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-rw-r--r--src/tests/refcount-tests.c239
1 files changed, 239 insertions, 0 deletions
diff --git a/src/tests/refcount-tests.c b/src/tests/refcount-tests.c
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+/*
+ SSSD
+
+ Reference counting tests.
+
+ Authors:
+ Martin Nagy <mnagy@redhat.com>
+
+ Copyright (C) Red Hat, Inc 2009
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdlib.h>
+#include <check.h>
+#include <talloc.h>
+#include <tevent.h>
+#include <popt.h>
+
+#include "tests/common_check.h"
+#include "util/util.h"
+
+/* Interface under test */
+#include "util/refcount.h"
+
+/* Fail the test if object 'obj' does not have 'num' references. */
+#define REF_ASSERT(obj, num) \
+ ck_assert_msg(((obj)->DO_NOT_TOUCH_THIS_MEMBER_refcount == (num)), \
+ "Reference count of " #obj " should be %d but is %d", \
+ (num), (obj)->DO_NOT_TOUCH_THIS_MEMBER_refcount)
+
+#define FILLER_SIZE 32
+
+struct foo {
+ REFCOUNT_COMMON;
+ char a[FILLER_SIZE];
+ char b[FILLER_SIZE];
+};
+
+struct bar {
+ char a[FILLER_SIZE];
+ REFCOUNT_COMMON;
+ char b[FILLER_SIZE];
+};
+
+struct baz {
+ char a[FILLER_SIZE];
+ char b[FILLER_SIZE];
+ REFCOUNT_COMMON;
+};
+
+#define SET_FILLER(target) do { \
+ memset((target)->a, 'a', FILLER_SIZE); \
+ memset((target)->b, 'b', FILLER_SIZE); \
+} while (0)
+
+#define CHECK_FILLER(target) do { \
+ int _counter; \
+ for (_counter = 0; _counter < FILLER_SIZE; _counter++) { \
+ ck_assert_msg((target)->a[_counter] == 'a', "Corrupted memory in " \
+ #target "->a[%d] of size %d", _counter, FILLER_SIZE); \
+ ck_assert_msg((target)->b[_counter] == 'b', "Corrupted memory in " \
+ #target "->b[%d] of size %d", _counter, FILLER_SIZE); \
+ } \
+} while (0)
+
+struct container {
+ struct foo *foo;
+ struct bar *bar;
+ struct baz *baz;
+};
+
+static struct container *global;
+
+START_TEST(test_refcount_basic)
+{
+ struct container *containers;
+ int i;
+
+ /* First allocate our global storage place. */
+ global = talloc(NULL, struct container);
+ sss_ck_fail_if_msg(global == NULL, "Failed to allocate memory");
+
+ /* Allocate foo. */
+ global->foo = rc_alloc(global, struct foo);
+ sss_ck_fail_if_msg(global->foo == NULL, "Failed to allocate memory");
+ SET_FILLER(global->foo);
+ REF_ASSERT(global->foo, 1);
+
+ /* Allocate bar. */
+ global->bar = rc_alloc(global, struct bar);
+ sss_ck_fail_if_msg(global->bar == NULL, "Failed to allocate memory");
+ SET_FILLER(global->bar);
+ REF_ASSERT(global->bar, 1);
+
+ /* Allocate baz. */
+ global->baz = rc_alloc(global, struct baz);
+ sss_ck_fail_if_msg(global->baz == NULL, "Failed to allocate memory");
+ SET_FILLER(global->baz);
+ REF_ASSERT(global->baz, 1);
+
+ /* Try multiple attaches. */
+ containers = talloc_array(NULL, struct container, 100);
+ sss_ck_fail_if_msg(containers == NULL, "Failed to allocate memory");
+ for (i = 0; i < 100; i++) {
+ containers[i].foo = rc_reference(containers, struct foo, global->foo);
+ containers[i].bar = rc_reference(containers, struct bar, global->bar);
