Adding upstream version 9.1.upstream/9.1

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

86 files changed, 12109 insertions, 0 deletions

diff --git a/tests/lib/cli/.gitignore b/tests/lib/cli/.gitignore
new file mode 100644
index 0000000..682e95f
--- /dev/null
+++ b/tests/lib/cli/.gitignore
@@ -0,0 +1 @@
+/test_cli.refout
diff --git a/tests/lib/cli/common_cli.c b/tests/lib/cli/common_cli.c
new file mode 100644
index 0000000..e0981b9
--- /dev/null
+++ b/tests/lib/cli/common_cli.c
@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * generic CLI test helper functions
+ *
+ * Copyright (C) 2015 by David Lamparter,
+ *                   for Open Source Routing / NetDEF, Inc.
+ */
+
+#include <zebra.h>
+
+#include "frrevent.h"
+#include "vty.h"
+#include "command.h"
+#include "memory.h"
+#include "lib_vty.h"
+#include "log.h"
+
+#include "common_cli.h"
+
+struct event_loop *master;
+
+int dump_args(struct vty *vty, const char *descr, int argc,
+	      struct cmd_token *argv[])
+{
+	int i;
+	vty_out(vty, "%s with %d args.\n", descr, argc);
+	for (i = 0; i < argc; i++) {
+		vty_out(vty, "[%02d] %s@%s: %s\n", i, argv[i]->text,
+			argv[i]->varname, argv[i]->arg);
+	}
+
+	return CMD_SUCCESS;
+}
+
+static void vty_do_exit(int isexit)
+{
+	printf("\nend.\n");
+	cmd_terminate();
+	vty_terminate();
+	nb_terminate();
+	yang_terminate();
+	event_master_free(master);
+
+	log_memstats(stderr, "testcli");
+	if (!isexit)
+		exit(0);
+}
+
+const struct frr_yang_module_info *const *test_yang_modules = NULL;
+int test_log_prio = ZLOG_DISABLED;
+
+/* main routine. */
+int main(int argc, char **argv)
+{
+	struct event thread;
+	size_t yangcount;
+
+	/* Set umask before anything for security */
+	umask(0027);
+
+	/* master init. */
+	master = event_master_create(NULL);
+
+	zlog_aux_init("NONE: ", test_log_prio);
+
+	/* Library inits. */
+	cmd_init(1);
+	cmd_hostname_set("test");
+	cmd_domainname_set("test.domain");
+
+	vty_init(master, false);
+	lib_cmd_init();
+
+	for (yangcount = 0; test_yang_modules && test_yang_modules[yangcount];
+	     yangcount++)
+		;
+	nb_init(master, test_yang_modules, yangcount, false);
+
+	test_init(argc, argv);
+
+	vty_stdio(vty_do_exit);
+
+	/* Fetch next active thread. */
+	while (event_fetch(master, &thread))
+		event_call(&thread);
+
+	/* Not reached. */
+	exit(0);
+}
diff --git a/tests/lib/cli/common_cli.h b/tests/lib/cli/common_cli.h
new file mode 100644
index 0000000..4a1de94
--- /dev/null
+++ b/tests/lib/cli/common_cli.h
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * generic CLI test helper functions
+ *
+ * Copyright (C) 2015 by David Lamparter,
+ *                   for Open Source Routing / NetDEF, Inc.
+ */
+
+#ifndef _COMMON_CLI_H
+#define _COMMON_CLI_H
+
+#include "zebra.h"
+#include "vty.h"
+#include "command.h"
+#include "northbound.h"
+
+extern const struct frr_yang_module_info *const *test_yang_modules;
+
+/* function to be implemented by test */
+extern void test_init(int argc, char **argv);
+
+/* functions provided by common cli
+ * (includes main())
+ */
+extern struct event_loop *master;
+
+extern int test_log_prio;
+
+extern int dump_args(struct vty *vty, const char *descr, int argc,
+		     struct cmd_token *argv[]);
+
+#define DUMMY_HELPSTR                                                          \
+	"00\n01\n02\n03\n04\n05\n06\n07\n08\n09\n"                             \
+	"10\n11\n12\n13\n14\n15\n16\n17\n18\n19\n"                             \
+	"20\n21\n22\n23\n24\n25\n26\n27\n28\n29\n"
+#define DUMMY_DEFUN(name, cmdstr)                                              \
+	DEFUN(name, name##_cmd, cmdstr, DUMMY_HELPSTR)                         \
+	{                                                                      \
+		return dump_args(vty, #name, argc, argv);                      \
+	}
+
+#endif /* _COMMON_CLI_H */
diff --git a/tests/lib/cli/test_cli.c b/tests/lib/cli/test_cli.c
new file mode 100644
index 0000000..0314735
--- /dev/null
+++ b/tests/lib/cli/test_cli.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * CLI/command dummy handling tester
+ *
+ * Copyright (C) 2015 by David Lamparter,
+ *                   for Open Source Routing / NetDEF, Inc.
+ */
+
+#include <zebra.h>
+
+#include "prefix.h"
+#include "common_cli.h"
+
+DUMMY_DEFUN(cmd0, "arg ipv4 A.B.C.D");
+DUMMY_DEFUN(cmd1, "arg ipv4m A.B.C.D/M");
+DUMMY_DEFUN(cmd2, "arg ipv6 X:X::X:X$foo");
+DUMMY_DEFUN(cmd3, "arg ipv6m X:X::X:X/M");
+DUMMY_DEFUN(cmd4, "arg range (5-15)");
+DUMMY_DEFUN(cmd5, "pat a < a|b>");
+DUMMY_DEFUN(cmd6, "pat b  <a|b A.B.C.D$bar>");
+DUMMY_DEFUN(cmd7, "pat c <a | b|c> A.B.C.D");
+DUMMY_DEFUN(cmd8, "pat d {  foo A.B.C.D$foo|bar   X:X::X:X$bar| baz } [final]");
+DUMMY_DEFUN(cmd9, "pat e [ WORD ]");
+DUMMY_DEFUN(cmd10, "pat f [key]");
+DUMMY_DEFUN(cmd11, "alt a WORD");
+DUMMY_DEFUN(cmd12, "alt a A.B.C.D");
+DUMMY_DEFUN(cmd13, "alt a X:X::X:X");
+DUMMY_DEFUN(cmd14,
+	    "pat g {  foo A.B.C.D$foo|foo|bar   X:X::X:X$bar| baz } [final]");
+DUMMY_DEFUN(cmd15, "no pat g ![ WORD ]");
+DUMMY_DEFUN(cmd16, "[no] pat h {foo ![A.B.C.D$foo]|bar X:X::X:X$bar} final");
+
+#include "tests/lib/cli/test_cli_clippy.c"
+
+DEFPY(magic_test, magic_test_cmd,
+	"magic (0-100) {ipv4net A.B.C.D/M|X:X::X:X$ipv6}",
+	"1\n2\n3\n4\n5\n")
+{
+	vty_out(vty, "def: %s\n", self->string);
+	vty_out(vty, "num: %ld\n", magic);
+	vty_out(vty, "ipv4: %pFX\n", ipv4net);
+	vty_out(vty, "ipv6: %pI6\n", &ipv6);
+	return CMD_SUCCESS;
+}
+
+void test_init(int argc, char **argv)
+{
+	size_t repeat = argc > 1 ? strtoul(argv[1], NULL, 0) : 223;
+
+	install_element(ENABLE_NODE, &cmd0_cmd);
+	install_element(ENABLE_NODE, &cmd1_cmd);
+	install_element(ENABLE_NODE, &cmd2_cmd);
+	install_element(ENABLE_NODE, &cmd3_cmd);
+	install_element(ENABLE_NODE, &cmd4_cmd);
+	install_element(ENABLE_NODE, &cmd5_cmd);
+	install_element(ENABLE_NODE, &cmd6_cmd);
+	install_element(ENABLE_NODE, &cmd7_cmd);
+	install_element(ENABLE_NODE, &cmd8_cmd);
+	install_element(ENABLE_NODE, &cmd9_cmd);
+	install_element(ENABLE_NODE, &cmd10_cmd);
+	install_element(ENABLE_NODE, &cmd11_cmd);
+	install_element(ENABLE_NODE, &cmd12_cmd);
+	install_element(ENABLE_NODE, &cmd13_cmd);
+	for (size_t i = 0; i < repeat; i++) {
+		uninstall_element(ENABLE_NODE, &cmd5_cmd);
+		install_element(ENABLE_NODE, &cmd5_cmd);
+	}
+	for (size_t i = 0; i < repeat; i++) {
+		uninstall_element(ENABLE_NODE, &cmd13_cmd);
+		install_element(ENABLE_NODE, &cmd13_cmd);
+	}
+	install_element(ENABLE_NODE, &cmd14_cmd);
+	install_element(ENABLE_NODE, &cmd15_cmd);
+	install_element(ENABLE_NODE, &cmd16_cmd);
+	install_element(ENABLE_NODE, &magic_test_cmd);
+}
diff --git a/tests/lib/cli/test_cli.in b/tests/lib/cli/test_cli.in
new file mode 100644
index 0000000..bd685a6
--- /dev/null
+++ b/tests/lib/cli/test_cli.in
@@ -0,0 +1,105 @@
+echo this is a  test message
+echo  foo bla  ?  baz
+echo
+
+arg ipv4 1.2.3.4
+arg ipv4 1.2.?3.4
+arg ipv4 1.2.3
+arg ipv4 1.2.3.4.5
+arg ipv4 1.a.3.4
+arg ipv4 blah
+
+arg ipv4m 1.2.3.0/24
+arg ipv4m 1.2.?3.0/24
+arg ipv4m 1.2.3/9
+arg ipv4m 1.2.3.4.5/6
+arg ipv4m 1.a.3.4
+arg ipv4m blah
+arg ipv4m 1.2.3.0/999
+arg ipv4m 1.2.3.0/a9
+arg ipv4m 1.2.3.0/9a
+
+arg ipv6 de4d:b33f::cafe
+arg ipv6 de4d:b3?3f::caf?e
+arg ipv6 de4d:b3	3f::caf?e
+arg ipv6 de4d:b33f:z::cafe
+arg ipv6 de4d:b33f:cafe:
+arg ipv6 ::
+arg ipv6 ::/
+arg ipv6 1:2:3:4:5:6:7:8:9:0:1:2:3:4:5:6:7:8:9:0:1:2:3:4:5:6:7:8:9:0
+arg ipv6 12::34::56
+arg ipv6m dead:beef:cafe::/64
+arg ipv6m dead:be?ef:cafe:?:/64
+
+arg range 4
+arg range 5
+arg range 9?
+arg range 15
+arg range 16
+arg range -1
+arg range 99999999999999999999999999999999999999999
+
+arg ?
+
+pa	
+pat 	
+
+pat a
+pat a a
+pat a ?b
+pat a c?
+pat a a x
+
+pat c a
+pat c a 1.2.3.4
+pat c b 2.3.4
+pat c c ?x
+
+pat d
+pat d 	
+pat d foo 1.2.3.4
+pat d foo
+pat d noooo
+pat d bar 1::2
+pat d bar 1::2 foo 3.4.5.6
+pat d ba?z
+pat d foo 3.4.5.6 baz
+
+pat e
+pat e f
+pat e f g
+pat e 1.2.3.4
+
+pat f
+pat f foo
+pat f key
+
+no pat g
+no pat g test
+no pat g test more
+
+pat h foo ?1.2.3.4 final
+no pat h foo ?1.2.3.4 final
+pat h foo final
+no pat h foo final
+pat h bar final
+no pat h bar final
+pat h bar 1::2 final
+no pat h bar 1::2 final
+pat h bar 1::2 foo final
+no pat h bar 1::2 foo final
+pat h bar 1::2 foo 1.2.3.4 final
+no pat h bar 1::2 foo 1.2.3.4 final
+
+alt a 	a?b
+alt a 1	.2?.3.4
+alt a 1	:2?	::?3
+
+conf t
+do pat d baz
+exit
+
+show run
+conf t
+hostname foohost
+do show run
diff --git a/tests/lib/cli/test_cli.py b/tests/lib/cli/test_cli.py
new file mode 100644
index 0000000..6fdd6fa
--- /dev/null
+++ b/tests/lib/cli/test_cli.py
@@ -0,0 +1,6 @@
+import frrtest
+
+
+class TestCli(frrtest.TestRefOut):
+    program = "./test_cli"
+    built_refout = True
diff --git a/tests/lib/cli/test_cli.refout.in b/tests/lib/cli/test_cli.refout.in
new file mode 100644
index 0000000..8436581
--- /dev/null
+++ b/tests/lib/cli/test_cli.refout.in
@@ -0,0 +1,431 @@
+test# echo this is a  test message

+this is a test message

+test# echo  foo bla  

+% There is no matched command.

+test# echo  foo bla    baz

+foo bla baz

+test# echo

+% Command incomplete.

+test# 

+test# arg ipv4 1.2.3.4

+cmd0 with 3 args.

+[00] arg@(null): arg

+[01] ipv4@(null): ipv4

+[02] A.B.C.D@ipv4: 1.2.3.4

+test# arg ipv4 1.2.

+  A.B.C.D  02

+test# arg ipv4 1.2.3.4

+cmd0 with 3 args.

+[00] arg@(null): arg

+[01] ipv4@(null): ipv4

+[02] A.B.C.D@ipv4: 1.2.3.4

+test# arg ipv4 1.2.3

+% [NONE] Unknown command: arg ipv4 1.2.3

+test# arg ipv4 1.2.3.4.5

+% [NONE] Unknown command: arg ipv4 1.2.3.4.5

+test# arg ipv4 1.a.3.4

+% [NONE] Unknown command: arg ipv4 1.a.3.4

+test# arg ipv4 blah

+% [NONE] Unknown command: arg ipv4 blah

+test# 

+test# arg ipv4m 1.2.3.0/24

+cmd1 with 3 args.

+[00] arg@(null): arg

+[01] ipv4m@(null): ipv4m

+[02] A.B.C.D/M@ipv4m: 1.2.3.0/24

+test# arg ipv4m 1.2.

+  A.B.C.D/M  02

+test# arg ipv4m 1.2.3.0/24

+cmd1 with 3 args.

+[00] arg@(null): arg

+[01] ipv4m@(null): ipv4m

+[02] A.B.C.D/M@ipv4m: 1.2.3.0/24

+test# arg ipv4m 1.2.3/9

+% [NONE] Unknown command: arg ipv4m 1.2.3/9

+test# arg ipv4m 1.2.3.4.5/6

+% [NONE] Unknown command: arg ipv4m 1.2.3.4.5/6

+test# arg ipv4m 1.a.3.4

+% [NONE] Unknown command: arg ipv4m 1.a.3.4

+test# arg ipv4m blah

+% [NONE] Unknown command: arg ipv4m blah

+test# arg ipv4m 1.2.3.0/999

+% [NONE] Unknown command: arg ipv4m 1.2.3.0/999

+test# arg ipv4m 1.2.3.0/a9

+% [NONE] Unknown command: arg ipv4m 1.2.3.0/a9

+test# arg ipv4m 1.2.3.0/9a

+% [NONE] Unknown command: arg ipv4m 1.2.3.0/9a

+test# 

+test# arg ipv6 de4d:b33f::cafe

+cmd2 with 3 args.

+[00] arg@(null): arg

+[01] ipv6@(null): ipv6

+[02] X:X::X:X@foo: de4d:b33f::cafe

+test# arg ipv6 de4d:b3

+  X:X::X:X  02

+test# arg ipv6 de4d:b33f::caf

+  X:X::X:X  02

+test# arg ipv6 de4d:b33f::cafe

+cmd2 with 3 args.

+[00] arg@(null): arg

+[01] ipv6@(null): ipv6

+[02] X:X::X:X@foo: de4d:b33f::cafe

+test# arg ipv6 de4d:b3

+test# arg ipv6 de4d:b33f::caf

+  X:X::X:X  02

+test# arg ipv6 de4d:b33f::cafe

+cmd2 with 3 args.

+[00] arg@(null): arg

+[01] ipv6@(null): ipv6

+[02] X:X::X:X@foo: de4d:b33f::cafe

+test# arg ipv6 de4d:b33f:z::cafe

+% [NONE] Unknown command: arg ipv6 de4d:b33f:z::cafe

+test# arg ipv6 de4d:b33f:cafe:

+% [NONE] Unknown command: arg ipv6 de4d:b33f:cafe:

+test# arg ipv6 ::

+cmd2 with 3 args.

+[00] arg@(null): arg

+[01] ipv6@(null): ipv6

+[02] X:X::X:X@foo: ::

+test# arg ipv6 ::/

+% [NONE] Unknown command: arg ipv6 ::/

+test# arg ipv6 1:2:3:4:5:6:7:8:9:0:1:2:3:4:5:6:7:8:9:0:1:2:3:4:5:6:7:8:9:0

+% [NONE] Unknown command: arg ipv6 1:2:3:4:5:6:7:8:9:0:1:2:3:4:5:6:7:8:9:0:1:2:3:4:5:6:7:8:9:0

+test# arg ipv6 12::34::56

+% [NONE] Unknown command: arg ipv6 12::34::56

+test# arg ipv6m dead:beef:cafe::/64

+cmd3 with 3 args.

+[00] arg@(null): arg

+[01] ipv6m@(null): ipv6m

+[02] X:X::X:X/M@ipv6m: dead:beef:cafe::/64

+test# arg ipv6m dead:be

+  X:X::X:X/M  02

+test# arg ipv6m dead:beef:cafe:

+  X:X::X:X/M  02

+test# arg ipv6m dead:beef:cafe::/64

+cmd3 with 3 args.

+[00] arg@(null): arg

+[01] ipv6m@(null): ipv6m

+[02] X:X::X:X/M@ipv6m: dead:beef:cafe::/64

+test# 

+test# arg range 4

+% [NONE] Unknown command: arg range 4

+test# arg range 5

+cmd4 with 3 args.

+[00] arg@(null): arg

+[01] range@(null): range

+[02] (5-15)@range: 5

+test# arg range 9

+  (5-15)  02

+test# arg range 9

+cmd4 with 3 args.

+[00] arg@(null): arg

+[01] range@(null): range

+[02] (5-15)@range: 9

+test# arg range 15

+cmd4 with 3 args.

+[00] arg@(null): arg

+[01] range@(null): range

+[02] (5-15)@range: 15

+test# arg range 16

+% [NONE] Unknown command: arg range 16

+test# arg range -1

+% [NONE] Unknown command: arg range -1

+test# arg range 99999999999999999999999999999999999999999

+% [NONE] Unknown command: arg range 99999999999999999999999999999999999999999

+test# 

+test# arg 

+  ipv4   01

+  ipv4m  01

+  ipv6   01

+  ipv6m  01

+  range  01

+test# arg 

+% Command incomplete.

+test# 

+test# pa

+test# papat 

+% Command incomplete.

+test# pat 

+a          b          c          d          e          f          

+g          h          

+test# pat 

+% Command incomplete.

+test# 

+test# pat a

+% Command incomplete.

+test# pat a a

+cmd5 with 3 args.

+[00] pat@(null): pat

+[01] a@(null): a

+[02] a@(null): a

+test# pat a 

+  a  02

+  b  03

+test# pat a b

+cmd5 with 3 args.

