
+#define TEST_GENERIC(INPUT, TARGET, TEST) \
+        in.current = SCHEMA_BEGINNING INPUT; \
+        assert_int_equal(LY_SUCCESS, parse_module(YCTX, mod)); \
+        assert_non_null(TARGET); \
+        TEST; \
+        mod = mod_renew(YCTX);
+#define TEST_DUP(MEMBER, VALUE1, VALUE2, LINE) \
+        TEST_DUP_GENERIC(SCHEMA_BEGINNING, MEMBER, VALUE1, VALUE2, \
+                         parse_module, mod, LINE, mod = mod_renew(YCTX))
+
+    /* duplicated namespace, prefix */
+    TEST_DUP("namespace", "y", "z", "1");
+    TEST_DUP("prefix", "y", "z", "1");
+    TEST_DUP("contact", "a", "b", "1");
+    TEST_DUP("description", "a", "b", "1");
+    TEST_DUP("organization", "a", "b", "1");
+    TEST_DUP("reference", "a", "b", "1");
+
+    /* not allowed in module (submodule-specific) */
+    in.current = SCHEMA_BEGINNING "belongs-to master {prefix m;}}";
+    assert_int_equal(LY_EVALID, parse_module(YCTX, mod));
+    CHECK_LOG_CTX("Invalid keyword \"belongs-to\" as a child of \"module\".", "Line number 1.");
+    mod = mod_renew(YCTX);
+
+    /* anydata */
+    TEST_NODE(LYS_ANYDATA, "anydata test;}", "test");
+    /* anyxml */
+    TEST_NODE(LYS_ANYXML, "anyxml test;}", "test");
+    /* augment */
+    TEST_GENERIC("augment /somepath;}", mod->augments,
+            assert_string_equal("/somepath", mod->augments[0].nodeid));
+    /* choice */
+    TEST_NODE(LYS_CHOICE, "choice test;}", "test");
+    /* contact 0..1 */
+    TEST_GENERIC("contact \"firstname\" + \n\t\" surname\";}", mod->mod->contact,
+            assert_string_equal("firstname surname", mod->mod->contact));
+    /* container */
+    TEST_NODE(LYS_CONTAINER, "container test;}", "test");
+    /* description 0..1 */
+    TEST_GENERIC("description \'some description\';}", mod->mod->dsc,
+            assert_string_equal("some description", mod->mod->dsc));
+    /* deviation */
+    TEST_GENERIC("deviation /somepath {deviate not-supported;}}", mod->deviations,
+            assert_string_equal("/somepath", mod->deviations[0].nodeid));
+    /* extension */
+    TEST_GENERIC("extension test;}", mod->extensions,
+            assert_string_equal("test", mod->extensions[0].name));
+    /* feature */
+    TEST_GENERIC("feature test;}", mod->features,
+            assert_string_equal("test", mod->features[0].name));
+    /* grouping */
+    TEST_GENERIC("grouping grp;}", mod->groupings,
+            assert_string_equal("grp", mod->groupings[0].name));
+    /* identity */
+    TEST_GENERIC("identity test;}", mod->identities,
+            assert_string_equal("test", mod->identities[0].name));
+    /* import */
+    ly_ctx_set_module_imp_clb(PARSER_CUR_PMOD(YCTX)->mod->ctx, test_imp_clb, "module zzz { namespace urn:zzz; prefix z;}");
+    TEST_GENERIC("import zzz {prefix z;}}", mod->imports,
+            assert_string_equal("zzz", mod->imports[0].name));
+
+    /* import - prefix collision */
+    in.current = SCHEMA_BEGINNING "import zzz {prefix x;}}";
+    assert_int_equal(LY_EVALID, parse_module(YCTX, mod));
+    CHECK_LOG_CTX("Prefix \"x\" already used as module prefix.", "Line number 1.");
+    mod = mod_renew(YCTX);
+
+    in.current = SCHEMA_BEGINNING "import zzz {prefix y;}import zzz {prefix y;}}";
+    assert_int_equal(LY_EVALID, parse_module(YCTX, mod));
+    CHECK_LOG_CTX("Prefix \"y\" already used to import \"zzz\" module.", "Line number 1.");
+
+    mod = mod_renew(YCTX);
+    LOG_LOCBACK(0, 0, 0, 1);
+
+    in.current = "module name10 {yang-version 1.1;namespace urn:name10;prefix \"n10\";import zzz {prefix y;}import zzz {prefix z;}}";
+    assert_int_equal(lys_parse_mem(PARSER_CUR_PMOD(YCTX)->mod->ctx, in.current, LYS_IN_YANG, NULL), LY_SUCCESS);
+    CHECK_LOG_CTX("Single revision of the module \"zzz\" imported twice.", NULL);
+
+    /* include */
+    ly_ctx_set_module_imp_clb(PARSER_CUR_PMOD(YCTX)->mod->ctx, test_imp_clb, "module xxx { namespace urn:xxx; prefix x;}");
+    in.current = "module" SCHEMA_BEGINNING "include xxx;}";
+    assert_int_equal(lys_parse_mem(PARSER_CUR_PMOD(YCTX)->mod->ctx, in.current, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"name\" failed.", NULL, "Including \"xxx\" submodule into \"name\" failed.", NULL);
+
+    ly_ctx_set_module_imp_clb(PARSER_CUR_PMOD(YCTX)->mod->ctx, test_imp_clb, "submodule xxx {belongs-to wrong-name {prefix w;}}");
+    in.current = "module" SCHEMA_BEGINNING "include xxx;}";
+    assert_int_equal(lys_parse_mem(PARSER_CUR_PMOD(YCTX)->mod->ctx, in.current, LYS_IN_YANG, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Parsing module \"name\" failed.", NULL, "Including \"xxx\" submodule into \"name\" failed.", NULL);
+
+    ly_ctx_set_module_imp_clb(PARSER_CUR_PMOD(YCTX)->mod->ctx, test_imp_clb, "submodule xxx {belongs-to name {prefix x;}}");
+    TEST_GENERIC("include xxx;}", mod->includes,
+            assert_string_equal("xxx", mod->includes[0].name));
+
+    /* leaf */
+    TEST_NODE(LYS_LEAF, "leaf test {type string;}}", "test");
+    /* leaf-list */
+    TEST_NODE(LYS_LEAFLIST, "leaf-list test {type string;}}", "test");
+    /* list */
+    TEST_NODE(LYS_LIST, "list test {key a;leaf a {type string;}}}", "test");
+    /* notification */
+    TEST_GENERIC("notification test;}", mod->notifs,
+            assert_string_equal("test", mod->notifs[0].name));
+    /* organization 0..1 */
+    TEST_GENERIC("organization \"CESNET a.l.e.\";}", mod->mod->org,
+            assert_string_equal("CESNET a.l.e.", mod->mod->org));
+    /* reference 0..1 */
+    TEST_GENERIC("reference RFC7950;}", mod->mod->ref,
+            assert_string_equal("RFC7950", mod->mod->ref));
+    /* revision */
+    TEST_GENERIC("revision 2018-10-12;}", mod->revs,
+            assert_string_equal("2018-10-12", mod->revs[0].date));
+    /* rpc */
+    TEST_GENERIC("rpc test;}", mod->rpcs,
+            assert_string_equal("test", mod->rpcs[0].name));
+    /* typedef */
+    TEST_GENERIC("typedef test{type string;}}", mod->typedefs,
+            assert_string_equal("test", mod->typedefs[0].name));
+    /* uses */
+    TEST_NODE(LYS_USES, "uses test;}", "test");
+    /* yang-version */
+    in.current = SCHEMA_BEGINNING2 "\n\tyang-version 10;}";
+    assert_int_equal(LY_EVALID, parse_module(YCTX, mod));
+    CHECK_LOG_CTX("Invalid value \"10\" of \"yang-version\".", NULL);
+    mod = mod_renew(YCTX);
+    in.current = SCHEMA_BEGINNING2 "yang-version 1;yang-version 1.1;}";
+    assert_int_equal(LY_EVALID, parse_module(YCTX, mod));
+    CHECK_LOG_CTX("Duplicate keyword \"yang-version\".", NULL);
+    mod = mod_renew(YCTX);
+    in.current = SCHEMA_BEGINNING2 "yang-version 1;}";
+    assert_int_equal(LY_SUCCESS, parse_module(YCTX, mod));
+    assert_int_equal(1, mod->version);
+    mod = mod_renew(YCTX);
+    in.current = SCHEMA_BEGINNING2 "yang-version \"1.1\";}";
+    assert_int_equal(LY_SUCCESS, parse_module(YCTX, mod));
+    assert_int_equal(2, mod->version);
+    mod = mod_renew(YCTX);
+
+    in.current = "module " SCHEMA_BEGINNING "} module q {namespace urn:q;prefixq;}";
+    m = calloc(1, sizeof *m);
+    m->ctx = PARSER_CUR_PMOD(YCTX)->mod->ctx;
+    assert_int_equal(LY_EVALID, yang_parse_module(&ctx_p, &in, m));
+    CHECK_LOG_CTX("Trailing garbage \"module q {names...\" after module, expected end-of-input.", "Line number 1.");
+    lysp_yang_ctx_free(ctx_p);
+    lys_module_free(&fctx, m, 0);
+
+    in.current = "prefix " SCHEMA_BEGINNING "}";
+    m = calloc(1, sizeof *m);
+    m->ctx = PARSER_CUR_PMOD(YCTX)->mod->ctx;
+    assert_int_equal(LY_EVALID, yang_parse_module(&ctx_p, &in, m));
+    CHECK_LOG_CTX("Invalid keyword \"prefix\", expected \"module\" or \"submodule\".", "Line number 1.");
+    lysp_yang_ctx_free(ctx_p);
+    lys_module_free(&fctx, m, 0);
+
+    in.current = "module " SCHEMA_BEGINNING "leaf enum {type enumeration {enum seven { position 7;}}}}";
+    m = calloc(1, sizeof *m);
+    m->ctx = PARSER_CUR_PMOD(YCTX)->mod->ctx;
+    assert_int_equal(LY_EVALID, yang_parse_module(&ctx_p, &in, m));
+    CHECK_LOG_CTX("Invalid keyword \"position\" as a child of \"enum\".", "Line number 1.");
+    lysp_yang_ctx_free(ctx_p);
+    lys_module_free(&fctx, m, 0);
+
+    /* extensions */
+    TEST_GENERIC("prefix:test;}", mod->exts,
+            assert_string_equal("prefix:test", mod->exts[0].name);
+            assert_int_equal(LY_STMT_MODULE, mod->exts[0].parent_stmt));
+    mod = mod_renew(YCTX);
+
+    /* invalid substatement */
+    in.current = SCHEMA_BEGINNING "must false;}";
+    assert_int_equal(LY_EVALID, parse_module(YCTX, mod));
+    CHECK_LOG_CTX("Invalid keyword \"must\" as a child of \"module\".", NULL);
+
+    /* submodule */
+    submod = submod_renew(YCTX);
+
+    /* missing mandatory substatements */
+    in.current = " subname {}";
+    assert_int_equal(LY_EVALID, parse_submodule(YCTX, submod));
+    CHECK_LOG_CTX("Missing mandatory keyword \"belongs-to\" as a child of \"submodule\".", NULL);
+    assert_string_equal("subname", submod->name);
+
+    submod = submod_renew(YCTX);
+
+    in.current = " subname {belongs-to name {prefix x;}}";
+    assert_int_equal(LY_SUCCESS, parse_submodule(YCTX, submod));
+    assert_string_equal("name", submod->mod->name);
+    submod = submod_renew(YCTX);
+
+#undef SCHEMA_BEGINNING
+#define SCHEMA_BEGINNING " subname {belongs-to name {prefix x;}"
+
+    /* duplicated namespace, prefix */
+    in.current = " subname {belongs-to name {prefix x;}belongs-to module1;belongs-to module2;} ...";
+    assert_int_equal(LY_EVALID, parse_submodule(YCTX, submod));
+    CHECK_LOG_CTX("Duplicate keyword \"belongs-to\".", NULL);
+    submod = submod_renew(YCTX);
+
+    /* not allowed in submodule (module-specific) */
+    in.current = SCHEMA_BEGINNING "namespace \"urn:z\";}";
+    assert_int_equal(LY_EVALID, parse_submodule(YCTX, submod));
+    CHECK_LOG_CTX("Invalid keyword \"namespace\" as a child of \"submodule\".", NULL);
+    submod = submod_renew(YCTX);
+    in.current = SCHEMA_BEGINNING "prefix m;}}";
+    assert_int_equal(LY_EVALID, parse_submodule(YCTX, submod));
+    CHECK_LOG_CTX("Invalid keyword \"prefix\" as a child of \"submodule\".", NULL);
+    submod = submod_renew(YCTX);
+
+    in.current = "submodule " SCHEMA_BEGINNING "} module q {namespace urn:q;prefixq;}";
+    assert_int_equal(LY_EVALID, yang_parse_submodule(&ctx_p, PARSER_CUR_PMOD(YCTX)->mod->ctx, (struct lysp_ctx *)YCTX, YCTX->in, &submod));
+    CHECK_LOG_CTX("Trailing garbage \"module q {names...\" after submodule, expected end-of-input.", "Line number 1.");
+    lysp_yang_ctx_free(ctx_p);
+
+    in.current = "prefix " SCHEMA_BEGINNING "}";
+    assert_int_equal(LY_EVALID, yang_parse_submodule(&ctx_p, PARSER_CUR_PMOD(YCTX)->mod->ctx, (struct lysp_ctx *)YCTX, YCTX->in, &submod));
+    CHECK_LOG_CTX("Invalid keyword \"prefix\", expected \"module\" or \"submodule\".", "Line number 1.");
+    lysp_yang_ctx_free(ctx_p);
+    submod = submod_renew(YCTX);
+
+#undef TEST_GENERIC
+#undef TEST_NODE
+#undef TEST_DUP
+#undef SCHEMA_BEGINNING
+}
+
+static void
+test_deviation(void **state)
+{
+    struct lysp_deviation *d = NULL;
+
+    /* invalid cardinality */
+    TEST_DUP_GENERIC(" test {deviate not-supported;", "description", "a", "b", parse_deviation, &d, "1", );
+    TEST_DUP_GENERIC(" test {deviate not-supported;", "reference", "a", "b", parse_deviation, &d, "1", );
+
+    /* missing mandatory substatement */
+    in.current = " test {description text;}";
+    assert_int_equal(LY_EVALID, parse_deviation(YCTX, &d));
+    CHECK_LOG_CTX("Missing mandatory keyword \"deviate\" as a child of \"deviation\".", "Line number 1.");
+
+    /* invalid substatement */
+    in.current = " test {deviate not-supported; status obsolete;}";
+    assert_int_equal(LY_EVALID, parse_deviation(YCTX, &d));
+    CHECK_LOG_CTX("Invalid keyword \"status\" as a child of \"deviation\".", "Line number 1.");
+}
+
+static void
+test_deviate(void **state)
+{
+    struct lysp_deviate *d = NULL;
+
+    /* invalid cardinality */
+    TEST_DUP_GENERIC("add {", "config", "true", "false", parse_deviate, &d, "1", );
+    TEST_DUP_GENERIC("add {", "mandatory", "true", "false", parse_deviate, &d, "1", );
+    TEST_DUP_GENERIC("add {", "max-elements", "1", "2", parse_deviate, &d, "1", );
+    TEST_DUP_GENERIC("add {", "min-elements", "1", "2", parse_deviate, &d, "1", );
+    TEST_DUP_GENERIC("add {", "units", "kilometers", "miles", parse_deviate, &d, "1", );
+
+    /* invalid substatements */
+#define TEST_NOT_SUP(DEV, STMT, VALUE) \
+    in.current = " "DEV" {"STMT" "VALUE";}..."; \
+    assert_int_equal(LY_EVALID, parse_deviate(YCTX, &d)); \
+    CHECK_LOG_CTX("Deviate \""DEV"\" does not support keyword \""STMT"\".", "Line number 1.");
+
+    TEST_NOT_SUP("not-supported", "units", "meters");
+    TEST_NOT_SUP("not-supported", "must", "1");
+    TEST_NOT_SUP("not-supported", "unique", "x");
+    TEST_NOT_SUP("not-supported", "default", "a");
+    TEST_NOT_SUP("not-supported", "config", "true");
+    TEST_NOT_SUP("not-supported", "mandatory", "true");
+    TEST_NOT_SUP("not-supported", "min-elements", "1");
+    TEST_NOT_SUP("not-supported", "max-elements", "2");
+    TEST_NOT_SUP("not-supported", "type", "string");
+    TEST_NOT_SUP("add", "type", "string");
+    TEST_NOT_SUP("delete", "config", "true");
+    TEST_NOT_SUP("delete", "mandatory", "true");
+    TEST_NOT_SUP("delete", "min-elements", "1");
+    TEST_NOT_SUP("delete", "max-elements", "2");
+    TEST_NOT_SUP("delete", "type", "string");
+    TEST_NOT_SUP("replace", "must", "1");
+    TEST_NOT_SUP("replace", "unique", "a");
+
+    in.current = " nonsence; ...";
+    assert_int_equal(LY_EVALID, parse_deviate(YCTX, &d));
+    CHECK_LOG_CTX("Invalid value \"nonsence\" of \"deviate\".", "Line number 1.");\
+    assert_null(d);
+#undef TEST_NOT_SUP
+}
+
+static void
+test_container(void **state)
+{
+    struct lysp_node_container *c = NULL;
+
+    PARSER_CUR_PMOD(YCTX)->version = 2; /* simulate YANG 1.1 */
+    YCTX->main_ctx = (struct lysp_ctx *)YCTX;
+
+    /* invalid cardinality */
+#define TEST_DUP(MEMBER, VALUE1, VALUE2) \
+    in.current = "cont {" MEMBER" "VALUE1";"MEMBER" "VALUE2";} ..."; \
+    assert_int_equal(LY_EVALID, parse_container(YCTX, NULL, (struct lysp_node**)&c)); \
+    CHECK_LOG_CTX("Duplicate keyword \""MEMBER"\".", "Line number 1."); \
+    lysp_node_free(&fctx, (struct lysp_node*)c); c = NULL;
+
+    TEST_DUP("config", "true", "false");
+    TEST_DUP("description", "text1", "text2");
+    TEST_DUP("presence", "true", "false");
+    TEST_DUP("reference", "1", "2");
+    TEST_DUP("status", "current", "obsolete");
+    TEST_DUP("when", "true", "false");
+#undef TEST_DUP
+
+    /* full content */
+    in.current = "cont {action x;anydata any;anyxml anyxml; choice ch;config false;container c;description test;grouping g;if-feature f; leaf l {type string;}"
+            "leaf-list ll {type string;} list li;must 'expr';notification not; presence true; reference test;status current;typedef t {type int8;}uses g;when true;m:ext;} ...";
+    assert_int_equal(LY_SUCCESS, parse_container(YCTX, NULL, (struct lysp_node **)&c));
+    CHECK_LYSP_NODE(c, "test", 1, LYS_CONFIG_R | LYS_STATUS_CURR, 1, "cont", 0, LYS_CONTAINER, 0, "test", 1);
+    assert_non_null(c->actions);
+    assert_non_null(c->child);
+    assert_non_null(c->groupings);
+    assert_non_null(c->musts);
+    assert_non_null(c->notifs);
+    assert_string_equal("true", c->presence);
+    assert_non_null(c->typedefs);
+    ly_set_erase(&YCTX->tpdfs_nodes, NULL);
+    ly_set_erase(&YCTX->grps_nodes, NULL);
+    lysp_node_free(&fctx, (struct lysp_node *)c); c = NULL;
+
+    /* invalid */
+    in.current = " cont {augment /root;} ...";
+    assert_int_equal(LY_EVALID, parse_container(YCTX, NULL, (struct lysp_node **)&c));
+    CHECK_LOG_CTX("Invalid keyword \"augment\" as a child of \"container\".", "Line number 1.");
+    lysp_node_free(&fctx, (struct lysp_node *)c); c = NULL;
+    in.current = " cont {nonsence true;} ...";
+    assert_int_equal(LY_EVALID, parse_container(YCTX, NULL, (struct lysp_node **)&c));
+    CHECK_LOG_CTX("Invalid character sequence \"nonsence\", expected a keyword.", "Line number 1.");
+    lysp_node_free(&fctx, (struct lysp_node *)c); c = NULL;
+
+    PARSER_CUR_PMOD(YCTX)->version = 1; /* simulate YANG 1.0 */
+    in.current = " cont {action x;} ...";
+    assert_int_equal(LY_EVALID, parse_container(YCTX, NULL, (struct lysp_node **)&c));
+    CHECK_LOG_CTX("Invalid keyword \"action\" as a child of \"container\" - "
+            "the statement is allowed only in YANG 1.1 modules.", "Line number 1.");
+    lysp_node_free(&fctx, (struct lysp_node *)c); c = NULL;
+}
+
+static void
+test_leaf(void **state)
+{
+    struct lysp_node_leaf *l = NULL;
+
+    /* invalid cardinality */
+#define TEST_DUP(MEMBER, VALUE1, VALUE2) \
+    in.current = "l {" MEMBER" "VALUE1";"MEMBER" "VALUE2";} ..."; \
+    assert_int_equal(LY_EVALID, parse_leaf(YCTX, NULL, (struct lysp_node**)&l)); \
+    CHECK_LOG_CTX("Duplicate keyword \""MEMBER"\".", "Line number 1."); \
+    lysp_node_free(&fctx, (struct lysp_node*)l); l = NULL;
+
+    TEST_DUP("config", "true", "false");
+    TEST_DUP("default", "x", "y");
+    TEST_DUP("description", "text1", "text2");
+    TEST_DUP("mandatory", "true", "false");
+    TEST_DUP("reference", "1", "2");
+    TEST_DUP("status", "current", "obsolete");
+    TEST_DUP("type", "int8", "uint8");
+    TEST_DUP("units", "text1", "text2");
+    TEST_DUP("when", "true", "false");
+#undef TEST_DUP
+
+    /* full content - without mandatory which is mutual exclusive with default */
+    in.current = "l {config false;default \"xxx\";description test;if-feature f;"
+            "must 'expr';reference test;status current;type string; units yyy;when true;m:ext;} ...";
+    assert_int_equal(LY_SUCCESS, parse_leaf(YCTX, NULL, (struct lysp_node **)&l));
+    CHECK_LYSP_NODE(l, "test", 1, LYS_CONFIG_R | LYS_STATUS_CURR, 1, "l", 0, LYS_LEAF, 0, "test", 1);
+    assert_string_equal("xxx", l->dflt.str);
+    assert_string_equal("yyy", l->units);
+    assert_string_equal("string", l->type.name);
+    assert_non_null(l->musts);
+    lysp_node_free(&fctx, (struct lysp_node *)l); l = NULL;
+
+    /* full content - now with mandatory */
+    in.current = "l {mandatory true; type string;} ...";
+    assert_int_equal(LY_SUCCESS, parse_leaf(YCTX, NULL, (struct lysp_node **)&l));
+    CHECK_LYSP_NODE(l, NULL, 0, LYS_MAND_TRUE, 0, "l", 0, LYS_LEAF, 0, NULL, 0);
+    assert_string_equal("string", l->type.name);
+    lysp_node_free(&fctx, (struct lysp_node *)l); l = NULL;
+
+    /* invalid */
+    in.current = " l {description \"missing type\";} ...";
+    assert_int_equal(LY_EVALID, parse_leaf(YCTX, NULL, (struct lysp_node **)&l));
+    CHECK_LOG_CTX("Missing mandatory keyword \"type\" as a child of \"leaf\".", "Line number 1.");
+    lysp_node_free(&fctx, (struct lysp_node *)l); l = NULL;
+
+    in.current = "l { type iid { path qpud wrong {";
+    assert_int_equal(LY_EVALID, parse_leaf(YCTX, NULL, (struct lysp_node **)&l));
+    CHECK_LOG_CTX("Invalid character sequence \"wrong\", expected a keyword.", "Line number 1.");
+    lysp_node_free(&fctx, (struct lysp_node *)l); l = NULL;
+}
+
+static void
+test_leaflist(void **state)
+{
+    struct lysp_node_leaflist *ll = NULL;
+
+    PARSER_CUR_PMOD(YCTX)->version = 2; /* simulate YANG 1.1 */
+
+    /* invalid cardinality */
+#define TEST_DUP(MEMBER, VALUE1, VALUE2) \
+    in.current = "ll {" MEMBER" "VALUE1";"MEMBER" "VALUE2";} ..."; \
+    assert_int_equal(LY_EVALID, parse_leaflist(YCTX, NULL, (struct lysp_node**)&ll)); \
+    CHECK_LOG_CTX("Duplicate keyword \""MEMBER"\".", "Line number 1."); \
+    lysp_node_free(&fctx, (struct lysp_node*)ll); ll = NULL;
+
+    TEST_DUP("config", "true", "false");
+    TEST_DUP("description", "text1", "text2");
+    TEST_DUP("max-elements", "10", "20");
+    TEST_DUP("min-elements", "10", "20");
+    TEST_DUP("ordered-by", "user", "system");
+    TEST_DUP("reference", "1", "2");
+    TEST_DUP("status", "current", "obsolete");
+    TEST_DUP("type", "int8", "uint8");
+    TEST_DUP("units", "text1", "text2");
+    TEST_DUP("when", "true", "false");
+#undef TEST_DUP
+
+    /* full content - without min-elements which is mutual exclusive with default */
+    in.current = "ll {config false;default \"xxx\"; default \"yyy\";description test;if-feature f;"
+            "max-elements 10;must 'expr';ordered-by user;reference test;"
+            "status current;type string; units zzz;when true;m:ext;} ...";
+    assert_int_equal(LY_SUCCESS, parse_leaflist(YCTX, NULL, (struct lysp_node **)&ll));
+    CHECK_LYSP_NODE(ll, "test", 1, 0x446, 1, "ll", 0, LYS_LEAFLIST, 0, "test", 1);
+    assert_non_null(ll->dflts);
+    assert_int_equal(2, LY_ARRAY_COUNT(ll->dflts));
+    assert_string_equal("xxx", ll->dflts[0].str);
+    assert_string_equal("yyy", ll->dflts[1].str);
+    assert_string_equal("zzz", ll->units);
+    assert_int_equal(10, ll->max);
+    assert_int_equal(0, ll->min);
+    assert_string_equal("string", ll->type.name);
+    assert_non_null(ll->musts);
+    assert_int_equal(LYS_CONFIG_R | LYS_STATUS_CURR | LYS_ORDBY_USER | LYS_SET_MAX, ll->flags);
+    lysp_node_free(&fctx, (struct lysp_node *)ll); ll = NULL;
+
+    /* full content - now with min-elements */
+    in.current = "ll {min-elements 10; type string;} ...";
+    assert_int_equal(LY_SUCCESS, parse_leaflist(YCTX, NULL, (struct lysp_node **)&ll));
+    CHECK_LYSP_NODE(ll, NULL, 0, 0x200, 0, "ll", 0, LYS_LEAFLIST, 0, NULL, 0);
+    assert_string_equal("string", ll->type.name);
+    assert_int_equal(0, ll->max);
+    assert_int_equal(10, ll->min);
+    assert_int_equal(LYS_SET_MIN, ll->flags);
+    lysp_node_free(&fctx, (struct lysp_node *)ll); ll = NULL;
+