+ containers[i].baz = rc_reference(containers, struct baz, global->baz);
+ REF_ASSERT(containers[i].foo, i + 2);
+ REF_ASSERT(global->foo, i + 2);
+ REF_ASSERT(containers[i].bar, i + 2);
+ REF_ASSERT(global->bar, i + 2);
+ REF_ASSERT(containers[i].baz, i + 2);
+ REF_ASSERT(global->baz, i + 2);
+ }
+ talloc_free(containers);
+
+ CHECK_FILLER(global->foo);
+ CHECK_FILLER(global->bar);
+ CHECK_FILLER(global->baz);
+
+ REF_ASSERT(global->foo, 1);
+ REF_ASSERT(global->bar, 1);
+ REF_ASSERT(global->baz, 1);
+
+ talloc_free(global);
+}
+END_TEST
+
+START_TEST(test_refcount_swap)
+{
+ void *tmp_ctx;
+ struct container *container1;
+ struct container *container2;
+
+ tmp_ctx = talloc_new(NULL);
+
+ ck_leaks_push(tmp_ctx);
+
+ container1 = talloc(tmp_ctx, struct container);
+ container2 = talloc(tmp_ctx, struct container);
+
+ /* Allocate. */
+ container1->foo = rc_alloc(container1, struct foo);
+ sss_ck_fail_if_msg(container1->foo == NULL, "Failed to allocate memory");
+ SET_FILLER(container1->foo);
+
+ /* Reference. */
+ container2->foo = rc_reference(container2, struct foo, container1->foo);
+ sss_ck_fail_if_msg(container2->foo == NULL, "Failed to allocate memory");
+
+ /* Make sure everything is as it should be. */
+ ck_assert_msg(container1->foo == container2->foo,
+ "Values have to be equal. %p == %p",
+ container1->foo, container2->foo);
+ REF_ASSERT(container1->foo, 2);
+
+ /* Free in reverse order. */
+ talloc_free(container1);
+ REF_ASSERT(container2->foo, 1);
+ CHECK_FILLER(container2->foo);
+ talloc_free(container2);
+
+ ck_leaks_pop(tmp_ctx);
+ talloc_free(tmp_ctx);
+}
+END_TEST
+
+Suite *create_suite(void)
+{
+ Suite *s = suite_create("refcount");
+
+ TCase *tc = tcase_create("REFCOUNT Tests");
+
+ /* Do some testing */
+ tcase_add_checked_fixture(tc, ck_leak_check_setup, ck_leak_check_teardown);
+ tcase_add_test(tc, test_refcount_basic);
+ tcase_add_test(tc, test_refcount_swap);
+
+ /* Add all test cases to the test suite */
+ suite_add_tcase(s, tc);
+
+ return s;
+}
+
+int main(int argc, const char *argv[])
+{
+ int opt;
+ poptContext pc;
+ int failure_count;
+ Suite *suite;
+ SRunner *sr;
+ int debug = 0;
+
+ struct poptOption long_options[] = {
+ POPT_AUTOHELP
+ SSSD_DEBUG_OPTS
+ POPT_TABLEEND
+ };
+
+ /* Set debug level to invalid value so we can decide if -d 0 was used. */
+ debug_level = SSSDBG_INVALID;
+
+ pc = poptGetContext(argv[0], argc, argv, long_options, 0);
+ while((opt = poptGetNextOpt(pc)) != -1) {
+ switch(opt) {
+ default:
+ fprintf(stderr, "\nInvalid option %s: %s\n\n",
+ poptBadOption(pc, 0), poptStrerror(opt));
+ poptPrintUsage(pc, stderr, 0);
+ return 1;
+ }
+ }
+ poptFreeContext(pc);
+
+ DEBUG_CLI_INIT(debug);
+
+ tests_set_cwd();
+
+ suite = create_suite();
+ sr = srunner_create(suite);
+ /* If CK_VERBOSITY is set, use that, otherwise it defaults to CK_NORMAL */
+ srunner_run_all(sr, CK_ENV);
+ failure_count = srunner_ntests_failed(sr);
+ srunner_free(sr);
+ return (failure_count == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
+}
+
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