+[00] pat@(null): pat

+[01] a@(null): a

+[02] b@(null): b

+test# pat a c

+% There is no matched command.

+test# pat a c

+% [NONE] Unknown command: pat a c

+test# pat a a x

+% [NONE] Unknown command: pat a a x

+test# 

+test# pat c a

+% Command incomplete.

+test# pat c a 1.2.3.4

+cmd7 with 4 args.

+[00] pat@(null): pat

+[01] c@(null): c

+[02] a@(null): a

+[03] A.B.C.D@(null): 1.2.3.4

+test# pat c b 2.3.4

+% [NONE] Unknown command: pat c b 2.3.4

+test# pat c c 

+  A.B.C.D  05

+test# pat c c x

+% [NONE] Unknown command: pat c c x

+test# 

+test# pat d

+% Command incomplete.

+test# pat d 

+bar        baz        foo        

+test# pat d 

+% Command incomplete.

+test# pat d foo 1.2.3.4

+cmd8 with 4 args.

+[00] pat@(null): pat

+[01] d@(null): d

+[02] foo@(null): foo

+[03] A.B.C.D@foo: 1.2.3.4

+test# pat d foo

+% Command incomplete.

+test# pat d noooo

+% [NONE] Unknown command: pat d noooo

+test# pat d bar 1::2

+cmd8 with 4 args.

+[00] pat@(null): pat

+[01] d@(null): d

+[02] bar@(null): bar

+[03] X:X::X:X@bar: 1::2

+test# pat d bar 1::2 foo 3.4.5.6

+cmd8 with 6 args.

+[00] pat@(null): pat

+[01] d@(null): d

+[02] bar@(null): bar

+[03] X:X::X:X@bar: 1::2

+[04] foo@(null): foo

+[05] A.B.C.D@foo: 3.4.5.6

+test# pat d ba

+  bar  04

+  baz  06

+test# pat d baz

+cmd8 with 3 args.

+[00] pat@(null): pat

+[01] d@(null): d

+[02] baz@(null): baz

+test# pat d foo 3.4.5.6 baz

+cmd8 with 5 args.

+[00] pat@(null): pat

+[01] d@(null): d

+[02] foo@(null): foo

+[03] A.B.C.D@foo: 3.4.5.6

+[04] baz@(null): baz

+test# 

+test# pat e

+cmd9 with 2 args.

+[00] pat@(null): pat

+[01] e@(null): e

+test# pat e f

+cmd9 with 3 args.

+[00] pat@(null): pat

+[01] e@(null): e

+[02] WORD@e: f

+test# pat e f g

+% [NONE] Unknown command: pat e f g

+test# pat e 1.2.3.4

+cmd9 with 3 args.

+[00] pat@(null): pat

+[01] e@(null): e

+[02] WORD@e: 1.2.3.4

+test# 

+test# pat f

+cmd10 with 2 args.

+[00] pat@(null): pat

+[01] f@(null): f

+test# pat f foo

+% [NONE] Unknown command: pat f foo

+test# pat f key

+cmd10 with 3 args.

+[00] pat@(null): pat

+[01] f@(null): f

+[02] key@(null): key

+test# 

+test# no pat g

+cmd15 with 3 args.

+[00] no@(null): no

+[01] pat@(null): pat

+[02] g@(null): g

+test# no pat g test

+cmd15 with 4 args.

+[00] no@(null): no

+[01] pat@(null): pat

+[02] g@(null): g

+[03] WORD@g: test

+test# no pat g test more

+% [NONE] Unknown command: no pat g test more

+test# 

+test# pat h foo 

+  A.B.C.D  04

+test# pat h foo 1.2.3.4 final

+cmd16 with 5 args.

+[00] pat@(null): pat

+[01] h@(null): h

+[02] foo@(null): foo

+[03] A.B.C.D@foo: 1.2.3.4

+[04] final@(null): final

+test# no pat h foo 

+  A.B.C.D  04

+  bar      05

+  final    07

+test# no pat h foo 1.2.3.4 final

+cmd16 with 6 args.

+[00] no@no: no

+[01] pat@(null): pat

+[02] h@(null): h

+[03] foo@(null): foo

+[04] A.B.C.D@foo: 1.2.3.4

+[05] final@(null): final

+test# pat h foo final

+% [NONE] Unknown command: pat h foo final

+test# no pat h foo final

+cmd16 with 5 args.

+[00] no@no: no

+[01] pat@(null): pat

+[02] h@(null): h

+[03] foo@(null): foo

+[04] final@(null): final

+test# pat h bar final

+% [NONE] Unknown command: pat h bar final

+test# no pat h bar final

+% [NONE] Unknown command: no pat h bar final

+test# pat h bar 1::2 final

+cmd16 with 5 args.

+[00] pat@(null): pat

+[01] h@(null): h

+[02] bar@(null): bar

+[03] X:X::X:X@bar: 1::2

+[04] final@(null): final

+test# no pat h bar 1::2 final

+cmd16 with 6 args.

+[00] no@no: no

+[01] pat@(null): pat

+[02] h@(null): h

+[03] bar@(null): bar

+[04] X:X::X:X@bar: 1::2

+[05] final@(null): final

+test# pat h bar 1::2 foo final

+% [NONE] Unknown command: pat h bar 1::2 foo final

+test# no pat h bar 1::2 foo final

+cmd16 with 7 args.

+[00] no@no: no

+[01] pat@(null): pat

+[02] h@(null): h

+[03] bar@(null): bar

+[04] X:X::X:X@bar: 1::2

+[05] foo@(null): foo

+[06] final@(null): final

+test# pat h bar 1::2 foo 1.2.3.4 final

+cmd16 with 7 args.

+[00] pat@(null): pat

+[01] h@(null): h

+[02] bar@(null): bar

+[03] X:X::X:X@bar: 1::2

+[04] foo@(null): foo

+[05] A.B.C.D@foo: 1.2.3.4

+[06] final@(null): final

+test# no pat h bar 1::2 foo 1.2.3.4 final

+cmd16 with 8 args.

+[00] no@no: no

+[01] pat@(null): pat

+[02] h@(null): h

+[03] bar@(null): bar

+[04] X:X::X:X@bar: 1::2

+[05] foo@(null): foo

+[06] A.B.C.D@foo: 1.2.3.4

+[07] final@(null): final

+test# 

+test# alt a 

+test# alt a a

+  WORD      02

+  X:X::X:X  02

+test# alt a ab

+cmd11 with 3 args.

+[00] alt@(null): alt

+[01] a@(null): a

+[02] WORD@a: ab

+test# alt a 1

+test# alt a 1.2

+  A.B.C.D  02

+  WORD     02

+test# alt a 1.2.3.4

+cmd12 with 3 args.

+[00] alt@(null): alt

+[01] a@(null): a

+[02] A.B.C.D@a: 1.2.3.4

+test# alt a 1

+test# alt a 1:2

+  WORD      02

+  X:X::X:X  02

+test# alt a 1:2

+test# alt a 1:2::

+  WORD      02

+  X:X::X:X  02

+test# alt a 1:2::3

+cmd13 with 3 args.

+[00] alt@(null): alt

+[01] a@(null): a

+[02] X:X::X:X@a: 1:2::3

+test# 

+test# conf t

+test(config)# do pat d baz

+cmd8 with 3 args.

+[00] pat@(null): pat

+[01] d@(null): d

+[02] baz@(null): baz

+test(config)# exit

+test# 

+test# show run

+

+Current configuration:

+!

+frr version @PACKAGE_VERSION@

+frr defaults @DFLT_NAME@

+!

+hostname test

+domainname test.domain

+!

+!

+!

+!

+end

+test# conf t

+test(config)# hostname foohost

+foohost(config)# do show run

+

+Current configuration:

+!

+frr version @PACKAGE_VERSION@

+frr defaults @DFLT_NAME@

+!

+hostname foohost

+domainname test.domain

+!

+!

+!

+!