+    /* invalid */
+    in.current = " ll {description \"missing type\";} ...";
+    assert_int_equal(LY_EVALID, parse_leaflist(YCTX, NULL, (struct lysp_node **)&ll));
+    CHECK_LOG_CTX("Missing mandatory keyword \"type\" as a child of \"leaf-list\".", "Line number 1.");
+    lysp_node_free(&fctx, (struct lysp_node *)ll); ll = NULL;
+
+    PARSER_CUR_PMOD(YCTX)->version = 1; /* simulate YANG 1.0 - default statement is not allowed */
+    in.current = " ll {default xx; type string;} ...";
+    assert_int_equal(LY_EVALID, parse_leaflist(YCTX, NULL, (struct lysp_node **)&ll));
+    CHECK_LOG_CTX("Invalid keyword \"default\" as a child of \"leaf-list\" - the statement is allowed only in YANG 1.1 modules.", "Line number 1.");
+    lysp_node_free(&fctx, (struct lysp_node *)ll); ll = NULL;
+}
+
+static void
+test_list(void **state)
+{
+    struct lysp_node_list *l = NULL;
+
+    PARSER_CUR_PMOD(YCTX)->version = 2; /* simulate YANG 1.1 */
+    YCTX->main_ctx = (struct lysp_ctx *)YCTX;
+
+    /* invalid cardinality */
+#define TEST_DUP(MEMBER, VALUE1, VALUE2) \
+    in.current = "l {" MEMBER" "VALUE1";"MEMBER" "VALUE2";} ..."; \
+    assert_int_equal(LY_EVALID, parse_list(YCTX, NULL, (struct lysp_node**)&l)); \
+    CHECK_LOG_CTX("Duplicate keyword \""MEMBER"\".", "Line number 1."); \
+    lysp_node_free(&fctx, (struct lysp_node*)l); l = NULL;
+
+    TEST_DUP("config", "true", "false");
+    TEST_DUP("description", "text1", "text2");
+    TEST_DUP("key", "one", "two");
+    TEST_DUP("max-elements", "10", "20");
+    TEST_DUP("min-elements", "10", "20");
+    TEST_DUP("ordered-by", "user", "system");
+    TEST_DUP("reference", "1", "2");
+    TEST_DUP("status", "current", "obsolete");
+    TEST_DUP("when", "true", "false");
+#undef TEST_DUP
+
+    /* full content */
+    in.current = "l {action x;anydata any;anyxml anyxml; choice ch;config false;container c;description test;grouping g;if-feature f; key l; leaf l {type string;}"
+            "leaf-list ll {type string;} list li;max-elements 10; min-elements 1;must 'expr';notification not; ordered-by system; reference test;"
+            "status current;typedef t {type int8;}unique xxx;unique yyy;uses g;when true;m:ext;} ...";
+    assert_int_equal(LY_SUCCESS, parse_list(YCTX, NULL, (struct lysp_node **)&l));
+    CHECK_LYSP_NODE(l, "test", 1, LYS_CONFIG_R | LYS_STATUS_CURR | LYS_ORDBY_SYSTEM | LYS_SET_MAX | LYS_SET_MIN, 1, "l",
+            0, LYS_LIST, 0, "test", 1);
+    assert_string_equal("l", l->key);
+    assert_non_null(l->uniques);
+    assert_int_equal(2, LY_ARRAY_COUNT(l->uniques));
+    assert_string_equal("xxx", l->uniques[0].str);
+    assert_string_equal("yyy", l->uniques[1].str);
+    assert_int_equal(10, l->max);
+    assert_int_equal(1, l->min);
+    assert_non_null(l->musts);
+    ly_set_erase(&YCTX->tpdfs_nodes, NULL);
+    ly_set_erase(&YCTX->grps_nodes, NULL);
+    lysp_node_free(&fctx, (struct lysp_node *)l); l = NULL;
+
+    /* invalid content */
+    PARSER_CUR_PMOD(YCTX)->version = 1; /* simulate YANG 1.0 */
+    in.current = "l {action x;} ...";
+    assert_int_equal(LY_EVALID, parse_list(YCTX, NULL, (struct lysp_node **)&l));
+    CHECK_LOG_CTX("Invalid keyword \"action\" as a child of \"list\" - the statement is allowed only in YANG 1.1 modules.", "Line number 1.");
+    lysp_node_free(&fctx, (struct lysp_node *)l); l = NULL;
+}
+
+static void
+test_choice(void **state)
+{
+    struct lysp_node_choice *ch = NULL;
+
+    PARSER_CUR_PMOD(YCTX)->version = 2; /* simulate YANG 1.1 */
+
+    /* invalid cardinality */
+#define TEST_DUP(MEMBER, VALUE1, VALUE2) \
+    in.current = "ch {" MEMBER" "VALUE1";"MEMBER" "VALUE2";} ..."; \
+    assert_int_equal(LY_EVALID, parse_choice(YCTX, NULL, (struct lysp_node**)&ch)); \
+    CHECK_LOG_CTX("Duplicate keyword \""MEMBER"\".", "Line number 1."); \
+    lysp_node_free(&fctx, (struct lysp_node*)ch); ch = NULL;
+
+    TEST_DUP("config", "true", "false");
+    TEST_DUP("default", "a", "b");
+    TEST_DUP("description", "text1", "text2");
+    TEST_DUP("mandatory", "true", "false");
+    TEST_DUP("reference", "1", "2");
+    TEST_DUP("status", "current", "obsolete");
+    TEST_DUP("when", "true", "false");
+#undef TEST_DUP
+
+    /* full content - without default due to a collision with mandatory */
+    in.current = "ch {anydata any;anyxml anyxml; case c;choice ch;config false;container c;description test;if-feature f;leaf l {type string;}"
+            "leaf-list ll {type string;} list li;mandatory true;reference test;status current;when true;m:ext;} ...";
+    assert_int_equal(LY_SUCCESS, parse_choice(YCTX, NULL, (struct lysp_node **)&ch));
+    CHECK_LYSP_NODE(ch, "test", 1, LYS_CONFIG_R | LYS_STATUS_CURR | LYS_MAND_TRUE, 1, "ch", 0, LYS_CHOICE, 0, "test", 1);
+    lysp_node_free(&fctx, (struct lysp_node *)ch); ch = NULL;
+
+    /* full content - the default missing from the previous node */
+    in.current = "ch {default c;case c;} ...";
+    assert_int_equal(LY_SUCCESS, parse_choice(YCTX, NULL, (struct lysp_node **)&ch));
+    CHECK_LYSP_NODE(ch, NULL, 0, 0, 0, "ch", 0, LYS_CHOICE, 0, NULL, 0);
+    assert_string_equal("c", ch->dflt.str);
+    lysp_node_free(&fctx, (struct lysp_node *)ch); ch = NULL;
+}
+
+static void
+test_case(void **state)
+{
+    struct lysp_node_case *cs = NULL;
+
+    PARSER_CUR_PMOD(YCTX)->version = 2; /* simulate YANG 1.1 */
+
+    /* invalid cardinality */
+#define TEST_DUP(MEMBER, VALUE1, VALUE2) \
+    in.current = "cs {" MEMBER" "VALUE1";"MEMBER" "VALUE2";} ..."; \
+    assert_int_equal(LY_EVALID, parse_case(YCTX, NULL, (struct lysp_node**)&cs)); \
+    CHECK_LOG_CTX("Duplicate keyword \""MEMBER"\".", "Line number 1."); \
+    lysp_node_free(&fctx, (struct lysp_node*)cs); cs = NULL;
+
+    TEST_DUP("description", "text1", "text2");
+    TEST_DUP("reference", "1", "2");
+    TEST_DUP("status", "current", "obsolete");
+    TEST_DUP("when", "true", "false");
+#undef TEST_DUP
+
+    /* full content */
+    in.current = "cs {anydata any;anyxml anyxml; choice ch;container c;description test;if-feature f;leaf l {type string;}"
+            "leaf-list ll {type string;} list li;reference test;status current;uses grp;when true;m:ext;} ...";
+    assert_int_equal(LY_SUCCESS, parse_case(YCTX, NULL, (struct lysp_node **)&cs));
+    CHECK_LYSP_NODE(cs, "test", 1, LYS_STATUS_CURR, 1, "cs", 0, LYS_CASE, 0, "test", 1);
+    lysp_node_free(&fctx, (struct lysp_node *)cs); cs = NULL;
+
+    /* invalid content */
+    in.current = "cs {config true} ...";
+    assert_int_equal(LY_EVALID, parse_case(YCTX, NULL, (struct lysp_node **)&cs));
+    CHECK_LOG_CTX("Invalid keyword \"config\" as a child of \"case\".", "Line number 1.");
+    lysp_node_free(&fctx, (struct lysp_node *)cs); cs = NULL;
+}
+
+static void
+test_any(void **state, enum ly_stmt kw)
+{
+    struct lysp_node_anydata *any = NULL;
+
+    if (kw == LY_STMT_ANYDATA) {
+        PARSER_CUR_PMOD(YCTX)->version = 2; /* simulate YANG 1.1 */
+    } else {
+        PARSER_CUR_PMOD(YCTX)->version = 1; /* simulate YANG 1.0 */
+    }
+
+    /* invalid cardinality */
+#define TEST_DUP(MEMBER, VALUE1, VALUE2) \
+    in.current = "l {" MEMBER" "VALUE1";"MEMBER" "VALUE2";} ..."; \
+    assert_int_equal(LY_EVALID, parse_any(YCTX, kw, NULL, (struct lysp_node**)&any)); \
+    CHECK_LOG_CTX("Duplicate keyword \""MEMBER"\".", "Line number 1."); \
+    lysp_node_free(&fctx, (struct lysp_node*)any); any = NULL;
+
+    TEST_DUP("config", "true", "false");
+    TEST_DUP("description", "text1", "text2");
+    TEST_DUP("mandatory", "true", "false");
+    TEST_DUP("reference", "1", "2");
+    TEST_DUP("status", "current", "obsolete");
+    TEST_DUP("when", "true", "false");
+#undef TEST_DUP
+
+    /* full content */
+    in.current = "any {config true;description test;if-feature f;mandatory true;must 'expr';reference test;status current;when true;m:ext;} ...";
+    assert_int_equal(LY_SUCCESS, parse_any(YCTX, kw, NULL, (struct lysp_node **)&any));
+    // CHECK_LYSP_NODE(NODE, DSC, EXTS, FLAGS, IFFEATURES, NAME, NEXT, TYPE, PARENT, REF, WHEN)
+    uint16_t node_type = kw == LY_STMT_ANYDATA ? LYS_ANYDATA : LYS_ANYXML;
+
+    CHECK_LYSP_NODE(any, "test", 1, LYS_CONFIG_W | LYS_STATUS_CURR | LYS_MAND_TRUE, 1, "any", 0, node_type, 0, "test", 1);
+    assert_non_null(any->musts);
+    lysp_node_free(&fctx, (struct lysp_node *)any); any = NULL;
+}
+
+static void
+test_anydata(void **state)
+{
+    test_any(state, LY_STMT_ANYDATA);
+}
+
+static void
+test_anyxml(void **state)
+{
+    test_any(state, LY_STMT_ANYXML);
+}
+
+static void
+test_grouping(void **state)
+{
+    struct lysp_node_grp *grp = NULL;
+
+    PARSER_CUR_PMOD(YCTX)->version = 2; /* simulate YANG 1.1 */
+    YCTX->main_ctx = (struct lysp_ctx *)YCTX;
+
+    /* invalid cardinality */
+#define TEST_DUP(MEMBER, VALUE1, VALUE2) \
+    in.current = "l {" MEMBER" "VALUE1";"MEMBER" "VALUE2";} ..."; \
+    assert_int_equal(LY_EVALID, parse_grouping(YCTX, NULL, &grp)); \
+    CHECK_LOG_CTX("Duplicate keyword \""MEMBER"\".", "Line number 1."); \
+    lysp_node_free(&fctx, &grp->node); grp = NULL;
+
+    TEST_DUP("description", "text1", "text2");
+    TEST_DUP("reference", "1", "2");
+    TEST_DUP("status", "current", "obsolete");
+#undef TEST_DUP
+
+    /* full content */
+    in.current = "grp {action x;anydata any;anyxml anyxml; choice ch;container c;description test;grouping g;leaf l {type string;}"
+            "leaf-list ll {type string;} list li;notification not;reference test;status current;typedef t {type int8;}uses g;m:ext;} ...";
+    assert_int_equal(LY_SUCCESS, parse_grouping(YCTX, NULL, &grp));
+    assert_non_null(grp);
+    assert_int_equal(LYS_GROUPING, grp->nodetype);
+    assert_string_equal("grp", grp->name);
+    assert_string_equal("test", grp->dsc);
+    assert_non_null(grp->exts);
+    assert_string_equal("test", grp->ref);
+    assert_null(grp->parent);
+    assert_int_equal(LYS_STATUS_CURR, grp->flags);
+    ly_set_erase(&YCTX->tpdfs_nodes, NULL);
+    ly_set_erase(&YCTX->grps_nodes, NULL);
+    lysp_node_free(&fctx, &grp->node);
+    grp = NULL;
+
+    /* invalid content */
+    in.current = "grp {config true} ...";
+    assert_int_equal(LY_EVALID, parse_grouping(YCTX, NULL, &grp));
+    CHECK_LOG_CTX("Invalid keyword \"config\" as a child of \"grouping\".", "Line number 1.");
+    lysp_node_free(&fctx, &grp->node);
+    grp = NULL;
+
+    in.current = "grp {must 'expr'} ...";
+    assert_int_equal(LY_EVALID, parse_grouping(YCTX, NULL, &grp));
+    CHECK_LOG_CTX("Invalid keyword \"must\" as a child of \"grouping\".", "Line number 1.");
+    lysp_node_free(&fctx, &grp->node);
+    grp = NULL;
+}
+
+static void
+test_action(void **state)
+{
+    struct lysp_node_action *rpcs = NULL;
+    struct lysp_node_container *c = NULL;
+
+    PARSER_CUR_PMOD(YCTX)->version = 2; /* simulate YANG 1.1 */
+    YCTX->main_ctx = (struct lysp_ctx *)YCTX;
+
+    /* invalid cardinality */
+#define TEST_DUP(MEMBER, VALUE1, VALUE2) \
+    in.current = "func {" MEMBER" "VALUE1";"MEMBER" "VALUE2";} ..."; \
+    assert_int_equal(LY_EVALID, parse_action(YCTX, NULL, &rpcs)); \
+    CHECK_LOG_CTX("Duplicate keyword \""MEMBER"\".", "Line number 1."); \
+    lysp_node_free(&fctx, (struct lysp_node*)rpcs); rpcs = NULL;
+
+    TEST_DUP("description", "text1", "text2");
+    TEST_DUP("input", "{leaf l1 {type empty;}} description a", "{leaf l2 {type empty;}} description a");
+    TEST_DUP("output", "{leaf l1 {type empty;}} description a", "{leaf l2 {type empty;}} description a");
+    TEST_DUP("reference", "1", "2");
+    TEST_DUP("status", "current", "obsolete");
+#undef TEST_DUP
+
+    /* full content */
+    in.current = "top;";
+    assert_int_equal(LY_SUCCESS, parse_container(YCTX, NULL, (struct lysp_node **)&c));
+    in.current = "func {description test;grouping grp;if-feature f;reference test;status current;typedef mytype {type int8;} m:ext;"
+            "input {anydata a1; anyxml a2; choice ch; container c; grouping grp; leaf l {type int8;} leaf-list ll {type int8;}"
+            " list li; must 1; typedef mytypei {type int8;} uses grp; m:ext;}"
+            "output {anydata a1; anyxml a2; choice ch; container c; grouping grp; leaf l {type int8;} leaf-list ll {type int8;}"
+            " list li; must 1; typedef mytypeo {type int8;} uses grp; m:ext;}} ...";
+    assert_int_equal(LY_SUCCESS, parse_action(YCTX, (struct lysp_node *)c, &rpcs));
+    assert_non_null(rpcs);
+    assert_int_equal(LYS_ACTION, rpcs->nodetype);
+    assert_string_equal("func", rpcs->name);
+    assert_string_equal("test", rpcs->dsc);
+    assert_non_null(rpcs->exts);
+    assert_non_null(rpcs->iffeatures);
+    assert_string_equal("test", rpcs->ref);
+    assert_non_null(rpcs->groupings);
+    assert_non_null(rpcs->typedefs);
+    assert_int_equal(LYS_STATUS_CURR, rpcs->flags);
+    /* input */
+    assert_int_equal(rpcs->input.nodetype, LYS_INPUT);
+    assert_non_null(rpcs->input.groupings);
+    assert_non_null(rpcs->input.exts);
+    assert_non_null(rpcs->input.musts);
+    assert_non_null(rpcs->input.typedefs);
+    assert_non_null(rpcs->input.child);
+    /* output */
+    assert_int_equal(rpcs->output.nodetype, LYS_OUTPUT);
+    assert_non_null(rpcs->output.groupings);
+    assert_non_null(rpcs->output.exts);
+    assert_non_null(rpcs->output.musts);
+    assert_non_null(rpcs->output.typedefs);
+    assert_non_null(rpcs->output.child);
+
+    ly_set_erase(&YCTX->tpdfs_nodes, NULL);
+    ly_set_erase(&YCTX->grps_nodes, NULL);
+    lysp_node_free(&fctx, (struct lysp_node *)rpcs); rpcs = NULL;
+
+    /* invalid content */
+    in.current = "func {config true} ...";
+    assert_int_equal(LY_EVALID, parse_action(YCTX, NULL, &rpcs));
+    CHECK_LOG_CTX("Invalid keyword \"config\" as a child of \"rpc\".", "Line number 1.");
+    lysp_node_free(&fctx, (struct lysp_node *)rpcs); rpcs = NULL;
+
+    lysp_node_free(&fctx, (struct lysp_node *)c);
+}
+
+static void
+test_notification(void **state)
+{
+    struct lysp_node_notif *notifs = NULL;
+    struct lysp_node_container *c = NULL;
+
+    PARSER_CUR_PMOD(YCTX)->version = 2; /* simulate YANG 1.1 */
+    YCTX->main_ctx = (struct lysp_ctx *)YCTX;
+
+    /* invalid cardinality */
+#define TEST_DUP(MEMBER, VALUE1, VALUE2) \
+    in.current = "func {" MEMBER" "VALUE1";"MEMBER" "VALUE2";} ..."; \
+    assert_int_equal(LY_EVALID, parse_notif(YCTX, NULL, &notifs)); \
+    CHECK_LOG_CTX("Duplicate keyword \""MEMBER"\".", "Line number 1."); \
+    lysp_node_free(&fctx, (struct lysp_node*)notifs); notifs = NULL;
+
+    TEST_DUP("description", "text1", "text2");
+    TEST_DUP("reference", "1", "2");
+    TEST_DUP("status", "current", "obsolete");
+#undef TEST_DUP
+
+    /* full content */
+    in.current = "top;";
+    assert_int_equal(LY_SUCCESS, parse_container(YCTX, NULL, (struct lysp_node **)&c));
+    in.current = "ntf {anydata a1; anyxml a2; choice ch; container c; description test; grouping grp; if-feature f; leaf l {type int8;}"
+            "leaf-list ll {type int8;} list li; must 1; reference test; status current; typedef mytype {type int8;} uses grp; m:ext;}";
+    assert_int_equal(LY_SUCCESS, parse_notif(YCTX, (struct lysp_node *)c, &notifs));
+    assert_non_null(notifs);
+    assert_int_equal(LYS_NOTIF, notifs->nodetype);
+    assert_string_equal("ntf", notifs->name);
+    assert_string_equal("test", notifs->dsc);
+    assert_non_null(notifs->exts);
+    assert_non_null(notifs->iffeatures);
+    assert_string_equal("test", notifs->ref);
+    assert_non_null(notifs->groupings);
+    assert_non_null(notifs->typedefs);
+    assert_non_null(notifs->musts);
+    assert_non_null(notifs->child);
+    assert_int_equal(LYS_STATUS_CURR, notifs->flags);
+
+    ly_set_erase(&YCTX->tpdfs_nodes, NULL);
+    ly_set_erase(&YCTX->grps_nodes, NULL);
+    lysp_node_free(&fctx, (struct lysp_node *)notifs); notifs = NULL;
+
+    /* invalid content */
+    in.current = "ntf {config true} ...";
+    assert_int_equal(LY_EVALID, parse_notif(YCTX, NULL, &notifs));
+    CHECK_LOG_CTX("Invalid keyword \"config\" as a child of \"notification\".", "Line number 1.");
+    lysp_node_free(&fctx, (struct lysp_node *)notifs); notifs = NULL;
+
+    lysp_node_free(&fctx, (struct lysp_node *)c);
+}
+
+static void
+test_uses(void **state)
+{
+    struct lysp_node_uses *u = NULL;
+
+    PARSER_CUR_PMOD(YCTX)->version = 2; /* simulate YANG 1.1 */
+
+    /* invalid cardinality */
+#define TEST_DUP(MEMBER, VALUE1, VALUE2) \
+    in.current = "l {" MEMBER" "VALUE1";"MEMBER" "VALUE2";} ..."; \
+    assert_int_equal(LY_EVALID, parse_uses(YCTX, NULL, (struct lysp_node**)&u)); \
+    CHECK_LOG_CTX("Duplicate keyword \""MEMBER"\".", "Line number 1."); \
+    lysp_node_free(&fctx, (struct lysp_node*)u); u = NULL;
+
+    TEST_DUP("description", "text1", "text2");
+    TEST_DUP("reference", "1", "2");
+    TEST_DUP("status", "current", "obsolete");
+    TEST_DUP("when", "true", "false");
+#undef TEST_DUP
+
+    /* full content */
+    in.current = "grpref {augment some/node;description test;if-feature f;reference test;refine some/other/node;status current;when true;m:ext;} ...";
+    assert_int_equal(LY_SUCCESS, parse_uses(YCTX, NULL, (struct lysp_node **)&u));
+    CHECK_LYSP_NODE(u, "test", 1, LYS_STATUS_CURR, 1, "grpref", 0, LYS_USES, 0, "test", 1);
+    assert_non_null(u->augments);
+    assert_non_null(u->refines);
+    lysp_node_free(&fctx, (struct lysp_node *)u); u = NULL;
+}
+
+static void
+test_augment(void **state)
+{
+    struct lysp_node_augment *a = NULL;
+
+    PARSER_CUR_PMOD(YCTX)->version = 2; /* simulate YANG 1.1 */
+
+    /* invalid cardinality */
+#define TEST_DUP(MEMBER, VALUE1, VALUE2) \
+    in.current = "l {" MEMBER" "VALUE1";"MEMBER" "VALUE2";} ..."; \
+    assert_int_equal(LY_EVALID, parse_augment(YCTX, NULL, &a)); \
+    CHECK_LOG_CTX("Duplicate keyword \""MEMBER"\".", "Line number 1."); \
+    lysp_node_free(&fctx, (struct lysp_node *)a); a = NULL;
+
+    TEST_DUP("description", "text1", "text2");
+    TEST_DUP("reference", "1", "2");
+    TEST_DUP("status", "current", "obsolete");
+    TEST_DUP("when", "true", "false");
+#undef TEST_DUP
+
+    /* full content */
+    in.current = "/target/nodeid {action x; anydata any;anyxml anyxml; case cs; choice ch;container c;description test;if-feature f;leaf l {type string;}"
+            "leaf-list ll {type string;} list li;notification not;reference test;status current;uses g;when true;m:ext;} ...";
+    assert_int_equal(LY_SUCCESS, parse_augment(YCTX, NULL, &a));
+    assert_non_null(a);
+    assert_int_equal(LYS_AUGMENT, a->nodetype);
+    assert_string_equal("/target/nodeid", a->nodeid);
+    assert_string_equal("test", a->dsc);
+    assert_non_null(a->exts);
+    assert_non_null(a->iffeatures);
+    assert_string_equal("test", a->ref);
+    assert_non_null(a->when);
+    assert_null(a->parent);
+    assert_int_equal(LYS_STATUS_CURR, a->flags);
+    lysp_node_free(&fctx, (struct lysp_node *)a); a = NULL;
+}
+
+static void
+test_when(void **state)
+{
+    struct lysp_when *w = NULL;
+
+    PARSER_CUR_PMOD(YCTX)->version = 2; /* simulate YANG 1.1 */
+
+    in.current = "l { description text1;description text2;} ...";
+    assert_int_equal(LY_EVALID, parse_when(YCTX, &w));
+    assert_null(w);
+    CHECK_LOG_CTX("Duplicate keyword \"description\".", "Line number 1.");
+
+    in.current = "l { reference 1;reference 2;} ...";
+    assert_int_equal(LY_EVALID, parse_when(YCTX, &w));
+    assert_null(w);
+    CHECK_LOG_CTX("Duplicate keyword \"reference\".", "Line number 1.");
+}
+
+static void
+test_value(void **state)
+{
+    struct lysp_type_enum enm;
+
+    in.current = "-0;";
+    memset(&enm, 0, sizeof enm);
+    assert_int_equal(parse_type_enum_value_pos(YCTX, LY_STMT_VALUE, &enm), LY_SUCCESS);
+
+    in.current = "-0;";
+    memset(&enm, 0, sizeof enm);
+    assert_int_equal(parse_type_enum_value_pos(YCTX, LY_STMT_POSITION, &enm), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"-0\" of \"position\".", "Line number 1.");
+}
+
+int
+main(void)
+{
+    const struct CMUnitTest tests[] = {
+        UTEST(test_helpers, setup, teardown),
+        UTEST(test_comments, setup, teardown),
+        UTEST(test_arg, setup, teardown),
+        UTEST(test_stmts, setup, teardown),
+        UTEST(test_minmax, setup, teardown),
+        UTEST(test_valid_module, setup, teardown),
+        UTEST(test_module, setup, teardown),
+        UTEST(test_deviation, setup, teardown),
+        UTEST(test_deviate, setup, teardown),
+        UTEST(test_container, setup, teardown),
+        UTEST(test_leaf, setup, teardown),
+        UTEST(test_leaflist, setup, teardown),
+        UTEST(test_list, setup, teardown),
+        UTEST(test_choice, setup, teardown),
+        UTEST(test_case, setup, teardown),
+        UTEST(test_anydata, setup, teardown),
+        UTEST(test_anyxml, setup, teardown),
+        UTEST(test_action, setup, teardown),
+        UTEST(test_notification, setup, teardown),
+        UTEST(test_grouping, setup, teardown),
+        UTEST(test_uses, setup, teardown),
+        UTEST(test_augment, setup, teardown),
+        UTEST(test_when, setup, teardown),
+        UTEST(test_value, setup, teardown),
+    };
+
+    return cmocka_run_group_tests(tests, NULL, NULL);
+}
diff --git a/tests/utests/schema/test_yin.c b/tests/utests/schema/test_yin.c
new file mode 100644
index 0000000..0ce3abc
--- /dev/null
+++ b/tests/utests/schema/test_yin.c
@@ -0,0 +1,3584 @@
+/**
+ * @file test_yin.c
+ * @author David Sedlák <xsedla1d@stud.fit.vutbr.cz>
+ * @author Michal Vasko <mvasko@cesnet.cz>
+ * @brief unit tests for YIN parser and printer
+ *
+ * Copyright (c) 2015 - 2022 CESNET, z.s.p.o.
+ *
+ * This source code is licensed under BSD 3-Clause License (the "License").
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://opensource.org/licenses/BSD-3-Clause
+ */
+#define _UTEST_MAIN_
+#include "utests.h"
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "common.h"
+#include "in.h"
+#include "parser_internal.h"
+#include "schema_compile.h"
+#include "tree.h"
+#include "tree_edit.h"
+#include "tree_schema.h"
+#include "tree_schema_internal.h"
+#include "xml.h"
+#include "xpath.h"
+
+/* copied from parser_yin.c */
+enum yin_argument {
+    YIN_ARG_UNKNOWN = 0,   /**< parsed argument can not be matched with any supported yin argument keyword */
+    YIN_ARG_NAME,          /**< argument name */
+    YIN_ARG_TARGET_NODE,   /**< argument target-node */
+    YIN_ARG_MODULE,        /**< argument module */
+    YIN_ARG_VALUE,         /**< argument value */
+    YIN_ARG_TEXT,          /**< argument text */
+    YIN_ARG_CONDITION,     /**< argument condition */
+    YIN_ARG_URI,           /**< argument uri */
+    YIN_ARG_DATE,          /**< argument data */
+    YIN_ARG_TAG,           /**< argument tag */
+    YIN_ARG_NONE           /**< empty (special value) */
+};
+
+struct yin_subelement {
+    enum ly_stmt type;      /**< type of keyword */
+    void *dest;             /**< meta infromation passed to responsible function (mostly information about where parsed subelement should be stored) */
+    uint16_t flags;         /**< describes constraints of subelement can be set to YIN_SUBELEM_MANDATORY, YIN_SUBELEM_UNIQUE, YIN_SUBELEM_FIRST, YIN_SUBELEM_VER2, and YIN_SUBELEM_DEFAULT_TEXT */
+};
+
+struct import_meta {
+    const char *prefix;             /**< module prefix. */
+    struct lysp_import **imports;   /**< imports to add to. */
+};
+
+struct yin_argument_meta {
+    uint16_t *flags;        /**< Argument flags */
+    const char **argument;  /**< Argument value */
+};
+
+struct tree_node_meta {
+    struct lysp_node *parent;       /**< parent node */
+    struct lysp_node **nodes;    /**< linked list of siblings */
+};
+
+struct include_meta {
+    const char *name;               /**< Module/submodule name. */
+    struct lysp_include **includes; /**< [Sized array](@ref sizedarrays) of parsed includes to add to. */
+};
+
+struct inout_meta {
+    struct lysp_node *parent;          /**< Parent node. */
+    struct lysp_node_action_inout *inout_p; /**< inout_p Input/output pointer to write to. */
+};
+
+struct minmax_dev_meta {
+    uint32_t *lim;                      /**< min/max value to write to. */
+    uint16_t *flags;                    /**< min/max flags to write to. */
+    struct lysp_ext_instance **exts;    /**< extension instances to add to. */
+};
+
+#define YIN_SUBELEM_MANDATORY   0x01
+#define YIN_SUBELEM_UNIQUE      0x02
+#define YIN_SUBELEM_FIRST       0x04
+#define YIN_SUBELEM_VER2        0x08
+
+#define YIN_SUBELEM_PARSED      0x80
+
+/* prototypes of static functions */
+enum yin_argument yin_match_argument_name(const char *name, size_t len);
+
+LY_ERR yin_parse_content(struct lysp_yin_ctx *ctx, struct yin_subelement *subelem_info, size_t subelem_info_size,
+        const void *parent, enum ly_stmt parent_stmt, const char **text_content, struct lysp_ext_instance **exts);
+LY_ERR yin_validate_value(struct lysp_yin_ctx *ctx, enum yang_arg val_type);
+enum ly_stmt yin_match_keyword(struct lysp_yin_ctx *ctx, const char *name, size_t name_len,
+        const char *prefix, size_t prefix_len, enum ly_stmt parrent);
+
+LY_ERR yin_parse_extension_instance(struct lysp_yin_ctx *ctx, const void *parent, enum ly_stmt parent_stmt,
+        LY_ARRAY_COUNT_TYPE parent_stmt_index, struct lysp_ext_instance **exts);
+LY_ERR yin_parse_element_generic(struct lysp_yin_ctx *ctx, enum ly_stmt parent, struct lysp_stmt **element);
+LY_ERR yin_parse_mod(struct lysp_yin_ctx *ctx, struct lysp_module *mod);
+LY_ERR yin_parse_submod(struct lysp_yin_ctx *ctx, struct lysp_submodule *submod);
+
+/* wrapping element used for mocking has nothing to do with real module structure */
+#define ELEMENT_WRAPPER_START "<status xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\">"
+#define ELEMENT_WRAPPER_END "</status>"
+
+#define TEST_1_CHECK_LYSP_EXT_INSTANCE(NODE, INSUBSTMT)\
+    CHECK_LYSP_EXT_INSTANCE((NODE), NULL, 1, INSUBSTMT, 0, "myext:c-define", LY_VALUE_XML)
+
+struct lysp_yin_ctx *YCTX;
+struct lysf_ctx fctx;
+
+static int
+setup_ctx(void **state)
+{
+    struct lysp_module *pmod;
+
+    /* allocate parser context */
+    YCTX = calloc(1, sizeof(*YCTX));
+    YCTX->main_ctx = (struct lysp_ctx *)YCTX;
+    YCTX->format = LYS_IN_YIN;
+    ly_set_new(&YCTX->parsed_mods);
+
+    /* allocate new parsed module */
+    pmod = calloc(1, sizeof *pmod);
+    ly_set_add(YCTX->parsed_mods, pmod, 1, NULL);
+
+    /* allocate new module */
+    pmod->mod = calloc(1, sizeof *pmod->mod);
+    pmod->mod->ctx = UTEST_LYCTX;
+    pmod->mod->parsed = pmod;
+
+    return 0;
+}
+
+static int
+setup(void **state)
+{
+    UTEST_SETUP;
+
+    setup_ctx(state);
+
+    fctx.ctx = UTEST_LYCTX;
+    fctx.mod = PARSER_CUR_PMOD(YCTX)->mod;
+
+    return 0;
+}
+
+static int
+teardown_ctx(void **UNUSED(state))
+{
+    lys_module_free(&fctx, PARSER_CUR_PMOD(YCTX)->mod, 0);
+    lysp_yin_ctx_free(YCTX);
+    YCTX = NULL;
+
+    return 0;
+}
+
+static int
+teardown(void **state)
+{
+    teardown_ctx(state);
+
+    lysf_ctx_erase(&fctx);
+
+    UTEST_TEARDOWN;
+
+    return 0;
+}
+
+#define RESET_STATE \
+    ly_in_free(UTEST_IN, 0); \
+    UTEST_IN = NULL; \
+    teardown_ctx(state); \
+    setup_ctx(state)
+
+static void
+test_yin_match_keyword(void **state)
+{
+    const char *prefix;
+    size_t prefix_len;
+
+    /* create mock yin namespace in xml context */
+    ly_in_new_memory("<module xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\" />", &UTEST_IN);
+    lyxml_ctx_new(UTEST_LYCTX, UTEST_IN, &YCTX->xmlctx);
+    prefix = YCTX->xmlctx->prefix;
+    prefix_len = YCTX->xmlctx->prefix_len;
+
+    assert_int_equal(yin_match_keyword(YCTX, "anydatax", strlen("anydatax"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_NONE);
+    assert_int_equal(yin_match_keyword(YCTX, "asdasd", strlen("asdasd"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_NONE);
+    assert_int_equal(yin_match_keyword(YCTX, "", 0, prefix, prefix_len, LY_STMT_NONE), LY_STMT_NONE);
+    assert_int_equal(yin_match_keyword(YCTX, "anydata", strlen("anydata"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_ANYDATA);
+    assert_int_equal(yin_match_keyword(YCTX, "anyxml", strlen("anyxml"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_ANYXML);
+    assert_int_equal(yin_match_keyword(YCTX, "argument", strlen("argument"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_ARGUMENT);
+    assert_int_equal(yin_match_keyword(YCTX, "augment", strlen("augment"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_AUGMENT);
+    assert_int_equal(yin_match_keyword(YCTX, "base", strlen("base"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_BASE);
+    assert_int_equal(yin_match_keyword(YCTX, "belongs-to", strlen("belongs-to"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_BELONGS_TO);
+    assert_int_equal(yin_match_keyword(YCTX, "bit", strlen("bit"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_BIT);
+    assert_int_equal(yin_match_keyword(YCTX, "case", strlen("case"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_CASE);
+    assert_int_equal(yin_match_keyword(YCTX, "choice", strlen("choice"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_CHOICE);
+    assert_int_equal(yin_match_keyword(YCTX, "config", strlen("config"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_CONFIG);
+    assert_int_equal(yin_match_keyword(YCTX, "contact", strlen("contact"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_CONTACT);
+    assert_int_equal(yin_match_keyword(YCTX, "container", strlen("container"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_CONTAINER);
+    assert_int_equal(yin_match_keyword(YCTX, "default", strlen("default"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_DEFAULT);
+    assert_int_equal(yin_match_keyword(YCTX, "description", strlen("description"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_DESCRIPTION);
+    assert_int_equal(yin_match_keyword(YCTX, "deviate", strlen("deviate"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_DEVIATE);
+    assert_int_equal(yin_match_keyword(YCTX, "deviation", strlen("deviation"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_DEVIATION);
+    assert_int_equal(yin_match_keyword(YCTX, "enum", strlen("enum"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_ENUM);
+    assert_int_equal(yin_match_keyword(YCTX, "error-app-tag", strlen("error-app-tag"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_ERROR_APP_TAG);
+    assert_int_equal(yin_match_keyword(YCTX, "error-message", strlen("error-message"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_ERROR_MESSAGE);
+    assert_int_equal(yin_match_keyword(YCTX, "extension", strlen("extension"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_EXTENSION);
+    assert_int_equal(yin_match_keyword(YCTX, "feature", strlen("feature"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_FEATURE);
+    assert_int_equal(yin_match_keyword(YCTX, "fraction-digits", strlen("fraction-digits"), prefix,  prefix_len, LY_STMT_NONE), LY_STMT_FRACTION_DIGITS);
+    assert_int_equal(yin_match_keyword(YCTX, "grouping", strlen("grouping"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_GROUPING);
+    assert_int_equal(yin_match_keyword(YCTX, "identity", strlen("identity"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_IDENTITY);
+    assert_int_equal(yin_match_keyword(YCTX, "if-feature", strlen("if-feature"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_IF_FEATURE);
+    assert_int_equal(yin_match_keyword(YCTX, "import", strlen("import"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_IMPORT);
+    assert_int_equal(yin_match_keyword(YCTX, "include", strlen("include"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_INCLUDE);
+    assert_int_equal(yin_match_keyword(YCTX, "input", strlen("input"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_INPUT);
+    assert_int_equal(yin_match_keyword(YCTX, "key", strlen("key"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_KEY);
+    assert_int_equal(yin_match_keyword(YCTX, "leaf", strlen("leaf"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_LEAF);
+    assert_int_equal(yin_match_keyword(YCTX, "leaf-list", strlen("leaf-list"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_LEAF_LIST);
+    assert_int_equal(yin_match_keyword(YCTX, "length", strlen("length"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_LENGTH);
+    assert_int_equal(yin_match_keyword(YCTX, "list", strlen("list"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_LIST);
+    assert_int_equal(yin_match_keyword(YCTX, "mandatory", strlen("mandatory"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_MANDATORY);
+    assert_int_equal(yin_match_keyword(YCTX, "max-elements", strlen("max-elements"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_MAX_ELEMENTS);
+    assert_int_equal(yin_match_keyword(YCTX, "min-elements", strlen("min-elements"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_MIN_ELEMENTS);
+    assert_int_equal(yin_match_keyword(YCTX, "modifier", strlen("modifier"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_MODIFIER);
+    assert_int_equal(yin_match_keyword(YCTX, "module", strlen("module"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_MODULE);
+    assert_int_equal(yin_match_keyword(YCTX, "must", strlen("must"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_MUST);
+    assert_int_equal(yin_match_keyword(YCTX, "namespace", strlen("namespace"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_NAMESPACE);
+    assert_int_equal(yin_match_keyword(YCTX, "notification", strlen("notification"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_NOTIFICATION);
+    assert_int_equal(yin_match_keyword(YCTX, "ordered-by", strlen("ordered-by"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_ORDERED_BY);
+    assert_int_equal(yin_match_keyword(YCTX, "organization", strlen("organization"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_ORGANIZATION);
+    assert_int_equal(yin_match_keyword(YCTX, "output", strlen("output"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_OUTPUT);
+    assert_int_equal(yin_match_keyword(YCTX, "path", strlen("path"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_PATH);
+    assert_int_equal(yin_match_keyword(YCTX, "pattern", strlen("pattern"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_PATTERN);
+    assert_int_equal(yin_match_keyword(YCTX, "position", strlen("position"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_POSITION);
+    assert_int_equal(yin_match_keyword(YCTX, "prefix", strlen("prefix"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_PREFIX);
+    assert_int_equal(yin_match_keyword(YCTX, "presence", strlen("presence"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_PRESENCE);
+    assert_int_equal(yin_match_keyword(YCTX, "range", strlen("range"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_RANGE);
+    assert_int_equal(yin_match_keyword(YCTX, "reference", strlen("reference"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_REFERENCE);
+    assert_int_equal(yin_match_keyword(YCTX, "refine", strlen("refine"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_REFINE);
+    assert_int_equal(yin_match_keyword(YCTX, "require-instance", strlen("require-instance"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_REQUIRE_INSTANCE);
+    assert_int_equal(yin_match_keyword(YCTX, "revision", strlen("revision"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_REVISION);
+    assert_int_equal(yin_match_keyword(YCTX, "revision-date", strlen("revision-date"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_REVISION_DATE);
+    assert_int_equal(yin_match_keyword(YCTX, "rpc", strlen("rpc"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_RPC);
+    assert_int_equal(yin_match_keyword(YCTX, "status", strlen("status"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_STATUS);
+    assert_int_equal(yin_match_keyword(YCTX, "submodule", strlen("submodule"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_SUBMODULE);
+    assert_int_equal(yin_match_keyword(YCTX, "type", strlen("type"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_TYPE);
+    assert_int_equal(yin_match_keyword(YCTX, "typedef", strlen("typedef"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_TYPEDEF);
+    assert_int_equal(yin_match_keyword(YCTX, "unique", strlen("unique"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_UNIQUE);
+    assert_int_equal(yin_match_keyword(YCTX, "units", strlen("units"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_UNITS);
+    assert_int_equal(yin_match_keyword(YCTX, "uses", strlen("uses"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_USES);
+    assert_int_equal(yin_match_keyword(YCTX, "value", strlen("value"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_VALUE);
+    assert_int_equal(yin_match_keyword(YCTX, "when", strlen("when"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_WHEN);
+    assert_int_equal(yin_match_keyword(YCTX, "yang-version", strlen("yang-version"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_YANG_VERSION);
+    assert_int_equal(yin_match_keyword(YCTX, "yin-element", strlen("yin-element"), prefix, prefix_len, LY_STMT_NONE), LY_STMT_YIN_ELEMENT);
+}
+
+static void
+test_yin_match_argument_name(void **UNUSED(state))
+{
+    assert_int_equal(yin_match_argument_name("", 5), YIN_ARG_UNKNOWN);
+    assert_int_equal(yin_match_argument_name("qwertyasd", 5), YIN_ARG_UNKNOWN);
+    assert_int_equal(yin_match_argument_name("conditionasd", 8), YIN_ARG_UNKNOWN);
+    assert_int_equal(yin_match_argument_name("condition", 9), YIN_ARG_CONDITION);
+    assert_int_equal(yin_match_argument_name("date", 4), YIN_ARG_DATE);
+    assert_int_equal(yin_match_argument_name("module", 6), YIN_ARG_MODULE);
+    assert_int_equal(yin_match_argument_name("name", 4), YIN_ARG_NAME);
+    assert_int_equal(yin_match_argument_name("tag", 3), YIN_ARG_TAG);
+    assert_int_equal(yin_match_argument_name("target-node", 11), YIN_ARG_TARGET_NODE);
+    assert_int_equal(yin_match_argument_name("text", 4), YIN_ARG_TEXT);
+    assert_int_equal(yin_match_argument_name("uri", 3), YIN_ARG_URI);
+    assert_int_equal(yin_match_argument_name("value", 5), YIN_ARG_VALUE);
+}
+
+static void
+test_yin_parse_content(void **state)
+{
+    LY_ERR ret = LY_SUCCESS;
+    const char *data =
+            "<prefix value=\"a_mod\" xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\">\n"
+            "    <myext:custom xmlns:myext=\"urn:example:extensions\">totally amazing extension</myext:custom>\n"
+            "    <extension name=\"ext\">\n"
+            "        <argument name=\"argname\"></argument>\n"
+            "        <description><text>desc</text></description>\n"
+            "        <reference><text>ref</text></reference>\n"
+            "        <status value=\"deprecated\"></status>\n"
+            "    </extension>\n"
+            "    <text xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\">wsefsdf</text>\n"
+            "    <if-feature name=\"foo\"></if-feature>\n"
+            "    <when condition=\"condition...\">\n"
+            "        <reference><text>when_ref</text></reference>\n"
+            "        <description><text>when_desc</text></description>\n"
+            "    </when>\n"
+            "    <config value=\"true\"/>\n"
+            "    <error-message>\n"
+            "        <value>error-msg</value>\n"
+            "    </error-message>\n"
+            "    <error-app-tag value=\"err-app-tag\"/>\n"
+            "    <units name=\"radians\"></units>\n"
+            "    <default value=\"default-value\"/>\n"
+            "    <position value=\"25\"></position>\n"
+            "    <value value=\"-5\"/>\n"
+            "    <require-instance value=\"true\"></require-instance>\n"
+            "    <range value=\"5..10\" />\n"
+            "    <length value=\"baf\"/>\n"
+            "    <pattern value='pattern'>\n"
+            "        <modifier value='invert-match'/>\n"
+            "    </pattern>\n"
+            "    <enum name=\"yay\">\n"
+            "    </enum>\n"
+            "</prefix>";
+    struct lysp_ext_instance *exts = NULL;
+    const char *value;
+
+    /* test unique subelem */
+    const char *prefix_value;
+    struct yin_subelement subelems2[2] = {{LY_STMT_PREFIX, &prefix_value, YIN_SUBELEM_UNIQUE},
+        {LY_STMT_ARG_TEXT, &value, YIN_SUBELEM_UNIQUE}};
+
+    data = ELEMENT_WRAPPER_START
+            "<prefix value=\"inv_mod\" />"
+            "<text xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\">wsefsdf</text>"
+            "<text xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\">wsefsdf</text>"
+            ELEMENT_WRAPPER_END;
+    ly_in_new_memory(data, &UTEST_IN);
+    lyxml_ctx_new(UTEST_LYCTX, UTEST_IN, &YCTX->xmlctx);
+    lyxml_ctx_next(YCTX->xmlctx);
+
+    ret = yin_parse_content(YCTX, subelems2, 2, NULL, LY_STMT_STATUS, NULL, &exts);
+    assert_int_equal(ret, LY_EVALID);
+    CHECK_LOG_CTX("Redefinition of \"text\" sub-element in \"status\" element.", "Line number 1.");
+    lydict_remove(UTEST_LYCTX, prefix_value);
+    lydict_remove(UTEST_LYCTX, value);
+    RESET_STATE;
+
+    /* test first subelem */
+    data = ELEMENT_WRAPPER_START
+            "<prefix value=\"inv_mod\" />"
+            "<text xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\">wsefsdf</text>"
+            "<text xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\">wsefsdf</text>"
+            ELEMENT_WRAPPER_END;
+    struct yin_subelement subelems3[2] = {{LY_STMT_PREFIX, &prefix_value, YIN_SUBELEM_UNIQUE},
+        {LY_STMT_ARG_TEXT, &value, YIN_SUBELEM_FIRST}};
+
+    ly_in_new_memory(data, &UTEST_IN);
+    lyxml_ctx_new(UTEST_LYCTX, UTEST_IN, &YCTX->xmlctx);
+    lyxml_ctx_next(YCTX->xmlctx);
+
+    ret = yin_parse_content(YCTX, subelems3, 2, NULL, LY_STMT_STATUS, NULL, &exts);
+    assert_int_equal(ret, LY_EVALID);
+    CHECK_LOG_CTX("Sub-element \"text\" of \"status\" element must be defined as it's first sub-element.", "Line number 1.");
+    lydict_remove(UTEST_LYCTX, prefix_value);
+    RESET_STATE;
+
+    /* test mandatory subelem */
+    data = ELEMENT_WRAPPER_START ELEMENT_WRAPPER_END;
+    struct yin_subelement subelems4[1] = {{LY_STMT_PREFIX, &prefix_value, YIN_SUBELEM_MANDATORY | YIN_SUBELEM_UNIQUE}};
+
+    ly_in_new_memory(data, &UTEST_IN);
+    lyxml_ctx_new(UTEST_LYCTX, UTEST_IN, &YCTX->xmlctx);
+    lyxml_ctx_next(YCTX->xmlctx);
+
+    ret = yin_parse_content(YCTX, subelems4, 1, NULL, LY_STMT_STATUS, NULL, &exts);
+    assert_int_equal(ret, LY_EVALID);
+    CHECK_LOG_CTX("Missing mandatory sub-element \"prefix\" of \"status\" element.", "Line number 1.");
+}
+
+static void
+test_validate_value(void **state)
+{
+    const char *data = ELEMENT_WRAPPER_START ELEMENT_WRAPPER_END;
+
+    /* create some XML context */
+    ly_in_new_memory(data, &UTEST_IN);
+    lyxml_ctx_new(UTEST_LYCTX, UTEST_IN, &YCTX->xmlctx);
+    YCTX->xmlctx->status = LYXML_ELEM_CONTENT;
+    YCTX->xmlctx->dynamic = 0;
+
+    YCTX->xmlctx->value = "#invalid";
+    YCTX->xmlctx->value_len = 8;
+    assert_int_equal(yin_validate_value(YCTX, Y_IDENTIF_ARG), LY_EVALID);
+    CHECK_LOG_CTX("Invalid identifier first character '#' (0x0023).", "Line number 1.");
+
+    YCTX->xmlctx->value = "";
+    YCTX->xmlctx->value_len = 0;
+    assert_int_equal(yin_validate_value(YCTX, Y_STR_ARG), LY_SUCCESS);
+
+    YCTX->xmlctx->value = "pre:b";
+    YCTX->xmlctx->value_len = 5;
+    assert_int_equal(yin_validate_value(YCTX, Y_IDENTIF_ARG), LY_EVALID);
+    assert_int_equal(yin_validate_value(YCTX, Y_PREF_IDENTIF_ARG), LY_SUCCESS);
+
+    YCTX->xmlctx->value = "pre:pre:b";
+    YCTX->xmlctx->value_len = 9;
+    assert_int_equal(yin_validate_value(YCTX, Y_PREF_IDENTIF_ARG), LY_EVALID);
+}
+
+static void
+test_valid_module(void **state)
+{
+    struct lys_module *mod;
+    char *printed;
+    const char *links_yin =
+            "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+            "<module name=\"links\"\n"
+            "        xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"\n"
+            "        xmlns:mod2=\"urn:module2\">\n"
+            "  <yang-version value=\"1.1\"/>\n"
+            "  <namespace uri=\"urn:module2\"/>\n"
+            "  <prefix value=\"mod2\"/>\n"
+            "  <identity name=\"just-another-identity\"/>\n"
+            "  <grouping name=\"rgroup\">\n"
+            "    <leaf name=\"rg1\">\n"
+            "      <type name=\"string\"/>\n"
+            "    </leaf>\n"
+            "    <leaf name=\"rg2\">\n"
+            "      <type name=\"string\"/>\n"
+            "    </leaf>\n"
+            "  </grouping>\n"
+            "  <leaf name=\"one-leaf\">\n"
+            "    <type name=\"string\"/>\n"
+            "  </leaf>\n"
+            "  <list name=\"list-for-augment\">\n"
+            "    <key value=\"keyleaf\"/>\n"
+            "    <leaf name=\"keyleaf\">\n"
+            "      <type name=\"string\"/>\n"
+            "    </leaf>\n"
+            "    <leaf name=\"just-leaf\">\n"
+            "      <type name=\"int32\"/>\n"
+            "    </leaf>\n"
+            "  </list>\n"
+            "  <leaf name=\"rleaf\">\n"
+            "    <type name=\"string\"/>\n"
+            "  </leaf>\n"
+            "  <leaf-list name=\"llist\">\n"
+            "    <type name=\"string\"/>\n"
+            "    <min-elements value=\"0\"/>\n"
+            "    <max-elements value=\"100\"/>\n"
+            "    <ordered-by value=\"user\"/>\n"
+            "  </leaf-list>\n"
+            "</module>\n";
+    const char *statements_yin =
+            "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+            "<module name=\"statements\"\n"
+            "        xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"\n"
+            "        xmlns:mod=\"urn:module\"\n"
+            "        xmlns:mod2=\"urn:module2\">\n"
+            "  <yang-version value=\"1.1\"/>\n"
+            "  <namespace uri=\"urn:module\"/>\n"
+            "  <prefix value=\"mod\"/>\n"
+            "  <import module=\"links\">\n"
+            "    <prefix value=\"mod2\"/>\n"
+            "  </import>\n"
+            "  <extension name=\"ext\"/>\n"
+            "  <identity name=\"random-identity\">\n"
+            "    <base name=\"mod2:just-another-identity\"/>\n"
+            "    <base name=\"another-identity\"/>\n"
+            "  </identity>\n"
+            "  <identity name=\"another-identity\">\n"
+            "    <base name=\"mod2:just-another-identity\"/>\n"
+            "  </identity>\n"
+            "  <typedef name=\"percent\">\n"
+            "    <type name=\"uint8\">\n"
+            "      <range value=\"0 .. 100\"/>\n"
+            "    </type>\n"
+            "    <units name=\"percent\"/>\n"
+            "  </typedef>\n"
+            "  <list name=\"list1\">\n"
+            "    <key value=\"a\"/>\n"
+            "    <leaf name=\"a\">\n"
+            "      <type name=\"string\"/>\n"
+            "    </leaf>\n"
+            "    <leaf name=\"x\">\n"
+            "      <type name=\"string\"/>\n"
+            "    </leaf>\n"
+            "    <leaf name=\"y\">\n"
+            "      <type name=\"string\"/>\n"
+            "    </leaf>\n"
+            "  </list>\n"
+            "  <container name=\"ice-cream-shop\">\n"
+            "    <container name=\"employees\">\n"
+            "      <when condition=\"/list1/x\"/>\n"
+            "      <list name=\"employee\">\n"
+            "        <key value=\"id\"/>\n"
+            "        <unique tag=\"name\"/>\n"
+            "        <config value=\"true\"/>\n"
+            "        <min-elements value=\"0\">\n"
+            "          <mod:ext/>\n"
+            "        </min-elements>\n"
+            "        <max-elements value=\"unbounded\"/>\n"
+            "        <leaf name=\"id\">\n"
+            "          <type name=\"uint64\"/>\n"
+            "          <mandatory value=\"true\"/>\n"
+            "        </leaf>\n"
+            "        <leaf name=\"name\">\n"
+            "          <type name=\"string\"/>\n"
+            "        </leaf>\n"
+            "        <leaf name=\"age\">\n"
+            "          <type name=\"uint32\"/>\n"
+            "        </leaf>\n"
+            "      </list>\n"
+            "    </container>\n"
+            "  </container>\n"
+            "  <container name=\"random\">\n"
+            "    <grouping name=\"group\">\n"
+            "      <leaf name=\"g1\">\n"
+            "        <type name=\"percent\"/>\n"
+            "        <mandatory value=\"false\"/>\n"
+            "      </leaf>\n"
+            "      <leaf name=\"g2\">\n"
+            "        <type name=\"string\"/>\n"
+            "      </leaf>\n"
+            "    </grouping>\n"
+            "    <choice name=\"switch\">\n"
+            "      <case name=\"a\">\n"
+            "        <leaf name=\"aleaf\">\n"
+            "          <type name=\"string\"/>\n"
+            "          <default value=\"aaa\"/>\n"
+            "        </leaf>\n"
+            "      </case>\n"
+            "      <case name=\"c\">\n"
+            "        <leaf name=\"cleaf\">\n"