+end

+foohost(config)# 
+end.
diff --git a/tests/lib/cli/test_commands.c b/tests/lib/cli/test_commands.c
new file mode 100644
index 0000000..ea84120
--- /dev/null
+++ b/tests/lib/cli/test_commands.c
@@ -0,0 +1,401 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Test code for lib/command.c
+ *
+ * Copyright (C) 2013 by Open Source Routing.
+ * Copyright (C) 2013 by Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This program reads in a list of commandlines from stdin
+ * and calls all the public functions of lib/command.c for
+ * both the given command lines and fuzzed versions thereof.
+ *
+ * The output is currently not validated but only logged. It can
+ * be diffed to find regressions between versions.
+ */
+
+#define REALLY_NEED_PLAIN_GETOPT 1
+
+#include <zebra.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "command.h"
+#include "memory.h"
+#include "vector.h"
+#include "prng.h"
+
+extern vector cmdvec;
+extern struct cmd_node vty_node;
+extern void test_init_cmd(void); /* provided in test-commands-defun.c */
+
+struct event_loop *master; /* dummy for libfrr*/
+
+static vector test_cmds;
+static char test_buf[32768];
+
+static struct cmd_node bgp_node = {
+	.name = "bgp",
+	.node = BGP_NODE,
+	.parent_node = CONFIG_NODE,
+	.prompt = "%s(config-router)# ",
+};
+
+static struct cmd_node rip_node = {
+	.name = "rip",
+	.node = RIP_NODE,
+	.parent_node = CONFIG_NODE,
+	.prompt = "%s(config-router)# ",
+};
+
+static struct cmd_node isis_node = {
+	.name = "isis",
+	.node = ISIS_NODE,
+	.parent_node = CONFIG_NODE,
+	.prompt = "%s(config-router)# ",
+};
+
+static struct cmd_node interface_node = {
+	.name = "interface",
+	.node = INTERFACE_NODE,
+	.parent_node = CONFIG_NODE,
+	.prompt = "%s(config-if)# ",
+};
+
+static struct cmd_node rmap_node = {
+	.name = "routemap",
+	.node = RMAP_NODE,
+	.parent_node = CONFIG_NODE,
+	.prompt = "%s(config-route-map)# ",
+};
+
+static struct cmd_node zebra_node = {
+	.name = "zebra",
+	.node = ZEBRA_NODE,
+	.parent_node = CONFIG_NODE,
+	.prompt = "%s(config-router)# ",
+};
+
+static struct cmd_node bgp_vpnv4_node = {
+	.name = "bgp vpnv4",
+	.node = BGP_VPNV4_NODE,
+	.parent_node = BGP_NODE,
+	.prompt = "%s(config-router-af)# ",
+};
+
+static struct cmd_node bgp_ipv4_node = {
+	.name = "bgp ipv4 unicast",
+	.node = BGP_IPV4_NODE,
+	.parent_node = BGP_NODE,
+	.prompt = "%s(config-router-af)# ",
+};
+
+static struct cmd_node bgp_ipv4m_node = {
+	.name = "bgp ipv4 multicast",
+	.node = BGP_IPV4M_NODE,
+	.parent_node = BGP_NODE,
+	.prompt = "%s(config-router-af)# ",
+};
+
+static struct cmd_node bgp_ipv6_node = {
+	.name = "bgp ipv6",
+	.node = BGP_IPV6_NODE,
+	.parent_node = BGP_NODE,
+	.prompt = "%s(config-router-af)# ",
+};
+
+static struct cmd_node bgp_ipv6m_node = {
+	.name = "bgp ipv6 multicast",
+	.node = BGP_IPV6M_NODE,
+	.parent_node = BGP_NODE,
+	.prompt = "%s(config-router-af)# ",
+};
+
+static struct cmd_node ospf_node = {
+	.name = "ospf",
+	.node = OSPF_NODE,
+	.parent_node = CONFIG_NODE,
+	.prompt = "%s(config-router)# ",
+};
+
+static struct cmd_node ripng_node = {
+	.name = "ripng",
+	.node = RIPNG_NODE,
+	.parent_node = CONFIG_NODE,
+	.prompt = "%s(config-router)# ",
+};
+
+static struct cmd_node ospf6_node = {
+	.name = "ospf6",
+	.node = OSPF6_NODE,
+	.parent_node = CONFIG_NODE,
+	.prompt = "%s(config-ospf6)# ",
+};
+
+static struct cmd_node keychain_node = {
+	.name = "keychain",
+	.node = KEYCHAIN_NODE,
+	.parent_node = CONFIG_NODE,
+	.prompt = "%s(config-keychain)# ",
+};
+
+static struct cmd_node keychain_key_node = {
+	.name = "keychain key",
+	.node = KEYCHAIN_KEY_NODE,
+	.parent_node = KEYCHAIN_NODE,
+	.prompt = "%s(config-keychain-key)# ",
+};
+
+static int test_callback(const struct cmd_element *cmd, struct vty *vty,
+			 int argc, struct cmd_token *argv[])
+{
+	int offset;
+	int rv;
+	int i;
+
+	offset = 0;
+	rv = snprintf(test_buf, sizeof(test_buf), "'%s'", cmd->string);
+	if (rv < 0)
+		abort();
+
+	offset += rv;
+
+	for (i = 0; i < argc; i++) {
+		rv = snprintf(test_buf + offset, sizeof(test_buf) - offset,
+			      "%s'%s'", (i == 0) ? ": " : ", ", argv[i]->arg);
+		if (rv < 0)
+			abort();
+		offset += rv;
+	}
+
+	return CMD_SUCCESS;
+}
+
+static void test_load(void)
+{
+	char line[4096];
+
+	test_cmds = vector_init(VECTOR_MIN_SIZE);
+
+	while (fgets(line, sizeof(line), stdin) != NULL) {
+		if (strlen(line))
+			line[strlen(line) - 1] = '\0';
+		if (line[0] == '#')
+			continue;
+		vector_set(test_cmds, XSTRDUP(MTYPE_TMP, line));
+	}
+}
+
+static void test_init(void)
+{
+	unsigned int node;
+	unsigned int i;
+	struct cmd_node *cnode;
+	struct cmd_element *cmd;
+
+	cmd_init(1);
+	nb_init(master, NULL, 0, false);
+
+	install_node(&bgp_node);
+	install_node(&rip_node);
+	install_node(&interface_node);
+	install_node(&rmap_node);
+	install_node(&zebra_node);
+	install_node(&bgp_vpnv4_node);
+	install_node(&bgp_ipv4_node);
+	install_node(&bgp_ipv4m_node);
+	install_node(&bgp_ipv6_node);
+	install_node(&bgp_ipv6m_node);
+	install_node(&ospf_node);
+	install_node(&ripng_node);
+	install_node(&ospf6_node);
+	install_node(&keychain_node);
+	install_node(&keychain_key_node);
+	install_node(&isis_node);
+	install_node(&vty_node);
+
+	test_init_cmd();
+
+	for (node = 0; node < vector_active(cmdvec); node++)
+		if ((cnode = vector_slot(cmdvec, node)) != NULL)
+			for (i = 0; i < vector_active(cnode->cmd_vector); i++)
+				if ((cmd = vector_slot(cnode->cmd_vector, i))
+				    != NULL) {
+					cmd->daemon = 0;
+					cmd->func = test_callback;
+				}
+	test_load();
+	vty_init_vtysh();
+}
+
+static void test_terminate(void)
+{
+	unsigned int i;
+
+	vty_terminate();
+	for (i = 0; i < vector_active(test_cmds); i++)
+		XFREE(MTYPE_TMP, vector_slot(test_cmds, i));
+	vector_free(test_cmds);
+	cmd_terminate();
+	nb_terminate();
+	yang_terminate();
+}
+
+static void test_run(struct prng *prng, struct vty *vty, const char *cmd,
+		     unsigned int edit_dist, unsigned int node_index,
+		     int verbose)
+{
+	const char *test_str;
+	vector vline;
+	int ret;
+	unsigned int i;
+	char **completions;
+	unsigned int j;
+	struct cmd_node *cnode;
+	vector descriptions;
+	int appended_null;
+	int no_match;
+
+	test_str = prng_fuzz(
+		prng, cmd,
+		"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_:. /",
+		edit_dist);
+	vline = cmd_make_strvec(test_str);
+
+	if (vline == NULL)
+		return;
+
+	appended_null = 0;
+	for (i = 0; i < vector_active(cmdvec); i++)
+		if ((cnode = vector_slot(cmdvec, i)) != NULL) {
+			if (node_index != (unsigned int)-1 && i != node_index)
+				continue;
+
+			if (appended_null) {
+				vector_unset(vline, vector_active(vline) - 1);
+				appended_null = 0;
+			}
+			vty->node = cnode->node;
+			test_buf[0] = '\0';
+			ret = cmd_execute_command(vline, vty, NULL, 0);
+			no_match = (ret == CMD_ERR_NO_MATCH);
+			if (verbose || !no_match)
+				printf("execute relaxed '%s'@%d: rv==%d%s%s\n",
+				       test_str, cnode->node, ret,
+				       (test_buf[0] != '\0') ? ", " : "",
+				       test_buf);
+
+			vty->node = cnode->node;
+			test_buf[0] = '\0';
+			ret = cmd_execute_command_strict(vline, vty, NULL);
+			if (verbose || !no_match)
+				printf("execute strict '%s'@%d: rv==%d%s%s\n",
+				       test_str, cnode->node, ret,
+				       (test_buf[0] != '\0') ? ", " : "",
+				       test_buf);
+
+			if (isspace((unsigned char)test_str[
+				    strlen(test_str) - 1])) {
+				vector_set(vline, NULL);
+				appended_null = 1;
+			}
+
+			vty->node = cnode->node;
+			completions = cmd_complete_command(vline, vty, &ret);
+			if (verbose || !no_match)
+				printf("complete '%s'@%d: rv==%d\n", test_str,
+				       cnode->node, ret);
+			if (completions != NULL) {
+				for (j = 0; completions[j] != NULL; j++) {
+					printf("  '%s'\n", completions[j]);
+					XFREE(MTYPE_TMP, completions[j]);
+				}
+				XFREE(MTYPE_TMP, completions);
+			}
+
+			vty->node = cnode->node;
+			descriptions = cmd_describe_command(vline, vty, &ret);
+			if (verbose || !no_match)
+				printf("describe '%s'@%d: rv==%d\n", test_str,
+				       cnode->node, ret);
+			if (descriptions != NULL) {
+				for (j = 0; j < vector_active(descriptions);
+				     j++) {
+					struct cmd_token *ct =
+						vector_slot(descriptions, j);
+					printf("  '%s' '%s'\n", ct->text,
+					       ct->desc);
+				}
+				vector_free(descriptions);
+			}
+		}
+	cmd_free_strvec(vline);
+}
+
+int main(int argc, char **argv)
+{
+	int opt;
+	struct prng *prng;
+	struct vty *vty;
+	unsigned int edit_distance;
+	unsigned int max_edit_distance;
+	unsigned int node_index;
+	int verbose;
+	unsigned int test_cmd;
+	unsigned int iteration;
+	unsigned int num_iterations;
+
+	max_edit_distance = 3;
+	node_index = -1;
+	verbose = 0;
+
+	while ((opt = getopt(argc, argv, "e:n:v")) != -1) {
+		switch (opt) {
+		case 'e':
+			max_edit_distance = atoi(optarg);
+			break;
+		case 'n':
+			node_index = atoi(optarg);
+			break;
+		case 'v':
+			verbose++;
+			break;
+		default:
+			fprintf(stderr,
+				"Usage: %s [-e <edit_dist>] [-n <node_idx>] [-v]\n",
+				argv[0]);
+			exit(1);
+			break;
+		}
+	}
+
+	test_init();
+	prng = prng_new(0);
+
+	vty = vty_new();
+	vty->type = VTY_TERM;
+
+	fprintf(stderr, "Progress:\n0/%u", vector_active(test_cmds));
+	for (test_cmd = 0; test_cmd < vector_active(test_cmds); test_cmd++) {
+		for (edit_distance = 0; edit_distance <= max_edit_distance;
+		     edit_distance++) {
+			num_iterations = 1 << edit_distance;
+			num_iterations *= num_iterations * num_iterations;
+
+			for (iteration = 0; iteration < num_iterations;
+			     iteration++)
+				test_run(prng, vty,
+					 vector_slot(test_cmds, test_cmd),
+					 edit_distance, node_index, verbose);
+		}
+		fprintf(stderr, "\r%u/%u", test_cmd + 1,
+			vector_active(test_cmds));
+	}
+	fprintf(stderr, "\nDone.\n");
+
+	vty_close(vty);
+	prng_free(prng);
+	test_terminate();
+	return 0;
+}
diff --git a/tests/lib/cli/test_commands.in b/tests/lib/cli/test_commands.in
new file mode 100644
index 0000000..7fe6279
--- /dev/null
+++ b/tests/lib/cli/test_commands.in
@@ -0,0 +1,216 @@
+#
+#
+# Some randomly chosen valid commands
+#
+#
+area 0 virtual-link 1.2.3.4 authentication null message-digest-key 1 md5 VARIABLE
+area 0 virtual-link 1.2.3.4 dead-interval 1 hello-interval 1 retransmit-interval 1 transmit-delay 1
+area 0 virtual-link 1.2.3.4 retransmit-interval 1 retransmit-interval 1 dead-interval 1 retransmit-interval 1
+area 1.2.3.4 virtual-link 1.2.3.4 hello-interval 1 hello-interval 1 dead-interval 1
+area 1.2.3.4 virtual-link 1.2.3.4 retransmit-interval 1 retransmit-interval 1 transmit-delay 1 dead-interval 1
+clear bgp 1 out
+clear bgp ipv6 2001:db8::1 out
+clear bgp view VARIABLE * soft
+clear ip bgp 1.2.3.4 ipv4 multicast out
+ipv6 nd prefix 2001:db8::/32 infinite infinite no-autoconfig
+ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1
+network 1.0.0.0/8 area 0
+no area 1.2.3.4 virtual-link 1.2.3.4 hello-interval dead-interval hello-interval transmit-delay
+no area 1.2.3.4 virtual-link 1.2.3.4 hello-interval dead-interval retransmit-interval transmit-delay
+no area 1.2.3.4 virtual-link 1.2.3.4 retransmit-interval dead-interval retransmit-interval hello-interval
+no area 1.2.3.4 virtual-link 1.2.3.4 transmit-delay retransmit-interval retransmit-interval hello-interval
+no bgp graceful-restart
+no ipv6 nd mtu 1
+no neighbor 1.2.3.4 distribute-list 1 in
+no neighbor 2001:db8::1 send-community both
+no neighbor VARIABLE maximum-prefix
+redistribute isis route-map VARIABLE metric 0 metric-type 2
+redistribute rip metric 0 route-map VARIABLE metric-type 1
+show bgp community VARIABLE local-AS no-export VARIABLE exact-match
+show bgp ipv6 community no-advertise no-export no-export no-export
+show bgp ipv6 community VARIABLE local-AS local-AS no-advertise exact-match
+show bgp ipv6 community VARIABLE local-AS VARIABLE local-AS exact-match
+show bgp view VARIABLE
+show bgp view VARIABLE ipv4 multicast community no-export no-export local-AS VARIABLE
+show bgp view VARIABLE ipv4 unicast community local-AS no-advertise no-advertise local-AS
+show bgp view VARIABLE ipv4 unicast community no-export VARIABLE no-advertise
+show bgp view VARIABLE ipv4 unicast community VARIABLE local-AS no-export VARIABLE
+show bgp view VARIABLE ipv6 multicast community no-advertise VARIABLE no-advertise local-AS
+show ip bgp community no-advertise local-AS no-advertise VARIABLE
+show ip bgp ipv4 unicast community no-advertise VARIABLE no-advertise local-AS exact-match
+show ip bgp ipv4 unicast community no-export VARIABLE local-AS VARIABLE exact-match
+show ip bgp ipv4 unicast community no-export VARIABLE no-export local-AS exact-match
+show ipv6 bgp community no-export no-export VARIABLE VARIABLE
+show ipv6 bgp community VARIABLE local-AS no-advertise no-advertise exact-match
+show ipv6 mbgp community local-AS local-AS local-AS VARIABLE exact-match
+show ipv6 mbgp community local-AS local-AS no-export no-export exact-match
+show ipv6 mbgp community no-export no-export local-AS no-export exact-match
+show ipv6 ospf6 database as-external dump
+show ipv6 ospf6 database inter-prefix 1.2.3.4 detail
+show ipv6 ospf6 database intra-prefix 1.2.3.4 internal
+#
+#
+# Slightly Fuzzed commands
+#
+#
+a8ra 0 range 1.0.0.0/8 adverOise
+accept-lifetime VARIABE 1 VA6IABLE 19I3 VARIABLE 1 VARIABLE 1993
+arAea 1.2.M.4 virtual-link 1.2.3.4 dead-interval 1 dead-interval 1 dead-inter6val 1 transmit-delay 1
+area 0 virtu0al-link 1.2.3.i hello-interval 1 ello-interval 1 transmit-delay 1 retransmit-interval 1
+area 0 virtual-lin 1.2.3.4 retransmit-interval 1 tranwmit-delay 1 retransmit-interval 1 retransmit-interval 1
+area 0 virtual-link 1.2.3.4 retransmit-interal 1 trasmit-dely 1
+area 1.2.3.4 virtual-link 1.2.3.4 deadCinterval 1  dead-intervalK 1 retransmit-interval 1 dead-interval 1
+area 1.2.3.4 virtual-link 1.2.3.4 dead-intervalo I1 dead-interval 1 retransmit-interval1 dead-interval 1
+area 1.2.3.4 virtual-link 1.2.3.4 hello-interval 1 dead-interva 1 retransmit-interval 1 transmit-delay 1
+area 1.2.3.4 virtuyl-link 1.2.3.4 dead-interval 1 dead-inervalI 1 retransmit-interval 1 dead-interval 1
+area 1.2.3.4 virual-link 1.2.34 retransmit-interval 1 dead-interval 1 dead-interva 1
+area1.2.83.4 virtual-link 1.2.3.4 retra0smit-interval 1 dead-interval 1 dead-interval 1
+clear bgAp 2001g:dbK::1
+clear ip bgp 1.2.3.4 pv4 mlticat out
+cleau bg i2001:db8::1 rsclient
+de:ug ospf6 messag2 lsreq :recv
+how ip bgp communiQy no-advertise no-adve:tise no-advertise
+ip route 1.0Q0.0/8 1.2.3.s4 reGject
+ipv6 nd prefix 2O01:db8::/32 0 infinEite off-link
+ipv6 nwd prefix 2001:db8::/32 0 infinite oUUff-link
+ipv6 route 2001:db8::/32q2001:db8:k: blackhole 1
+kshow ip rIute bgp
+matcch peer .2.30.4
+mcogin
+mhow ipv6 mbgp community o-advertise yocal-AS no-advertise
+neighbor1.2..4 attribute-unchnged next-hop
+neihbcr 2001:d b8::1 distribute-list 1 in
+nko key-tqring
+no area 0 viertual-link 1.2.3k.4 retransmit-iterval retransmit-interval retransmit-interval hello-interval
+no area 0 virtual-link 1.2.3.4 dead-intaerval dead-intervIl hello-interval retransmit-interval
+no area 0 virtual-link 1.2.3.4 retransmit-interval retransmit-intervIl dead-interval tranImit-deqlay
+no area 0 virtual-link S1.2.3.4 d-ead-interval hello-interval transmit-deay transmit-delay
+no area 1.2.3.4 virtua -link 1.2.3.4 transmit-delay hello-interval hello-interval retransmt-interval
+no area 1.2.3.4 virtual-link 1.2.3.4 dea-iterval retransmit-interva- dead-interval hello-interval
+no area 1.2.3.4 virtual-link 1.2.3.4 hello-interSval dead-interval retransmit-interval transmitdelay
+no a:rea 1.2.3.4 virtual-link 1.2.3.4 retransmit-interSvalW dead-interval retransmit-interval hello-interval
+noarea 1.2.3.4 virtual-link 1.2.3.4 retransmit-interval trynsmit-delay hello-interval
+no area 1.2.3.4 virtual-link 1.2.3.4 transmt:delay retransmit-interval retransmit-interval dead-Mnterval
+no ares 1.2.3.4 virtual-link 1.2.3.4 dead-interval retransmit-interval dead-inesval retransmit-interval
+no ayrea 1.2.3.4 virtual-link 1.2.3.4 retransmit-interval transmi-delay hello-interval
+no bg2 grace2fuy-restart
+no debug ospk6 nter2face
+noimatch ipv6 addrMss VARIABLE
+nomStch iA next-hop prefix-list
+no neighbCr 200 :db8::1oroute-map VARIABLE export
+no neighbor VARIABLE attributeaw8changed next-hop
+no orea 1.2.3.4 virtual-link 1.2.3.4 retransmit-interval ead-interval retransmit-inteSval hello-interval
+no ospcdead-inkerval
+no redistribute kernelrote-map VARIABLE metric 0
+no redistribute s4taik metric 0
+nos Ceighbor 1.2.3.4 route-mapEVARIABLE in
+o :neighbor VAIABLE attribute-unchanged next-hop
+ooa router ip
+redistribute isis meGtric-type2 Q route-map VARIABLE
+redistribute static metric-type 1 metri 0 rowute-map VARIABLE
+set-Koveroadbit
+sh2w ipv6 mbgp  comAunity VARIABLE
+shgw bgp ipv6 community no-export VARIABLE no-xport no-expmrt
+shiow Wgp neighbors
+shoAw ip bgpipv4 unicast com6munity no-export no-export no-advertise no-export exact-match
+sho bgp view gARIABLE nyeighbors 2001:db8::1 received-routes
+shoow bgp ommunity local-AS no--export
+show6 bgp community no-advertise local4-AS no-advertise VARIABLE exact-math
+show8 bgp view VARIABLE ipv4 multicast community ARIABLE VARIABLE local-S
+show bgp cCommunity VARIABLE VOARIABL no-advertise
+show bgp cimAunity loal-AS local-AS no-export local-AS
+show bgp cmmunity n-advertise no-export local-S no-advertise
+show bgp communi0y no-export no-Cexport no-0xport no-export
+show bgp communityOlocal-A no-advertise local-WAS
+show bgp community VARIABL no-agdvertise locl-AS no-advertise exact-match
+show bgp communiy no-export no-adsvertise VARIABLOE local-AS
+show bgp communiYty no-export VARIABLE VARIABLE locali-AS exact-math
+show bgp commuUityW no-advertis local-AS no-advertise no-advertise
+show bgp commuWnity VAIABLE local-AS no-advertise n-export
+show bgp com:unity no-exportqno-export VARIABLE no-expoIrt exact-match
+show bgp ipv6 community local-AS no-expor no-xport VARIABCLE
+show bgp ipv6 community no-adsertise local-AS no8-advertise VARIABLE
+show bgp ipv6 community no-advertise no6-export lcal-AS local-AS
+show bgp ipv6 community no-advertise no-advertise no-advertiseno-xport exact-math
+show bgp ipv6 comm-unity no-advertise no-export local-AS local-kS exact-match
+show bgp ipv6 community no-export local-AS no-adertise no-adve-tie
+show bgp ipv6 community yno-advertis VAyRIABLE no-advertise VARIABLE
+show bgp naighbors 201:db8::1 rUeceived-routes
+show bgp viewVAIABLE ipv4 multicast community VARIABLE4no-export no-advertise local-AS
+show bgp view VAR0IABLE ipv4 unicast community local-AS no-advertie no-advertise local-AS
+show bgp view VARIABLE ipv4 multicast community local-AS VARIABLE loqal-AS no-export
+show bgp view VARIABLE ipv4 multicast omsunity local-AS VARIABLE no-advertise nUo-export
+show bgp view VARIABLE ipv4 mutiast community no-export no-export VARIBLE no-export
+show bgp view VARIABLE ipv4 unicast 0community VARIABqLE local-AS no-export VARIABwE
+show bgp view VARIABLE ipv4 unicast communeity no-export AcRIABLE no-advertise local-AS
+show bgp view VARIABLE ipv4 unicasU comunity no-export VARIABL no-advertise
+show bgp view VARIABLE ipv6 unicast cocmmunity VARIABLE no-advet6ise VARIABLE
+show bgp view VARIABLE ipvk4 unicast communty no-advertie local-AS local-AS no-export
+show bgp view VARIALE ipv4 multicast cyommunity no-xport local-AS local-AS
+show i6 bge community no-export VARIABLE no-advegtise VARIABLE exact-match
+show iI bgp community no-advertise no-ad2vertsse VARIABLE exact-match
+show ip6osp6 database dump
+show ipA6 bgp community local-AS local-AS no-advertse lo:cal-AS
+show ip bg comunity VARIABLE lcal-AS no-advertise
+show ip bgp communityno-export2no-export no-advertise locaE-AS
+Show ip bgp community no-export loqcal-AS no-adverise no-export
+show ip bgp community no-expor VARIABLEono-export VARIAuBLE
+show ip bgp community VARIABLElocal-AS no-advertise local-AS xack-match
+show ip bgp cWmmunity no-expoWrt VARIABLE no-advertise VARIABLEexact-match
+show ip bgp ip4 nicast community no-advertise no-expoIt local-AS local-AS exact-match