+            "          <type name=\"string\"/>\n"
+            "        </leaf>\n"
+            "      </case>\n"
+            "    </choice>\n"
+            "    <anyxml name=\"xml-data\"/>\n"
+            "    <anydata name=\"any-data\"/>\n"
+            "    <leaf-list name=\"leaflist\">\n"
+            "      <type name=\"string\"/>\n"
+            "      <min-elements value=\"0\"/>\n"
+            "      <max-elements value=\"20\"/>\n"
+            "    </leaf-list>\n"
+            "    <uses name=\"group\"/>\n"
+            "    <uses name=\"mod2:rgroup\"/>\n"
+            "    <leaf name=\"lref\">\n"
+            "      <type name=\"leafref\">\n"
+            "        <path value=\"/mod2:one-leaf\"/>\n"
+            "      </type>\n"
+            "    </leaf>\n"
+            "    <leaf name=\"iref\">\n"
+            "      <type name=\"identityref\">\n"
+            "        <base name=\"mod2:just-another-identity\"/>\n"
+            "      </type>\n"
+            "    </leaf>\n"
+            "  </container>\n"
+            "  <augment target-node=\"/random\">\n"
+            "    <leaf name=\"aug-leaf\">\n"
+            "      <type name=\"string\"/>\n"
+            "    </leaf>\n"
+            "  </augment>\n"
+            "  <notification name=\"notif\"/>\n"
+            "  <deviation target-node=\"/mod:ice-cream-shop/mod:employees/mod:employee/mod:age\">\n"
+            "    <deviate value=\"not-supported\">\n"
+            "      <mod:ext/>\n"
+            "    </deviate>\n"
+            "  </deviation>\n"
+            "  <deviation target-node=\"/mod:list1\">\n"
+            "    <deviate value=\"add\">\n"
+            "      <mod:ext/>\n"
+            "      <must condition=\"1\"/>\n"
+            "      <must condition=\"2\"/>\n"
+            "      <unique tag=\"x\"/>\n"
+            "      <unique tag=\"y\"/>\n"
+            "      <config value=\"true\"/>\n"
+            "      <min-elements value=\"1\"/>\n"
+            "      <max-elements value=\"2\"/>\n"
+            "    </deviate>\n"
+            "  </deviation>\n"
+            "  <deviation target-node=\"/mod:ice-cream-shop/mod:employees/mod:employee\">\n"
+            "    <deviate value=\"delete\">\n"
+            "      <unique tag=\"name\"/>\n"
+            "    </deviate>\n"
+            "  </deviation>\n"
+            "  <deviation target-node=\"/mod:random/mod:leaflist\">\n"
+            "    <deviate value=\"replace\">\n"
+            "      <type name=\"uint32\"/>\n"
+            "      <min-elements value=\"10\"/>\n"
+            "      <max-elements value=\"15\"/>\n"
+            "    </deviate>\n"
+            "  </deviation>\n"
+            "</module>\n";
+
+    UTEST_ADD_MODULE(links_yin, LYS_IN_YIN, NULL, NULL);
+    UTEST_ADD_MODULE(statements_yin, LYS_IN_YIN, NULL, &mod);
+    lys_print_mem(&printed, mod, LYS_OUT_YIN, 0);
+    assert_string_equal(printed, statements_yin);
+    free(printed);
+}
+
+static void
+test_print_module(void **state)
+{
+    struct lys_module *mod;
+
+    char *orig = malloc(8096);
+
+    strcpy(orig,
+            "module all {\n"
+            "    yang-version 1.1;\n"
+            "    namespace \"urn:all\";\n"
+            "    prefix all_mod;\n\n"
+            "    import ietf-yang-types {\n"
+            "        prefix yt;\n"
+            "        revision-date 2013-07-15;\n"
+            "        description\n"
+            "            \"YANG types\";\n"
+            "        reference\n"
+            "            \"RFC reference\";\n"
+            "    }\n\n"
+            "    feature feat1 {\n"
+            "        if-feature \"feat2\";\n"
+            "        status obsolete;\n"
+            "    }\n\n"
+            "    feature feat2;\n"
+            "    feature feat3;\n\n"
+            "    identity ident2 {\n"
+            "        base ident1;\n"
+            "    }\n\n"
+            "    identity ident1;\n\n"
+            "    typedef tdef1 {\n"
+            "        type tdef2 {\n"
+            "            length \"3..9 | 30..40\";\n"
+            "            pattern \"[ac]*\";\n"
+            "        }\n"
+            "        units \"none\";\n"
+            "        default \"aaa\";\n"
+            "    }\n\n"
+            "    typedef tdef2 {\n"
+            "        type string {\n"
+            "            length \"2..10 | 20..50\";\n"
+            "            pattern \"[ab]*\";\n"
+            "        }\n"
+            "    }\n\n"
+            "    grouping group1 {\n"
+            "        leaf leaf1 {\n"
+            "            type int8;\n"
+            "        }\n"
+            "    }\n\n"
+            "    container cont1 {\n"
+            "        leaf leaf2 {\n"
+            "            if-feature \"feat1\";\n"
+            "            type int16;\n"
+            "            status obsolete;\n"
+            "        }\n\n"
+            "        uses group1 {\n"
+            "            if-feature \"feat2\";\n"
+            "            refine \"leaf1\" {\n"
+            "                if-feature \"feat3\";\n"
+            "                must \"24 - 4 = number('20')\";\n"
+            "                default \"25\";\n"
+            "                config true;\n"
+            "                mandatory false;\n"
+            "                description\n"
+            "                    \"dsc\";\n"
+            "                reference\n"
+            "                    \"none\";\n"
+            "            }\n"
+            "        }\n\n"
+            "        leaf leaf3 {\n"
+            "            type int32;\n"
+            "        }\n\n"
+            "        leaf leaf4 {\n"
+            "            type int64 {\n"
+            "                range \"1000 .. 50000\" {\n"
+            "                    error-message\n"
+            "                        \"Special error message.\";\n"
+            "                    error-app-tag \"special-tag\";\n"
+            "                }\n"
+            "            }\n"
+            "        }\n\n"
+            "        leaf leaf5 {\n"
+            "            type uint8;\n"
+            "        }\n\n"
+            "        leaf leaf6 {\n"
+            "            type uint16;\n"
+            "        }\n\n"
+            "        leaf leaf7 {\n"
+            "            type uint32;\n"
+            "        }\n\n"
+            "        leaf leaf8 {\n"
+            "            type uint64;\n"
+            "        }\n\n"
+            "        choice choic1 {\n"
+            "            default \"leaf9b\";\n"
+            "            leaf leaf9a {\n"
+            "                type decimal64 {\n"
+            "                    fraction-digits 9;\n"
+            "                }\n"
+            "            }\n\n"
+            "            leaf leaf9b {\n"
+            "                type boolean;\n"
+            "                default \"false\";\n"
+            "            }\n"
+            "        }\n\n"
+            "        leaf leaf10 {\n"
+            "            type boolean;\n"
+            "        }\n\n");
+    strcpy(orig + strlen(orig),
+            "        leaf leaf11 {\n"
+            "            type enumeration {\n"
+            "                enum \"one\";\n"
+            "                enum \"two\";\n"
+            "                enum \"five\" {\n"
+            "                    value 5;\n"
+            "                }\n"
+            "            }\n"
+            "        }\n\n"
+            "        leaf leaf12 {\n"
+            "            type bits {\n"
+            "                bit flag0 {\n"
+            "                    position 0;\n"
+            "                }\n"
+            "                bit flag1;\n"
+            "                bit flag2 {\n"
+            "                    position 2;\n"
+            "                }\n"
+            "                bit flag3 {\n"
+            "                    position 3;\n"
+            "                }\n"
+            "            }\n"
+            "            default \"flag0 flag3\";\n"
+            "        }\n\n"
+            "        leaf leaf13 {\n"
+            "            type binary;\n"
+            "        }\n\n"
+            "        leaf leaf14 {\n"
+            "            type leafref {\n"
+            "                path \"/cont1/leaf17\";\n"
+            "            }\n"
+            "        }\n\n"
+            "        leaf leaf15 {\n"
+            "            type empty;\n"
+            "        }\n\n"
+            "        leaf leaf16 {\n"
+            "            type union {\n"
+            "                type instance-identifier {\n"
+            "                    require-instance true;\n"
+            "                }\n"
+            "                type int8;\n"
+            "            }\n"
+            "        }\n\n"
+            "        list list1 {\n"
+            "            key \"leaf18\";\n"
+            "            unique \"leaf19\";\n"
+            "            min-elements 1;\n"
+            "            max-elements 20;\n"
+            "            leaf leaf18 {\n"
+            "                type string;\n"
+            "            }\n\n"
+            "            leaf leaf19 {\n"
+            "                type uint32;\n"
+            "            }\n\n"
+            "            anyxml axml1;\n"
+            "            anydata adata1;\n\n"
+            "            action act1 {\n"
+            "                input {\n"
+            "                    leaf leaf24 {\n"
+            "                        type string;\n"
+            "                    }\n"
+            "                }\n\n"
+            "                output {\n"
+            "                    leaf leaf25 {\n"
+            "                        type string;\n"
+            "                    }\n"
+            "                }\n"
+            "            }\n\n"
+            "            notification notif1 {\n"
+            "                leaf leaf26 {\n"
+            "                    type string;\n"
+            "                }\n"
+            "            }\n"
+            "        }\n\n"
+            "        leaf-list llist1 {\n"
+            "            type tdef1;\n"
+            "            ordered-by user;\n"
+            "        }\n\n"
+            "        list list2 {\n"
+            "            key \"leaf27 leaf28\";\n"
+            "            leaf leaf27 {\n"
+            "                type uint8;\n"
+            "            }\n\n"
+            "            leaf leaf28 {\n"
+            "                type uint8;\n"
+            "            }\n"
+            "        }\n\n"
+            "        leaf leaf29 {\n"
+            "            type instance-identifier;\n"
+            "        }\n\n"
+            "        container must-deviations-container {\n"
+            "            presence \"Allows deviations on the leaf\";\n"
+            "            leaf leaf30 {\n"
+            "                type string;\n"
+            "            }\n"
+            "        }\n\n"
+            "        leaf leaf23 {\n"
+            "            type empty;\n"
+            "        }\n"
+            "    }\n\n"
+            "    augment \"/cont1\" {\n"
+            "        leaf leaf17 {\n"
+            "            type string;\n"
+            "        }\n"
+            "    }\n\n"
+            "    rpc rpc1 {\n"
+            "        input {\n"
+            "            leaf leaf20 {\n"
+            "                type tdef1;\n"
+            "            }\n"
+            "        }\n\n"
+            "        output {\n"
+            "            container cont2 {\n"
+            "                leaf leaf21 {\n"
+            "                    type empty;\n"
+            "                }\n"
+            "            }\n"
+            "        }\n"
+            "    }\n\n"
+            "    container test-when {\n"
+            "        leaf when-check {\n"
+            "            type boolean;\n"
+            "        }\n\n"
+            "        leaf gated-data {\n"
+            "            when \"../when-check = 'true'\";\n"
+            "            type uint16;\n"
+            "        }\n"
+            "    }\n\n"
+            "    extension c-define {\n"
+            "        description\n"
+            "            \"Takes as an argument a name string.\n"
+            "            Makes the code generator use the given name\n"
+            "            in the #define.\";\n"
+            "        argument \"name\";\n"
+            "    }\n"
+            "}\n");
+
+    char *ori_res = malloc(8096);
+
+    strcpy(ori_res,
+            "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+            "<module name=\"all\"\n"
+            "        xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"\n"
+            "        xmlns:all_mod=\"urn:all\"\n"
+            "        xmlns:yt=\"urn:ietf:params:xml:ns:yang:ietf-yang-types\">\n"
+            "  <yang-version value=\"1.1\"/>\n"
+            "  <namespace uri=\"urn:all\"/>\n"
+            "  <prefix value=\"all_mod\"/>\n"
+            "  <import module=\"ietf-yang-types\">\n"
+            "    <prefix value=\"yt\"/>\n"
+            "    <revision-date date=\"2013-07-15\"/>\n"
+            "    <description>\n"
+            "      <text>YANG types</text>\n"
+            "    </description>\n"
+            "    <reference>\n"
+            "      <text>RFC reference</text>\n"
+            "    </reference>\n"
+            "  </import>\n"
+            "  <extension name=\"c-define\">\n"
+            "    <argument name=\"name\"/>\n"
+            "    <description>\n"
+            "      <text>Takes as an argument a name string.\n"
+            "Makes the code generator use the given name\n"
+            "in the #define.</text>\n"
+            "    </description>\n"
+            "  </extension>\n"
+            "  <feature name=\"feat1\">\n"
+            "    <if-feature name=\"feat2\"/>\n"
+            "    <status value=\"obsolete\"/>\n"
+            "  </feature>\n"
+            "  <feature name=\"feat2\"/>\n"
+            "  <feature name=\"feat3\"/>\n"
+            "  <identity name=\"ident2\">\n"
+            "    <base name=\"ident1\"/>\n"
+            "  </identity>\n"
+            "  <identity name=\"ident1\"/>\n"
+            "  <typedef name=\"tdef1\">\n"
+            "    <type name=\"tdef2\">\n"
+            "      <length value=\"3..9 | 30..40\"/>\n"
+            "      <pattern value=\"[ac]*\"/>\n"
+            "    </type>\n"
+            "    <units name=\"none\"/>\n"
+            "    <default value=\"aaa\"/>\n"
+            "  </typedef>\n"
+            "  <typedef name=\"tdef2\">\n"
+            "    <type name=\"string\">\n"
+            "      <length value=\"2..10 | 20..50\"/>\n"
+            "      <pattern value=\"[ab]*\"/>\n"
+            "    </type>\n"
+            "  </typedef>\n"
+            "  <grouping name=\"group1\">\n"
+            "    <leaf name=\"leaf1\">\n"
+            "      <type name=\"int8\"/>\n"
+            "    </leaf>\n"
+            "  </grouping>\n"
+            "  <container name=\"cont1\">\n"
+            "    <leaf name=\"leaf2\">\n"
+            "      <if-feature name=\"feat1\"/>\n"
+            "      <type name=\"int16\"/>\n"
+            "      <status value=\"obsolete\"/>\n"
+            "    </leaf>\n"
+            "    <uses name=\"group1\">\n"
+            "      <if-feature name=\"feat2\"/>\n"
+            "      <refine target-node=\"leaf1\">\n"
+            "        <if-feature name=\"feat3\"/>\n"
+            "        <must condition=\"24 - 4 = number('20')\"/>\n"
+            "        <default value=\"25\"/>\n"
+            "        <config value=\"true\"/>\n"
+            "        <mandatory value=\"false\"/>\n"
+            "        <description>\n"
+            "          <text>dsc</text>\n"
+            "        </description>\n"
+            "        <reference>\n"
+            "          <text>none</text>\n"
+            "        </reference>\n"
+            "      </refine>\n"
+            "    </uses>\n"
+            "    <leaf name=\"leaf3\">\n"
+            "      <type name=\"int32\"/>\n"
+            "    </leaf>\n"
+            "    <leaf name=\"leaf4\">\n"
+            "      <type name=\"int64\">\n"
+            "        <range value=\"1000 .. 50000\">\n"
+            "          <error-message>\n"
+            "            <value>Special error message.</value>\n"
+            "          </error-message>\n"
+            "          <error-app-tag value=\"special-tag\"/>\n"
+            "        </range>\n"
+            "      </type>\n"
+            "    </leaf>\n"
+            "    <leaf name=\"leaf5\">\n"
+            "      <type name=\"uint8\"/>\n"
+            "    </leaf>\n"
+            "    <leaf name=\"leaf6\">\n"
+            "      <type name=\"uint16\"/>\n"
+            "    </leaf>\n"
+            "    <leaf name=\"leaf7\">\n"
+            "      <type name=\"uint32\"/>\n"
+            "    </leaf>\n"
+            "    <leaf name=\"leaf8\">\n"
+            "      <type name=\"uint64\"/>\n"
+            "    </leaf>\n"
+            "    <choice name=\"choic1\">\n"
+            "      <default value=\"leaf9b\"/>\n"
+            "      <leaf name=\"leaf9a\">\n"
+            "        <type name=\"decimal64\">\n"
+            "          <fraction-digits value=\"9\"/>\n"
+            "        </type>\n"
+            "      </leaf>\n"
+            "      <leaf name=\"leaf9b\">\n"
+            "        <type name=\"boolean\"/>\n"
+            "        <default value=\"false\"/>\n"
+            "      </leaf>\n"
+            "    </choice>\n"
+            "    <leaf name=\"leaf10\">\n"
+            "      <type name=\"boolean\"/>\n"
+            "    </leaf>\n");
+    strcpy(ori_res + strlen(ori_res),
+            "    <leaf name=\"leaf11\">\n"
+            "      <type name=\"enumeration\">\n"
+            "        <enum name=\"one\"/>\n"
+            "        <enum name=\"two\"/>\n"
+            "        <enum name=\"five\">\n"
+            "          <value value=\"5\"/>\n"
+            "        </enum>\n"
+            "      </type>\n"
+            "    </leaf>\n"
+            "    <leaf name=\"leaf12\">\n"
+            "      <type name=\"bits\">\n"
+            "        <bit name=\"flag0\">\n"
+            "          <position value=\"0\"/>\n"
+            "        </bit>\n"
+            "        <bit name=\"flag1\"/>\n"
+            "        <bit name=\"flag2\">\n"
+            "          <position value=\"2\"/>\n"
+            "        </bit>\n"
+            "        <bit name=\"flag3\">\n"
+            "          <position value=\"3\"/>\n"
+            "        </bit>\n"
+            "      </type>\n"
+            "      <default value=\"flag0 flag3\"/>\n"
+            "    </leaf>\n"
+            "    <leaf name=\"leaf13\">\n"
+            "      <type name=\"binary\"/>\n"
+            "    </leaf>\n"
+            "    <leaf name=\"leaf14\">\n"
+            "      <type name=\"leafref\">\n"
+            "        <path value=\"/cont1/leaf17\"/>\n"
+            "      </type>\n"
+            "    </leaf>\n"
+            "    <leaf name=\"leaf15\">\n"
+            "      <type name=\"empty\"/>\n"
+            "    </leaf>\n"
+            "    <leaf name=\"leaf16\">\n"
+            "      <type name=\"union\">\n"
+            "        <type name=\"instance-identifier\">\n"
+            "          <require-instance value=\"true\"/>\n"
+            "        </type>\n"
+            "        <type name=\"int8\"/>\n"
+            "      </type>\n"
+            "    </leaf>\n"
+            "    <list name=\"list1\">\n"
+            "      <key value=\"leaf18\"/>\n"
+            "      <unique tag=\"leaf19\"/>\n"
+            "      <min-elements value=\"1\"/>\n"
+            "      <max-elements value=\"20\"/>\n"
+            "      <leaf name=\"leaf18\">\n"
+            "        <type name=\"string\"/>\n"
+            "      </leaf>\n"
+            "      <leaf name=\"leaf19\">\n"
+            "        <type name=\"uint32\"/>\n"
+            "      </leaf>\n"
+            "      <anyxml name=\"axml1\"/>\n"
+            "      <anydata name=\"adata1\"/>\n"
+            "      <action name=\"act1\">\n"
+            "        <input>\n"
+            "          <leaf name=\"leaf24\">\n"
+            "            <type name=\"string\"/>\n"
+            "          </leaf>\n"
+            "        </input>\n"
+            "        <output>\n"
+            "          <leaf name=\"leaf25\">\n"
+            "            <type name=\"string\"/>\n"
+            "          </leaf>\n"
+            "        </output>\n"
+            "      </action>\n"
+            "      <notification name=\"notif1\">\n"
+            "        <leaf name=\"leaf26\">\n"
+            "          <type name=\"string\"/>\n"
+            "        </leaf>\n"
+            "      </notification>\n"
+            "    </list>\n"
+            "    <leaf-list name=\"llist1\">\n"
+            "      <type name=\"tdef1\"/>\n"
+            "      <ordered-by value=\"user\"/>\n"
+            "    </leaf-list>\n"
+            "    <list name=\"list2\">\n"
+            "      <key value=\"leaf27 leaf28\"/>\n"
+            "      <leaf name=\"leaf27\">\n"
+            "        <type name=\"uint8\"/>\n"
+            "      </leaf>\n"
+            "      <leaf name=\"leaf28\">\n"
+            "        <type name=\"uint8\"/>\n"
+            "      </leaf>\n"
+            "    </list>\n"
+            "    <leaf name=\"leaf29\">\n"
+            "      <type name=\"instance-identifier\"/>\n"
+            "    </leaf>\n"
+            "    <container name=\"must-deviations-container\">\n"
+            "      <presence value=\"Allows deviations on the leaf\"/>\n"
+            "      <leaf name=\"leaf30\">\n"
+            "        <type name=\"string\"/>\n"
+            "      </leaf>\n"
+            "    </container>\n"
+            "    <leaf name=\"leaf23\">\n"
+            "      <type name=\"empty\"/>\n"
+            "    </leaf>\n"
+            "  </container>\n"
+            "  <container name=\"test-when\">\n"
+            "    <leaf name=\"when-check\">\n"
+            "      <type name=\"boolean\"/>\n"
+            "    </leaf>\n"
+            "    <leaf name=\"gated-data\">\n"
+            "      <when condition=\"../when-check = 'true'\"/>\n"
+            "      <type name=\"uint16\"/>\n"
+            "    </leaf>\n"
+            "  </container>\n"
+            "  <augment target-node=\"/cont1\">\n"
+            "    <leaf name=\"leaf17\">\n"
+            "      <type name=\"string\"/>\n"
+            "    </leaf>\n"
+            "  </augment>\n"
+            "  <rpc name=\"rpc1\">\n"
+            "    <input>\n"
+            "      <leaf name=\"leaf20\">\n"
+            "        <type name=\"tdef1\"/>\n"
+            "      </leaf>\n"
+            "    </input>\n"
+            "    <output>\n"
+            "      <container name=\"cont2\">\n"
+            "        <leaf name=\"leaf21\">\n"
+            "          <type name=\"empty\"/>\n"
+            "        </leaf>\n"
+            "      </container>\n"
+            "    </output>\n"
+            "  </rpc>\n"
+            "</module>\n");
+
+    char *printed;
+    struct ly_out *out;
+
+    assert_int_equal(LY_SUCCESS, ly_out_new_memory(&printed, 0, &out));
+
+    UTEST_ADD_MODULE(orig, LYS_IN_YANG, NULL, &mod);
+    assert_int_equal(LY_SUCCESS, lys_print_module(out, mod, LYS_OUT_YIN, 0, 0));
+    assert_int_equal(strlen(ori_res), ly_out_printed(out));
+    assert_string_equal(printed, ori_res);
+
+    ly_out_free(out, NULL, 1);
+    free(orig);
+    free(ori_res);
+}
+
+static LY_ERR
+test_imp_clb(const char *UNUSED(mod_name), const char *UNUSED(mod_rev), const char *UNUSED(submod_name),
+        const char *UNUSED(sub_rev), void *user_data, LYS_INFORMAT *format,
+        const char **module_data, void (**free_module_data)(void *model_data, void *user_data))
+{
+    *module_data = user_data;
+    *format = LYS_IN_YIN;
+    *free_module_data = NULL;
+    return LY_SUCCESS;
+}
+
+static void
+test_print_submodule(void **state)
+{
+    struct lys_module *mod;
+
+    const char *mod_yin =
+            "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+            "<module name=\"a\"\n"
+            "        xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"\n"
+            "        xmlns:a_mod=\"urn:a\">\n"
+            "  <yang-version value=\"1.1\"/>\n"
+            "  <namespace uri=\"urn:a\"/>\n"
+            "  <prefix value=\"a_mod\"/>\n"
+            "  <include module=\"a-sub\"/>\n"
+            "</module>\n";
+
+    char *submod_yin =
+            "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+            "<submodule name=\"a-sub\"\n"
+            "        xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"\n"
+            "        xmlns:a_mod=\"urn:a\"\n"
+            "        xmlns:yt=\"urn:ietf:params:xml:ns:yang:ietf-yang-types\">\n"
+            "  <yang-version value=\"1.1\"/>\n"
+            "  <belongs-to module=\"a\">\n"
+            "    <prefix value=\"a_mod\"/>\n"
+            "  </belongs-to>\n"
+            "  <import module=\"ietf-yang-types\">\n"
+            "    <prefix value=\"yt\"/>\n"
+            "    <revision-date date=\"2013-07-15\"/>\n"
+            "  </import>\n\n"
+            "  <description>\n"
+            "    <text>YANG types</text>\n"
+            "  </description>\n"
+            "  <reference>\n"
+            "    <text>RFC reference</text>\n"
+            "  </reference>\n"
+            "</submodule>\n";
+
+    char *printed;
+    struct ly_out *out;
+
+    assert_int_equal(LY_SUCCESS, ly_out_new_memory(&printed, 0, &out));
+
+    ly_ctx_set_module_imp_clb(UTEST_LYCTX, test_imp_clb, submod_yin);
+
+    UTEST_ADD_MODULE(mod_yin, LYS_IN_YIN, NULL, &mod);
+    assert_int_equal(LY_SUCCESS, lys_print_submodule(out, mod->parsed->includes[0].submodule, LYS_OUT_YIN, 0, 0));
+    assert_int_equal(strlen(submod_yin), ly_out_printed(out));
+    assert_string_equal(printed, submod_yin);
+
+    ly_out_free(out, NULL, 1);
+}
+
+/* helper function to simplify unit test of each element using parse_content function */
+LY_ERR
+test_element_helper(void **state, const char *data, void *dest, const char **text, struct lysp_ext_instance **exts)
+{
+    const char *name, *prefix;
+    size_t name_len, prefix_len;
+    LY_ERR ret = LY_SUCCESS;
+    struct yin_subelement subelems[71] = {
+        {LY_STMT_ACTION, dest, 0},
+        {LY_STMT_ANYDATA, dest, 0},
+        {LY_STMT_ANYXML, dest, 0},
+        {LY_STMT_ARGUMENT, dest, 0},
+        {LY_STMT_AUGMENT, dest, 0},
+        {LY_STMT_BASE, dest, 0},
+        {LY_STMT_BELONGS_TO, dest, 0},
+        {LY_STMT_BIT, dest, 0},
+        {LY_STMT_CASE, dest, 0},
+        {LY_STMT_CHOICE, dest, 0},
+        {LY_STMT_CONFIG, dest, 0},
+        {LY_STMT_CONTACT, dest, 0},
+        {LY_STMT_CONTAINER, dest, 0},
+        {LY_STMT_DEFAULT, dest, YIN_SUBELEM_UNIQUE},
+        {LY_STMT_DESCRIPTION, dest, 0},
+        {LY_STMT_DEVIATE, dest, 0},
+        {LY_STMT_DEVIATION, dest, 0},
+        {LY_STMT_ENUM, dest, 0},
+        {LY_STMT_ERROR_APP_TAG, dest, YIN_SUBELEM_UNIQUE},
+        {LY_STMT_ERROR_MESSAGE, dest, 0},
+        {LY_STMT_EXTENSION, dest, 0},
+        {LY_STMT_FEATURE, dest, 0},