+show ip bgp ipAv4 multicast community no-export no-export no-export no-advertiqe exact-mach
+show ip bgp ipv4 Aulticast community no-advertise VARIABLE no-advertisKe no-exort
+show ip bgp ipv4 meuqlticast community VARIABLE VARIABLE no-export n-export
+show ip bgp ipv4 mlticast coQmmunity localg-AS local-AS no-advertise local-AS
+show ip bgp ipv4 multicast communiy VARIABLE no-export VARIABLE no-advertise yxact-atch
+show ip bgp ipv4 unicast commu0nity local-AS no-export no-exrt VARIABLE exact-match
+show ip bgp ipv4 unicast community no-advertise no-export no-advrtWise mno-export exact-match
+showip bgp ipv4 unicast community no-export VARIABLE no-exp-ort VAR6IABLE exact-match
+show ip bgp ipv4 unicat community no-exportlocal-AS VARIABLE no-export exa0t-match
+show ip bgp ipv4 unicst community no-advertiseG local-AS no-advertise
+show ip bgp i:v4 multicast community VARIABLE VARIABLE VARIABLE no-export eMxact-match
+show ip bgp Mv4 unicast community no-export VARIABLE VARIABLE VAoRIABLE
+show ipgexecommunity-list 1
+show ipkv6 bgp community no-export no-export VARIABL VARIBLE
+show ipv6 bgp commu2nity local-AS local-AS noEadvertise local-AS
+show ipv6 bgp communitK VARIABLE lcocal-AS no-advertie no-advertise exact-match
+show ipv6 bgp community noeexport VARIABLE VARIABLE no-aMdverise exact-match
+show ipv6 bgp community no-export loal-AS noK-advertise VARIABLE
+show ipv6 bgp community VARIABaE no-export no-adertise lo0cal-AS exact-match
+show ipv6 bgp community wARIBLE VARIABLE 8ARIABLE
+show ipv6 bgp comu-ity VARIABLE local-AS no-advertise no-export exact-match
+show ipv6 bgp comunity no- export local-AS no-advertisge VARIABLE
+show ipv6 bgp ommunity sno-advcrtise VARIABLE no-export no-advertise exact-match
+show ipv6 igp community no-advertise no-advertise no-ecxpo0rt no-export
+show ipv6 mb communyty VARIABLE
+show ipv6 osp8f6 database nQtwork adv-ruter 1.2.3.4 detail
+show ipv6 ospf6 dataase type-7 adv-router 1.2.3.4 inernal
+show ipv6 ospf6 Edatabase intuer8-prefix 1.2.3.4 detail
+show ipvq6 ospf6 database as-externa detil
+show ip Wbgp ipv4 unicast community no-advertise no-exprt no-export VARIABLEK exact-match
+show ip Ybgp attribute-in ufo
+showMbgp ipv6 community ARIABLE local-AS local-AS no8advertise exact-match
+show p bgp community no-dvertise no-export no-advertiseIno-export exact-match
+show uipv6 mbgp coqmmunKty VARIABLE
+shQw ipv6 mbgp community no-advetise local-AS no-export no-export ex8ct-match
+shuw ipv6 mbgp community VARIABLyUE no-export no-export no-advertise
+shw bgp view VARIABLE ipv4 un0icast Gcommunity no-export VARIABLE no-advertise
+sow ip bgp ipv4 mulicast community no-export no-adertise no-export no-advertise
+sow ipv6 ospf6 databIase as-external adv-router 1.2.3.4
+Whow bgp view VARIAeBLE ipv4 unicast community local-AS no-advrtise no-advertise local-AS
+Wneighbor 1.2.3.4 dot-capabiliy-negotiate
+#
+#
+# Some teststrings explicitly used for keyword commands
+#
+#
+redistribute bgp
+redistribute bgp m 10
+redistribute bgp metric 10 metric-type 1
+redistribute bgp metric 10 metric 10
+redistribute bgp route-map RMAP_REDIST_BGP
+default-information originate metric-type 1 metric 10
+default-information originate always metric-type 1 metric 10
+default-information originate route-map RMAP_DEFAULT
+default-information originate route-map RMAP_DEFAULT metric 10
+default-information originate always metric-type 2 metric 23
diff --git a/tests/lib/cli/test_commands.py b/tests/lib/cli/test_commands.py
new file mode 100644
index 0000000..cf99077
--- /dev/null
+++ b/tests/lib/cli/test_commands.py
@@ -0,0 +1,13 @@
+import frrtest
+import pytest
+import os
+
+
+class TestCommands(frrtest.TestRefOut):
+    program = "./test_commands"
+
+    @pytest.mark.skipif(
+        "QUAGGA_TEST_COMMANDS" not in os.environ, reason="QUAGGA_TEST_COMMANDS not set"
+    )
+    def test_refout(self):
+        return super(TestCommands, self).test_refout()
diff --git a/tests/lib/cli/test_commands.refout b/tests/lib/cli/test_commands.refout
new file mode 100644
index 0000000..2ec3e55
--- /dev/null
+++ b/tests/lib/cli/test_commands.refout
@@ -0,0 +1,1007 @@
+execute relaxed 'area 0 virtual-link 1.2.3.4 authentication null message-digest-key 1 md5 VARIABLE'@23: rv==0, 'area (A.B.C.D|<0-4294967295>) virtual-link A.B.C.D (authentication|) (message-digest|null) (message-digest-key|) <1-255> md5 KEY': '0', '1.2.3.4', 'authentication', 'null', 'message-digest-key', '1', 'VARIABLE'
+execute strict 'area 0 virtual-link 1.2.3.4 authentication null message-digest-key 1 md5 VARIABLE'@23: rv==0, 'area (A.B.C.D|<0-4294967295>) virtual-link A.B.C.D (authentication|) (message-digest|null) (message-digest-key|) <1-255> md5 KEY': '0', '1.2.3.4', 'authentication', 'null', 'message-digest-key', '1', 'VARIABLE'
+complete 'area 0 virtual-link 1.2.3.4 authentication null message-digest-key 1 md5 VARIABLE'@23: rv==2
+describe 'area 0 virtual-link 1.2.3.4 authentication null message-digest-key 1 md5 VARIABLE'@23: rv==0
+  'KEY' 'The OSPF password (key)'
+execute relaxed 'area 0 virtual-link 1.2.3.4 dead-interval 1 hello-interval 1 retransmit-interval 1 transmit-delay 1'@23: rv==0, 'area (A.B.C.D|<0-4294967295>) virtual-link A.B.C.D (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535>': '0', '1.2.3.4', 'dead-interval', '1', 'hello-interval', '1', 'retransmit-interval', '1', 'transmit-delay', '1'
+execute strict 'area 0 virtual-link 1.2.3.4 dead-interval 1 hello-interval 1 retransmit-interval 1 transmit-delay 1'@23: rv==0, 'area (A.B.C.D|<0-4294967295>) virtual-link A.B.C.D (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535>': '0', '1.2.3.4', 'dead-interval', '1', 'hello-interval', '1', 'retransmit-interval', '1', 'transmit-delay', '1'
+complete 'area 0 virtual-link 1.2.3.4 dead-interval 1 hello-interval 1 retransmit-interval 1 transmit-delay 1'@23: rv==2
+describe 'area 0 virtual-link 1.2.3.4 dead-interval 1 hello-interval 1 retransmit-interval 1 transmit-delay 1'@23: rv==0
+  '<1-65535>' 'Seconds'
+execute relaxed 'area 0 virtual-link 1.2.3.4 retransmit-interval 1 retransmit-interval 1 dead-interval 1 retransmit-interval 1'@23: rv==0, 'area (A.B.C.D|<0-4294967295>) virtual-link A.B.C.D (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535>': '0', '1.2.3.4', 'retransmit-interval', '1', 'retransmit-interval', '1', 'dead-interval', '1', 'retransmit-interval', '1'
+execute strict 'area 0 virtual-link 1.2.3.4 retransmit-interval 1 retransmit-interval 1 dead-interval 1 retransmit-interval 1'@23: rv==0, 'area (A.B.C.D|<0-4294967295>) virtual-link A.B.C.D (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535>': '0', '1.2.3.4', 'retransmit-interval', '1', 'retransmit-interval', '1', 'dead-interval', '1', 'retransmit-interval', '1'
+complete 'area 0 virtual-link 1.2.3.4 retransmit-interval 1 retransmit-interval 1 dead-interval 1 retransmit-interval 1'@23: rv==2
+describe 'area 0 virtual-link 1.2.3.4 retransmit-interval 1 retransmit-interval 1 dead-interval 1 retransmit-interval 1'@23: rv==0
+  '<1-65535>' 'Seconds'
+execute relaxed 'area 1.2.3.4 virtual-link 1.2.3.4 hello-interval 1 hello-interval 1 dead-interval 1'@23: rv==0, 'area (A.B.C.D|<0-4294967295>) virtual-link A.B.C.D (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535>': '1.2.3.4', '1.2.3.4', 'hello-interval', '1', 'hello-interval', '1', 'dead-interval', '1'
+execute strict 'area 1.2.3.4 virtual-link 1.2.3.4 hello-interval 1 hello-interval 1 dead-interval 1'@23: rv==0, 'area (A.B.C.D|<0-4294967295>) virtual-link A.B.C.D (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535>': '1.2.3.4', '1.2.3.4', 'hello-interval', '1', 'hello-interval', '1', 'dead-interval', '1'
+complete 'area 1.2.3.4 virtual-link 1.2.3.4 hello-interval 1 hello-interval 1 dead-interval 1'@23: rv==2
+describe 'area 1.2.3.4 virtual-link 1.2.3.4 hello-interval 1 hello-interval 1 dead-interval 1'@23: rv==0
+  '<1-65535>' 'Seconds'
+execute relaxed 'area 1.2.3.4 virtual-link 1.2.3.4 retransmit-interval 1 retransmit-interval 1 transmit-delay 1 dead-interval 1'@23: rv==0, 'area (A.B.C.D|<0-4294967295>) virtual-link A.B.C.D (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535>': '1.2.3.4', '1.2.3.4', 'retransmit-interval', '1', 'retransmit-interval', '1', 'transmit-delay', '1', 'dead-interval', '1'
+execute strict 'area 1.2.3.4 virtual-link 1.2.3.4 retransmit-interval 1 retransmit-interval 1 transmit-delay 1 dead-interval 1'@23: rv==0, 'area (A.B.C.D|<0-4294967295>) virtual-link A.B.C.D (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535>': '1.2.3.4', '1.2.3.4', 'retransmit-interval', '1', 'retransmit-interval', '1', 'transmit-delay', '1', 'dead-interval', '1'
+complete 'area 1.2.3.4 virtual-link 1.2.3.4 retransmit-interval 1 retransmit-interval 1 transmit-delay 1 dead-interval 1'@23: rv==2
+describe 'area 1.2.3.4 virtual-link 1.2.3.4 retransmit-interval 1 retransmit-interval 1 transmit-delay 1 dead-interval 1'@23: rv==0
+  '<1-65535>' 'Seconds'
+execute relaxed 'clear bgp 1 out'@4: rv==0, 'clear bgp <1-4294967295> out': '1'
+execute strict 'clear bgp 1 out'@4: rv==0, 'clear bgp <1-4294967295> out': '1'
+complete 'clear bgp 1 out'@4: rv==7
+  'out'
+describe 'clear bgp 1 out'@4: rv==0
+  'out' 'Soft reconfig outbound update'
+execute relaxed 'clear bgp ipv6 2001:db8::1 out'@4: rv==0, 'clear bgp ipv6 (A.B.C.D|X:X::X:X) out': '2001:db8::1'
+execute strict 'clear bgp ipv6 2001:db8::1 out'@4: rv==0, 'clear bgp ipv6 (A.B.C.D|X:X::X:X) out': '2001:db8::1'
+complete 'clear bgp ipv6 2001:db8::1 out'@4: rv==7
+  'out'
+describe 'clear bgp ipv6 2001:db8::1 out'@4: rv==0
+  'out' 'Soft reconfig outbound update'
+execute relaxed 'clear bgp view VARIABLE * soft'@4: rv==0, 'clear bgp view WORD * soft': 'VARIABLE'
+execute strict 'clear bgp view VARIABLE * soft'@4: rv==0, 'clear bgp view WORD * soft': 'VARIABLE'
+complete 'clear bgp view VARIABLE * soft'@4: rv==7
+  'soft'
+describe 'clear bgp view VARIABLE * soft'@4: rv==0
+  'soft' 'Soft reconfig'
+execute relaxed 'clear ip bgp 1.2.3.4 ipv4 multicast out'@4: rv==0, 'clear ip bgp A.B.C.D ipv4 (unicast|multicast) out': '1.2.3.4', 'multicast'
+execute strict 'clear ip bgp 1.2.3.4 ipv4 multicast out'@4: rv==0, 'clear ip bgp A.B.C.D ipv4 (unicast|multicast) out': '1.2.3.4', 'multicast'
+complete 'clear ip bgp 1.2.3.4 ipv4 multicast out'@4: rv==7
+  'out'
+describe 'clear ip bgp 1.2.3.4 ipv4 multicast out'@4: rv==0
+  'out' 'Soft reconfig outbound update'
+execute relaxed 'ipv6 nd prefix 2001:db8::/32 infinite infinite no-autoconfig'@11: rv==0, 'ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) (<0-4294967295>|infinite) (no-autoconfig|)': '2001:db8::/32', 'infinite', 'infinite', 'no-autoconfig'
+execute strict 'ipv6 nd prefix 2001:db8::/32 infinite infinite no-autoconfig'@11: rv==0, 'ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) (<0-4294967295>|infinite) (no-autoconfig|)': '2001:db8::/32', 'infinite', 'infinite', 'no-autoconfig'
+complete 'ipv6 nd prefix 2001:db8::/32 infinite infinite no-autoconfig'@11: rv==7
+  'no-autoconfig'
+describe 'ipv6 nd prefix 2001:db8::/32 infinite infinite no-autoconfig'@11: rv==0
+  'no-autoconfig' 'Do not use prefix for autoconfiguration'
+execute relaxed 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@5: rv==0, 'ipv6 route X:X::X:X/M X:X::X:X INTERFACE <1-255>': '2001:db8::/32', '2001:db8::1', 'VARIABLE', '1'
+execute strict 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@5: rv==0, 'ipv6 route X:X::X:X/M X:X::X:X INTERFACE <1-255>': '2001:db8::/32', '2001:db8::1', 'VARIABLE', '1'
+complete 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@5: rv==2
+describe 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@5: rv==0
+  '<1-255>' 'Distance value for this prefix'
+execute relaxed 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@9: rv==0, 'ipv6 route X:X::X:X/M X:X::X:X INTERFACE <1-255>': '2001:db8::/32', '2001:db8::1', 'VARIABLE', '1'
+execute strict 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@9: rv==2
+complete 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@9: rv==2
+describe 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@9: rv==2
+execute relaxed 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@10: rv==0, 'ipv6 route X:X::X:X/M X:X::X:X INTERFACE <1-255>': '2001:db8::/32', '2001:db8::1', 'VARIABLE', '1'
+execute strict 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@10: rv==2
+complete 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@10: rv==2
+describe 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@10: rv==2
+execute relaxed 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@11: rv==0, 'ipv6 route X:X::X:X/M X:X::X:X INTERFACE <1-255>': '2001:db8::/32', '2001:db8::1', 'VARIABLE', '1'
+execute strict 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@11: rv==2
+complete 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@11: rv==2
+describe 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@11: rv==2
+execute relaxed 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@12: rv==0, 'ipv6 route X:X::X:X/M X:X::X:X INTERFACE <1-255>': '2001:db8::/32', '2001:db8::1', 'VARIABLE', '1'
+execute strict 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@12: rv==2
+complete 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@12: rv==2
+describe 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@12: rv==2
+execute relaxed 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@14: rv==0, 'ipv6 route X:X::X:X/M X:X::X:X INTERFACE <1-255>': '2001:db8::/32', '2001:db8::1', 'VARIABLE', '1'
+execute strict 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@14: rv==2
+complete 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@14: rv==2
+describe 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@14: rv==2
+execute relaxed 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@15: rv==0, 'ipv6 route X:X::X:X/M X:X::X:X INTERFACE <1-255>': '2001:db8::/32', '2001:db8::1', 'VARIABLE', '1'
+execute strict 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@15: rv==2
+complete 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@15: rv==2
+describe 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@15: rv==2
+execute relaxed 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@16: rv==0, 'ipv6 route X:X::X:X/M X:X::X:X INTERFACE <1-255>': '2001:db8::/32', '2001:db8::1', 'VARIABLE', '1'
+execute strict 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@16: rv==2
+complete 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@16: rv==2
+describe 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@16: rv==2
+execute relaxed 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@17: rv==0, 'ipv6 route X:X::X:X/M X:X::X:X INTERFACE <1-255>': '2001:db8::/32', '2001:db8::1', 'VARIABLE', '1'
+execute strict 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@17: rv==2
+complete 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@17: rv==2
+describe 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@17: rv==2
+execute relaxed 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@18: rv==0, 'ipv6 route X:X::X:X/M X:X::X:X INTERFACE <1-255>': '2001:db8::/32', '2001:db8::1', 'VARIABLE', '1'
+execute strict 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@18: rv==2
+complete 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@18: rv==2
+describe 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@18: rv==2
+execute relaxed 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@19: rv==0, 'ipv6 route X:X::X:X/M X:X::X:X INTERFACE <1-255>': '2001:db8::/32', '2001:db8::1', 'VARIABLE', '1'
+execute strict 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@19: rv==2
+complete 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@19: rv==2
+describe 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@19: rv==2
+execute relaxed 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@20: rv==0, 'ipv6 route X:X::X:X/M X:X::X:X INTERFACE <1-255>': '2001:db8::/32', '2001:db8::1', 'VARIABLE', '1'
+execute strict 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@20: rv==2
+complete 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@20: rv==2
+describe 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@20: rv==2
+execute relaxed 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@21: rv==0, 'ipv6 route X:X::X:X/M X:X::X:X INTERFACE <1-255>': '2001:db8::/32', '2001:db8::1', 'VARIABLE', '1'
+execute strict 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@21: rv==2
+complete 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@21: rv==2
+describe 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@21: rv==2
+execute relaxed 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@22: rv==0, 'ipv6 route X:X::X:X/M X:X::X:X INTERFACE <1-255>': '2001:db8::/32', '2001:db8::1', 'VARIABLE', '1'
+execute strict 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@22: rv==2
+complete 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@22: rv==2
+describe 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@22: rv==2
+execute relaxed 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@23: rv==0, 'ipv6 route X:X::X:X/M X:X::X:X INTERFACE <1-255>': '2001:db8::/32', '2001:db8::1', 'VARIABLE', '1'
+execute strict 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@23: rv==2
+complete 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@23: rv==2
+describe 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@23: rv==2
+execute relaxed 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@24: rv==0, 'ipv6 route X:X::X:X/M X:X::X:X INTERFACE <1-255>': '2001:db8::/32', '2001:db8::1', 'VARIABLE', '1'
+execute strict 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@24: rv==2
+complete 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@24: rv==2
+describe 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@24: rv==2
+execute relaxed 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@25: rv==0, 'ipv6 route X:X::X:X/M X:X::X:X INTERFACE <1-255>': '2001:db8::/32', '2001:db8::1', 'VARIABLE', '1'
+execute strict 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@25: rv==2
+complete 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@25: rv==2
+describe 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@25: rv==2
+execute relaxed 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@35: rv==0, 'ipv6 route X:X::X:X/M X:X::X:X INTERFACE <1-255>': '2001:db8::/32', '2001:db8::1', 'VARIABLE', '1'
+execute strict 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@35: rv==2
+complete 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@35: rv==2
+describe 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@35: rv==2
+execute relaxed 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@40: rv==0, 'ipv6 route X:X::X:X/M X:X::X:X INTERFACE <1-255>': '2001:db8::/32', '2001:db8::1', 'VARIABLE', '1'
+execute strict 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@40: rv==2
+complete 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@40: rv==2
+describe 'ipv6 route 2001:db8::/32 2001:db8::1 VARIABLE 1'@40: rv==2
+execute relaxed 'network 1.0.0.0/8 area 0'@23: rv==0, 'network A.B.C.D/M area (A.B.C.D|<0-4294967295>)': '1.0.0.0/8', '0'
+execute strict 'network 1.0.0.0/8 area 0'@23: rv==0, 'network A.B.C.D/M area (A.B.C.D|<0-4294967295>)': '1.0.0.0/8', '0'
+complete 'network 1.0.0.0/8 area 0'@23: rv==2
+describe 'network 1.0.0.0/8 area 0'@23: rv==0
+  '<0-4294967295>' 'OSPF area ID as a decimal value'
+  'A.B.C.D' 'OSPF area ID in IP address format'
+execute relaxed 'no area 1.2.3.4 virtual-link 1.2.3.4 hello-interval dead-interval hello-interval transmit-delay'@23: rv==0, 'no area (A.B.C.D|<0-4294967295>) virtual-link A.B.C.D (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval)': '1.2.3.4', '1.2.3.4', 'hello-interval', 'dead-interval', 'hello-interval', 'transmit-delay'
+execute strict 'no area 1.2.3.4 virtual-link 1.2.3.4 hello-interval dead-interval hello-interval transmit-delay'@23: rv==0, 'no area (A.B.C.D|<0-4294967295>) virtual-link A.B.C.D (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval)': '1.2.3.4', '1.2.3.4', 'hello-interval', 'dead-interval', 'hello-interval', 'transmit-delay'
+complete 'no area 1.2.3.4 virtual-link 1.2.3.4 hello-interval dead-interval hello-interval transmit-delay'@23: rv==7
+  'transmit-delay'
+describe 'no area 1.2.3.4 virtual-link 1.2.3.4 hello-interval dead-interval hello-interval transmit-delay'@23: rv==0
+  'transmit-delay' 'Seconds'
+execute relaxed 'no area 1.2.3.4 virtual-link 1.2.3.4 hello-interval dead-interval retransmit-interval transmit-delay'@23: rv==0, 'no area (A.B.C.D|<0-4294967295>) virtual-link A.B.C.D (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval)': '1.2.3.4', '1.2.3.4', 'hello-interval', 'dead-interval', 'retransmit-interval', 'transmit-delay'
+execute strict 'no area 1.2.3.4 virtual-link 1.2.3.4 hello-interval dead-interval retransmit-interval transmit-delay'@23: rv==0, 'no area (A.B.C.D|<0-4294967295>) virtual-link A.B.C.D (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval)': '1.2.3.4', '1.2.3.4', 'hello-interval', 'dead-interval', 'retransmit-interval', 'transmit-delay'
+complete 'no area 1.2.3.4 virtual-link 1.2.3.4 hello-interval dead-interval retransmit-interval transmit-delay'@23: rv==7
+  'transmit-delay'
+describe 'no area 1.2.3.4 virtual-link 1.2.3.4 hello-interval dead-interval retransmit-interval transmit-delay'@23: rv==0
+  'transmit-delay' 'Seconds'
+execute relaxed 'no area 1.2.3.4 virtual-link 1.2.3.4 retransmit-interval dead-interval retransmit-interval hello-interval'@23: rv==0, 'no area (A.B.C.D|<0-4294967295>) virtual-link A.B.C.D (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval)': '1.2.3.4', '1.2.3.4', 'retransmit-interval', 'dead-interval', 'retransmit-interval', 'hello-interval'
+execute strict 'no area 1.2.3.4 virtual-link 1.2.3.4 retransmit-interval dead-interval retransmit-interval hello-interval'@23: rv==0, 'no area (A.B.C.D|<0-4294967295>) virtual-link A.B.C.D (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval)': '1.2.3.4', '1.2.3.4', 'retransmit-interval', 'dead-interval', 'retransmit-interval', 'hello-interval'
+complete 'no area 1.2.3.4 virtual-link 1.2.3.4 retransmit-interval dead-interval retransmit-interval hello-interval'@23: rv==7
+  'hello-interval'
+describe 'no area 1.2.3.4 virtual-link 1.2.3.4 retransmit-interval dead-interval retransmit-interval hello-interval'@23: rv==0
+  'hello-interval' 'Link state transmit delay'
+execute relaxed 'no area 1.2.3.4 virtual-link 1.2.3.4 transmit-delay retransmit-interval retransmit-interval hello-interval'@23: rv==0, 'no area (A.B.C.D|<0-4294967295>) virtual-link A.B.C.D (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval)': '1.2.3.4', '1.2.3.4', 'transmit-delay', 'retransmit-interval', 'retransmit-interval', 'hello-interval'
+execute strict 'no area 1.2.3.4 virtual-link 1.2.3.4 transmit-delay retransmit-interval retransmit-interval hello-interval'@23: rv==0, 'no area (A.B.C.D|<0-4294967295>) virtual-link A.B.C.D (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval) (hello-interval|retransmit-interval|transmit-delay|dead-interval)': '1.2.3.4', '1.2.3.4', 'transmit-delay', 'retransmit-interval', 'retransmit-interval', 'hello-interval'
+complete 'no area 1.2.3.4 virtual-link 1.2.3.4 transmit-delay retransmit-interval retransmit-interval hello-interval'@23: rv==7
+  'hello-interval'
+describe 'no area 1.2.3.4 virtual-link 1.2.3.4 transmit-delay retransmit-interval retransmit-interval hello-interval'@23: rv==0
+  'hello-interval' 'Link state transmit delay'
+execute relaxed 'no bgp graceful-restart'@17: rv==0, 'no bgp graceful-restart'
+execute strict 'no bgp graceful-restart'@17: rv==0, 'no bgp graceful-restart'
+complete 'no bgp graceful-restart'@17: rv==7
+  'graceful-restart'
+describe 'no bgp graceful-restart'@17: rv==0
+  'graceful-restart' 'Graceful restart capability parameters'
+execute relaxed 'no bgp graceful-restart'@18: rv==0, 'no bgp graceful-restart'
+execute strict 'no bgp graceful-restart'@18: rv==2
+complete 'no bgp graceful-restart'@18: rv==2
+describe 'no bgp graceful-restart'@18: rv==2
+execute relaxed 'no bgp graceful-restart'@19: rv==0, 'no bgp graceful-restart'
+execute strict 'no bgp graceful-restart'@19: rv==2
+complete 'no bgp graceful-restart'@19: rv==2
+describe 'no bgp graceful-restart'@19: rv==2
+execute relaxed 'no bgp graceful-restart'@20: rv==0, 'no bgp graceful-restart'
+execute strict 'no bgp graceful-restart'@20: rv==2
+complete 'no bgp graceful-restart'@20: rv==2
+describe 'no bgp graceful-restart'@20: rv==2
+execute relaxed 'no bgp graceful-restart'@21: rv==0, 'no bgp graceful-restart'
+execute strict 'no bgp graceful-restart'@21: rv==2
+complete 'no bgp graceful-restart'@21: rv==2
+describe 'no bgp graceful-restart'@21: rv==2
+execute relaxed 'no bgp graceful-restart'@22: rv==0, 'no bgp graceful-restart'
+execute strict 'no bgp graceful-restart'@22: rv==2
+complete 'no bgp graceful-restart'@22: rv==2
+describe 'no bgp graceful-restart'@22: rv==2
+execute relaxed 'no ipv6 nd mtu 1'@11: rv==0, 'no ipv6 nd mtu <1-65535>': '1'
+execute strict 'no ipv6 nd mtu 1'@11: rv==0, 'no ipv6 nd mtu <1-65535>': '1'
+complete 'no ipv6 nd mtu 1'@11: rv==2
+describe 'no ipv6 nd mtu 1'@11: rv==0
+  '<1-65535>' 'MTU in bytes'
+execute relaxed 'no neighbor 1.2.3.4 distribute-list 1 in'@17: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) distribute-list WORD (in|out)': '1.2.3.4', '1', 'in'
+execute strict 'no neighbor 1.2.3.4 distribute-list 1 in'@17: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) distribute-list WORD (in|out)': '1.2.3.4', '1', 'in'
+complete 'no neighbor 1.2.3.4 distribute-list 1 in'@17: rv==7
+  'in'
+describe 'no neighbor 1.2.3.4 distribute-list 1 in'@17: rv==0
+  'in' 'Filter incoming updates'
+execute relaxed 'no neighbor 1.2.3.4 distribute-list 1 in'@18: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) distribute-list WORD (in|out)': '1.2.3.4', '1', 'in'
+execute strict 'no neighbor 1.2.3.4 distribute-list 1 in'@18: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) distribute-list WORD (in|out)': '1.2.3.4', '1', 'in'
+complete 'no neighbor 1.2.3.4 distribute-list 1 in'@18: rv==7
+  'in'
+describe 'no neighbor 1.2.3.4 distribute-list 1 in'@18: rv==0
+  'in' 'Filter incoming updates'
+execute relaxed 'no neighbor 1.2.3.4 distribute-list 1 in'@19: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) distribute-list WORD (in|out)': '1.2.3.4', '1', 'in'
+execute strict 'no neighbor 1.2.3.4 distribute-list 1 in'@19: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) distribute-list WORD (in|out)': '1.2.3.4', '1', 'in'
+complete 'no neighbor 1.2.3.4 distribute-list 1 in'@19: rv==7
+  'in'
+describe 'no neighbor 1.2.3.4 distribute-list 1 in'@19: rv==0
+  'in' 'Filter incoming updates'
+execute relaxed 'no neighbor 1.2.3.4 distribute-list 1 in'@20: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) distribute-list WORD (in|out)': '1.2.3.4', '1', 'in'
+execute strict 'no neighbor 1.2.3.4 distribute-list 1 in'@20: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) distribute-list WORD (in|out)': '1.2.3.4', '1', 'in'
+complete 'no neighbor 1.2.3.4 distribute-list 1 in'@20: rv==7
+  'in'
+describe 'no neighbor 1.2.3.4 distribute-list 1 in'@20: rv==0
+  'in' 'Filter incoming updates'
+execute relaxed 'no neighbor 1.2.3.4 distribute-list 1 in'@21: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) distribute-list WORD (in|out)': '1.2.3.4', '1', 'in'
+execute strict 'no neighbor 1.2.3.4 distribute-list 1 in'@21: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) distribute-list WORD (in|out)': '1.2.3.4', '1', 'in'
+complete 'no neighbor 1.2.3.4 distribute-list 1 in'@21: rv==7
+  'in'
+describe 'no neighbor 1.2.3.4 distribute-list 1 in'@21: rv==0
+  'in' 'Filter incoming updates'
+execute relaxed 'no neighbor 1.2.3.4 distribute-list 1 in'@22: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) distribute-list WORD (in|out)': '1.2.3.4', '1', 'in'
+execute strict 'no neighbor 1.2.3.4 distribute-list 1 in'@22: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) distribute-list WORD (in|out)': '1.2.3.4', '1', 'in'
+complete 'no neighbor 1.2.3.4 distribute-list 1 in'@22: rv==7
+  'in'
+describe 'no neighbor 1.2.3.4 distribute-list 1 in'@22: rv==0
+  'in' 'Filter incoming updates'
+execute relaxed 'no neighbor 2001:db8::1 send-community both'@17: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) send-community (both|extended|standard)': '2001:db8::1', 'both'
+execute strict 'no neighbor 2001:db8::1 send-community both'@17: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) send-community (both|extended|standard)': '2001:db8::1', 'both'
+complete 'no neighbor 2001:db8::1 send-community both'@17: rv==7
+  'both'
+describe 'no neighbor 2001:db8::1 send-community both'@17: rv==0
+  'both' 'Send Standard and Extended Community attributes'
+execute relaxed 'no neighbor 2001:db8::1 send-community both'@18: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) send-community (both|extended|standard)': '2001:db8::1', 'both'
+execute strict 'no neighbor 2001:db8::1 send-community both'@18: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) send-community (both|extended|standard)': '2001:db8::1', 'both'
+complete 'no neighbor 2001:db8::1 send-community both'@18: rv==7
+  'both'
+describe 'no neighbor 2001:db8::1 send-community both'@18: rv==0
+  'both' 'Send Standard and Extended Community attributes'
+execute relaxed 'no neighbor 2001:db8::1 send-community both'@19: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) send-community (both|extended|standard)': '2001:db8::1', 'both'
+execute strict 'no neighbor 2001:db8::1 send-community both'@19: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) send-community (both|extended|standard)': '2001:db8::1', 'both'
+complete 'no neighbor 2001:db8::1 send-community both'@19: rv==7
+  'both'
+describe 'no neighbor 2001:db8::1 send-community both'@19: rv==0
+  'both' 'Send Standard and Extended Community attributes'
+execute relaxed 'no neighbor 2001:db8::1 send-community both'@20: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) send-community (both|extended|standard)': '2001:db8::1', 'both'
+execute strict 'no neighbor 2001:db8::1 send-community both'@20: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) send-community (both|extended|standard)': '2001:db8::1', 'both'
+complete 'no neighbor 2001:db8::1 send-community both'@20: rv==7
+  'both'
+describe 'no neighbor 2001:db8::1 send-community both'@20: rv==0
+  'both' 'Send Standard and Extended Community attributes'
+execute relaxed 'no neighbor 2001:db8::1 send-community both'@21: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) send-community (both|extended|standard)': '2001:db8::1', 'both'
+execute strict 'no neighbor 2001:db8::1 send-community both'@21: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) send-community (both|extended|standard)': '2001:db8::1', 'both'
+complete 'no neighbor 2001:db8::1 send-community both'@21: rv==7
+  'both'
+describe 'no neighbor 2001:db8::1 send-community both'@21: rv==0
+  'both' 'Send Standard and Extended Community attributes'
+execute relaxed 'no neighbor 2001:db8::1 send-community both'@22: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) send-community (both|extended|standard)': '2001:db8::1', 'both'
+execute strict 'no neighbor 2001:db8::1 send-community both'@22: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) send-community (both|extended|standard)': '2001:db8::1', 'both'
+complete 'no neighbor 2001:db8::1 send-community both'@22: rv==7
+  'both'
+describe 'no neighbor 2001:db8::1 send-community both'@22: rv==0
+  'both' 'Send Standard and Extended Community attributes'
+execute relaxed 'no neighbor VARIABLE maximum-prefix'@17: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) maximum-prefix': 'VARIABLE'
+execute strict 'no neighbor VARIABLE maximum-prefix'@17: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) maximum-prefix': 'VARIABLE'
+complete 'no neighbor VARIABLE maximum-prefix'@17: rv==7
+  'maximum-prefix'
+describe 'no neighbor VARIABLE maximum-prefix'@17: rv==0
+  'maximum-prefix' 'Maximum number of prefix accept from this peer'
+execute relaxed 'no neighbor VARIABLE maximum-prefix'@18: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) maximum-prefix': 'VARIABLE'
+execute strict 'no neighbor VARIABLE maximum-prefix'@18: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) maximum-prefix': 'VARIABLE'
+complete 'no neighbor VARIABLE maximum-prefix'@18: rv==7
+  'maximum-prefix'
+describe 'no neighbor VARIABLE maximum-prefix'@18: rv==0
+  'maximum-prefix' 'Maximum number of prefix accept from this peer'
+execute relaxed 'no neighbor VARIABLE maximum-prefix'@19: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) maximum-prefix': 'VARIABLE'
+execute strict 'no neighbor VARIABLE maximum-prefix'@19: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) maximum-prefix': 'VARIABLE'
+complete 'no neighbor VARIABLE maximum-prefix'@19: rv==7
+  'maximum-prefix'
+describe 'no neighbor VARIABLE maximum-prefix'@19: rv==0
+  'maximum-prefix' 'Maximum number of prefix accept from this peer'
+execute relaxed 'no neighbor VARIABLE maximum-prefix'@20: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) maximum-prefix': 'VARIABLE'
+execute strict 'no neighbor VARIABLE maximum-prefix'@20: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) maximum-prefix': 'VARIABLE'
+complete 'no neighbor VARIABLE maximum-prefix'@20: rv==7
+  'maximum-prefix'
+describe 'no neighbor VARIABLE maximum-prefix'@20: rv==0
+  'maximum-prefix' 'Maximum number of prefix accept from this peer'
+execute relaxed 'no neighbor VARIABLE maximum-prefix'@21: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) maximum-prefix': 'VARIABLE'
+execute strict 'no neighbor VARIABLE maximum-prefix'@21: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) maximum-prefix': 'VARIABLE'
+complete 'no neighbor VARIABLE maximum-prefix'@21: rv==7
+  'maximum-prefix'
+describe 'no neighbor VARIABLE maximum-prefix'@21: rv==0
+  'maximum-prefix' 'Maximum number of prefix accept from this peer'
+execute relaxed 'no neighbor VARIABLE maximum-prefix'@22: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) maximum-prefix': 'VARIABLE'
+execute strict 'no neighbor VARIABLE maximum-prefix'@22: rv==0, 'no neighbor (A.B.C.D|X:X::X:X|WORD) maximum-prefix': 'VARIABLE'
+complete 'no neighbor VARIABLE maximum-prefix'@22: rv==7
+  'maximum-prefix'
+describe 'no neighbor VARIABLE maximum-prefix'@22: rv==0
+  'maximum-prefix' 'Maximum number of prefix accept from this peer'
+execute relaxed 'redistribute isis route-map VARIABLE metric 0 metric-type 2'@23: rv==0, 'redistribute (kernel|connected|static|rip|isis|bgp) {metric <0-16777214>|metric-type (1|2)|route-map WORD}': 'isis', '0', '2', 'VARIABLE'
+execute strict 'redistribute isis route-map VARIABLE metric 0 metric-type 2'@23: rv==0, 'redistribute (kernel|connected|static|rip|isis|bgp) {metric <0-16777214>|metric-type (1|2)|route-map WORD}': 'isis', '0', '2', 'VARIABLE'
+complete 'redistribute isis route-map VARIABLE metric 0 metric-type 2'@23: rv==7
+  '2'
+describe 'redistribute isis route-map VARIABLE metric 0 metric-type 2'@23: rv==0
+  '2' 'Set OSPF External Type 2 metrics'
+execute relaxed 'redistribute rip metric 0 route-map VARIABLE metric-type 1'@23: rv==0, 'redistribute (kernel|connected|static|rip|isis|bgp) {metric <0-16777214>|metric-type (1|2)|route-map WORD}': 'rip', '0', '1', 'VARIABLE'
+execute strict 'redistribute rip metric 0 route-map VARIABLE metric-type 1'@23: rv==0, 'redistribute (kernel|connected|static|rip|isis|bgp) {metric <0-16777214>|metric-type (1|2)|route-map WORD}': 'rip', '0', '1', 'VARIABLE'
+complete 'redistribute rip metric 0 route-map VARIABLE metric-type 1'@23: rv==7
+  '1'
+describe 'redistribute rip metric 0 route-map VARIABLE metric-type 1'@23: rv==0
+  '1' 'Set OSPF External Type 1 metrics'
+execute relaxed 'show bgp community VARIABLE local-AS no-export VARIABLE exact-match'@1: rv==0, 'show bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'no-export', 'VARIABLE'
+execute strict 'show bgp community VARIABLE local-AS no-export VARIABLE exact-match'@1: rv==0, 'show bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'no-export', 'VARIABLE'
+complete 'show bgp community VARIABLE local-AS no-export VARIABLE exact-match'@1: rv==7
+  'exact-match'
+describe 'show bgp community VARIABLE local-AS no-export VARIABLE exact-match'@1: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show bgp community VARIABLE local-AS no-export VARIABLE exact-match'@2: rv==0, 'show bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'no-export', 'VARIABLE'
+execute strict 'show bgp community VARIABLE local-AS no-export VARIABLE exact-match'@2: rv==0, 'show bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'no-export', 'VARIABLE'
+complete 'show bgp community VARIABLE local-AS no-export VARIABLE exact-match'@2: rv==7
+  'exact-match'
+describe 'show bgp community VARIABLE local-AS no-export VARIABLE exact-match'@2: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show bgp community VARIABLE local-AS no-export VARIABLE exact-match'@4: rv==0, 'show bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'no-export', 'VARIABLE'
+execute strict 'show bgp community VARIABLE local-AS no-export VARIABLE exact-match'@4: rv==0, 'show bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'no-export', 'VARIABLE'
+complete 'show bgp community VARIABLE local-AS no-export VARIABLE exact-match'@4: rv==7
+  'exact-match'
+describe 'show bgp community VARIABLE local-AS no-export VARIABLE exact-match'@4: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show bgp ipv6 community no-advertise no-export no-export no-export'@1: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'no-export', 'no-export', 'no-export'
+execute strict 'show bgp ipv6 community no-advertise no-export no-export no-export'@1: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'no-export', 'no-export', 'no-export'
+complete 'show bgp ipv6 community no-advertise no-export no-export no-export'@1: rv==7
+  'no-export'
+describe 'show bgp ipv6 community no-advertise no-export no-export no-export'@1: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+  'no-export' 'Do not export to next AS (well-known community)'
+execute relaxed 'show bgp ipv6 community no-advertise no-export no-export no-export'@2: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'no-export', 'no-export', 'no-export'
+execute strict 'show bgp ipv6 community no-advertise no-export no-export no-export'@2: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'no-export', 'no-export', 'no-export'
+complete 'show bgp ipv6 community no-advertise no-export no-export no-export'@2: rv==7
+  'no-export'
+describe 'show bgp ipv6 community no-advertise no-export no-export no-export'@2: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+  'no-export' 'Do not export to next AS (well-known community)'
+execute relaxed 'show bgp ipv6 community no-advertise no-export no-export no-export'@4: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'no-export', 'no-export', 'no-export'
+execute strict 'show bgp ipv6 community no-advertise no-export no-export no-export'@4: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'no-export', 'no-export', 'no-export'
+complete 'show bgp ipv6 community no-advertise no-export no-export no-export'@4: rv==7
+  'no-export'
+describe 'show bgp ipv6 community no-advertise no-export no-export no-export'@4: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+  'no-export' 'Do not export to next AS (well-known community)'
+execute relaxed 'show bgp ipv6 community VARIABLE local-AS local-AS no-advertise exact-match'@1: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'local-AS', 'no-advertise'
+execute strict 'show bgp ipv6 community VARIABLE local-AS local-AS no-advertise exact-match'@1: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'local-AS', 'no-advertise'
+complete 'show bgp ipv6 community VARIABLE local-AS local-AS no-advertise exact-match'@1: rv==7
+  'exact-match'