+        {LY_STMT_FRACTION_DIGITS, dest, 0},
+        {LY_STMT_GROUPING, dest, 0},
+        {LY_STMT_IDENTITY, dest, 0},
+        {LY_STMT_IF_FEATURE, dest, 0},
+        {LY_STMT_IMPORT, dest, 0},
+        {LY_STMT_INCLUDE, dest, 0},
+        {LY_STMT_INPUT, dest, 0},
+        {LY_STMT_KEY, dest, YIN_SUBELEM_UNIQUE},
+        {LY_STMT_LEAF, dest, 0},
+        {LY_STMT_LEAF_LIST, dest, 0},
+        {LY_STMT_LENGTH, dest, 0},
+        {LY_STMT_LIST, dest, 0},
+        {LY_STMT_MANDATORY, dest, 0},
+        {LY_STMT_MAX_ELEMENTS, dest, 0},
+        {LY_STMT_MIN_ELEMENTS, dest, 0},
+        {LY_STMT_MODIFIER, dest, 0},
+        {LY_STMT_MODULE, dest, 0},
+        {LY_STMT_MUST, dest, 0},
+        {LY_STMT_NAMESPACE, dest, YIN_SUBELEM_UNIQUE},
+        {LY_STMT_NOTIFICATION, dest, 0},
+        {LY_STMT_ORDERED_BY, dest, 0},
+        {LY_STMT_ORGANIZATION, dest, 0},
+        {LY_STMT_OUTPUT, dest, 0},
+        {LY_STMT_PATH, dest, 0},
+        {LY_STMT_PATTERN, dest, 0},
+        {LY_STMT_POSITION, dest, 0},
+        {LY_STMT_PREFIX, dest, YIN_SUBELEM_UNIQUE},
+        {LY_STMT_PRESENCE, dest, YIN_SUBELEM_UNIQUE},
+        {LY_STMT_RANGE, dest, 0},
+        {LY_STMT_REFERENCE, dest, 0},
+        {LY_STMT_REFINE, dest, 0},
+        {LY_STMT_REQUIRE_INSTANCE, dest, 0},
+        {LY_STMT_REVISION, dest, 0},
+        {LY_STMT_REVISION_DATE, dest, 0},
+        {LY_STMT_RPC, dest, 0},
+        {LY_STMT_STATUS, dest, 0},
+        {LY_STMT_SUBMODULE, dest, 0},
+        {LY_STMT_TYPE, dest, 0},
+        {LY_STMT_TYPEDEF, dest, 0},
+        {LY_STMT_UNIQUE, dest, 0},
+        {LY_STMT_UNITS, dest, YIN_SUBELEM_UNIQUE},
+        {LY_STMT_USES, dest, 0},
+        {LY_STMT_VALUE, dest, 0},
+        {LY_STMT_WHEN, dest, 0},
+        {LY_STMT_YANG_VERSION, dest, 0},
+        {LY_STMT_YIN_ELEMENT, dest, 0},
+        {LY_STMT_EXTENSION_INSTANCE, dest, 0},
+        {LY_STMT_ARG_TEXT, dest, 0},
+        {LY_STMT_ARG_VALUE, dest, 0}
+    };
+
+    YCTX->main_ctx = (struct lysp_ctx *)YCTX;
+    ly_in_new_memory(data, &UTEST_IN);
+    lyxml_ctx_new(UTEST_LYCTX, UTEST_IN, &YCTX->xmlctx);
+    prefix = YCTX->xmlctx->prefix;
+    prefix_len = YCTX->xmlctx->prefix_len;
+    name = YCTX->xmlctx->name;
+    name_len = YCTX->xmlctx->name_len;
+    lyxml_ctx_next(YCTX->xmlctx);
+
+    ret = yin_parse_content(YCTX, subelems, 71, NULL,
+            yin_match_keyword(YCTX, name, name_len, prefix, prefix_len, LY_STMT_NONE), text, exts);
+
+    /* free parser and input */
+    lyxml_ctx_free(YCTX->xmlctx);
+    YCTX->xmlctx = NULL;
+    ly_in_free(UTEST_IN, 0);
+    UTEST_IN = NULL;
+    return ret;
+}
+
+#define EXT_SUBELEM "<myext:c-define name=\"MY_MTU\" xmlns:myext=\"urn:example:extensions\"/>"
+
+static void
+test_enum_elem(void **state)
+{
+    struct lysp_type type = {0};
+    const char *data;
+
+    data = ELEMENT_WRAPPER_START
+            "<enum name=\"enum-name\">\n"
+            "     <if-feature name=\"feature\" />\n"
+            "     <value value=\"55\" />\n"
+            "     <status value=\"deprecated\" />\n"
+            "     <description><text>desc...</text></description>\n"
+            "     <reference><text>ref...</text></reference>\n"
+            "     " EXT_SUBELEM "\n"
+            "</enum>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &type, NULL, NULL), LY_SUCCESS);
+    uint16_t flags = LYS_STATUS_DEPRC | LYS_SET_VALUE;
+
+    CHECK_LYSP_TYPE_ENUM(type.enums, "desc...", 1, flags, 1, "enum-name", "ref...", 55);
+    assert_string_equal(type.enums->iffeatures[0].str, "feature");
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(type.enums->exts, LY_STMT_ENUM);
+    lysp_type_free(&fctx, &type);
+    memset(&type, 0, sizeof type);
+
+    data = ELEMENT_WRAPPER_START
+            "<enum name=\"enum-name\"></enum>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &type, NULL, NULL), LY_SUCCESS);
+    assert_string_equal(type.enums->name, "enum-name");
+    lysp_type_free(&fctx, &type);
+    memset(&type, 0, sizeof type);
+}
+
+static void
+test_bit_elem(void **state)
+{
+    struct lysp_type type = {0};
+    const char *data;
+
+    data = ELEMENT_WRAPPER_START
+            "<bit name=\"bit-name\">\n"
+            "    <if-feature name=\"feature\" />\n"
+            "    <position value=\"55\" />\n"
+            "    <status value=\"deprecated\" />\n"
+            "    <description><text>desc...</text></description>\n"
+            "    <reference><text>ref...</text></reference>\n"
+            EXT_SUBELEM
+            "</bit>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &type, NULL, NULL), LY_SUCCESS);
+    uint16_t flags = LYS_STATUS_DEPRC | LYS_SET_VALUE;
+
+    CHECK_LYSP_TYPE_ENUM(type.bits, "desc...", 1, flags, 1, "bit-name", "ref...", 55);
+    assert_string_equal(type.bits->iffeatures[0].str, "feature");
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(type.bits->exts, LY_STMT_BIT);
+    lysp_type_free(&fctx, &type);
+    memset(&type, 0, sizeof type);
+
+    data = ELEMENT_WRAPPER_START
+            "<bit name=\"bit-name\"> </bit>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &type, NULL, NULL), LY_SUCCESS);
+    CHECK_LYSP_TYPE_ENUM(type.bits, NULL, 0, 0, 0, "bit-name", NULL, 0);
+    lysp_type_free(&fctx, &type);
+    memset(&type, 0, sizeof type);
+}
+
+static void
+test_status_elem(void **state)
+{
+    const char *data;
+    uint16_t flags = 0;
+
+    /* test invalid value */
+    data = ELEMENT_WRAPPER_START "<status value=\"invalid\"></status>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &flags, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"invalid\" of \"value\" attribute in \"status\" element. "
+            "Valid values are \"current\", \"deprecated\" and \"obsolete\".", "Line number 1.");
+}
+
+static void
+test_yin_element_elem(void **state)
+{
+    const char *data;
+    uint16_t flags = 0;
+
+    data = ELEMENT_WRAPPER_START "<yin-element value=\"invalid\" />" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &flags, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"invalid\" of \"value\" attribute in \"yin-element\" element. "
+            "Valid values are \"true\" and \"false\".", "Line number 1.");
+}
+
+static void
+test_yangversion_elem(void **state)
+{
+    const char *data;
+    uint8_t version = 0;
+
+    /* invalid value */
+    data = ELEMENT_WRAPPER_START "<yang-version value=\"version\" />" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &version, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"version\" of \"value\" attribute in \"yang-version\" element. "
+            "Valid values are \"1\" and \"1.1\".", "Line number 1.");
+}
+
+static void
+test_argument_elem(void **state)
+{
+    const char *data;
+    uint16_t flags = 0;
+    const char *arg;
+    struct yin_argument_meta arg_meta = {&flags, &arg};
+
+    /* min subelems */
+    data = ELEMENT_WRAPPER_START
+            "<argument name=\"arg\">"
+            "</argument>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &arg_meta, NULL, NULL), LY_SUCCESS);
+    assert_string_equal(arg, "arg");
+    assert_true(flags == 0);
+    lydict_remove(UTEST_LYCTX, arg);
+}
+
+static void
+test_belongsto_elem(void **state)
+{
+    const char *data;
+    struct lysp_submodule submod;
+
+    lydict_insert(UTEST_LYCTX, "module-name", 0, &PARSER_CUR_PMOD(YCTX)->mod->name);
+
+    data = ELEMENT_WRAPPER_START "<belongs-to module=\"module-name\"></belongs-to>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &submod, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Missing mandatory sub-element \"prefix\" of \"belongs-to\" element.", "Line number 1.");
+}
+
+static void
+test_config_elem(void **state)
+{
+    const char *data;
+    uint16_t flags = 0;
+
+    data = ELEMENT_WRAPPER_START "<config value=\"false\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &flags, NULL, NULL), LY_SUCCESS);
+    assert_true(flags & LYS_CONFIG_R);
+    flags = 0;
+
+    data = ELEMENT_WRAPPER_START "<config value=\"invalid\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &flags, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"invalid\" of \"value\" attribute in \"config\" element. "
+            "Valid values are \"true\" and \"false\".", "Line number 1.");
+}
+
+static void
+test_default_elem(void **state)
+{
+    const char *data;
+    struct lysp_qname val = {0};
+
+    data = ELEMENT_WRAPPER_START "<default/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &val, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Missing mandatory attribute value of default element.", "Line number 1.");
+}
+
+static void
+test_err_app_tag_elem(void **state)
+{
+    const char *data;
+    const char *val = NULL;
+
+    data = ELEMENT_WRAPPER_START "<error-app-tag/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &val, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Missing mandatory attribute value of error-app-tag element.", "Line number 1.");
+}
+
+static void
+test_err_msg_elem(void **state)
+{
+    const char *data;
+    const char *val = NULL;
+
+    data = ELEMENT_WRAPPER_START "<error-message></error-message>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &val, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Missing mandatory sub-element \"value\" of \"error-message\" element.", "Line number 1.");
+
+    data = ELEMENT_WRAPPER_START "<error-message invalid=\"text\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &val, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Unexpected attribute \"invalid\" of \"error-message\" element.", "Line number 1.");
+}
+
+static void
+test_fracdigits_elem(void **state)
+{
+    const char *data;
+    struct lysp_type type = {0};
+
+    /* invalid values */
+    data = ELEMENT_WRAPPER_START "<fraction-digits value=\"-1\"></fraction-digits>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &type, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"-1\" of \"value\" attribute in \"fraction-digits\" element.", "Line number 1.");
+
+    data = ELEMENT_WRAPPER_START "<fraction-digits value=\"02\"></fraction-digits>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &type, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"02\" of \"value\" attribute in \"fraction-digits\" element.", "Line number 1.");
+
+    data = ELEMENT_WRAPPER_START "<fraction-digits value=\"1p\"></fraction-digits>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &type, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"1p\" of \"value\" attribute in \"fraction-digits\" element.", "Line number 1.");
+
+    data = ELEMENT_WRAPPER_START "<fraction-digits value=\"19\"></fraction-digits>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &type, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"19\" of \"value\" attribute in \"fraction-digits\" element.", "Line number 1.");
+
+    data = ELEMENT_WRAPPER_START "<fraction-digits value=\"999999999999999999\"></fraction-digits>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &type, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"999999999999999999\" of \"value\" attribute in \"fraction-digits\" element.", "Line number 1.");
+}
+
+static void
+test_iffeature_elem(void **state)
+{
+    const char *data;
+    const char **iffeatures = NULL;
+
+    data = ELEMENT_WRAPPER_START "<if-feature/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &iffeatures, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Missing mandatory attribute name of if-feature element.", "Line number 1.");
+    LY_ARRAY_FREE(iffeatures);
+    iffeatures = NULL;
+}
+
+static void
+test_length_elem(void **state)
+{
+    const char *data;
+    struct lysp_type type = {0};
+
+    /* max subelems */
+    data = ELEMENT_WRAPPER_START
+            "<length value=\"length-str\">\n"
+            "    <error-message><value>err-msg</value></error-message>\n"
+            "    <error-app-tag value=\"err-app-tag\"/>\n"
+            "    <description><text>desc</text></description>\n"
+            "    <reference><text>ref</text></reference>\n"
+            EXT_SUBELEM
+            "</length>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &type, NULL, NULL), LY_SUCCESS);
+    CHECK_LYSP_RESTR(type.length, "length-str", "desc",
+            "err-app-tag", "err-msg", 1, "ref");
+    assert_true(type.flags & LYS_SET_LENGTH);
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(type.length->exts[0]), LY_STMT_LENGTH);
+    lysp_type_free(&fctx, &type);
+    memset(&type, 0, sizeof(type));
+
+    /* min subelems */
+    data = ELEMENT_WRAPPER_START
+            "<length value=\"length-str\">"
+            "</length>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &type, NULL, NULL), LY_SUCCESS);
+    CHECK_LYSP_RESTR(type.length, "length-str", NULL,
+            NULL, NULL, 0, NULL);
+    lysp_type_free(&fctx, &type);
+    assert_true(type.flags & LYS_SET_LENGTH);
+    memset(&type, 0, sizeof(type));
+
+    data = ELEMENT_WRAPPER_START "<length></length>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &type, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Missing mandatory attribute value of length element.", "Line number 1.");
+    lysp_type_free(&fctx, &type);
+    memset(&type, 0, sizeof(type));
+}
+
+static void
+test_modifier_elem(void **state)
+{
+    const char *data;
+    const char *pat;
+
+    assert_int_equal(LY_SUCCESS, lydict_insert(UTEST_LYCTX, "\006pattern", 8, &pat));
+    data = ELEMENT_WRAPPER_START "<modifier value=\"invert\" />" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &pat, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"invert\" of \"value\" attribute in \"modifier\" element. "
+            "Only valid value is \"invert-match\".", "Line number 1.");
+    lydict_remove(UTEST_LYCTX, pat);
+}
+
+static void
+test_namespace_elem(void **state)
+{
+    const char *data;
+    const char *ns;
+
+    data = ELEMENT_WRAPPER_START "<namespace/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &ns, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Missing mandatory attribute uri of namespace element.", "Line number 1.");
+}
+
+static void
+test_pattern_elem(void **state)
+{
+    const char *data;
+    struct lysp_type type = {0};
+
+    /* max subelems */
+    data = ELEMENT_WRAPPER_START
+            "<pattern value=\"super_pattern\">\n"
+            "    <modifier value=\"invert-match\"/>\n"
+            "    <error-message><value>err-msg-value</value></error-message>\n"
+            "    <error-app-tag value=\"err-app-tag-value\"/>\n"
+            "    <description><text>&quot;pattern-desc&quot;</text></description>\n"
+            "    <reference><text>pattern-ref</text></reference>\n"
+            EXT_SUBELEM
+            "</pattern>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &type, NULL, NULL), LY_SUCCESS);
+    assert_true(type.flags & LYS_SET_PATTERN);
+    CHECK_LYSP_RESTR(type.patterns, "\x015super_pattern", "\"pattern-desc\"",
+            "err-app-tag-value", "err-msg-value", 1, "pattern-ref");
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(type.patterns->exts[0]), LY_STMT_PATTERN);
+    lysp_type_free(&fctx, &type);
+    memset(&type, 0, sizeof(type));
+
+    /* min subelems */
+    data = ELEMENT_WRAPPER_START "<pattern value=\"pattern\"> </pattern>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &type, NULL, NULL), LY_SUCCESS);
+    CHECK_LYSP_RESTR(type.patterns, "\x006pattern", NULL, NULL, NULL, 0, NULL);
+    lysp_type_free(&fctx, &type);
+    memset(&type, 0, sizeof(type));
+}
+
+static void
+test_value_position_elem(void **state)
+{
+    const char *data;
+    struct lysp_type_enum en = {0};
+
+    /* valid values */
+    data = ELEMENT_WRAPPER_START "<value value=\"-55\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &en, NULL, NULL), LY_SUCCESS);
+    CHECK_LYSP_TYPE_ENUM(&(en), NULL, 0, LYS_SET_VALUE, 0, NULL, NULL, -55);
+    memset(&en, 0, sizeof(en));
+
+    data = ELEMENT_WRAPPER_START "<value value=\"0\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &en, NULL, NULL), LY_SUCCESS);
+    CHECK_LYSP_TYPE_ENUM(&(en), NULL, 0, LYS_SET_VALUE, 0, NULL, NULL, 0);
+    memset(&en, 0, sizeof(en));
+
+    data = ELEMENT_WRAPPER_START "<value value=\"-0\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &en, NULL, NULL), LY_SUCCESS);
+    CHECK_LYSP_TYPE_ENUM(&(en), NULL, 0, LYS_SET_VALUE, 0, NULL, NULL, 0);
+    memset(&en, 0, sizeof(en));
+
+    /* valid positions */
+    data = ELEMENT_WRAPPER_START "<position value=\"0\" />" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &en, NULL, NULL), LY_SUCCESS);
+    CHECK_LYSP_TYPE_ENUM(&(en), NULL, 0, LYS_SET_VALUE, 0, NULL, NULL, 0);
+    memset(&en, 0, sizeof(en));
+
+    /* invalid values */
+    data = ELEMENT_WRAPPER_START "<value value=\"99999999999999999999999\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &en, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"99999999999999999999999\" of \"value\" attribute in \"value\" element.", "Line number 1.");
+
+    data = ELEMENT_WRAPPER_START "<value value=\"1k\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &en, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"1k\" of \"value\" attribute in \"value\" element.", "Line number 1.");
+
+    data = ELEMENT_WRAPPER_START "<value value=\"\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &en, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"\" of \"value\" attribute in \"value\" element.", "Line number 1.");
+
+    /*invalid positions */
+    data = ELEMENT_WRAPPER_START "<position value=\"-5\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &en, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"-5\" of \"value\" attribute in \"position\" element.", "Line number 1.");
+
+    data = ELEMENT_WRAPPER_START "<position value=\"-0\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &en, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"-0\" of \"value\" attribute in \"position\" element.", "Line number 1.");
+
+    data = ELEMENT_WRAPPER_START "<position value=\"99999999999999999999\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &en, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"99999999999999999999\" of \"value\" attribute in \"position\" element.", "Line number 1.");
+
+    data = ELEMENT_WRAPPER_START "<position value=\"\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &en, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"\" of \"value\" attribute in \"position\" element.", "Line number 1.");
+}
+
+static void
+test_prefix_elem(void **state)
+{
+    const char *data;
+    const char *value = NULL;
+
+    data = ELEMENT_WRAPPER_START "<prefix value=\"pref\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &value, NULL, NULL), LY_SUCCESS);
+    assert_string_equal(value, "pref");
+    lydict_remove(UTEST_LYCTX, value);
+}
+
+static void
+test_range_elem(void **state)
+{
+    const char *data;
+    struct lysp_type type = {0};
+
+    /* max subelems */
+    data = ELEMENT_WRAPPER_START
+            "<range value=\"range-str\">\n"
+            "    <error-message><value>err-msg</value></error-message>\n"
+            "    <error-app-tag value=\"err-app-tag\" />\n"
+            "    <description><text>desc</text></description>\n"
+            "    <reference><text>ref</text></reference>\n"
+            EXT_SUBELEM
+            "</range>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &type, NULL, NULL), LY_SUCCESS);
+    CHECK_LYSP_RESTR(type.range, "range-str", "desc",
+            "err-app-tag", "err-msg", 1, "ref");
+    assert_true(type.flags & LYS_SET_RANGE);
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(type.range->exts[0]), LY_STMT_RANGE);
+    lysp_type_free(&fctx, &type);
+    memset(&type, 0, sizeof(type));
+
+    /* min subelems */
+    data = ELEMENT_WRAPPER_START "<range value=\"range-str\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &type, NULL, NULL), LY_SUCCESS);
+    CHECK_LYSP_RESTR(type.range, "range-str", NULL,
+            NULL, NULL, 0, NULL);
+    lysp_type_free(&fctx, &type);
+    memset(&type, 0, sizeof(type));
+}
+
+static void
+test_reqinstance_elem(void **state)
+{
+    const char *data;
+    struct lysp_type type = {0};
+
+    data = ELEMENT_WRAPPER_START "<require-instance value=\"true\">" EXT_SUBELEM "</require-instance>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &type, NULL, NULL), LY_SUCCESS);
+    assert_int_equal(type.require_instance, 1);
+    assert_true(type.flags & LYS_SET_REQINST);
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(type.exts[0]), LY_STMT_REQUIRE_INSTANCE);
+    lysp_type_free(&fctx, &type);
+    memset(&type, 0, sizeof(type));
+
+    data = ELEMENT_WRAPPER_START "<require-instance value=\"false\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &type, NULL, NULL), LY_SUCCESS);
+    assert_int_equal(type.require_instance, 0);
+    assert_true(type.flags & LYS_SET_REQINST);
+    memset(&type, 0, sizeof(type));
+
+    data = ELEMENT_WRAPPER_START "<require-instance value=\"invalid\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &type, NULL, NULL), LY_EVALID);
+    memset(&type, 0, sizeof(type));
+    CHECK_LOG_CTX("Invalid value \"invalid\" of \"value\" attribute in \"require-instance\" element. "
+            "Valid values are \"true\" and \"false\".", "Line number 1.");
+}
+
+static void
+test_revision_date_elem(void **state)
+{
+    const char *data;
+    char rev[LY_REV_SIZE];
+
+    data = ELEMENT_WRAPPER_START "<revision-date date=\"2000-01-01\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, rev, NULL, NULL), LY_SUCCESS);
+    assert_string_equal(rev, "2000-01-01");
+
+    data = ELEMENT_WRAPPER_START "<revision-date date=\"2000-50-05\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, rev, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"2000-50-05\" of \"revision-date\".", "Line number 1.");
+}
+
+static void
+test_unique_elem(void **state)
+{
+    const char *data;
+    const char **values = NULL;
+
+    data = ELEMENT_WRAPPER_START "<unique tag=\"tag\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &values, NULL, NULL), LY_SUCCESS);
+    assert_string_equal(*values, "tag");
+    lydict_remove(UTEST_LYCTX, *values);
+    LY_ARRAY_FREE(values);
+    values = NULL;
+}
+
+static void
+test_units_elem(void **state)
+{
+    const char *data;
+    const char *values = NULL;
+
+    data = ELEMENT_WRAPPER_START "<units name=\"name\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &values, NULL, NULL), LY_SUCCESS);
+    assert_string_equal(values, "name");
+    lydict_remove(UTEST_LYCTX, values);
+    values = NULL;
+}
+
+static void
+test_yin_text_value_elem(void **state)
+{
+    const char *data;
+    const char *val;
+
+    data = ELEMENT_WRAPPER_START "<text>text</text>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &val, NULL, NULL), LY_SUCCESS);
+    assert_string_equal(val, "text");
+    lydict_remove(UTEST_LYCTX, val);
+
+    data = "<error-message xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"> <value>text</value> </error-message>";
+    assert_int_equal(test_element_helper(state, data, &val, NULL, NULL), LY_SUCCESS);
+    assert_string_equal(val, "text");
+    lydict_remove(UTEST_LYCTX, val);
+
+    data = ELEMENT_WRAPPER_START "<text></text>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &val, NULL, NULL), LY_SUCCESS);
+    assert_string_equal("", val);
+    lydict_remove(UTEST_LYCTX, val);
+}
+
+static void
+test_type_elem(void **state)
+{
+    const char *data;
+    struct lysp_type type = {0};
+
+    /* max subelems */
+    data = ELEMENT_WRAPPER_START
+            "<type name=\"type-name\">\n"
+            "    <base name=\"base-name\"/>\n"
+            "    <bit name=\"bit\"/>\n"
+            "    <enum name=\"enum\"/>\n"
+            "    <fraction-digits value=\"2\"/>\n"
+            "    <length value=\"length\"/>\n"
+            "    <path value=\"/path\"/>\n"
+            "    <pattern value=\"pattern\"/>\n"
+            "    <range value=\"range\" />\n"
+            "    <require-instance value=\"true\"/>\n"
+            "    <type name=\"sub-type-name\"/>\n"
+            EXT_SUBELEM
+            "</type>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &type, NULL, NULL), LY_SUCCESS);
+    assert_string_equal(type.name, "type-name");
+    assert_string_equal(*type.bases, "base-name");
+    assert_string_equal(type.bits->name,  "bit");
+    assert_string_equal(type.enums->name,  "enum");
+    assert_int_equal(type.fraction_digits, 2);
+    CHECK_LYSP_RESTR(type.length, "length", NULL,
+            NULL, NULL, 0, NULL);
+    assert_string_equal(type.path->expr, "/path");
+    CHECK_LYSP_RESTR(type.patterns, "\006pattern", NULL,
+            NULL, NULL, 0, NULL);
+    CHECK_LYSP_RESTR(type.range, "range", NULL,
+            NULL, NULL, 0, NULL);
+    assert_int_equal(type.require_instance, 1);
+    assert_string_equal(type.types->name, "sub-type-name");
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(type.exts[0]), LY_STMT_TYPE);
+    assert_true(type.flags & LYS_SET_BASE);
+    assert_true(type.flags & LYS_SET_BIT);
+    assert_true(type.flags & LYS_SET_ENUM);
+    assert_true(type.flags & LYS_SET_FRDIGITS);
+    assert_true(type.flags & LYS_SET_LENGTH);
+    assert_true(type.flags & LYS_SET_PATH);
+    assert_true(type.flags & LYS_SET_PATTERN);
+    assert_true(type.flags & LYS_SET_RANGE);
+    assert_true(type.flags & LYS_SET_REQINST);
+    assert_true(type.flags & LYS_SET_TYPE);
+    lysp_type_free(&fctx, &type);
+    memset(&type, 0, sizeof(type));
+
+    /* min subelems */
+    data = ELEMENT_WRAPPER_START "<type name=\"type-name\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &type, NULL, NULL), LY_SUCCESS);
+    lysp_type_free(&fctx, &type);
+    memset(&type, 0, sizeof(type));
+}
+
+static void
+test_max_elems_elem(void **state)
+{
+    const char *data;
+    struct lysp_node_list list = {0};
+    struct lysp_refine refine = {0};
+
+    data = "<refine xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"> <max-elements value=\"10\"/> </refine>";
+    assert_int_equal(test_element_helper(state, data, &refine, NULL, NULL), LY_SUCCESS);
+    assert_int_equal(refine.max, 10);
+    assert_true(refine.flags & LYS_SET_MAX);
+
+    data = "<list xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"> <max-elements value=\"0\"/> </list>";
+    assert_int_equal(test_element_helper(state, data, &list, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"0\" of \"value\" attribute in \"max-elements\" element.", "Line number 1.");
+
+    data = "<list xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"> <max-elements value=\"-10\"/> </list>";
+    assert_int_equal(test_element_helper(state, data, &list, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"-10\" of \"value\" attribute in \"max-elements\" element.", "Line number 1.");
+
+    data = "<list xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"> <max-elements value=\"k\"/> </list>";
+    assert_int_equal(test_element_helper(state, data, &list, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"k\" of \"value\" attribute in \"max-elements\" element.", "Line number 1.");
+
+    data = "<list xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"> <max-elements value=\"u12\"/> </list>";
+    assert_int_equal(test_element_helper(state, data, &list, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"u12\" of \"value\" attribute in \"max-elements\" element.", "Line number 1.");
+}
+
+static void
+test_min_elems_elem(void **state)
+{
+    const char *data;
+    struct lysp_node_leaflist llist = {0};
+
+    data = "<leaf-list xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"> <min-elements value=\"-5\"/> </leaf-list>";
+    assert_int_equal(test_element_helper(state, data, &llist, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Value \"-5\" of \"value\" attribute in \"min-elements\" element is out of bounds.", "Line number 1.");
+
+    data = "<leaf-list xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"> <min-elements value=\"99999999999999999\"/> </leaf-list>";
+    assert_int_equal(test_element_helper(state, data, &llist, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Value \"99999999999999999\" of \"value\" attribute in \"min-elements\" element is out of bounds.", "Line number 1.");
+
+    data = "<leaf-list xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"> <min-elements value=\"5k\"/> </leaf-list>";
+    assert_int_equal(test_element_helper(state, data, &llist, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"5k\" of \"value\" attribute in \"min-elements\" element.", "Line number 1.");
+
+    data = "<leaf-list xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\"> <min-elements value=\"05\"/> </leaf-list>";
+    assert_int_equal(test_element_helper(state, data, &llist, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"05\" of \"value\" attribute in \"min-elements\" element.", "Line number 1.");
+}
+
+static void
+test_ordby_elem(void **state)
+{
+    const char *data;
+    uint16_t flags = 0;
+
+    data = ELEMENT_WRAPPER_START "<ordered-by value=\"user\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &flags, NULL, NULL), LY_SUCCESS);
+    assert_true(flags & LYS_ORDBY_USER);
+
+    data = ELEMENT_WRAPPER_START "<ordered-by value=\"inv\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &flags, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"inv\" of \"value\" attribute in \"ordered-by\" element. "
+            "Valid values are \"system\" and \"user\".", "Line number 1.");
+}
+
+static void
+test_any_elem(void **state)
+{
+    const char *data;
+    struct lysp_node *siblings = NULL;
+    struct tree_node_meta node_meta = {.parent = NULL, .nodes = &siblings};
+    struct lysp_node_anydata *parsed = NULL;
+    uint16_t flags;
+
+    /* anyxml max subelems */
+    data = ELEMENT_WRAPPER_START
+            "<anyxml name=\"any-name\">\n"
+            "    <config value=\"true\" />\n"
+            "    <description><text>desc</text></description>\n"
+            "    <if-feature name=\"feature\" />\n"
+            "    <mandatory value=\"true\" />\n"
+            "    <must condition=\"must-cond\" />\n"
+            "    <reference><text>ref</text></reference>\n"
+            "    <status value=\"deprecated\"/>\n"
+            "    <when condition=\"when-cond\"/>\n"
+            EXT_SUBELEM
+            "</anyxml>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_SUCCESS);
+    parsed = (struct lysp_node_anydata *)siblings;
+    flags = LYS_CONFIG_W | LYS_MAND_TRUE | LYS_STATUS_DEPRC;
+    CHECK_LYSP_NODE(parsed, "desc", 1, flags, 1,
+            "any-name", 0, LYS_ANYXML, 0, "ref", 1);
+    CHECK_LYSP_WHEN(parsed->when, "when-cond", NULL, 0, NULL);
+    assert_string_equal(parsed->iffeatures[0].str, "feature");
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(parsed->exts[0]), LY_STMT_ANYXML);
+    lysp_node_free(&fctx, siblings);
+    siblings = NULL;
+
+    /* anydata max subelems */
+    data = ELEMENT_WRAPPER_START
+            "<anydata name=\"any-name\">\n"
+            "    <config value=\"true\" />\n"
+            "    <description><text>desc</text></description>\n"
+            "    <if-feature name=\"feature\" />\n"
+            "    <mandatory value=\"true\" />\n"
+            "    <must condition=\"must-cond\" />\n"
+            "    <reference><text>ref</text></reference>\n"
+            "    <status value=\"deprecated\"/>\n"
+            "    <when condition=\"when-cond\"/>\n"
+            EXT_SUBELEM
+            "</anydata>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_SUCCESS);
+    parsed = (struct lysp_node_anydata *)siblings;
+    flags = LYS_CONFIG_W | LYS_MAND_TRUE | LYS_STATUS_DEPRC;
+    CHECK_LYSP_NODE(parsed, "desc", 1, flags, 1,
+            "any-name", 0, LYS_ANYDATA, 0, "ref", 1);
+    CHECK_LYSP_WHEN(parsed->when, "when-cond", NULL, 0, NULL);
+    assert_string_equal(parsed->iffeatures[0].str, "feature");
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(parsed->exts[0]), LY_STMT_ANYDATA);
+    lysp_node_free(&fctx, siblings);
+    siblings = NULL;
+
+    /* min subelems */
+    node_meta.parent = (void *)0x10;
+    data = ELEMENT_WRAPPER_START "<anydata name=\"any-name\"> </anydata>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_SUCCESS);
+    parsed = (struct lysp_node_anydata *)siblings;
+    assert_ptr_equal(parsed->parent, node_meta.parent);
+    CHECK_LYSP_NODE(parsed, NULL, 0, 0, 0,
+            "any-name", 0, LYS_ANYDATA, 1, NULL, 0);
+    lysp_node_free(&fctx, siblings);
+}
+
+static void
+test_leaf_elem(void **state)
+{
+    const char *data;
+    struct lysp_node *siblings = NULL;
+    struct tree_node_meta node_meta = {.parent = NULL, .nodes = &siblings};
+    struct lysp_node_leaf *parsed = NULL;
+    uint16_t flags;
+
+    /* max elements */
+    data = ELEMENT_WRAPPER_START
+            "<leaf name=\"leaf\">\n"
+            "    <config value=\"true\" />\n"
+            "    <default value=\"def-val\"/>\n"
+            "    <description><text>desc</text></description>\n"
+            "    <if-feature name=\"feature\" />\n"
+            "    <mandatory value=\"true\" />\n"
+            "    <must condition=\"must-cond\" />\n"
+            "    <reference><text>ref</text></reference>\n"
+            "    <status value=\"deprecated\"/>\n"
+            "    <type name=\"type\"/>\n"
+            "    <units name=\"uni\"/>\n"
+            "    <when condition=\"when-cond\"/>\n"
+            EXT_SUBELEM
+            "</leaf>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_SUCCESS);
+    parsed = (struct lysp_node_leaf *)siblings;
+    flags = LYS_CONFIG_W | LYS_MAND_TRUE | LYS_STATUS_DEPRC;
+    CHECK_LYSP_NODE(parsed, "desc", 1, flags, 1,
+            "leaf", 0, LYS_LEAF, 0, "ref", 1);
+    CHECK_LYSP_WHEN(parsed->when, "when-cond", NULL, 0, NULL);
+    assert_string_equal(parsed->iffeatures[0].str, "feature");
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(parsed->exts[0]), LY_STMT_LEAF);
+    assert_string_equal(parsed->musts->arg.str, "must-cond");
+    assert_string_equal(parsed->type.name, "type");
+    assert_string_equal(parsed->units, "uni");
+    assert_string_equal(parsed->dflt.str, "def-val");
+    lysp_node_free(&fctx, siblings);
+    siblings = NULL;
+
+    /* min elements */
+    data = ELEMENT_WRAPPER_START "<leaf name=\"leaf\"> <type name=\"type\"/> </leaf>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_SUCCESS);
+    parsed = (struct lysp_node_leaf *)siblings;
+    assert_string_equal(parsed->name, "leaf");
+    assert_string_equal(parsed->type.name, "type");
+    lysp_node_free(&fctx, siblings);
+    siblings = NULL;
+}
+
+static void
+test_leaf_list_elem(void **state)
+{
+    const char *data;
+    struct lysp_node *siblings = NULL;
+    struct tree_node_meta node_meta = {.parent = NULL, .nodes = &siblings};
+    struct lysp_node_leaflist *parsed = NULL;
+    uint16_t flags;
+
+    data = ELEMENT_WRAPPER_START
+            "<leaf-list name=\"llist\">\n"
+            "    <config value=\"true\" />\n"
+            "    <default value=\"def-val0\"/>\n"
+            "    <default value=\"def-val1\"/>\n"
+            "    <description><text>desc</text></description>\n"
+            "    <if-feature name=\"feature\"/>\n"
+            "    <max-elements value=\"5\"/>\n"
+            "    <must condition=\"must-cond\"/>\n"
+            "    <ordered-by value=\"user\" />\n"
+            "    <reference><text>ref</text></reference>\n"
+            "    <status value=\"current\"/>\n"
+            "    <type name=\"type\"/>\n"
+            "    <units name=\"uni\"/>\n"
+            "    <when condition=\"when-cond\"/>\n"
+            EXT_SUBELEM
+            "</leaf-list>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_SUCCESS);
+    parsed = (struct lysp_node_leaflist *)siblings;
+    flags = LYS_CONFIG_W | LYS_ORDBY_USER | LYS_STATUS_CURR | LYS_SET_MAX;
+    CHECK_LYSP_NODE(parsed, "desc", 1, flags, 1,
+            "llist", 0, LYS_LEAFLIST, 0, "ref", 1);
+    CHECK_LYSP_RESTR(parsed->musts, "must-cond", NULL, NULL, NULL, 0, NULL);
+    assert_string_equal(parsed->dflts[0].str, "def-val0");
+    assert_string_equal(parsed->dflts[1].str, "def-val1");
+    assert_string_equal(parsed->iffeatures[0].str, "feature");
+    assert_int_equal(parsed->max, 5);
+    assert_string_equal(parsed->type.name, "type");
+    assert_string_equal(parsed->units, "uni");
+    CHECK_LYSP_WHEN(parsed->when, "when-cond", NULL, 0, NULL);
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(parsed->exts[0]), LY_STMT_LEAF_LIST);
+    lysp_node_free(&fctx, siblings);
+    siblings = NULL;
+
+    data = ELEMENT_WRAPPER_START
+            "<leaf-list name=\"llist\">\n"
+            "    <config value=\"true\" />\n"
+            "    <description><text>desc</text></description>\n"
+            "    <if-feature name=\"feature\"/>\n"
+            "    <min-elements value=\"5\"/>\n"
+            "    <must condition=\"must-cond\"/>\n"
+            "    <ordered-by value=\"user\" />\n"
+            "    <reference><text>ref</text></reference>\n"
+            "    <status value=\"current\"/>\n"
+            "    <type name=\"type\"/>\n"
+            "    <units name=\"uni\"/>\n"
+            "    <when condition=\"when-cond\"/>\n"
+            EXT_SUBELEM
+            "</leaf-list>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_SUCCESS);
+    parsed = (struct lysp_node_leaflist *)siblings;
+    flags = LYS_CONFIG_W | LYS_ORDBY_USER | LYS_STATUS_CURR | LYS_SET_MIN;
+    CHECK_LYSP_NODE(parsed, "desc", 1, flags, 1,
+            "llist", 0, LYS_LEAFLIST, 0, "ref", 1);
+    CHECK_LYSP_RESTR(parsed->musts, "must-cond", NULL, NULL, NULL, 0, NULL);
+    CHECK_LYSP_WHEN(parsed->when, "when-cond", NULL, 0, NULL);
+    assert_string_equal(parsed->iffeatures[0].str, "feature");
+    assert_int_equal(parsed->min, 5);
+    assert_string_equal(parsed->type.name, "type");
+    assert_string_equal(parsed->units, "uni");
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(parsed->exts[0]), LY_STMT_LEAF_LIST);
+    lysp_node_free(&fctx, siblings);
+    siblings = NULL;
+
+    data = ELEMENT_WRAPPER_START
+            "<leaf-list name=\"llist\">\n"
+            "    <config value=\"true\" />\n"
+            "    <description><text>desc</text></description>\n"
+            "    <if-feature name=\"feature\"/>\n"
+            "    <max-elements value=\"15\"/>\n"
+            "    <min-elements value=\"5\"/>\n"
+            "    <must condition=\"must-cond\"/>\n"
+            "    <ordered-by value=\"user\" />\n"
+            "    <reference><text>ref</text></reference>\n"
+            "    <status value=\"current\"/>\n"
+            "    <type name=\"type\"/>\n"
+            "    <units name=\"uni\"/>\n"
+            "    <when condition=\"when-cond\"/>\n"
+            "</leaf-list>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_SUCCESS);
+    parsed = (struct lysp_node_leaflist *)siblings;
+    flags = LYS_CONFIG_W | LYS_ORDBY_USER | LYS_STATUS_CURR | LYS_SET_MIN | LYS_SET_MAX;
+    CHECK_LYSP_NODE(parsed, "desc", 0, flags, 1,
+            "llist", 0, LYS_LEAFLIST, 0, "ref", 1);
+    CHECK_LYSP_RESTR(parsed->musts, "must-cond", NULL, NULL, NULL, 0, NULL);
+    CHECK_LYSP_WHEN(parsed->when, "when-cond", NULL, 0, NULL);
+    assert_string_equal(parsed->iffeatures[0].str, "feature");
+    assert_int_equal(parsed->min, 5);
+    assert_int_equal(parsed->max, 15);
+    assert_string_equal(parsed->type.name, "type");
+    assert_string_equal(parsed->units, "uni");
+    lysp_node_free(&fctx, siblings);
+    siblings = NULL;
+
+    data = ELEMENT_WRAPPER_START
+            "<leaf-list name=\"llist\">\n"
+            "    <type name=\"type\"/>\n"
+            "</leaf-list>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_SUCCESS);
+    parsed = (struct lysp_node_leaflist *)siblings;
+    assert_string_equal(parsed->name, "llist");
+    assert_string_equal(parsed->type.name, "type");
+    lysp_node_free(&fctx, siblings);
+    siblings = NULL;
+
+    /* invalid combinations */
+    data = ELEMENT_WRAPPER_START
+            "<leaf-list name=\"llist\">\n"
+            "    <max-elements value=\"5\"/>\n"
+            "    <min-elements value=\"15\"/>\n"
+            "    <type name=\"type\"/>"
+            "</leaf-list>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid combination of min-elements and max-elements: min value 15 is bigger than the max value 5.", "Line number 4.");
+    lysp_node_free(&fctx, siblings);
+    siblings = NULL;
+
+    data = ELEMENT_WRAPPER_START
+            "<leaf-list name=\"llist\">\n"
+            "    <default value=\"def-val1\"/>\n"
+            "    <min-elements value=\"15\"/>\n"
+            "    <type name=\"type\"/>\n"
+            "</leaf-list>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid combination of sub-elemnts \"min-elements\" and \"default\" in \"leaf-list\" element.", "Line number 5.");
+    lysp_node_free(&fctx, siblings);
+    siblings = NULL;
+
+    data = ELEMENT_WRAPPER_START
+            "<leaf-list name=\"llist\">"
+            "</leaf-list>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Missing mandatory sub-element \"type\" of \"leaf-list\" element.", "Line number 1.");
+    lysp_node_free(&fctx, siblings);
+    siblings = NULL;
+}
+
+static void
+test_presence_elem(void **state)
+{
+    const char *data;
+    const char *val;
+
+    data = ELEMENT_WRAPPER_START "<presence value=\"presence-val\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &val, NULL, NULL), LY_SUCCESS);
+    assert_string_equal(val, "presence-val");
+    lydict_remove(UTEST_LYCTX, val);
+
+    data = ELEMENT_WRAPPER_START "<presence/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &val, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Missing mandatory attribute value of presence element.", "Line number 1.");
+}
+
+static void
+test_key_elem(void **state)
+{
+    const char *data;
+    const char *val;
+
+    data = ELEMENT_WRAPPER_START "<key value=\"key-value\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &val, NULL, NULL), LY_SUCCESS);
+    assert_string_equal(val, "key-value");
+    lydict_remove(UTEST_LYCTX, val);
+
+    data = ELEMENT_WRAPPER_START "<key/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &val, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Missing mandatory attribute value of key element.", "Line number 1.");
+}
+
+static void
+test_uses_elem(void **state)
+{
+    const char *data;
+    struct lysp_node *siblings = NULL;
+    struct tree_node_meta node_meta = {NULL, &siblings};
+    struct lysp_node_uses *parsed = NULL;
+
+    /* max subelems */
+    data = ELEMENT_WRAPPER_START
+            "<uses name=\"uses-name\">\n"
+            "    <when condition=\"cond\" />\n"
+            "    <if-feature name=\"feature\" />\n"
+            "    <status value=\"obsolete\" />\n"
+            "    <description><text>desc</text></description>\n"
+            "    <reference><text>ref</text></reference>\n"
+            "    <refine target-node=\"target\"/>\n"
+            "    <augment target-node=\"target\" />\n"
+            EXT_SUBELEM
+            "</uses>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_SUCCESS);
+    parsed = (struct lysp_node_uses *)&siblings[0];
+    CHECK_LYSP_NODE(parsed, "desc", 1, LYS_STATUS_OBSLT, 1,
+            "uses-name", 0, LYS_USES, 0, "ref", 1);
+    CHECK_LYSP_WHEN(parsed->when, "cond", NULL, 0, NULL);
+    assert_string_equal(parsed->iffeatures[0].str, "feature");
+    assert_string_equal(parsed->refines->nodeid, "target");
+    assert_string_equal(parsed->augments->nodeid, "target");
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(parsed->exts[0]), LY_STMT_USES);
+    lysp_node_free(&fctx, siblings);
+    siblings = NULL;
+
+    /* min subelems */
+    data = ELEMENT_WRAPPER_START "<uses name=\"uses-name\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_SUCCESS);
+    assert_string_equal(siblings[0].name, "uses-name");
+    lysp_node_free(&fctx, siblings);
+    siblings = NULL;
+}
+
+static void
+test_list_elem(void **state)
+{
+    const char *data;
+    struct lysp_node *siblings = NULL;
+    struct tree_node_meta node_meta = {NULL, &siblings};
+    struct lysp_node_list *parsed = NULL;
+
+    /* max subelems */
+    data = ELEMENT_WRAPPER_START
+            "<list name=\"list-name\">\n"
+            "    <when condition=\"when\"/>\n"
+            "    <if-feature name=\"iff\"/>\n"
+            "    <must condition=\"must-cond\"/>\n"
+            "    <key value=\"key\"/>\n"
+            "    <unique tag=\"utag\"/>\n"
+            "    <config value=\"true\"/>\n"
+            "    <min-elements value=\"10\"/>\n"
+            "    <ordered-by value=\"user\"/>\n"
+            "    <status value=\"deprecated\"/>\n"
+            "    <description><text>desc</text></description>\n"
+            "    <reference><text>ref</text></reference>\n"
+            "    <anydata name=\"anyd\"/>\n"
+            "    <anyxml name=\"anyx\"/>\n"
+            "    <container name=\"cont\"/>\n"
+            "    <choice name=\"choice\"/>\n"
+            "    <action name=\"action\"/>\n"
+            "    <grouping name=\"grp\"/>\n"
+            "    <notification name=\"notf\"/>\n"
+            "    <leaf name=\"leaf\"> <type name=\"type\"/> </leaf>\n"
+            "    <leaf-list name=\"llist\"> <type name=\"type\"/> </leaf-list>\n"
+            "    <list name=\"sub-list\"/>\n"
+            "    <typedef name=\"tpdf\"> <type name=\"type\"/> </typedef>\n"
+            "    <uses name=\"uses-name\"/>\n"
+            EXT_SUBELEM
+            "</list>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_SUCCESS);
+    parsed = (struct lysp_node_list *)&siblings[0];
+    assert_string_equal(parsed->child->name, "anyd");
+    assert_int_equal(parsed->child->nodetype, LYS_ANYDATA);
+    assert_string_equal(parsed->child->next->name, "anyx");
+    assert_int_equal(parsed->child->next->nodetype, LYS_ANYXML);
+    assert_string_equal(parsed->child->next->next->name, "cont");
+    assert_int_equal(parsed->child->next->next->nodetype, LYS_CONTAINER);
+    assert_string_equal(parsed->child->next->next->next->name, "choice");
+    assert_int_equal(parsed->child->next->next->next->nodetype, LYS_CHOICE);
+    assert_string_equal(parsed->child->next->next->next->next->name, "leaf");
+    assert_int_equal(parsed->child->next->next->next->next->nodetype, LYS_LEAF);
+    assert_string_equal(parsed->child->next->next->next->next->next->name, "llist");
+    assert_int_equal(parsed->child->next->next->next->next->next->nodetype, LYS_LEAFLIST);
+    assert_string_equal(parsed->child->next->next->next->next->next->next->name, "sub-list");
+    assert_int_equal(parsed->child->next->next->next->next->next->next->nodetype, LYS_LIST);
+    assert_string_equal(parsed->child->next->next->next->next->next->next->next->name, "uses-name");
+    assert_int_equal(parsed->child->next->next->next->next->next->next->next->nodetype, LYS_USES);
+    assert_null(parsed->child->next->next->next->next->next->next->next->next);
+    uint16_t flags = LYS_ORDBY_USER | LYS_STATUS_DEPRC | LYS_CONFIG_W | LYS_SET_MIN;
+
+    CHECK_LYSP_NODE(parsed, "desc", 1, flags, 1,
+            "list-name", 0, LYS_LIST, 0, "ref", 1);
+    CHECK_LYSP_RESTR(parsed->musts, "must-cond", NULL, NULL, NULL, 0, NULL);
+    CHECK_LYSP_WHEN(parsed->when, "when", NULL, 0, NULL);
+    assert_string_equal(parsed->groupings->name, "grp");
+    assert_string_equal(parsed->actions->name, "action");
+    assert_int_equal(parsed->groupings->nodetype, LYS_GROUPING);
+    assert_string_equal(parsed->notifs->name, "notf");
+    assert_string_equal(parsed->iffeatures[0].str, "iff");
+    assert_string_equal(parsed->key, "key");
+    assert_int_equal(parsed->min, 10);
+    assert_string_equal(parsed->typedefs->name, "tpdf");
+    assert_string_equal(parsed->uniques->str, "utag");
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(parsed->exts[0]), LY_STMT_LIST);
+    lysp_node_free(&fctx, siblings);
+    ly_set_erase(&YCTX->tpdfs_nodes, NULL);
+    siblings = NULL;
+
+    /* min subelems */
+    data = ELEMENT_WRAPPER_START "<list name=\"list-name\" />" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_SUCCESS);
+    parsed = (struct lysp_node_list *)&siblings[0];
+    CHECK_LYSP_NODE(parsed, NULL, 0, 0, 0,
+            "list-name", 0, LYS_LIST, 0, NULL, 0);
+    lysp_node_free(&fctx, siblings);
+    siblings = NULL;
+}
+
+static void
+test_notification_elem(void **state)
+{
+    const char *data;
+    struct lysp_node_notif *notifs = NULL;
+    struct tree_node_meta notif_meta = {NULL, (struct lysp_node **)&notifs};
+
+    /* max subelems */
+    PARSER_CUR_PMOD(YCTX)->version = LYS_VERSION_1_1;
+    data = ELEMENT_WRAPPER_START
+            "<notification name=\"notif-name\">\n"
+            "    <anydata name=\"anyd\"/>\n"
+            "    <anyxml name=\"anyx\"/>\n"
+            "    <description><text>desc</text></description>\n"
+            "    <if-feature name=\"iff\"/>\n"
+            "    <leaf name=\"leaf\"> <type name=\"type\"/> </leaf>\n"
+            "    <leaf-list name=\"llist\"> <type name=\"type\"/> </leaf-list>\n"
+            "    <list name=\"sub-list\"/>\n"
+            "    <must condition=\"cond\"/>\n"
+            "    <reference><text>ref</text></reference>\n"
+            "    <status value=\"deprecated\"/>\n"
+            "    <typedef name=\"tpdf\"> <type name=\"type\"/> </typedef>\n"
+            "    <uses name=\"uses-name\"/>\n"
+            "    <container name=\"cont\"/>\n"
+            "    <choice name=\"choice\"/>\n"
+            "    <grouping name=\"grp\"/>\n"
+            EXT_SUBELEM
+            "</notification>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &notif_meta, NULL, NULL), LY_SUCCESS);
+    assert_string_equal(notifs->name, "notif-name");
+    assert_string_equal(notifs->child->name, "anyd");
+    assert_int_equal(notifs->child->nodetype, LYS_ANYDATA);
+    assert_string_equal(notifs->child->next->name, "anyx");
+    assert_int_equal(notifs->child->next->nodetype, LYS_ANYXML);
+    assert_string_equal(notifs->child->next->next->name, "leaf");
+    assert_int_equal(notifs->child->next->next->nodetype, LYS_LEAF);
+    assert_string_equal(notifs->child->next->next->next->name, "llist");
+    assert_int_equal(notifs->child->next->next->next->nodetype, LYS_LEAFLIST);
+    assert_string_equal(notifs->child->next->next->next->next->name, "sub-list");
+    assert_int_equal(notifs->child->next->next->next->next->nodetype, LYS_LIST);
+    assert_true(notifs->flags & LYS_STATUS_DEPRC);
+    assert_string_equal(notifs->groupings->name, "grp");
+    assert_int_equal(notifs->groupings->nodetype, LYS_GROUPING);
+    assert_string_equal(notifs->child->next->next->next->next->next->name, "uses-name");
+    assert_int_equal(notifs->child->next->next->next->next->next->nodetype, LYS_USES);
+    assert_string_equal(notifs->child->next->next->next->next->next->next->name, "cont");
+    assert_int_equal(notifs->child->next->next->next->next->next->next->nodetype, LYS_CONTAINER);
+    assert_int_equal(notifs->child->next->next->next->next->next->next->next->nodetype, LYS_CHOICE);
+    assert_string_equal(notifs->child->next->next->next->next->next->next->next->name, "choice");
+    assert_null(notifs->child->next->next->next->next->next->next->next->next);
+    assert_string_equal(notifs->iffeatures[0].str, "iff");
+    assert_string_equal(notifs->musts->arg.str, "cond");
+    assert_int_equal(notifs->nodetype, LYS_NOTIF);
+    assert_null(notifs->parent);
+    assert_string_equal(notifs->ref, "ref");
+    assert_string_equal(notifs->typedefs->name, "tpdf");
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(notifs->exts[0]), LY_STMT_NOTIFICATION);
+    lysp_node_free(&fctx, (struct lysp_node *)notifs);
+    notifs = NULL;
+
+    /* min subelems */
+    data = ELEMENT_WRAPPER_START "<notification name=\"notif-name\" />" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &notif_meta, NULL, NULL), LY_SUCCESS);
+    assert_string_equal(notifs->name, "notif-name");
+    lysp_node_free(&fctx, (struct lysp_node *)notifs);
+    notifs = NULL;
+}
+
+static void
+test_grouping_elem(void **state)
+{
+    const char *data;
+    struct lysp_node_grp *grps = NULL;
+    struct tree_node_meta grp_meta = {NULL, (struct lysp_node **)&grps};
+
+    /* max subelems */
+    data = ELEMENT_WRAPPER_START
+            "<grouping name=\"grp-name\">\n"
+            "    <anydata name=\"anyd\"/>\n"
+            "    <anyxml name=\"anyx\"/>\n"
+            "    <description><text>desc</text></description>\n"
+            "    <grouping name=\"sub-grp\"/>\n"
+            "    <leaf name=\"leaf\"> <type name=\"type\"/> </leaf>\n"
+            "    <leaf-list name=\"llist\"> <type name=\"type\"/> </leaf-list>\n"
+            "    <list name=\"list\"/>\n"
+            "    <notification name=\"notf\"/>\n"
+            "    <reference><text>ref</text></reference>\n"
+            "    <status value=\"current\"/>\n"
+            "    <typedef name=\"tpdf\"> <type name=\"type\"/> </typedef>\n"
+            "    <uses name=\"uses-name\"/>\n"
+            "    <action name=\"act\"/>\n"
+            "    <container name=\"cont\"/>\n"
+            "    <choice name=\"choice\"/>\n"
+            EXT_SUBELEM
+            "</grouping>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &grp_meta, NULL, NULL), LY_SUCCESS);
+    assert_string_equal(grps->name, "grp-name");
+    assert_string_equal(grps->child->name, "anyd");
+    assert_string_equal(grps->child->next->name, "anyx");
+    assert_string_equal(grps->child->next->next->name, "leaf");
+    assert_string_equal(grps->child->next->next->next->name, "llist");
+    assert_string_equal(grps->child->next->next->next->next->name, "list");
+    assert_string_equal(grps->dsc, "desc");
+    assert_true(grps->flags & LYS_STATUS_CURR);
+    assert_string_equal(grps->groupings->name, "sub-grp");
+    assert_int_equal(grps->nodetype, LYS_GROUPING);
+    assert_string_equal(grps->notifs->name, "notf");
+    assert_null(grps->parent);
+    assert_string_equal(grps->ref, "ref");
+    assert_string_equal(grps->typedefs->name, "tpdf");
+    assert_string_equal(grps->actions->name, "act");
+    assert_string_equal(grps->child->next->next->next->next->next->name, "uses-name");
+    assert_int_equal(grps->child->next->next->next->next->next->nodetype, LYS_USES);
+    assert_string_equal(grps->child->next->next->next->next->next->next->name, "cont");
+    assert_int_equal(grps->child->next->next->next->next->next->next->nodetype, LYS_CONTAINER);
+    assert_string_equal(grps->child->next->next->next->next->next->next->next->name, "choice");
+    assert_int_equal(grps->child->next->next->next->next->next->next->next->nodetype, LYS_CHOICE);
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(grps->exts[0]), LY_STMT_GROUPING);