+describe 'show bgp ipv6 community VARIABLE local-AS local-AS no-advertise exact-match'@1: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show bgp ipv6 community VARIABLE local-AS local-AS no-advertise exact-match'@2: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'local-AS', 'no-advertise'
+execute strict 'show bgp ipv6 community VARIABLE local-AS local-AS no-advertise exact-match'@2: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'local-AS', 'no-advertise'
+complete 'show bgp ipv6 community VARIABLE local-AS local-AS no-advertise exact-match'@2: rv==7
+  'exact-match'
+describe 'show bgp ipv6 community VARIABLE local-AS local-AS no-advertise exact-match'@2: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show bgp ipv6 community VARIABLE local-AS local-AS no-advertise exact-match'@4: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'local-AS', 'no-advertise'
+execute strict 'show bgp ipv6 community VARIABLE local-AS local-AS no-advertise exact-match'@4: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'local-AS', 'no-advertise'
+complete 'show bgp ipv6 community VARIABLE local-AS local-AS no-advertise exact-match'@4: rv==7
+  'exact-match'
+describe 'show bgp ipv6 community VARIABLE local-AS local-AS no-advertise exact-match'@4: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show bgp ipv6 community VARIABLE local-AS VARIABLE local-AS exact-match'@1: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'VARIABLE', 'local-AS'
+execute strict 'show bgp ipv6 community VARIABLE local-AS VARIABLE local-AS exact-match'@1: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'VARIABLE', 'local-AS'
+complete 'show bgp ipv6 community VARIABLE local-AS VARIABLE local-AS exact-match'@1: rv==7
+  'exact-match'
+describe 'show bgp ipv6 community VARIABLE local-AS VARIABLE local-AS exact-match'@1: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show bgp ipv6 community VARIABLE local-AS VARIABLE local-AS exact-match'@2: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'VARIABLE', 'local-AS'
+execute strict 'show bgp ipv6 community VARIABLE local-AS VARIABLE local-AS exact-match'@2: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'VARIABLE', 'local-AS'
+complete 'show bgp ipv6 community VARIABLE local-AS VARIABLE local-AS exact-match'@2: rv==7
+  'exact-match'
+describe 'show bgp ipv6 community VARIABLE local-AS VARIABLE local-AS exact-match'@2: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show bgp ipv6 community VARIABLE local-AS VARIABLE local-AS exact-match'@4: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'VARIABLE', 'local-AS'
+execute strict 'show bgp ipv6 community VARIABLE local-AS VARIABLE local-AS exact-match'@4: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'VARIABLE', 'local-AS'
+complete 'show bgp ipv6 community VARIABLE local-AS VARIABLE local-AS exact-match'@4: rv==7
+  'exact-match'
+describe 'show bgp ipv6 community VARIABLE local-AS VARIABLE local-AS exact-match'@4: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show bgp view VARIABLE'@1: rv==4
+execute strict 'show bgp view VARIABLE'@1: rv==4
+complete 'show bgp view VARIABLE'@1: rv==2
+describe 'show bgp view VARIABLE'@1: rv==0
+  'WORD' 'View name'
+execute relaxed 'show bgp view VARIABLE'@2: rv==0, 'show bgp view WORD': 'VARIABLE'
+execute strict 'show bgp view VARIABLE'@2: rv==0, 'show bgp view WORD': 'VARIABLE'
+complete 'show bgp view VARIABLE'@2: rv==2
+describe 'show bgp view VARIABLE'@2: rv==0
+  'WORD' 'View name'
+execute relaxed 'show bgp view VARIABLE'@4: rv==0, 'show bgp view WORD': 'VARIABLE'
+execute strict 'show bgp view VARIABLE'@4: rv==0, 'show bgp view WORD': 'VARIABLE'
+complete 'show bgp view VARIABLE'@4: rv==2
+describe 'show bgp view VARIABLE'@4: rv==0
+  'WORD' 'View name'
+execute relaxed 'show bgp view VARIABLE ipv4 multicast community no-export no-export local-AS VARIABLE'@1: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'multicast', 'no-export', 'no-export', 'local-AS', 'VARIABLE'
+execute strict 'show bgp view VARIABLE ipv4 multicast community no-export no-export local-AS VARIABLE'@1: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'multicast', 'no-export', 'no-export', 'local-AS', 'VARIABLE'
+complete 'show bgp view VARIABLE ipv4 multicast community no-export no-export local-AS VARIABLE'@1: rv==2
+describe 'show bgp view VARIABLE ipv4 multicast community no-export no-export local-AS VARIABLE'@1: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show bgp view VARIABLE ipv4 multicast community no-export no-export local-AS VARIABLE'@2: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'multicast', 'no-export', 'no-export', 'local-AS', 'VARIABLE'
+execute strict 'show bgp view VARIABLE ipv4 multicast community no-export no-export local-AS VARIABLE'@2: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'multicast', 'no-export', 'no-export', 'local-AS', 'VARIABLE'
+complete 'show bgp view VARIABLE ipv4 multicast community no-export no-export local-AS VARIABLE'@2: rv==2
+describe 'show bgp view VARIABLE ipv4 multicast community no-export no-export local-AS VARIABLE'@2: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show bgp view VARIABLE ipv4 multicast community no-export no-export local-AS VARIABLE'@4: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'multicast', 'no-export', 'no-export', 'local-AS', 'VARIABLE'
+execute strict 'show bgp view VARIABLE ipv4 multicast community no-export no-export local-AS VARIABLE'@4: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'multicast', 'no-export', 'no-export', 'local-AS', 'VARIABLE'
+complete 'show bgp view VARIABLE ipv4 multicast community no-export no-export local-AS VARIABLE'@4: rv==2
+describe 'show bgp view VARIABLE ipv4 multicast community no-export no-export local-AS VARIABLE'@4: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show bgp view VARIABLE ipv4 unicast community local-AS no-advertise no-advertise local-AS'@1: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'unicast', 'local-AS', 'no-advertise', 'no-advertise', 'local-AS'
+execute strict 'show bgp view VARIABLE ipv4 unicast community local-AS no-advertise no-advertise local-AS'@1: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'unicast', 'local-AS', 'no-advertise', 'no-advertise', 'local-AS'
+complete 'show bgp view VARIABLE ipv4 unicast community local-AS no-advertise no-advertise local-AS'@1: rv==7
+  'local-AS'
+describe 'show bgp view VARIABLE ipv4 unicast community local-AS no-advertise no-advertise local-AS'@1: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+  'local-AS' 'Do not send outside local AS (well-known community)'
+execute relaxed 'show bgp view VARIABLE ipv4 unicast community local-AS no-advertise no-advertise local-AS'@2: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'unicast', 'local-AS', 'no-advertise', 'no-advertise', 'local-AS'
+execute strict 'show bgp view VARIABLE ipv4 unicast community local-AS no-advertise no-advertise local-AS'@2: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'unicast', 'local-AS', 'no-advertise', 'no-advertise', 'local-AS'
+complete 'show bgp view VARIABLE ipv4 unicast community local-AS no-advertise no-advertise local-AS'@2: rv==7
+  'local-AS'
+describe 'show bgp view VARIABLE ipv4 unicast community local-AS no-advertise no-advertise local-AS'@2: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+  'local-AS' 'Do not send outside local AS (well-known community)'
+execute relaxed 'show bgp view VARIABLE ipv4 unicast community local-AS no-advertise no-advertise local-AS'@4: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'unicast', 'local-AS', 'no-advertise', 'no-advertise', 'local-AS'
+execute strict 'show bgp view VARIABLE ipv4 unicast community local-AS no-advertise no-advertise local-AS'@4: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'unicast', 'local-AS', 'no-advertise', 'no-advertise', 'local-AS'
+complete 'show bgp view VARIABLE ipv4 unicast community local-AS no-advertise no-advertise local-AS'@4: rv==7
+  'local-AS'
+describe 'show bgp view VARIABLE ipv4 unicast community local-AS no-advertise no-advertise local-AS'@4: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+  'local-AS' 'Do not send outside local AS (well-known community)'
+execute relaxed 'show bgp view VARIABLE ipv4 unicast community no-export VARIABLE no-advertise'@1: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'unicast', 'no-export', 'VARIABLE', 'no-advertise'
+execute strict 'show bgp view VARIABLE ipv4 unicast community no-export VARIABLE no-advertise'@1: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'unicast', 'no-export', 'VARIABLE', 'no-advertise'
+complete 'show bgp view VARIABLE ipv4 unicast community no-export VARIABLE no-advertise'@1: rv==7
+  'no-advertise'
+describe 'show bgp view VARIABLE ipv4 unicast community no-export VARIABLE no-advertise'@1: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+  'no-advertise' 'Do not advertise to any peer (well-known community)'
+execute relaxed 'show bgp view VARIABLE ipv4 unicast community no-export VARIABLE no-advertise'@2: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'unicast', 'no-export', 'VARIABLE', 'no-advertise'
+execute strict 'show bgp view VARIABLE ipv4 unicast community no-export VARIABLE no-advertise'@2: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'unicast', 'no-export', 'VARIABLE', 'no-advertise'
+complete 'show bgp view VARIABLE ipv4 unicast community no-export VARIABLE no-advertise'@2: rv==7
+  'no-advertise'
+describe 'show bgp view VARIABLE ipv4 unicast community no-export VARIABLE no-advertise'@2: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+  'no-advertise' 'Do not advertise to any peer (well-known community)'
+execute relaxed 'show bgp view VARIABLE ipv4 unicast community no-export VARIABLE no-advertise'@4: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'unicast', 'no-export', 'VARIABLE', 'no-advertise'
+execute strict 'show bgp view VARIABLE ipv4 unicast community no-export VARIABLE no-advertise'@4: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'unicast', 'no-export', 'VARIABLE', 'no-advertise'
+complete 'show bgp view VARIABLE ipv4 unicast community no-export VARIABLE no-advertise'@4: rv==7
+  'no-advertise'
+describe 'show bgp view VARIABLE ipv4 unicast community no-export VARIABLE no-advertise'@4: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+  'no-advertise' 'Do not advertise to any peer (well-known community)'
+execute relaxed 'show bgp view VARIABLE ipv4 unicast community VARIABLE local-AS no-export VARIABLE'@1: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'unicast', 'VARIABLE', 'local-AS', 'no-export', 'VARIABLE'
+execute strict 'show bgp view VARIABLE ipv4 unicast community VARIABLE local-AS no-export VARIABLE'@1: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'unicast', 'VARIABLE', 'local-AS', 'no-export', 'VARIABLE'
+complete 'show bgp view VARIABLE ipv4 unicast community VARIABLE local-AS no-export VARIABLE'@1: rv==2
+describe 'show bgp view VARIABLE ipv4 unicast community VARIABLE local-AS no-export VARIABLE'@1: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show bgp view VARIABLE ipv4 unicast community VARIABLE local-AS no-export VARIABLE'@2: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'unicast', 'VARIABLE', 'local-AS', 'no-export', 'VARIABLE'
+execute strict 'show bgp view VARIABLE ipv4 unicast community VARIABLE local-AS no-export VARIABLE'@2: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'unicast', 'VARIABLE', 'local-AS', 'no-export', 'VARIABLE'
+complete 'show bgp view VARIABLE ipv4 unicast community VARIABLE local-AS no-export VARIABLE'@2: rv==2
+describe 'show bgp view VARIABLE ipv4 unicast community VARIABLE local-AS no-export VARIABLE'@2: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show bgp view VARIABLE ipv4 unicast community VARIABLE local-AS no-export VARIABLE'@4: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'unicast', 'VARIABLE', 'local-AS', 'no-export', 'VARIABLE'
+execute strict 'show bgp view VARIABLE ipv4 unicast community VARIABLE local-AS no-export VARIABLE'@4: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'unicast', 'VARIABLE', 'local-AS', 'no-export', 'VARIABLE'
+complete 'show bgp view VARIABLE ipv4 unicast community VARIABLE local-AS no-export VARIABLE'@4: rv==2
+describe 'show bgp view VARIABLE ipv4 unicast community VARIABLE local-AS no-export VARIABLE'@4: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show bgp view VARIABLE ipv6 multicast community no-advertise VARIABLE no-advertise local-AS'@1: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv6', 'multicast', 'no-advertise', 'VARIABLE', 'no-advertise', 'local-AS'
+execute strict 'show bgp view VARIABLE ipv6 multicast community no-advertise VARIABLE no-advertise local-AS'@1: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv6', 'multicast', 'no-advertise', 'VARIABLE', 'no-advertise', 'local-AS'
+complete 'show bgp view VARIABLE ipv6 multicast community no-advertise VARIABLE no-advertise local-AS'@1: rv==7
+  'local-AS'
+describe 'show bgp view VARIABLE ipv6 multicast community no-advertise VARIABLE no-advertise local-AS'@1: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+  'local-AS' 'Do not send outside local AS (well-known community)'
+execute relaxed 'show bgp view VARIABLE ipv6 multicast community no-advertise VARIABLE no-advertise local-AS'@2: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv6', 'multicast', 'no-advertise', 'VARIABLE', 'no-advertise', 'local-AS'
+execute strict 'show bgp view VARIABLE ipv6 multicast community no-advertise VARIABLE no-advertise local-AS'@2: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv6', 'multicast', 'no-advertise', 'VARIABLE', 'no-advertise', 'local-AS'
+complete 'show bgp view VARIABLE ipv6 multicast community no-advertise VARIABLE no-advertise local-AS'@2: rv==7
+  'local-AS'
+describe 'show bgp view VARIABLE ipv6 multicast community no-advertise VARIABLE no-advertise local-AS'@2: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+  'local-AS' 'Do not send outside local AS (well-known community)'
+execute relaxed 'show bgp view VARIABLE ipv6 multicast community no-advertise VARIABLE no-advertise local-AS'@4: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv6', 'multicast', 'no-advertise', 'VARIABLE', 'no-advertise', 'local-AS'
+execute strict 'show bgp view VARIABLE ipv6 multicast community no-advertise VARIABLE no-advertise local-AS'@4: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv6', 'multicast', 'no-advertise', 'VARIABLE', 'no-advertise', 'local-AS'
+complete 'show bgp view VARIABLE ipv6 multicast community no-advertise VARIABLE no-advertise local-AS'@4: rv==7
+  'local-AS'
+describe 'show bgp view VARIABLE ipv6 multicast community no-advertise VARIABLE no-advertise local-AS'@4: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+  'local-AS' 'Do not send outside local AS (well-known community)'
+execute relaxed 'show ip bgp community no-advertise local-AS no-advertise VARIABLE'@1: rv==0, 'show ip bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'local-AS', 'no-advertise', 'VARIABLE'
+execute strict 'show ip bgp community no-advertise local-AS no-advertise VARIABLE'@1: rv==0, 'show ip bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'local-AS', 'no-advertise', 'VARIABLE'
+complete 'show ip bgp community no-advertise local-AS no-advertise VARIABLE'@1: rv==2
+describe 'show ip bgp community no-advertise local-AS no-advertise VARIABLE'@1: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show ip bgp community no-advertise local-AS no-advertise VARIABLE'@2: rv==0, 'show ip bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'local-AS', 'no-advertise', 'VARIABLE'
+execute strict 'show ip bgp community no-advertise local-AS no-advertise VARIABLE'@2: rv==0, 'show ip bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'local-AS', 'no-advertise', 'VARIABLE'
+complete 'show ip bgp community no-advertise local-AS no-advertise VARIABLE'@2: rv==2
+describe 'show ip bgp community no-advertise local-AS no-advertise VARIABLE'@2: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show ip bgp community no-advertise local-AS no-advertise VARIABLE'@4: rv==0, 'show ip bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'local-AS', 'no-advertise', 'VARIABLE'
+execute strict 'show ip bgp community no-advertise local-AS no-advertise VARIABLE'@4: rv==0, 'show ip bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'local-AS', 'no-advertise', 'VARIABLE'
+complete 'show ip bgp community no-advertise local-AS no-advertise VARIABLE'@4: rv==2
+describe 'show ip bgp community no-advertise local-AS no-advertise VARIABLE'@4: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show ip bgp ipv4 unicast community no-advertise VARIABLE no-advertise local-AS exact-match'@1: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-advertise', 'VARIABLE', 'no-advertise', 'local-AS'
+execute strict 'show ip bgp ipv4 unicast community no-advertise VARIABLE no-advertise local-AS exact-match'@1: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-advertise', 'VARIABLE', 'no-advertise', 'local-AS'
+complete 'show ip bgp ipv4 unicast community no-advertise VARIABLE no-advertise local-AS exact-match'@1: rv==7
+  'exact-match'
+describe 'show ip bgp ipv4 unicast community no-advertise VARIABLE no-advertise local-AS exact-match'@1: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ip bgp ipv4 unicast community no-advertise VARIABLE no-advertise local-AS exact-match'@2: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-advertise', 'VARIABLE', 'no-advertise', 'local-AS'
+execute strict 'show ip bgp ipv4 unicast community no-advertise VARIABLE no-advertise local-AS exact-match'@2: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-advertise', 'VARIABLE', 'no-advertise', 'local-AS'
+complete 'show ip bgp ipv4 unicast community no-advertise VARIABLE no-advertise local-AS exact-match'@2: rv==7
+  'exact-match'
+describe 'show ip bgp ipv4 unicast community no-advertise VARIABLE no-advertise local-AS exact-match'@2: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ip bgp ipv4 unicast community no-advertise VARIABLE no-advertise local-AS exact-match'@4: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-advertise', 'VARIABLE', 'no-advertise', 'local-AS'
+execute strict 'show ip bgp ipv4 unicast community no-advertise VARIABLE no-advertise local-AS exact-match'@4: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-advertise', 'VARIABLE', 'no-advertise', 'local-AS'
+complete 'show ip bgp ipv4 unicast community no-advertise VARIABLE no-advertise local-AS exact-match'@4: rv==7
+  'exact-match'
+describe 'show ip bgp ipv4 unicast community no-advertise VARIABLE no-advertise local-AS exact-match'@4: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ip bgp ipv4 unicast community no-export VARIABLE local-AS VARIABLE exact-match'@1: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-export', 'VARIABLE', 'local-AS', 'VARIABLE'
+execute strict 'show ip bgp ipv4 unicast community no-export VARIABLE local-AS VARIABLE exact-match'@1: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-export', 'VARIABLE', 'local-AS', 'VARIABLE'
+complete 'show ip bgp ipv4 unicast community no-export VARIABLE local-AS VARIABLE exact-match'@1: rv==7
+  'exact-match'
+describe 'show ip bgp ipv4 unicast community no-export VARIABLE local-AS VARIABLE exact-match'@1: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ip bgp ipv4 unicast community no-export VARIABLE local-AS VARIABLE exact-match'@2: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-export', 'VARIABLE', 'local-AS', 'VARIABLE'
+execute strict 'show ip bgp ipv4 unicast community no-export VARIABLE local-AS VARIABLE exact-match'@2: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-export', 'VARIABLE', 'local-AS', 'VARIABLE'
+complete 'show ip bgp ipv4 unicast community no-export VARIABLE local-AS VARIABLE exact-match'@2: rv==7
+  'exact-match'
+describe 'show ip bgp ipv4 unicast community no-export VARIABLE local-AS VARIABLE exact-match'@2: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ip bgp ipv4 unicast community no-export VARIABLE local-AS VARIABLE exact-match'@4: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-export', 'VARIABLE', 'local-AS', 'VARIABLE'
+execute strict 'show ip bgp ipv4 unicast community no-export VARIABLE local-AS VARIABLE exact-match'@4: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-export', 'VARIABLE', 'local-AS', 'VARIABLE'
+complete 'show ip bgp ipv4 unicast community no-export VARIABLE local-AS VARIABLE exact-match'@4: rv==7
+  'exact-match'
+describe 'show ip bgp ipv4 unicast community no-export VARIABLE local-AS VARIABLE exact-match'@4: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ip bgp ipv4 unicast community no-export VARIABLE no-export local-AS exact-match'@1: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-export', 'VARIABLE', 'no-export', 'local-AS'
+execute strict 'show ip bgp ipv4 unicast community no-export VARIABLE no-export local-AS exact-match'@1: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-export', 'VARIABLE', 'no-export', 'local-AS'
+complete 'show ip bgp ipv4 unicast community no-export VARIABLE no-export local-AS exact-match'@1: rv==7
+  'exact-match'
+describe 'show ip bgp ipv4 unicast community no-export VARIABLE no-export local-AS exact-match'@1: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ip bgp ipv4 unicast community no-export VARIABLE no-export local-AS exact-match'@2: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-export', 'VARIABLE', 'no-export', 'local-AS'
+execute strict 'show ip bgp ipv4 unicast community no-export VARIABLE no-export local-AS exact-match'@2: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-export', 'VARIABLE', 'no-export', 'local-AS'
+complete 'show ip bgp ipv4 unicast community no-export VARIABLE no-export local-AS exact-match'@2: rv==7
+  'exact-match'
+describe 'show ip bgp ipv4 unicast community no-export VARIABLE no-export local-AS exact-match'@2: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ip bgp ipv4 unicast community no-export VARIABLE no-export local-AS exact-match'@4: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-export', 'VARIABLE', 'no-export', 'local-AS'
+execute strict 'show ip bgp ipv4 unicast community no-export VARIABLE no-export local-AS exact-match'@4: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-export', 'VARIABLE', 'no-export', 'local-AS'
+complete 'show ip bgp ipv4 unicast community no-export VARIABLE no-export local-AS exact-match'@4: rv==7
+  'exact-match'
+describe 'show ip bgp ipv4 unicast community no-export VARIABLE no-export local-AS exact-match'@4: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ipv6 bgp community no-export no-export VARIABLE VARIABLE'@2: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-export', 'no-export', 'VARIABLE', 'VARIABLE'
+execute strict 'show ipv6 bgp community no-export no-export VARIABLE VARIABLE'@2: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-export', 'no-export', 'VARIABLE', 'VARIABLE'
+complete 'show ipv6 bgp community no-export no-export VARIABLE VARIABLE'@2: rv==2
+describe 'show ipv6 bgp community no-export no-export VARIABLE VARIABLE'@2: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show ipv6 bgp community no-export no-export VARIABLE VARIABLE'@4: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-export', 'no-export', 'VARIABLE', 'VARIABLE'
+execute strict 'show ipv6 bgp community no-export no-export VARIABLE VARIABLE'@4: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-export', 'no-export', 'VARIABLE', 'VARIABLE'
+complete 'show ipv6 bgp community no-export no-export VARIABLE VARIABLE'@4: rv==2
+describe 'show ipv6 bgp community no-export no-export VARIABLE VARIABLE'@4: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show ipv6 bgp community VARIABLE local-AS no-advertise no-advertise exact-match'@2: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'no-advertise', 'no-advertise'
+execute strict 'show ipv6 bgp community VARIABLE local-AS no-advertise no-advertise exact-match'@2: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'no-advertise', 'no-advertise'
+complete 'show ipv6 bgp community VARIABLE local-AS no-advertise no-advertise exact-match'@2: rv==7
+  'exact-match'
+describe 'show ipv6 bgp community VARIABLE local-AS no-advertise no-advertise exact-match'@2: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ipv6 bgp community VARIABLE local-AS no-advertise no-advertise exact-match'@4: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'no-advertise', 'no-advertise'
+execute strict 'show ipv6 bgp community VARIABLE local-AS no-advertise no-advertise exact-match'@4: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABLE', 'local-AS', 'no-advertise', 'no-advertise'
+complete 'show ipv6 bgp community VARIABLE local-AS no-advertise no-advertise exact-match'@4: rv==7
+  'exact-match'
+describe 'show ipv6 bgp community VARIABLE local-AS no-advertise no-advertise exact-match'@4: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ipv6 mbgp community local-AS local-AS local-AS VARIABLE exact-match'@2: rv==0, 'show ipv6 mbgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'local-AS', 'local-AS', 'local-AS', 'VARIABLE'
+execute strict 'show ipv6 mbgp community local-AS local-AS local-AS VARIABLE exact-match'@2: rv==0, 'show ipv6 mbgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'local-AS', 'local-AS', 'local-AS', 'VARIABLE'
+complete 'show ipv6 mbgp community local-AS local-AS local-AS VARIABLE exact-match'@2: rv==7
+  'exact-match'
+describe 'show ipv6 mbgp community local-AS local-AS local-AS VARIABLE exact-match'@2: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ipv6 mbgp community local-AS local-AS local-AS VARIABLE exact-match'@4: rv==0, 'show ipv6 mbgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'local-AS', 'local-AS', 'local-AS', 'VARIABLE'
+execute strict 'show ipv6 mbgp community local-AS local-AS local-AS VARIABLE exact-match'@4: rv==0, 'show ipv6 mbgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'local-AS', 'local-AS', 'local-AS', 'VARIABLE'
+complete 'show ipv6 mbgp community local-AS local-AS local-AS VARIABLE exact-match'@4: rv==7
+  'exact-match'
+describe 'show ipv6 mbgp community local-AS local-AS local-AS VARIABLE exact-match'@4: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ipv6 mbgp community local-AS local-AS no-export no-export exact-match'@2: rv==0, 'show ipv6 mbgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'local-AS', 'local-AS', 'no-export', 'no-export'
+execute strict 'show ipv6 mbgp community local-AS local-AS no-export no-export exact-match'@2: rv==0, 'show ipv6 mbgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'local-AS', 'local-AS', 'no-export', 'no-export'
+complete 'show ipv6 mbgp community local-AS local-AS no-export no-export exact-match'@2: rv==7
+  'exact-match'
+describe 'show ipv6 mbgp community local-AS local-AS no-export no-export exact-match'@2: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ipv6 mbgp community local-AS local-AS no-export no-export exact-match'@4: rv==0, 'show ipv6 mbgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'local-AS', 'local-AS', 'no-export', 'no-export'
+execute strict 'show ipv6 mbgp community local-AS local-AS no-export no-export exact-match'@4: rv==0, 'show ipv6 mbgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'local-AS', 'local-AS', 'no-export', 'no-export'
+complete 'show ipv6 mbgp community local-AS local-AS no-export no-export exact-match'@4: rv==7
+  'exact-match'
+describe 'show ipv6 mbgp community local-AS local-AS no-export no-export exact-match'@4: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ipv6 mbgp community no-export no-export local-AS no-export exact-match'@2: rv==0, 'show ipv6 mbgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'no-export', 'no-export', 'local-AS', 'no-export'
+execute strict 'show ipv6 mbgp community no-export no-export local-AS no-export exact-match'@2: rv==0, 'show ipv6 mbgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'no-export', 'no-export', 'local-AS', 'no-export'
+complete 'show ipv6 mbgp community no-export no-export local-AS no-export exact-match'@2: rv==7
+  'exact-match'
+describe 'show ipv6 mbgp community no-export no-export local-AS no-export exact-match'@2: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ipv6 mbgp community no-export no-export local-AS no-export exact-match'@4: rv==0, 'show ipv6 mbgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'no-export', 'no-export', 'local-AS', 'no-export'
+execute strict 'show ipv6 mbgp community no-export no-export local-AS no-export exact-match'@4: rv==0, 'show ipv6 mbgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'no-export', 'no-export', 'local-AS', 'no-export'
+complete 'show ipv6 mbgp community no-export no-export local-AS no-export exact-match'@4: rv==7
+  'exact-match'
+describe 'show ipv6 mbgp community no-export no-export local-AS no-export exact-match'@4: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ipv6 ospf6 database as-external dump'@2: rv==0, 'show ipv6 ospf6 database (router|network|inter-prefix|inter-router|as-external|group-membership|type-7|link|intra-prefix) (detail|dump|internal)': 'as-external', 'dump'
+execute strict 'show ipv6 ospf6 database as-external dump'@2: rv==0, 'show ipv6 ospf6 database (router|network|inter-prefix|inter-router|as-external|group-membership|type-7|link|intra-prefix) (detail|dump|internal)': 'as-external', 'dump'
+complete 'show ipv6 ospf6 database as-external dump'@2: rv==7
+  'dump'
+describe 'show ipv6 ospf6 database as-external dump'@2: rv==0
+  'dump' 'Dump LSAs'
+execute relaxed 'show ipv6 ospf6 database as-external dump'@4: rv==0, 'show ipv6 ospf6 database (router|network|inter-prefix|inter-router|as-external|group-membership|type-7|link|intra-prefix) (detail|dump|internal)': 'as-external', 'dump'
+execute strict 'show ipv6 ospf6 database as-external dump'@4: rv==0, 'show ipv6 ospf6 database (router|network|inter-prefix|inter-router|as-external|group-membership|type-7|link|intra-prefix) (detail|dump|internal)': 'as-external', 'dump'
+complete 'show ipv6 ospf6 database as-external dump'@4: rv==7
+  'dump'
+describe 'show ipv6 ospf6 database as-external dump'@4: rv==0
+  'dump' 'Dump LSAs'
+execute relaxed 'show ipv6 ospf6 database inter-prefix 1.2.3.4 detail'@2: rv==0, 'show ipv6 ospf6 database (router|network|inter-prefix|inter-router|as-external|group-membership|type-7|link|intra-prefix) A.B.C.D (detail|dump|internal)': 'inter-prefix', '1.2.3.4', 'detail'
+execute strict 'show ipv6 ospf6 database inter-prefix 1.2.3.4 detail'@2: rv==0, 'show ipv6 ospf6 database (router|network|inter-prefix|inter-router|as-external|group-membership|type-7|link|intra-prefix) A.B.C.D (detail|dump|internal)': 'inter-prefix', '1.2.3.4', 'detail'
+complete 'show ipv6 ospf6 database inter-prefix 1.2.3.4 detail'@2: rv==7
+  'detail'
+describe 'show ipv6 ospf6 database inter-prefix 1.2.3.4 detail'@2: rv==0
+  'detail' 'Display details of LSAs'
+execute relaxed 'show ipv6 ospf6 database inter-prefix 1.2.3.4 detail'@4: rv==0, 'show ipv6 ospf6 database (router|network|inter-prefix|inter-router|as-external|group-membership|type-7|link|intra-prefix) A.B.C.D (detail|dump|internal)': 'inter-prefix', '1.2.3.4', 'detail'
+execute strict 'show ipv6 ospf6 database inter-prefix 1.2.3.4 detail'@4: rv==0, 'show ipv6 ospf6 database (router|network|inter-prefix|inter-router|as-external|group-membership|type-7|link|intra-prefix) A.B.C.D (detail|dump|internal)': 'inter-prefix', '1.2.3.4', 'detail'
+complete 'show ipv6 ospf6 database inter-prefix 1.2.3.4 detail'@4: rv==7
+  'detail'
+describe 'show ipv6 ospf6 database inter-prefix 1.2.3.4 detail'@4: rv==0
+  'detail' 'Display details of LSAs'
+execute relaxed 'show ipv6 ospf6 database intra-prefix 1.2.3.4 internal'@2: rv==0, 'show ipv6 ospf6 database (router|network|inter-prefix|inter-router|as-external|group-membership|type-7|link|intra-prefix) A.B.C.D (detail|dump|internal)': 'intra-prefix', '1.2.3.4', 'internal'
+execute strict 'show ipv6 ospf6 database intra-prefix 1.2.3.4 internal'@2: rv==0, 'show ipv6 ospf6 database (router|network|inter-prefix|inter-router|as-external|group-membership|type-7|link|intra-prefix) A.B.C.D (detail|dump|internal)': 'intra-prefix', '1.2.3.4', 'internal'
+complete 'show ipv6 ospf6 database intra-prefix 1.2.3.4 internal'@2: rv==7
+  'internal'
+describe 'show ipv6 ospf6 database intra-prefix 1.2.3.4 internal'@2: rv==0
+  'internal' 'Display LSA's internal information'
+execute relaxed 'show ipv6 ospf6 database intra-prefix 1.2.3.4 internal'@4: rv==0, 'show ipv6 ospf6 database (router|network|inter-prefix|inter-router|as-external|group-membership|type-7|link|intra-prefix) A.B.C.D (detail|dump|internal)': 'intra-prefix', '1.2.3.4', 'internal'
+execute strict 'show ipv6 ospf6 database intra-prefix 1.2.3.4 internal'@4: rv==0, 'show ipv6 ospf6 database (router|network|inter-prefix|inter-router|as-external|group-membership|type-7|link|intra-prefix) A.B.C.D (detail|dump|internal)': 'intra-prefix', '1.2.3.4', 'internal'
+complete 'show ipv6 ospf6 database intra-prefix 1.2.3.4 internal'@4: rv==7
+  'internal'
+describe 'show ipv6 ospf6 database intra-prefix 1.2.3.4 internal'@4: rv==0
+  'internal' 'Display LSA's internal information'
+execute relaxed 'area 1.2.3.4 virtual-link 1.2.3.4 hello-interval 1 dead-interva 1 retransmit-interval 1 transmit-delay 1'@23: rv==0, 'area (A.B.C.D|<0-4294967295>) virtual-link A.B.C.D (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535> (hello-interval|retransmit-interval|transmit-delay|dead-interval) <1-65535>': '1.2.3.4', '1.2.3.4', 'hello-interval', '1', 'dead-interva', '1', 'retransmit-interval', '1', 'transmit-delay', '1'
+execute strict 'area 1.2.3.4 virtual-link 1.2.3.4 hello-interval 1 dead-interva 1 retransmit-interval 1 transmit-delay 1'@23: rv==2
+complete 'area 1.2.3.4 virtual-link 1.2.3.4 hello-interval 1 dead-interva 1 retransmit-interval 1 transmit-delay 1'@23: rv==2
+describe 'area 1.2.3.4 virtual-link 1.2.3.4 hello-interval 1 dead-interva 1 retransmit-interval 1 transmit-delay 1'@23: rv==0
+  '<1-65535>' 'Seconds'
+execute relaxed 'show bgp community VARIABL no-agdvertise locl-AS no-advertise exact-match'@1: rv==0, 'show bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABL', 'no-agdvertise', 'locl-AS', 'no-advertise'
+execute strict 'show bgp community VARIABL no-agdvertise locl-AS no-advertise exact-match'@1: rv==0, 'show bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABL', 'no-agdvertise', 'locl-AS', 'no-advertise'
+complete 'show bgp community VARIABL no-agdvertise locl-AS no-advertise exact-match'@1: rv==7
+  'exact-match'
+describe 'show bgp community VARIABL no-agdvertise locl-AS no-advertise exact-match'@1: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show bgp community VARIABL no-agdvertise locl-AS no-advertise exact-match'@2: rv==0, 'show bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABL', 'no-agdvertise', 'locl-AS', 'no-advertise'
+execute strict 'show bgp community VARIABL no-agdvertise locl-AS no-advertise exact-match'@2: rv==0, 'show bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABL', 'no-agdvertise', 'locl-AS', 'no-advertise'
+complete 'show bgp community VARIABL no-agdvertise locl-AS no-advertise exact-match'@2: rv==7
+  'exact-match'
+describe 'show bgp community VARIABL no-agdvertise locl-AS no-advertise exact-match'@2: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show bgp community VARIABL no-agdvertise locl-AS no-advertise exact-match'@4: rv==0, 'show bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABL', 'no-agdvertise', 'locl-AS', 'no-advertise'
+execute strict 'show bgp community VARIABL no-agdvertise locl-AS no-advertise exact-match'@4: rv==0, 'show bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABL', 'no-agdvertise', 'locl-AS', 'no-advertise'
+complete 'show bgp community VARIABL no-agdvertise locl-AS no-advertise exact-match'@4: rv==7
+  'exact-match'
+describe 'show bgp community VARIABL no-agdvertise locl-AS no-advertise exact-match'@4: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show bgp ipv6 community local-AS no-expor no-xport VARIABCLE'@1: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'local-AS', 'no-expor', 'no-xport', 'VARIABCLE'
+execute strict 'show bgp ipv6 community local-AS no-expor no-xport VARIABCLE'@1: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'local-AS', 'no-expor', 'no-xport', 'VARIABCLE'
+complete 'show bgp ipv6 community local-AS no-expor no-xport VARIABCLE'@1: rv==2
+describe 'show bgp ipv6 community local-AS no-expor no-xport VARIABCLE'@1: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show bgp ipv6 community local-AS no-expor no-xport VARIABCLE'@2: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'local-AS', 'no-expor', 'no-xport', 'VARIABCLE'
+execute strict 'show bgp ipv6 community local-AS no-expor no-xport VARIABCLE'@2: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'local-AS', 'no-expor', 'no-xport', 'VARIABCLE'
+complete 'show bgp ipv6 community local-AS no-expor no-xport VARIABCLE'@2: rv==2
+describe 'show bgp ipv6 community local-AS no-expor no-xport VARIABCLE'@2: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show bgp ipv6 community local-AS no-expor no-xport VARIABCLE'@4: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'local-AS', 'no-expor', 'no-xport', 'VARIABCLE'
+execute strict 'show bgp ipv6 community local-AS no-expor no-xport VARIABCLE'@4: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'local-AS', 'no-expor', 'no-xport', 'VARIABCLE'
+complete 'show bgp ipv6 community local-AS no-expor no-xport VARIABCLE'@4: rv==2
+describe 'show bgp ipv6 community local-AS no-expor no-xport VARIABCLE'@4: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show bgp ipv6 community no-adsertise local-AS no8-advertise VARIABLE'@1: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-adsertise', 'local-AS', 'no8-advertise', 'VARIABLE'
+execute strict 'show bgp ipv6 community no-adsertise local-AS no8-advertise VARIABLE'@1: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-adsertise', 'local-AS', 'no8-advertise', 'VARIABLE'
+complete 'show bgp ipv6 community no-adsertise local-AS no8-advertise VARIABLE'@1: rv==2
+describe 'show bgp ipv6 community no-adsertise local-AS no8-advertise VARIABLE'@1: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show bgp ipv6 community no-adsertise local-AS no8-advertise VARIABLE'@2: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-adsertise', 'local-AS', 'no8-advertise', 'VARIABLE'
+execute strict 'show bgp ipv6 community no-adsertise local-AS no8-advertise VARIABLE'@2: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-adsertise', 'local-AS', 'no8-advertise', 'VARIABLE'
+complete 'show bgp ipv6 community no-adsertise local-AS no8-advertise VARIABLE'@2: rv==2
+describe 'show bgp ipv6 community no-adsertise local-AS no8-advertise VARIABLE'@2: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show bgp ipv6 community no-adsertise local-AS no8-advertise VARIABLE'@4: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-adsertise', 'local-AS', 'no8-advertise', 'VARIABLE'
+execute strict 'show bgp ipv6 community no-adsertise local-AS no8-advertise VARIABLE'@4: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-adsertise', 'local-AS', 'no8-advertise', 'VARIABLE'
+complete 'show bgp ipv6 community no-adsertise local-AS no8-advertise VARIABLE'@4: rv==2
+describe 'show bgp ipv6 community no-adsertise local-AS no8-advertise VARIABLE'@4: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show bgp ipv6 community no-advertise no6-export lcal-AS local-AS'@1: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'no6-export', 'lcal-AS', 'local-AS'
+execute strict 'show bgp ipv6 community no-advertise no6-export lcal-AS local-AS'@1: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'no6-export', 'lcal-AS', 'local-AS'
+complete 'show bgp ipv6 community no-advertise no6-export lcal-AS local-AS'@1: rv==7