+    lysp_node_free(&fctx, &grps->node);
+    grps = NULL;
+
+    /* min subelems */
+    data = ELEMENT_WRAPPER_START "<grouping name=\"grp-name\" />" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &grp_meta, NULL, NULL), LY_SUCCESS);
+    assert_string_equal(grps->name, "grp-name");
+    lysp_node_free(&fctx, &grps->node);
+    grps = NULL;
+}
+
+static void
+test_container_elem(void **state)
+{
+    const char *data;
+    struct lysp_node *siblings = NULL;
+    struct tree_node_meta node_meta = {NULL, &siblings};
+    struct lysp_node_container *parsed = NULL;
+
+    /* max subelems */
+    PARSER_CUR_PMOD(YCTX)->version = LYS_VERSION_1_1;
+    data = ELEMENT_WRAPPER_START
+            "<container name=\"cont-name\">\n"
+            "    <anydata name=\"anyd\"/>\n"
+            "    <anyxml name=\"anyx\"/>\n"
+            "    <config value=\"true\"/>\n"
+            "    <container name=\"subcont\"/>\n"
+            "    <description><text>desc</text></description>\n"
+            "    <grouping name=\"sub-grp\"/>\n"
+            "    <if-feature name=\"iff\"/>\n"
+            "    <leaf name=\"leaf\"> <type name=\"type\"/> </leaf>\n"
+            "    <leaf-list name=\"llist\"> <type name=\"type\"/> </leaf-list>\n"
+            "    <list name=\"list\"/>\n"
+            "    <must condition=\"cond\"/>\n"
+            "    <notification name=\"notf\"/>\n"
+            "    <presence value=\"presence\"/>\n"
+            "    <reference><text>ref</text></reference>\n"
+            "    <status value=\"current\"/>\n"
+            "    <typedef name=\"tpdf\"> <type name=\"type\"/> </typedef>\n"
+            "    <uses name=\"uses-name\"/>\n"
+            "    <when condition=\"when-cond\"/>\n"
+            "    <action name=\"act\"/>\n"
+            "    <choice name=\"choice\"/>\n"
+            EXT_SUBELEM
+            "</container>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_SUCCESS);
+    parsed = (struct lysp_node_container *)siblings;
+    uint16_t flags = LYS_CONFIG_W | LYS_STATUS_CURR;
+
+    CHECK_LYSP_NODE(parsed, "desc", 1, flags, 1,
+            "cont-name", 0, LYS_CONTAINER, 0, "ref", 1);
+    CHECK_LYSP_RESTR(parsed->musts, "cond", NULL, NULL, NULL, 0, NULL);
+    CHECK_LYSP_WHEN(parsed->when, "when-cond", NULL, 0, NULL);
+
+    assert_string_equal(parsed->iffeatures[0].str, "iff");
+    assert_string_equal(parsed->presence, "presence");
+    assert_string_equal(parsed->typedefs->name, "tpdf");
+    assert_string_equal(parsed->groupings->name, "sub-grp");
+    assert_string_equal(parsed->child->name, "anyd");
+    assert_int_equal(parsed->child->nodetype, LYS_ANYDATA);
+    assert_string_equal(parsed->child->next->name, "anyx");
+    assert_int_equal(parsed->child->next->nodetype, LYS_ANYXML);
+    assert_string_equal(parsed->child->next->next->name, "subcont");
+    assert_int_equal(parsed->child->next->next->nodetype, LYS_CONTAINER);
+    assert_string_equal(parsed->child->next->next->next->name, "leaf");
+    assert_int_equal(parsed->child->next->next->next->nodetype, LYS_LEAF);
+    assert_string_equal(parsed->child->next->next->next->next->name, "llist");
+    assert_int_equal(parsed->child->next->next->next->next->nodetype, LYS_LEAFLIST);
+    assert_string_equal(parsed->child->next->next->next->next->next->name, "list");
+    assert_int_equal(parsed->child->next->next->next->next->next->nodetype, LYS_LIST);
+    assert_string_equal(parsed->child->next->next->next->next->next->next->name, "uses-name");
+    assert_int_equal(parsed->child->next->next->next->next->next->next->nodetype, LYS_USES);
+    assert_string_equal(parsed->child->next->next->next->next->next->next->next->name, "choice");
+    assert_int_equal(parsed->child->next->next->next->next->next->next->next->nodetype, LYS_CHOICE);
+    assert_null(parsed->child->next->next->next->next->next->next->next->next);
+    assert_string_equal(parsed->notifs->name, "notf");
+    assert_string_equal(parsed->actions->name, "act");
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(parsed->exts[0]), LY_STMT_CONTAINER);
+    lysp_node_free(&fctx, siblings);
+    ly_set_erase(&YCTX->tpdfs_nodes, NULL);
+    siblings = NULL;
+
+    /* min subelems */
+    data = ELEMENT_WRAPPER_START "<container name=\"cont-name\" />" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_SUCCESS);
+    parsed = (struct lysp_node_container *)siblings;
+    CHECK_LYSP_NODE(parsed, NULL, 0, 0, 0,
+            "cont-name", 0, LYS_CONTAINER, 0, NULL, 0);
+    lysp_node_free(&fctx, siblings);
+    siblings = NULL;
+}
+
+static void
+test_case_elem(void **state)
+{
+    const char *data;
+    struct lysp_node *siblings = NULL;
+    struct tree_node_meta node_meta = {NULL, &siblings};
+    struct lysp_node_case *parsed = NULL;
+
+    /* max subelems */
+    PARSER_CUR_PMOD(YCTX)->version = LYS_VERSION_1_1;
+    data = ELEMENT_WRAPPER_START
+            "<case name=\"case-name\">\n"
+            "    <anydata name=\"anyd\"/>\n"
+            "    <anyxml name=\"anyx\"/>\n"
+            "    <container name=\"subcont\"/>\n"
+            "    <description><text>desc</text></description>\n"
+            "    <if-feature name=\"iff\"/>\n"
+            "    <leaf name=\"leaf\"> <type name=\"type\"/> </leaf>\n"
+            "    <leaf-list name=\"llist\"> <type name=\"type\"/> </leaf-list>\n"
+            "    <list name=\"list\"/>\n"
+            "    <reference><text>ref</text></reference>\n"
+            "    <status value=\"current\"/>\n"
+            "    <uses name=\"uses-name\"/>\n"
+            "    <when condition=\"when-cond\"/>\n"
+            "    <choice name=\"choice\"/>\n"
+            EXT_SUBELEM
+            "</case>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_SUCCESS);
+    parsed = (struct lysp_node_case *)siblings;
+    uint16_t flags = LYS_STATUS_CURR;
+
+    CHECK_LYSP_NODE(parsed, "desc", 1, flags, 1,
+            "case-name", 0, LYS_CASE, 0, "ref", 1);
+    CHECK_LYSP_WHEN(parsed->when, "when-cond", NULL, 0, NULL);
+    assert_string_equal(parsed->iffeatures[0].str, "iff");
+    assert_string_equal(parsed->child->name, "anyd");
+    assert_int_equal(parsed->child->nodetype, LYS_ANYDATA);
+    assert_string_equal(parsed->child->next->name, "anyx");
+    assert_int_equal(parsed->child->next->nodetype, LYS_ANYXML);
+    assert_string_equal(parsed->child->next->next->name, "subcont");
+    assert_int_equal(parsed->child->next->next->nodetype, LYS_CONTAINER);
+    assert_string_equal(parsed->child->next->next->next->name, "leaf");
+    assert_int_equal(parsed->child->next->next->next->nodetype, LYS_LEAF);
+    assert_string_equal(parsed->child->next->next->next->next->name, "llist");
+    assert_int_equal(parsed->child->next->next->next->next->nodetype, LYS_LEAFLIST);
+    assert_string_equal(parsed->child->next->next->next->next->next->name, "list");
+    assert_int_equal(parsed->child->next->next->next->next->next->nodetype, LYS_LIST);
+    assert_string_equal(parsed->child->next->next->next->next->next->next->name, "uses-name");
+    assert_int_equal(parsed->child->next->next->next->next->next->next->nodetype, LYS_USES);
+    assert_string_equal(parsed->child->next->next->next->next->next->next->next->name, "choice");
+    assert_int_equal(parsed->child->next->next->next->next->next->next->next->nodetype, LYS_CHOICE);
+    assert_null(parsed->child->next->next->next->next->next->next->next->next);
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(parsed->exts[0]), LY_STMT_CASE);
+    lysp_node_free(&fctx, siblings);
+    siblings = NULL;
+
+    /* min subelems */
+    data = ELEMENT_WRAPPER_START "<case name=\"case-name\" />" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_SUCCESS);
+    parsed = (struct lysp_node_case *)siblings;
+    CHECK_LYSP_NODE(parsed, NULL, 0, 0, 0,
+            "case-name", 0, LYS_CASE, 0, NULL, 0);
+    lysp_node_free(&fctx, siblings);
+    siblings = NULL;
+}
+
+static void
+test_choice_elem(void **state)
+{
+    const char *data;
+    struct lysp_node *siblings = NULL;
+    struct tree_node_meta node_meta = {NULL, &siblings};
+    struct lysp_node_choice *parsed = NULL;
+
+    /* max subelems */
+    PARSER_CUR_PMOD(YCTX)->version = LYS_VERSION_1_1;
+    data = ELEMENT_WRAPPER_START
+            "<choice name=\"choice-name\">\n"
+            "    <anydata name=\"anyd\"/>\n"
+            "    <anyxml name=\"anyx\"/>\n"
+            "    <case name=\"sub-case\"/>\n"
+            "    <choice name=\"choice\"/>\n"
+            "    <config value=\"true\"/>\n"
+            "    <container name=\"subcont\"/>\n"
+            "    <default value=\"def\"/>\n"
+            "    <description><text>desc</text></description>\n"
+            "    <if-feature name=\"iff\"/>\n"
+            "    <leaf name=\"leaf\"> <type name=\"type\"/> </leaf>\n"
+            "    <leaf-list name=\"llist\"> <type name=\"type\"/> </leaf-list>\n"
+            "    <list name=\"list\"/>\n"
+            "    <mandatory value=\"true\" />\n"
+            "    <reference><text>ref</text></reference>\n"
+            "    <status value=\"current\"/>\n"
+            "    <when condition=\"when-cond\"/>\n"
+            EXT_SUBELEM
+            "</choice>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_SUCCESS);
+    parsed = (struct lysp_node_choice *)siblings;
+    uint16_t flags = LYS_CONFIG_W | LYS_MAND_TRUE | LYS_STATUS_CURR;
+
+    CHECK_LYSP_NODE(parsed, "desc", 1, flags, 1,
+            "choice-name", 0, LYS_CHOICE, 0, "ref", 1);
+    CHECK_LYSP_WHEN(parsed->when, "when-cond", NULL, 0, NULL);
+    assert_string_equal(parsed->iffeatures[0].str, "iff");
+    assert_string_equal(parsed->child->name, "anyd");
+    assert_int_equal(parsed->child->nodetype, LYS_ANYDATA);
+    assert_string_equal(parsed->child->next->name, "anyx");
+    assert_int_equal(parsed->child->next->nodetype, LYS_ANYXML);
+    assert_string_equal(parsed->child->next->next->name, "sub-case");
+    assert_int_equal(parsed->child->next->next->nodetype, LYS_CASE);
+    assert_string_equal(parsed->child->next->next->next->name, "choice");
+    assert_int_equal(parsed->child->next->next->next->nodetype, LYS_CHOICE);
+    assert_string_equal(parsed->child->next->next->next->next->name, "subcont");
+    assert_int_equal(parsed->child->next->next->next->next->nodetype, LYS_CONTAINER);
+    assert_string_equal(parsed->child->next->next->next->next->next->name, "leaf");
+    assert_int_equal(parsed->child->next->next->next->next->next->nodetype, LYS_LEAF);
+    assert_string_equal(parsed->child->next->next->next->next->next->next->name, "llist");
+    assert_int_equal(parsed->child->next->next->next->next->next->next->nodetype, LYS_LEAFLIST);
+    assert_string_equal(parsed->child->next->next->next->next->next->next->next->name, "list");
+    assert_int_equal(parsed->child->next->next->next->next->next->next->next->nodetype, LYS_LIST);
+    assert_null(parsed->child->next->next->next->next->next->next->next->next);
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(parsed->exts[0]), LY_STMT_CHOICE);
+    lysp_node_free(&fctx, siblings);
+    siblings = NULL;
+
+    /* min subelems */
+    data = ELEMENT_WRAPPER_START "<choice name=\"choice-name\" />" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &node_meta, NULL, NULL), LY_SUCCESS);
+    parsed = (struct lysp_node_choice *)siblings;
+    assert_string_equal(parsed->name, "choice-name");
+    CHECK_LYSP_NODE(parsed, NULL, 0, 0, 0,
+            "choice-name", 0, LYS_CHOICE, 0, NULL, 0);
+    lysp_node_free(&fctx, siblings);
+    siblings = NULL;
+}
+
+static void
+test_inout_elem(void **state)
+{
+    const char *data;
+    struct lysp_node_action_inout inout = {0};
+    struct inout_meta inout_meta = {NULL, &inout};
+
+    /* max subelements */
+    PARSER_CUR_PMOD(YCTX)->version = LYS_VERSION_1_1;
+    data = ELEMENT_WRAPPER_START
+            "<input>\n"
+            "    <anydata name=\"anyd\"/>\n"
+            "    <anyxml name=\"anyx\"/>\n"
+            "    <choice name=\"choice\"/>\n"
+            "    <container name=\"subcont\"/>\n"
+            "    <grouping name=\"sub-grp\"/>\n"
+            "    <leaf name=\"leaf\"> <type name=\"type\"/> </leaf>\n"
+            "    <leaf-list name=\"llist\"> <type name=\"type\"/> </leaf-list>\n"
+            "    <list name=\"list\"/>\n"
+            "    <must condition=\"cond\"/>\n"
+            "    <typedef name=\"tpdf\"> <type name=\"type\"/> </typedef>\n"
+            "    <uses name=\"uses-name\"/>\n"
+            EXT_SUBELEM
+            "</input>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &inout_meta, NULL, NULL), LY_SUCCESS);
+    CHECK_LYSP_ACTION_INOUT(&(inout), 1, 1, 1, 1, LYS_INPUT, 0, 1);
+    CHECK_LYSP_RESTR(inout.musts, "cond", NULL, NULL, NULL, 0, NULL);
+    assert_string_equal(inout.typedefs->name, "tpdf");
+    assert_string_equal(inout.groupings->name, "sub-grp");
+    assert_string_equal(inout.child->name, "anyd");
+    assert_int_equal(inout.child->nodetype, LYS_ANYDATA);
+    assert_string_equal(inout.child->next->name, "anyx");
+    assert_int_equal(inout.child->next->nodetype, LYS_ANYXML);
+    assert_string_equal(inout.child->next->next->name, "choice");
+    assert_int_equal(inout.child->next->next->nodetype, LYS_CHOICE);
+    assert_string_equal(inout.child->next->next->next->name, "subcont");
+    assert_int_equal(inout.child->next->next->next->nodetype, LYS_CONTAINER);
+    assert_string_equal(inout.child->next->next->next->next->name, "leaf");
+    assert_int_equal(inout.child->next->next->next->next->nodetype, LYS_LEAF);
+    assert_string_equal(inout.child->next->next->next->next->next->name, "llist");
+    assert_int_equal(inout.child->next->next->next->next->next->nodetype, LYS_LEAFLIST);
+    assert_string_equal(inout.child->next->next->next->next->next->next->name, "list");
+    assert_int_equal(inout.child->next->next->next->next->next->next->nodetype, LYS_LIST);
+    assert_string_equal(inout.child->next->next->next->next->next->next->next->name, "uses-name");
+    assert_int_equal(inout.child->next->next->next->next->next->next->next->nodetype, LYS_USES);
+    assert_null(inout.child->next->next->next->next->next->next->next->next);
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(inout.exts[0]), LY_STMT_INPUT);
+    lysp_node_free(&fctx, (struct lysp_node *)&inout);
+    memset(&inout, 0, sizeof inout);
+
+    /* max subelements */
+    PARSER_CUR_PMOD(YCTX)->version = LYS_VERSION_1_1;
+    data = ELEMENT_WRAPPER_START
+            "<output>\n"
+            "    <anydata name=\"anyd\"/>\n"
+            "    <anyxml name=\"anyx\"/>\n"
+            "    <choice name=\"choice\"/>\n"
+            "    <container name=\"subcont\"/>\n"
+            "    <grouping name=\"sub-grp\"/>\n"
+            "    <leaf name=\"leaf\"> <type name=\"type\"/> </leaf>\n"
+            "    <leaf-list name=\"llist\"> <type name=\"type\"/> </leaf-list>\n"
+            "    <list name=\"list\"/>\n"
+            "    <must condition=\"cond\"/>\n"
+            "    <typedef name=\"tpdf\"> <type name=\"type\"/> </typedef>\n"
+            "    <uses name=\"uses-name\"/>\n"
+            EXT_SUBELEM
+            "</output>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &inout_meta, NULL, NULL), LY_SUCCESS);
+    CHECK_LYSP_ACTION_INOUT(&(inout), 1, 1, 1, 1, LYS_OUTPUT, 0, 1);
+    assert_string_equal(inout.musts->arg.str, "cond");
+    assert_string_equal(inout.typedefs->name, "tpdf");
+    assert_string_equal(inout.groupings->name, "sub-grp");
+    assert_string_equal(inout.child->name, "anyd");
+    assert_int_equal(inout.child->nodetype, LYS_ANYDATA);
+    assert_string_equal(inout.child->next->name, "anyx");
+    assert_int_equal(inout.child->next->nodetype, LYS_ANYXML);
+    assert_string_equal(inout.child->next->next->name, "choice");
+    assert_int_equal(inout.child->next->next->nodetype, LYS_CHOICE);
+    assert_string_equal(inout.child->next->next->next->name, "subcont");
+    assert_int_equal(inout.child->next->next->next->nodetype, LYS_CONTAINER);
+    assert_string_equal(inout.child->next->next->next->next->name, "leaf");
+    assert_int_equal(inout.child->next->next->next->next->nodetype, LYS_LEAF);
+    assert_string_equal(inout.child->next->next->next->next->next->name, "llist");
+    assert_int_equal(inout.child->next->next->next->next->next->nodetype, LYS_LEAFLIST);
+    assert_string_equal(inout.child->next->next->next->next->next->next->name, "list");
+    assert_int_equal(inout.child->next->next->next->next->next->next->nodetype, LYS_LIST);
+    assert_string_equal(inout.child->next->next->next->next->next->next->next->name, "uses-name");
+    assert_int_equal(inout.child->next->next->next->next->next->next->next->nodetype, LYS_USES);
+    assert_null(inout.child->next->next->next->next->next->next->next->next);
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(inout.exts[0]), LY_STMT_OUTPUT);
+    lysp_node_free(&fctx, (struct lysp_node *)&inout);
+    memset(&inout, 0, sizeof inout);
+
+    /* min subelems */
+    data = ELEMENT_WRAPPER_START "<input><leaf name=\"l\"><type name=\"empty\"/></leaf></input>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &inout_meta, NULL, NULL), LY_SUCCESS);
+    lysp_node_free(&fctx, (struct lysp_node *)&inout);
+    memset(&inout, 0, sizeof inout);
+
+    data = ELEMENT_WRAPPER_START "<output><leaf name=\"l\"><type name=\"empty\"/></leaf></output>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &inout_meta, NULL, NULL), LY_SUCCESS);
+    lysp_node_free(&fctx, (struct lysp_node *)&inout);
+    memset(&inout, 0, sizeof inout);
+
+    /* invalid combinations */
+    data = ELEMENT_WRAPPER_START "<input name=\"test\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &inout_meta, NULL, NULL), LY_EVALID);
+    lysp_node_free(&fctx, (struct lysp_node *)&inout);
+    CHECK_LOG_CTX("Unexpected attribute \"name\" of \"input\" element.", "Line number 1.");
+    memset(&inout, 0, sizeof inout);
+}
+
+static void
+test_action_elem(void **state)
+{
+    const char *data;
+    struct lysp_node_action *actions = NULL;
+    struct tree_node_meta act_meta = {NULL, (struct lysp_node **)&actions};
+    uint16_t flags;
+
+    /* max subelems */
+    PARSER_CUR_PMOD(YCTX)->version = LYS_VERSION_1_1;
+    data = ELEMENT_WRAPPER_START
+            "<action name=\"act\">\n"
+            "    <description><text>desc</text></description>\n"
+            "    <grouping name=\"grouping\"/>\n"
+            "    <if-feature name=\"iff\"/>\n"
+            "    <input><uses name=\"uses-name\"/></input>\n"
+            "    <output><must condition=\"cond\"/><leaf name=\"l\"><type name=\"type\"/></leaf></output>\n"
+            "    <reference><text>ref</text></reference>\n"
+            "    <status value=\"deprecated\"/>\n"
+            "    <typedef name=\"tpdf\"> <type name=\"type\"/> </typedef>\n"
+            EXT_SUBELEM
+            "</action>"
+            ELEMENT_WRAPPER_END;
+    /* there must be parent for action */
+    act_meta.parent = (void *)1;
+    assert_int_equal(test_element_helper(state, data, &act_meta, NULL, NULL), LY_SUCCESS);
+    act_meta.parent = NULL;
+    flags = LYS_STATUS_DEPRC;
+    CHECK_LYSP_ACTION(actions, "desc", 1, flags, 1, 1,\
+            1, 0, 0, 0,\
+            1, 0,\
+            "act", LYS_ACTION, \
+            1, 0, 0, 1,\
+            1, 0,\
+            1, "ref", 1);
+
+    assert_string_equal(actions->iffeatures[0].str, "iff");
+    assert_string_equal(actions->typedefs->name, "tpdf");
+    assert_string_equal(actions->groupings->name, "grouping");
+    assert_string_equal(actions->output.musts->arg.str, "cond");
+    assert_string_equal(actions->input.child->name, "uses-name");
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(actions->exts[0]), LY_STMT_ACTION);
+    lysp_node_free(&fctx, (struct lysp_node *)actions);
+    actions = NULL;
+
+    PARSER_CUR_PMOD(YCTX)->version = LYS_VERSION_1_1;
+    data = ELEMENT_WRAPPER_START
+            "<rpc name=\"act\">\n"
+            "    <description><text>desc</text></description>\n"
+            "    <grouping name=\"grouping\"/>\n"
+            "    <if-feature name=\"iff\"/>\n"
+            "    <input><uses name=\"uses-name\"/></input>\n"
+            "    <output><must condition=\"cond\"/><leaf name=\"l\"><type name=\"type\"/></leaf></output>\n"
+            "    <reference><text>ref</text></reference>\n"
+            "    <status value=\"deprecated\"/>\n"
+            "    <typedef name=\"tpdf\"> <type name=\"type\"/> </typedef>\n"
+            EXT_SUBELEM
+            "</rpc>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &act_meta, NULL, NULL), LY_SUCCESS);
+    flags = LYS_STATUS_DEPRC;
+    CHECK_LYSP_ACTION(actions, "desc", 1, flags, 1, 1,\
+            1, 0, 0, 0,\
+            1, 0,\
+            "act", LYS_RPC, \
+            1, 0, 0, 1,\
+            1, 0,\
+            0, "ref", 1);
+
+    assert_string_equal(actions->iffeatures[0].str, "iff");
+    assert_string_equal(actions->typedefs->name, "tpdf");
+    assert_string_equal(actions->groupings->name, "grouping");
+    assert_string_equal(actions->input.child->name, "uses-name");
+    assert_string_equal(actions->output.musts->arg.str, "cond");
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(actions->exts[0]), LY_STMT_RPC);
+    lysp_node_free(&fctx, (struct lysp_node *)actions);
+    actions = NULL;
+
+    /* min subelems */
+    data = ELEMENT_WRAPPER_START "<action name=\"act\" />" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &act_meta, NULL, NULL), LY_SUCCESS);
+    assert_string_equal(actions->name, "act");
+    lysp_node_free(&fctx, (struct lysp_node *)actions);
+    actions = NULL;
+}
+
+static void
+test_augment_elem(void **state)
+{
+    const char *data;
+    struct lysp_node_augment *augments = NULL;
+    struct tree_node_meta aug_meta = {NULL, (struct lysp_node **)&augments};
+
+    PARSER_CUR_PMOD(YCTX)->version = LYS_VERSION_1_1;
+    data = ELEMENT_WRAPPER_START
+            "<augment target-node=\"target\">\n"
+            "    <action name=\"action\"/>\n"
+            "    <anydata name=\"anyd\"/>\n"
+            "    <anyxml name=\"anyx\"/>\n"
+            "    <case name=\"case\"/>\n"
+            "    <choice name=\"choice\"/>\n"
+            "    <container name=\"subcont\"/>\n"
+            "    <description><text>desc</text></description>\n"
+            "    <if-feature name=\"iff\"/>\n"
+            "    <leaf name=\"leaf\"> <type name=\"type\"/> </leaf>\n"
+            "    <leaf-list name=\"llist\"> <type name=\"type\"/> </leaf-list>\n"
+            "    <list name=\"list\"/>\n"
+            "    <notification name=\"notif\"/>\n"
+            "    <reference><text>ref</text></reference>\n"
+            "    <status value=\"current\"/>\n"
+            "    <uses name=\"uses\"/>\n"
+            "    <when condition=\"when-cond\"/>\n"
+            EXT_SUBELEM
+            "</augment>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &aug_meta, NULL, NULL), LY_SUCCESS);
+    assert_string_equal(augments->nodeid, "target");
+    assert_null(augments->parent);
+    assert_int_equal(augments->nodetype, LYS_AUGMENT);
+    assert_true(augments->flags & LYS_STATUS_CURR);
+    assert_string_equal(augments->dsc, "desc");
+    assert_string_equal(augments->ref, "ref");
+    assert_string_equal(augments->when->cond, "when-cond");
+    assert_string_equal(augments->iffeatures[0].str, "iff");
+    assert_string_equal(augments->child->name, "anyd");
+    assert_int_equal(augments->child->nodetype, LYS_ANYDATA);
+    assert_string_equal(augments->child->next->name, "anyx");
+    assert_int_equal(augments->child->next->nodetype, LYS_ANYXML);
+    assert_string_equal(augments->child->next->next->name, "case");
+    assert_int_equal(augments->child->next->next->nodetype, LYS_CASE);
+    assert_string_equal(augments->child->next->next->next->name, "choice");
+    assert_int_equal(augments->child->next->next->next->nodetype, LYS_CHOICE);
+    assert_string_equal(augments->child->next->next->next->next->name, "subcont");
+    assert_int_equal(augments->child->next->next->next->next->nodetype, LYS_CONTAINER);
+    assert_string_equal(augments->child->next->next->next->next->next->name, "leaf");
+    assert_int_equal(augments->child->next->next->next->next->next->nodetype, LYS_LEAF);
+    assert_string_equal(augments->child->next->next->next->next->next->next->name, "llist");
+    assert_int_equal(augments->child->next->next->next->next->next->next->nodetype, LYS_LEAFLIST);
+    assert_string_equal(augments->child->next->next->next->next->next->next->next->name, "list");
+    assert_int_equal(augments->child->next->next->next->next->next->next->next->nodetype, LYS_LIST);
+    assert_string_equal(augments->child->next->next->next->next->next->next->next->next->name, "uses");
+    assert_int_equal(augments->child->next->next->next->next->next->next->next->next->nodetype, LYS_USES);
+    assert_null(augments->child->next->next->next->next->next->next->next->next->next);
+    assert_string_equal(augments->actions->name, "action");
+    assert_string_equal(augments->notifs->name, "notif");
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(augments->exts[0]), LY_STMT_AUGMENT);
+    lysp_node_free(&fctx, (struct lysp_node *)augments);
+    augments = NULL;
+
+    data = ELEMENT_WRAPPER_START "<augment target-node=\"target\" />" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &aug_meta, NULL, NULL), LY_SUCCESS);
+    assert_string_equal(augments->nodeid, "target");
+    lysp_node_free(&fctx, (struct lysp_node *)augments);
+    augments = NULL;
+}
+
+static void
+test_deviate_elem(void **state)
+{
+    const char *data;
+    struct lysp_deviate *deviates = NULL;
+
+    /* invalid arguments */
+    data = ELEMENT_WRAPPER_START "<deviate value=\"\" />" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &deviates, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"\" of \"value\" attribute in \"deviate\" element. "
+            "Valid values are \"not-supported\", \"add\", \"replace\" and \"delete\".", "Line number 1.");
+    deviates = NULL;
+
+    data = ELEMENT_WRAPPER_START "<deviate value=\"invalid\" />" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &deviates, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"invalid\" of \"value\" attribute in \"deviate\" element. "
+            "Valid values are \"not-supported\", \"add\", \"replace\" and \"delete\".", "Line number 1.");
+    deviates = NULL;
+
+    data = ELEMENT_WRAPPER_START "<deviate value=\"ad\" />" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &deviates, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"ad\" of \"value\" attribute in \"deviate\" element. "
+            "Valid values are \"not-supported\", \"add\", \"replace\" and \"delete\".", "Line number 1.");
+    deviates = NULL;
+
+    data = ELEMENT_WRAPPER_START "<deviate value=\"adds\" />" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &deviates, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Invalid value \"adds\" of \"value\" attribute in \"deviate\" element. "
+            "Valid values are \"not-supported\", \"add\", \"replace\" and \"delete\".", "Line number 1.");
+    deviates = NULL;
+
+    data = ELEMENT_WRAPPER_START
+            "<deviate value=\"not-supported\">\n"
+            "    <must condition=\"c\"/>\n"
+            "</deviate>"
+            ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &deviates, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Deviate of this type doesn't allow \"must\" as it's sub-element.", "Line number 2.");
+}
+
+static void
+test_deviation_elem(void **state)
+{
+    const char *data;
+    struct lysp_deviation *deviations = NULL;
+
+    /* invalid */
+    data = ELEMENT_WRAPPER_START "<deviation target-node=\"target\"/>" ELEMENT_WRAPPER_END;
+    assert_int_equal(test_element_helper(state, data, &deviations, NULL, NULL), LY_EVALID);
+    CHECK_LOG_CTX("Missing mandatory sub-element \"deviate\" of \"deviation\" element.", "Line number 1.");
+}
+
+static struct lysp_module *
+mod_renew(struct lysp_yin_ctx *ctx)
+{
+    struct ly_ctx *ly_ctx = PARSER_CUR_PMOD(ctx)->mod->ctx;
+    struct lysp_module *pmod;
+
+    lys_module_free(&fctx, PARSER_CUR_PMOD(ctx)->mod, 0);
+    pmod = calloc(1, sizeof *pmod);
+    ctx->parsed_mods->objs[0] = pmod;
+    pmod->mod = calloc(1, sizeof *pmod->mod);
+    pmod->mod->parsed = pmod;
+    pmod->mod->ctx = ly_ctx;
+
+    fctx.mod = pmod->mod;
+
+    return pmod;
+}
+
+static void
+test_module_elem(void **state)
+{
+    const char *data;
+    struct lysp_module *lysp_mod = mod_renew(YCTX);
+
+    /* max subelems */
+    data = "<module xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\" name=\"mod\">\n"
+            "    <yang-version value=\"1.1\"/>\n"
+            "    <namespace uri=\"ns\"/>\n"
+            "    <prefix value=\"pref\"/>\n"
+            "    <include module=\"b-mod\"/>\n"
+            "    <import module=\"a-mod\"><prefix value=\"imp-pref\"/></import>\n"
+            "    <organization><text>org</text></organization>\n"
+            "    <contact><text>contact</text></contact>\n"
+            "    <description><text>desc</text></description>\n"
+            "    <reference><text>ref</text></reference>\n"
+            "    <revision date=\"2019-02-02\"/>\n"
+            "    <anydata name=\"anyd\"/>\n"
+            "    <anyxml name=\"anyx\"/>\n"
+            "    <choice name=\"choice\"/>\n"
+            "    <container name=\"cont\"/>\n"
+            "    <leaf name=\"leaf\"> <type name=\"type\"/> </leaf>\n"
+            "    <leaf-list name=\"llist\"> <type name=\"type\"/> </leaf-list>\n"
+            "    <list name=\"sub-list\"/>\n"
+            "    <uses name=\"uses-name\"/>\n"
+            "    <augment target-node=\"target\"/>\n"
+            "    <deviation target-node=\"target\">\n"
+            "        <deviate value=\"not-supported\"/>\n"
+            "    </deviation>\n"
+            "    <extension name=\"ext\"/>\n"
+            "    <feature name=\"feature\"/>\n"
+            "    <grouping name=\"grp\"/>\n"
+            "    <identity name=\"ident-name\"/>\n"
+            "    <notification name=\"notf\"/>\n"
+            "    <rpc name=\"rpc-name\"/>\n"
+            "    <typedef name=\"tpdf\"> <type name=\"type\"/> </typedef>\n"
+            EXT_SUBELEM "\n"
+            "</module>\n";
+    assert_int_equal(ly_in_new_memory(data, &UTEST_IN), LY_SUCCESS);
+    assert_int_equal(lyxml_ctx_new(UTEST_LYCTX, UTEST_IN, &YCTX->xmlctx), LY_SUCCESS);
+
+    assert_int_equal(yin_parse_mod(YCTX, lysp_mod), LY_SUCCESS);
+    assert_string_equal(lysp_mod->mod->name, "mod");
+    assert_string_equal(lysp_mod->revs, "2019-02-02");
+    assert_string_equal(lysp_mod->mod->ns, "ns");
+    assert_string_equal(lysp_mod->mod->prefix, "pref");
+    assert_null(lysp_mod->mod->filepath);
+    assert_string_equal(lysp_mod->mod->org, "org");
+    assert_string_equal(lysp_mod->mod->contact, "contact");
+    assert_string_equal(lysp_mod->mod->dsc, "desc");
+    assert_string_equal(lysp_mod->mod->ref, "ref");
+    assert_int_equal(lysp_mod->version, LYS_VERSION_1_1);
+    CHECK_LYSP_IMPORT(lysp_mod->imports, NULL, 0, "a-mod",
+            "imp-pref", NULL, "");
+    assert_string_equal(lysp_mod->includes->name, "b-mod");
+    assert_string_equal(lysp_mod->extensions->name, "ext");
+    assert_string_equal(lysp_mod->features->name, "feature");
+    assert_string_equal(lysp_mod->identities->name, "ident-name");
+    assert_string_equal(lysp_mod->typedefs->name, "tpdf");
+    assert_string_equal(lysp_mod->groupings->name, "grp");
+    assert_string_equal(lysp_mod->data->name, "anyd");
+    assert_int_equal(lysp_mod->data->nodetype, LYS_ANYDATA);
+    assert_string_equal(lysp_mod->data->next->name, "anyx");
+    assert_int_equal(lysp_mod->data->next->nodetype, LYS_ANYXML);
+    assert_string_equal(lysp_mod->data->next->next->name, "choice");
+    assert_int_equal(lysp_mod->data->next->next->nodetype, LYS_CHOICE);
+    assert_string_equal(lysp_mod->data->next->next->next->name, "cont");
+    assert_int_equal(lysp_mod->data->next->next->next->nodetype, LYS_CONTAINER);
+    assert_string_equal(lysp_mod->data->next->next->next->next->name, "leaf");
+    assert_int_equal(lysp_mod->data->next->next->next->next->nodetype, LYS_LEAF);
+    assert_string_equal(lysp_mod->data->next->next->next->next->next->name, "llist");
+    assert_int_equal(lysp_mod->data->next->next->next->next->next->nodetype, LYS_LEAFLIST);
+    assert_string_equal(lysp_mod->data->next->next->next->next->next->next->name, "sub-list");
+    assert_int_equal(lysp_mod->data->next->next->next->next->next->next->nodetype, LYS_LIST);
+    assert_string_equal(lysp_mod->data->next->next->next->next->next->next->next->name, "uses-name");
+    assert_int_equal(lysp_mod->data->next->next->next->next->next->next->next->nodetype, LYS_USES);
+    assert_null(lysp_mod->data->next->next->next->next->next->next->next->next);
+    assert_string_equal(lysp_mod->augments->nodeid, "target");
+    assert_string_equal(lysp_mod->rpcs->name, "rpc-name");
+    assert_string_equal(lysp_mod->notifs->name, "notf");
+    assert_string_equal(lysp_mod->deviations->nodeid, "target");
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(lysp_mod->exts[0]), LY_STMT_MODULE);
+
+    /* min subelems */
+    ly_in_free(UTEST_IN, 0);
+    lyxml_ctx_free(YCTX->xmlctx);
+    lysp_mod = mod_renew(YCTX);
+    data = "<module xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\" name=\"mod\">\n"
+            "    <namespace uri=\"ns\"/>\n"
+            "    <prefix value=\"pref\"/>\n"
+            "    <yang-version value=\"1.1\"/>\n"
+            "</module>";
+    assert_int_equal(ly_in_new_memory(data, &UTEST_IN), LY_SUCCESS);
+    assert_int_equal(lyxml_ctx_new(UTEST_LYCTX, UTEST_IN, &YCTX->xmlctx), LY_SUCCESS);
+    assert_int_equal(yin_parse_mod(YCTX, lysp_mod), LY_SUCCESS);
+    assert_string_equal(lysp_mod->mod->name, "mod");
+
+    /* incorrect subelem order */
+    ly_in_free(UTEST_IN, 0);
+    lyxml_ctx_free(YCTX->xmlctx);
+    lysp_mod = mod_renew(YCTX);
+    data = "<module xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\" name=\"mod\">\n"
+            "    <feature name=\"feature\"/>\n"
+            "    <namespace uri=\"ns\"/>\n"
+            "    <prefix value=\"pref\"/>\n"
+            "    <yang-version value=\"1.1\"/>\n"
+            "</module>";
+    assert_int_equal(ly_in_new_memory(data, &UTEST_IN), LY_SUCCESS);
+    assert_int_equal(lyxml_ctx_new(UTEST_LYCTX, UTEST_IN, &YCTX->xmlctx), LY_SUCCESS);
+    assert_int_equal(yin_parse_mod(YCTX, lysp_mod), LY_EVALID);
+    CHECK_LOG_CTX("Invalid order of module\'s sub-elements \"namespace\" can\'t appear after \"feature\".", "Line number 3.");
+}
+
+static struct lysp_submodule *
+submod_renew(struct lysp_yin_ctx *ctx, const char *belongs_to)
+{
+    struct ly_ctx *ly_ctx = PARSER_CUR_PMOD(ctx)->mod->ctx;
+    struct lysp_submodule *submod;
+
+    lys_module_free(&fctx, PARSER_CUR_PMOD(ctx)->mod, 0);
+    submod = calloc(1, sizeof *submod);
+    ctx->parsed_mods->objs[0] = submod;
+    submod->mod = calloc(1, sizeof *submod->mod);
+    lydict_insert(ly_ctx, belongs_to, 0, &submod->mod->name);
+    submod->mod->parsed = (struct lysp_module *)submod;
+    submod->mod->ctx = ly_ctx;
+
+    fctx.mod = submod->mod;
+
+    return submod;
+}
+
+static void
+test_submodule_elem(void **state)
+{
+    const char *data;
+    struct lysp_submodule *lysp_submod = submod_renew(YCTX, "module-name");
+
+    /* max subelements */
+    data = "<submodule xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\" name=\"mod\">\n"
+            "    <yang-version value=\"1.1\"/>\n"
+            "    <belongs-to module=\"module-name\">\n"
+            "        <prefix value=\"pref\"/>\n"
+            "    </belongs-to>\n"
+            "    <include module=\"b-mod\"/>\n"
+            "    <import module=\"a-mod\"><prefix value=\"imp-pref\"/></import>\n"
+            "    <organization><text>org</text></organization>\n"
+            "    <contact><text>contact</text></contact>\n"
+            "    <description><text>desc</text></description>\n"
+            "    <reference><text>ref</text></reference>\n"
+            "    <revision date=\"2019-02-02\"/>\n"
+            "    <anydata name=\"anyd\"/>\n"
+            "    <anyxml name=\"anyx\"/>\n"
+            "    <choice name=\"choice\"/>\n"
+            "    <container name=\"cont\"/>\n"
+            "    <leaf name=\"leaf\"> <type name=\"type\"/> </leaf>\n"
+            "    <leaf-list name=\"llist\"> <type name=\"type\"/> </leaf-list>\n"
+            "    <list name=\"sub-list\"/>\n"
+            "    <uses name=\"uses-name\"/>\n"
+            "    <augment target-node=\"target\"/>\n"
+            "    <deviation target-node=\"target\">\n"
+            "        <deviate value=\"not-supported\"/>\n"
+            "    </deviation>\n"
+            "    <extension name=\"ext\"/>\n"
+            "    <feature name=\"feature\"/>\n"
+            "    <grouping name=\"grp\"/>\n"
+            "    <identity name=\"ident-name\"/>\n"
+            "    <notification name=\"notf\"/>\n"
+            "    <rpc name=\"rpc-name\"/>\n"
+            "    <typedef name=\"tpdf\"> <type name=\"type\"/> </typedef>\n"
+            EXT_SUBELEM "\n"
+            "</submodule>\n";
+    assert_int_equal(ly_in_new_memory(data, &UTEST_IN), LY_SUCCESS);
+    assert_int_equal(lyxml_ctx_new(UTEST_LYCTX, UTEST_IN, &YCTX->xmlctx), LY_SUCCESS);
+
+    assert_int_equal(yin_parse_submod(YCTX, lysp_submod), LY_SUCCESS);
+    assert_string_equal(lysp_submod->name, "mod");
+    assert_string_equal(lysp_submod->revs, "2019-02-02");
+    assert_string_equal(lysp_submod->prefix, "pref");
+    assert_null(lysp_submod->filepath);
+    assert_string_equal(lysp_submod->org, "org");
+    assert_string_equal(lysp_submod->contact, "contact");
+    assert_string_equal(lysp_submod->dsc, "desc");
+    assert_string_equal(lysp_submod->ref, "ref");
+    assert_int_equal(lysp_submod->version, LYS_VERSION_1_1);
+    CHECK_LYSP_IMPORT(lysp_submod->imports, NULL, 0, "a-mod",
+            "imp-pref", NULL, "");
+    assert_string_equal(lysp_submod->includes->name, "b-mod");
+    assert_string_equal(lysp_submod->extensions->name, "ext");
+    assert_string_equal(lysp_submod->features->name, "feature");
+    assert_string_equal(lysp_submod->identities->name, "ident-name");
+    assert_string_equal(lysp_submod->typedefs->name, "tpdf");
+    assert_string_equal(lysp_submod->groupings->name, "grp");
+    assert_string_equal(lysp_submod->data->name, "anyd");
+    assert_int_equal(lysp_submod->data->nodetype, LYS_ANYDATA);
+    assert_string_equal(lysp_submod->data->next->name, "anyx");
+    assert_int_equal(lysp_submod->data->next->nodetype, LYS_ANYXML);
+    assert_string_equal(lysp_submod->data->next->next->name, "choice");
+    assert_int_equal(lysp_submod->data->next->next->nodetype, LYS_CHOICE);
+    assert_string_equal(lysp_submod->data->next->next->next->name, "cont");
+    assert_int_equal(lysp_submod->data->next->next->next->nodetype, LYS_CONTAINER);
+    assert_string_equal(lysp_submod->data->next->next->next->next->name, "leaf");
+    assert_int_equal(lysp_submod->data->next->next->next->next->nodetype, LYS_LEAF);
+    assert_string_equal(lysp_submod->data->next->next->next->next->next->name, "llist");
+    assert_int_equal(lysp_submod->data->next->next->next->next->next->nodetype, LYS_LEAFLIST);
+    assert_string_equal(lysp_submod->data->next->next->next->next->next->next->name, "sub-list");
+    assert_int_equal(lysp_submod->data->next->next->next->next->next->next->nodetype, LYS_LIST);
+    assert_string_equal(lysp_submod->data->next->next->next->next->next->next->next->name, "uses-name");
+    assert_int_equal(lysp_submod->data->next->next->next->next->next->next->next->nodetype, LYS_USES);
+    assert_null(lysp_submod->data->next->next->next->next->next->next->next->next);
+    assert_string_equal(lysp_submod->augments->nodeid, "target");
+    assert_string_equal(lysp_submod->rpcs->name, "rpc-name");
+    assert_string_equal(lysp_submod->notifs->name, "notf");
+    assert_string_equal(lysp_submod->deviations->nodeid, "target");
+    TEST_1_CHECK_LYSP_EXT_INSTANCE(&(lysp_submod->exts[0]), LY_STMT_SUBMODULE);
+
+    /* min subelemnts */
+    ly_in_free(UTEST_IN, 0);
+    lyxml_ctx_free(YCTX->xmlctx);
+    lysp_submod = submod_renew(YCTX, "module-name");
+    data = "<submodule xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\" name=\"submod\">\n"
+            "    <yang-version value=\"1\"/>\n"
+            "    <belongs-to module=\"module-name\"><prefix value=\"pref\"/></belongs-to>\n"
+            "</submodule>";
+    assert_int_equal(ly_in_new_memory(data, &UTEST_IN), LY_SUCCESS);
+    assert_int_equal(lyxml_ctx_new(UTEST_LYCTX, UTEST_IN, &YCTX->xmlctx), LY_SUCCESS);
+    assert_int_equal(yin_parse_submod(YCTX, lysp_submod), LY_SUCCESS);
+    assert_string_equal(lysp_submod->prefix, "pref");
+    assert_int_equal(lysp_submod->version, LYS_VERSION_1_0);
+
+    /* incorrect subelem order */
+    ly_in_free(UTEST_IN, 0);
+    lyxml_ctx_free(YCTX->xmlctx);
+    lysp_submod = submod_renew(YCTX, "module-name");
+    data = "<submodule xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\" name=\"submod\">\n"
+            "    <yang-version value=\"1\"/>\n"
+            "    <reference><text>ref</text></reference>\n"
+            "    <belongs-to module=\"module-name\"><prefix value=\"pref\"/></belongs-to>\n"
+            "</submodule>";
+    assert_int_equal(ly_in_new_memory(data, &UTEST_IN), LY_SUCCESS);
+    assert_int_equal(lyxml_ctx_new(UTEST_LYCTX, UTEST_IN, &YCTX->xmlctx), LY_SUCCESS);
+    assert_int_equal(yin_parse_submod(YCTX, lysp_submod), LY_EVALID);
+    CHECK_LOG_CTX("Invalid order of submodule's sub-elements \"belongs-to\" can't appear after \"reference\".", "Line number 4.");
+}
+
+static void
+test_yin_parse_module(void **state)
+{
+    const char *data;
+    struct lys_module *mod;
+    struct lysp_yin_ctx *yin_ctx = NULL;
+    struct ly_in *in = NULL;
+
+    mod = calloc(1, sizeof *mod);
+    mod->ctx = UTEST_LYCTX;
+    data = "<module xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\" xmlns:md=\"urn:ietf:params:xml:ns:yang:ietf-yang-metadata\" name=\"a\"> \n"
+            "    <yang-version value=\"1.1\"/>\n"
+            "    <namespace uri=\"urn:tests:extensions:metadata:a\"/>\n"
+            "    <prefix value=\"a\"/>\n"
+            "    <import module=\"ietf-yang-metadata\">\n"
+            "        <prefix value=\"md\"/>\n"
+            "    </import>\n"
+            "    <feature name=\"f\"/>\n"
+            "    <md:annotation name=\"x\">\n"
+            "        <description>\n"
+            "            <text>test</text>\n"
+            "        </description>\n"
+            "        <reference>\n"
+            "            <text>test</text>\n"
+            "        </reference>\n"
+            "        <if-feature name=\"f\"/>\n"
+            "        <status value=\"current\"/>\n"
+            "        <type name=\"uint8\"/>\n"
+            "        <units name=\"meters\"/>\n"
+            "    </md:annotation>\n"
+            "</module>\n";
+    assert_int_equal(ly_in_new_memory(data, &in), LY_SUCCESS);
+    assert_int_equal(yin_parse_module(&yin_ctx, in, mod), LY_SUCCESS);
+    assert_null(mod->parsed->exts->child->next->child);
+    assert_string_equal(mod->parsed->exts->child->next->arg, "test");
+    lys_module_free(&fctx, mod, 0);
+    lysp_yin_ctx_free(yin_ctx);
+    ly_in_free(in, 0);
+    mod = NULL;
+    yin_ctx = NULL;
+
+    mod = calloc(1, sizeof *mod);
+    mod->ctx = UTEST_LYCTX;
+    data = "<module name=\"example-foo\""
+            "    xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\""
+            "    xmlns:foo=\"urn:example:foo\""
+            "    xmlns:myext=\"urn:example:extensions\">\n"
+
+            "    <yang-version value=\"1\"/>\n"
+
+            "    <namespace uri=\"urn:example:foo\"/>\n"
+            "    <prefix value=\"foo\"/>\n"
+
+            "    <import module=\"example-extensions\">\n"
+            "        <prefix value=\"myext\"/>\n"
+            "    </import>\n"
+
+            "    <list name=\"interface\">\n"
+            "        <key value=\"name\"/>\n"
+            "        <leaf name=\"name\">\n"
+            "            <type name=\"string\"/>\n"
+            "        </leaf>\n"
+            "        <leaf name=\"mtu\">\n"
+            "            <type name=\"uint32\"/>\n"
+            "            <description>\n"
+            "                <text>The MTU of the interface.</text>\n"
+            "            </description>\n"
+            "            <myext:c-define name=\"MY_MTU\"/>\n"
+            "        </leaf>\n"
+            "    </list>\n"
+            "</module>\n";
+    assert_int_equal(ly_in_new_memory(data, &in), LY_SUCCESS);
+    assert_int_equal(yin_parse_module(&yin_ctx, in, mod), LY_SUCCESS);
+    lys_module_free(&fctx, mod, 0);
+    lysp_yin_ctx_free(yin_ctx);
+    ly_in_free(in, 0);
+    mod = NULL;
+    yin_ctx = NULL;
+
+    mod = calloc(1, sizeof *mod);
+    mod->ctx = UTEST_LYCTX;
+    data = "<module name=\"example-foo\" xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\">\n"
+            "    <yang-version value=\"1\"/>\n"
+            "    <namespace uri=\"urn:example:foo\"/>\n"
+            "    <prefix value=\"foo\"/>\n"
+            "</module>\n";
+    assert_int_equal(ly_in_new_memory(data, &in), LY_SUCCESS);
+    assert_int_equal(yin_parse_module(&yin_ctx, in, mod), LY_SUCCESS);
+    lys_module_free(&fctx, mod, 0);
+    lysp_yin_ctx_free(yin_ctx);
+    ly_in_free(in, 0);
+    mod = NULL;
+    yin_ctx = NULL;
+
+    mod = calloc(1, sizeof *mod);
+    mod->ctx = UTEST_LYCTX;
+    data = "<submodule name=\"example-foo\" xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\">"
+            "</submodule>\n";
+    assert_int_equal(ly_in_new_memory(data, &in), LY_SUCCESS);
+    assert_int_equal(yin_parse_module(&yin_ctx, in, mod), LY_EINVAL);
+    CHECK_LOG_CTX("Input data contains submodule which cannot be parsed directly without its main module.", NULL);
+    lys_module_free(&fctx, mod, 0);
+    lysp_yin_ctx_free(yin_ctx);
+    ly_in_free(in, 0);
+
+    mod = calloc(1, sizeof *mod);
+    mod->ctx = UTEST_LYCTX;
+    data = "<module name=\"example-foo\" xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\">\n"
+            "    <yang-version value=\"1\"/>\n"
+            "    <namespace uri=\"urn:example:foo\"/>\n"
+            "    <prefix value=\"foo\"/>\n"
+            "</module>\n"
+            "<module>";
+    assert_int_equal(ly_in_new_memory(data, &in), LY_SUCCESS);
+    assert_int_equal(yin_parse_module(&yin_ctx, in, mod), LY_EVALID);
+    CHECK_LOG_CTX("Trailing garbage \"<module>\" after module, expected end-of-input.", "Line number 6.");
+    lys_module_free(&fctx, mod, 0);
+    lysp_yin_ctx_free(yin_ctx);
+    ly_in_free(in, 0);
+    mod = NULL;
+    yin_ctx = NULL;
+}
+
+static void
+test_yin_parse_submodule(void **state)
+{
+    const char *data;
+    struct lysp_yin_ctx *yin_ctx = NULL;
+    struct lysp_submodule *submod = NULL;
+    struct ly_in *in;
+
+    lydict_insert(UTEST_LYCTX, "a", 0, &PARSER_CUR_PMOD(YCTX)->mod->name);
+
+    data = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+            "<submodule name=\"asub\""
+            "    xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\""
+            "    xmlns:a=\"urn:a\">\n"
+            "    <yang-version value=\"1\"/>\n"
+            "    <belongs-to module=\"a\">\n"
+            "        <prefix value=\"a_pref\"/>\n"
+            "    </belongs-to>\n"
+            "    <include module=\"atop\"/>\n"
+            "    <feature name=\"fox\"/>\n"
+            "    <notification name=\"bar-notif\">\n"
+            "        <if-feature name=\"bar\"/>\n"
+            "    </notification>\n"
+            "    <notification name=\"fox-notif\">\n"
+            "        <if-feature name=\"fox\"/>\n"
+            "    </notification>\n"
+            "    <augment target-node=\"/a_pref:top\">\n"
+            "        <if-feature name=\"bar\"/>\n"
+            "        <container name=\"bar-sub\"/>\n"
+            "    </augment>\n"
+            "    <augment target-node=\"/top\">\n"
+            "        <container name=\"bar-sub2\"/>\n"
+            "    </augment>\n"
+            "</submodule>";
+    assert_int_equal(ly_in_new_memory(data, &in), LY_SUCCESS);
+    assert_int_equal(yin_parse_submodule(&yin_ctx, UTEST_LYCTX, (struct lysp_ctx *)YCTX, in, &submod), LY_SUCCESS);
+    lysp_module_free(&fctx, (struct lysp_module *)submod);
+    lysp_yin_ctx_free(yin_ctx);
+    ly_in_free(in, 0);
+    yin_ctx = NULL;
+    submod = NULL;
+
+    data = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+            "<submodule name=\"asub\" xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\">\n"
+            "    <yang-version value=\"1\"/>\n"
+            "    <belongs-to module=\"a\">\n"
+            "        <prefix value=\"a_pref\"/>\n"
+            "    </belongs-to>\n"
+            "</submodule>";
+    assert_int_equal(ly_in_new_memory(data, &in), LY_SUCCESS);
+    assert_int_equal(yin_parse_submodule(&yin_ctx, UTEST_LYCTX, (struct lysp_ctx *)YCTX, in, &submod), LY_SUCCESS);
+    lysp_module_free(&fctx, (struct lysp_module *)submod);
+    lysp_yin_ctx_free(yin_ctx);
+    ly_in_free(in, 0);
+    yin_ctx = NULL;
+    submod = NULL;
+
+    data = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+            "<module name=\"inval\" xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\">"
+            "</module>";
+    assert_int_equal(ly_in_new_memory(data, &in), LY_SUCCESS);
+    assert_int_equal(yin_parse_submodule(&yin_ctx, UTEST_LYCTX, (struct lysp_ctx *)YCTX, in, &submod), LY_EINVAL);
+    CHECK_LOG_CTX("Input data contains module when a submodule is expected.", NULL);
+    lysp_module_free(&fctx, (struct lysp_module *)submod);
+    lysp_yin_ctx_free(yin_ctx);
+    ly_in_free(in, 0);
+    yin_ctx = NULL;
+    submod = NULL;
+
+    data = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+            "<submodule name=\"asub\" xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\">\n"
+            "    <yang-version value=\"1\"/>\n"
+            "    <belongs-to module=\"a\">\n"
+            "        <prefix value=\"a_pref\"/>\n"
+            "    </belongs-to>\n"
+            "</submodule>\n"
+            "<submodule name=\"asub\" xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\">\n"
+            "    <yang-version value=\"1\"/>\n"
+            "    <belongs-to module=\"a\">\n"
+            "        <prefix value=\"a_pref\"/>\n"
+            "    </belongs-to>\n"
+            "</submodule>";
+    assert_int_equal(ly_in_new_memory(data, &in), LY_SUCCESS);
+    assert_int_equal(yin_parse_submodule(&yin_ctx, UTEST_LYCTX, (struct lysp_ctx *)YCTX, in, &submod), LY_EVALID);
+    CHECK_LOG_CTX("Trailing garbage \"<submodule name...\" after submodule, expected end-of-input.", "Line number 8.");
+    lysp_module_free(&fctx, (struct lysp_module *)submod);
+    lysp_yin_ctx_free(yin_ctx);
+    ly_in_free(in, 0);
+    yin_ctx = NULL;
+    submod = NULL;
+}
+
+int
+main(void)
+{
+
+    const struct CMUnitTest tests[] = {
+        UTEST(test_yin_match_keyword, setup, teardown),
+        UTEST(test_yin_parse_content, setup, teardown),
+        UTEST(test_validate_value, setup, teardown),
+        UTEST(test_valid_module),
+        UTEST(test_print_module),
+        UTEST(test_print_submodule),
+
+        UTEST(test_yin_match_argument_name),
+        cmocka_unit_test_setup_teardown(test_enum_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_bit_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_status_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_yin_element_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_yangversion_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_argument_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_belongsto_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_config_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_default_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_err_app_tag_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_err_msg_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_fracdigits_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_iffeature_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_length_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_modifier_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_namespace_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_pattern_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_value_position_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_prefix_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_range_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_reqinstance_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_revision_date_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_unique_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_units_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_yin_text_value_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_type_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_max_elems_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_min_elems_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_ordby_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_any_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_leaf_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_leaf_list_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_presence_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_key_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_uses_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_list_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_notification_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_grouping_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_container_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_case_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_choice_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_inout_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_action_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_augment_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_deviate_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_deviation_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_module_elem, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_submodule_elem, setup, teardown),
+
+        cmocka_unit_test_setup_teardown(test_yin_parse_module, setup, teardown),
+        cmocka_unit_test_setup_teardown(test_yin_parse_submodule, setup, teardown),
+    };
+
+    return cmocka_run_group_tests(tests, NULL, NULL);
+}