+  'local-AS'
+describe 'show bgp ipv6 community no-advertise no6-export lcal-AS local-AS'@1: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+  'local-AS' 'Do not send outside local AS (well-known community)'
+execute relaxed 'show bgp ipv6 community no-advertise no6-export lcal-AS local-AS'@2: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'no6-export', 'lcal-AS', 'local-AS'
+execute strict 'show bgp ipv6 community no-advertise no6-export lcal-AS local-AS'@2: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'no6-export', 'lcal-AS', 'local-AS'
+complete 'show bgp ipv6 community no-advertise no6-export lcal-AS local-AS'@2: rv==7
+  'local-AS'
+describe 'show bgp ipv6 community no-advertise no6-export lcal-AS local-AS'@2: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+  'local-AS' 'Do not send outside local AS (well-known community)'
+execute relaxed 'show bgp ipv6 community no-advertise no6-export lcal-AS local-AS'@4: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'no6-export', 'lcal-AS', 'local-AS'
+execute strict 'show bgp ipv6 community no-advertise no6-export lcal-AS local-AS'@4: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'no6-export', 'lcal-AS', 'local-AS'
+complete 'show bgp ipv6 community no-advertise no6-export lcal-AS local-AS'@4: rv==7
+  'local-AS'
+describe 'show bgp ipv6 community no-advertise no6-export lcal-AS local-AS'@4: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+  'local-AS' 'Do not send outside local AS (well-known community)'
+execute relaxed 'show bgp ipv6 community no-advertise no-advertise no-advertiseno-xport exact-math'@1: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'no-advertise', 'no-advertiseno-xport', 'exact-math'
+execute strict 'show bgp ipv6 community no-advertise no-advertise no-advertiseno-xport exact-math'@1: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'no-advertise', 'no-advertiseno-xport', 'exact-math'
+complete 'show bgp ipv6 community no-advertise no-advertise no-advertiseno-xport exact-math'@1: rv==2
+describe 'show bgp ipv6 community no-advertise no-advertise no-advertiseno-xport exact-math'@1: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show bgp ipv6 community no-advertise no-advertise no-advertiseno-xport exact-math'@2: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'no-advertise', 'no-advertiseno-xport', 'exact-math'
+execute strict 'show bgp ipv6 community no-advertise no-advertise no-advertiseno-xport exact-math'@2: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'no-advertise', 'no-advertiseno-xport', 'exact-math'
+complete 'show bgp ipv6 community no-advertise no-advertise no-advertiseno-xport exact-math'@2: rv==2
+describe 'show bgp ipv6 community no-advertise no-advertise no-advertiseno-xport exact-math'@2: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show bgp ipv6 community no-advertise no-advertise no-advertiseno-xport exact-math'@4: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'no-advertise', 'no-advertiseno-xport', 'exact-math'
+execute strict 'show bgp ipv6 community no-advertise no-advertise no-advertiseno-xport exact-math'@4: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-advertise', 'no-advertise', 'no-advertiseno-xport', 'exact-math'
+complete 'show bgp ipv6 community no-advertise no-advertise no-advertiseno-xport exact-math'@4: rv==2
+describe 'show bgp ipv6 community no-advertise no-advertise no-advertiseno-xport exact-math'@4: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show bgp ipv6 community no-export local-AS no-adertise no-adve-tie'@1: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-export', 'local-AS', 'no-adertise', 'no-adve-tie'
+execute strict 'show bgp ipv6 community no-export local-AS no-adertise no-adve-tie'@1: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-export', 'local-AS', 'no-adertise', 'no-adve-tie'
+complete 'show bgp ipv6 community no-export local-AS no-adertise no-adve-tie'@1: rv==2
+describe 'show bgp ipv6 community no-export local-AS no-adertise no-adve-tie'@1: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show bgp ipv6 community no-export local-AS no-adertise no-adve-tie'@2: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-export', 'local-AS', 'no-adertise', 'no-adve-tie'
+execute strict 'show bgp ipv6 community no-export local-AS no-adertise no-adve-tie'@2: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-export', 'local-AS', 'no-adertise', 'no-adve-tie'
+complete 'show bgp ipv6 community no-export local-AS no-adertise no-adve-tie'@2: rv==2
+describe 'show bgp ipv6 community no-export local-AS no-adertise no-adve-tie'@2: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show bgp ipv6 community no-export local-AS no-adertise no-adve-tie'@4: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-export', 'local-AS', 'no-adertise', 'no-adve-tie'
+execute strict 'show bgp ipv6 community no-export local-AS no-adertise no-adve-tie'@4: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-export', 'local-AS', 'no-adertise', 'no-adve-tie'
+complete 'show bgp ipv6 community no-export local-AS no-adertise no-adve-tie'@4: rv==2
+describe 'show bgp ipv6 community no-export local-AS no-adertise no-adve-tie'@4: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show bgp ipv6 community yno-advertis VAyRIABLE no-advertise VARIABLE'@1: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'yno-advertis', 'VAyRIABLE', 'no-advertise', 'VARIABLE'
+execute strict 'show bgp ipv6 community yno-advertis VAyRIABLE no-advertise VARIABLE'@1: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'yno-advertis', 'VAyRIABLE', 'no-advertise', 'VARIABLE'
+complete 'show bgp ipv6 community yno-advertis VAyRIABLE no-advertise VARIABLE'@1: rv==2
+describe 'show bgp ipv6 community yno-advertis VAyRIABLE no-advertise VARIABLE'@1: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show bgp ipv6 community yno-advertis VAyRIABLE no-advertise VARIABLE'@2: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'yno-advertis', 'VAyRIABLE', 'no-advertise', 'VARIABLE'
+execute strict 'show bgp ipv6 community yno-advertis VAyRIABLE no-advertise VARIABLE'@2: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'yno-advertis', 'VAyRIABLE', 'no-advertise', 'VARIABLE'
+complete 'show bgp ipv6 community yno-advertis VAyRIABLE no-advertise VARIABLE'@2: rv==2
+describe 'show bgp ipv6 community yno-advertis VAyRIABLE no-advertise VARIABLE'@2: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show bgp ipv6 community yno-advertis VAyRIABLE no-advertise VARIABLE'@4: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'yno-advertis', 'VAyRIABLE', 'no-advertise', 'VARIABLE'
+execute strict 'show bgp ipv6 community yno-advertis VAyRIABLE no-advertise VARIABLE'@4: rv==0, 'show bgp ipv6 community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'yno-advertis', 'VAyRIABLE', 'no-advertise', 'VARIABLE'
+complete 'show bgp ipv6 community yno-advertis VAyRIABLE no-advertise VARIABLE'@4: rv==2
+describe 'show bgp ipv6 community yno-advertis VAyRIABLE no-advertise VARIABLE'@4: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show bgp view VAR0IABLE ipv4 unicast community local-AS no-advertie no-advertise local-AS'@1: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VAR0IABLE', 'ipv4', 'unicast', 'local-AS', 'no-advertie', 'no-advertise', 'local-AS'
+execute strict 'show bgp view VAR0IABLE ipv4 unicast community local-AS no-advertie no-advertise local-AS'@1: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VAR0IABLE', 'ipv4', 'unicast', 'local-AS', 'no-advertie', 'no-advertise', 'local-AS'
+complete 'show bgp view VAR0IABLE ipv4 unicast community local-AS no-advertie no-advertise local-AS'@1: rv==7
+  'local-AS'
+describe 'show bgp view VAR0IABLE ipv4 unicast community local-AS no-advertie no-advertise local-AS'@1: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+  'local-AS' 'Do not send outside local AS (well-known community)'
+execute relaxed 'show bgp view VAR0IABLE ipv4 unicast community local-AS no-advertie no-advertise local-AS'@2: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VAR0IABLE', 'ipv4', 'unicast', 'local-AS', 'no-advertie', 'no-advertise', 'local-AS'
+execute strict 'show bgp view VAR0IABLE ipv4 unicast community local-AS no-advertie no-advertise local-AS'@2: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VAR0IABLE', 'ipv4', 'unicast', 'local-AS', 'no-advertie', 'no-advertise', 'local-AS'
+complete 'show bgp view VAR0IABLE ipv4 unicast community local-AS no-advertie no-advertise local-AS'@2: rv==7
+  'local-AS'
+describe 'show bgp view VAR0IABLE ipv4 unicast community local-AS no-advertie no-advertise local-AS'@2: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+  'local-AS' 'Do not send outside local AS (well-known community)'
+execute relaxed 'show bgp view VAR0IABLE ipv4 unicast community local-AS no-advertie no-advertise local-AS'@4: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VAR0IABLE', 'ipv4', 'unicast', 'local-AS', 'no-advertie', 'no-advertise', 'local-AS'
+execute strict 'show bgp view VAR0IABLE ipv4 unicast community local-AS no-advertie no-advertise local-AS'@4: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VAR0IABLE', 'ipv4', 'unicast', 'local-AS', 'no-advertie', 'no-advertise', 'local-AS'
+complete 'show bgp view VAR0IABLE ipv4 unicast community local-AS no-advertie no-advertise local-AS'@4: rv==7
+  'local-AS'
+describe 'show bgp view VAR0IABLE ipv4 unicast community local-AS no-advertie no-advertise local-AS'@4: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+  'local-AS' 'Do not send outside local AS (well-known community)'
+execute relaxed 'show bgp view VARIABLE ipv4 multicast community local-AS VARIABLE loqal-AS no-export'@1: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'multicast', 'local-AS', 'VARIABLE', 'loqal-AS', 'no-export'
+execute strict 'show bgp view VARIABLE ipv4 multicast community local-AS VARIABLE loqal-AS no-export'@1: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'multicast', 'local-AS', 'VARIABLE', 'loqal-AS', 'no-export'
+complete 'show bgp view VARIABLE ipv4 multicast community local-AS VARIABLE loqal-AS no-export'@1: rv==7
+  'no-export'
+describe 'show bgp view VARIABLE ipv4 multicast community local-AS VARIABLE loqal-AS no-export'@1: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+  'no-export' 'Do not export to next AS (well-known community)'
+execute relaxed 'show bgp view VARIABLE ipv4 multicast community local-AS VARIABLE loqal-AS no-export'@2: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'multicast', 'local-AS', 'VARIABLE', 'loqal-AS', 'no-export'
+execute strict 'show bgp view VARIABLE ipv4 multicast community local-AS VARIABLE loqal-AS no-export'@2: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'multicast', 'local-AS', 'VARIABLE', 'loqal-AS', 'no-export'
+complete 'show bgp view VARIABLE ipv4 multicast community local-AS VARIABLE loqal-AS no-export'@2: rv==7
+  'no-export'
+describe 'show bgp view VARIABLE ipv4 multicast community local-AS VARIABLE loqal-AS no-export'@2: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+  'no-export' 'Do not export to next AS (well-known community)'
+execute relaxed 'show bgp view VARIABLE ipv4 multicast community local-AS VARIABLE loqal-AS no-export'@4: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'multicast', 'local-AS', 'VARIABLE', 'loqal-AS', 'no-export'
+execute strict 'show bgp view VARIABLE ipv4 multicast community local-AS VARIABLE loqal-AS no-export'@4: rv==0, 'show bgp view WORD (ipv4|ipv6) (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLE', 'ipv4', 'multicast', 'local-AS', 'VARIABLE', 'loqal-AS', 'no-export'
+complete 'show bgp view VARIABLE ipv4 multicast community local-AS VARIABLE loqal-AS no-export'@4: rv==7
+  'no-export'
+describe 'show bgp view VARIABLE ipv4 multicast community local-AS VARIABLE loqal-AS no-export'@4: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+  'no-export' 'Do not export to next AS (well-known community)'
+execute relaxed 'show ip bgp community no-expor VARIABLEono-export VARIAuBLE'@1: rv==0, 'show ip bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-expor', 'VARIABLEono-export', 'VARIAuBLE'
+execute strict 'show ip bgp community no-expor VARIABLEono-export VARIAuBLE'@1: rv==0, 'show ip bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-expor', 'VARIABLEono-export', 'VARIAuBLE'
+complete 'show ip bgp community no-expor VARIABLEono-export VARIAuBLE'@1: rv==2
+describe 'show ip bgp community no-expor VARIABLEono-export VARIAuBLE'@1: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show ip bgp community no-expor VARIABLEono-export VARIAuBLE'@2: rv==0, 'show ip bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-expor', 'VARIABLEono-export', 'VARIAuBLE'
+execute strict 'show ip bgp community no-expor VARIABLEono-export VARIAuBLE'@2: rv==0, 'show ip bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-expor', 'VARIABLEono-export', 'VARIAuBLE'
+complete 'show ip bgp community no-expor VARIABLEono-export VARIAuBLE'@2: rv==2
+describe 'show ip bgp community no-expor VARIABLEono-export VARIAuBLE'@2: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show ip bgp community no-expor VARIABLEono-export VARIAuBLE'@4: rv==0, 'show ip bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-expor', 'VARIABLEono-export', 'VARIAuBLE'
+execute strict 'show ip bgp community no-expor VARIABLEono-export VARIAuBLE'@4: rv==0, 'show ip bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-expor', 'VARIABLEono-export', 'VARIAuBLE'
+complete 'show ip bgp community no-expor VARIABLEono-export VARIAuBLE'@4: rv==2
+describe 'show ip bgp community no-expor VARIABLEono-export VARIAuBLE'@4: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show ip bgp community VARIABLElocal-AS no-advertise local-AS xack-match'@1: rv==0, 'show ip bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLElocal-AS', 'no-advertise', 'local-AS', 'xack-match'
+execute strict 'show ip bgp community VARIABLElocal-AS no-advertise local-AS xack-match'@1: rv==0, 'show ip bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLElocal-AS', 'no-advertise', 'local-AS', 'xack-match'
+complete 'show ip bgp community VARIABLElocal-AS no-advertise local-AS xack-match'@1: rv==2
+describe 'show ip bgp community VARIABLElocal-AS no-advertise local-AS xack-match'@1: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show ip bgp community VARIABLElocal-AS no-advertise local-AS xack-match'@2: rv==0, 'show ip bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLElocal-AS', 'no-advertise', 'local-AS', 'xack-match'
+execute strict 'show ip bgp community VARIABLElocal-AS no-advertise local-AS xack-match'@2: rv==0, 'show ip bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLElocal-AS', 'no-advertise', 'local-AS', 'xack-match'
+complete 'show ip bgp community VARIABLElocal-AS no-advertise local-AS xack-match'@2: rv==2
+describe 'show ip bgp community VARIABLElocal-AS no-advertise local-AS xack-match'@2: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show ip bgp community VARIABLElocal-AS no-advertise local-AS xack-match'@4: rv==0, 'show ip bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLElocal-AS', 'no-advertise', 'local-AS', 'xack-match'
+execute strict 'show ip bgp community VARIABLElocal-AS no-advertise local-AS xack-match'@4: rv==0, 'show ip bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'VARIABLElocal-AS', 'no-advertise', 'local-AS', 'xack-match'
+complete 'show ip bgp community VARIABLElocal-AS no-advertise local-AS xack-match'@4: rv==2
+describe 'show ip bgp community VARIABLElocal-AS no-advertise local-AS xack-match'@4: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show ip bgp ipv4 unicast community no-advertise no-export no-advrtWise mno-export exact-match'@1: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-advertise', 'no-export', 'no-advrtWise', 'mno-export'
+execute strict 'show ip bgp ipv4 unicast community no-advertise no-export no-advrtWise mno-export exact-match'@1: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-advertise', 'no-export', 'no-advrtWise', 'mno-export'
+complete 'show ip bgp ipv4 unicast community no-advertise no-export no-advrtWise mno-export exact-match'@1: rv==7
+  'exact-match'
+describe 'show ip bgp ipv4 unicast community no-advertise no-export no-advrtWise mno-export exact-match'@1: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ip bgp ipv4 unicast community no-advertise no-export no-advrtWise mno-export exact-match'@2: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-advertise', 'no-export', 'no-advrtWise', 'mno-export'
+execute strict 'show ip bgp ipv4 unicast community no-advertise no-export no-advrtWise mno-export exact-match'@2: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-advertise', 'no-export', 'no-advrtWise', 'mno-export'
+complete 'show ip bgp ipv4 unicast community no-advertise no-export no-advrtWise mno-export exact-match'@2: rv==7
+  'exact-match'
+describe 'show ip bgp ipv4 unicast community no-advertise no-export no-advrtWise mno-export exact-match'@2: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ip bgp ipv4 unicast community no-advertise no-export no-advrtWise mno-export exact-match'@4: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-advertise', 'no-export', 'no-advrtWise', 'mno-export'
+execute strict 'show ip bgp ipv4 unicast community no-advertise no-export no-advrtWise mno-export exact-match'@4: rv==0, 'show ip bgp ipv4 (unicast|multicast) community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'unicast', 'no-advertise', 'no-export', 'no-advrtWise', 'mno-export'
+complete 'show ip bgp ipv4 unicast community no-advertise no-export no-advrtWise mno-export exact-match'@4: rv==7
+  'exact-match'
+describe 'show ip bgp ipv4 unicast community no-advertise no-export no-advrtWise mno-export exact-match'@4: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ipv6 bgp community noeexport VARIABLE VARIABLE no-aMdverise exact-match'@2: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'noeexport', 'VARIABLE', 'VARIABLE', 'no-aMdverise'
+execute strict 'show ipv6 bgp community noeexport VARIABLE VARIABLE no-aMdverise exact-match'@2: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'noeexport', 'VARIABLE', 'VARIABLE', 'no-aMdverise'
+complete 'show ipv6 bgp community noeexport VARIABLE VARIABLE no-aMdverise exact-match'@2: rv==7
+  'exact-match'
+describe 'show ipv6 bgp community noeexport VARIABLE VARIABLE no-aMdverise exact-match'@2: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ipv6 bgp community noeexport VARIABLE VARIABLE no-aMdverise exact-match'@4: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'noeexport', 'VARIABLE', 'VARIABLE', 'no-aMdverise'
+execute strict 'show ipv6 bgp community noeexport VARIABLE VARIABLE no-aMdverise exact-match'@4: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'noeexport', 'VARIABLE', 'VARIABLE', 'no-aMdverise'
+complete 'show ipv6 bgp community noeexport VARIABLE VARIABLE no-aMdverise exact-match'@4: rv==7
+  'exact-match'
+describe 'show ipv6 bgp community noeexport VARIABLE VARIABLE no-aMdverise exact-match'@4: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ipv6 bgp community no-export loal-AS noK-advertise VARIABLE'@2: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-export', 'loal-AS', 'noK-advertise', 'VARIABLE'
+execute strict 'show ipv6 bgp community no-export loal-AS noK-advertise VARIABLE'@2: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-export', 'loal-AS', 'noK-advertise', 'VARIABLE'
+complete 'show ipv6 bgp community no-export loal-AS noK-advertise VARIABLE'@2: rv==2
+describe 'show ipv6 bgp community no-export loal-AS noK-advertise VARIABLE'@2: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show ipv6 bgp community no-export loal-AS noK-advertise VARIABLE'@4: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-export', 'loal-AS', 'noK-advertise', 'VARIABLE'
+execute strict 'show ipv6 bgp community no-export loal-AS noK-advertise VARIABLE'@4: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'no-export', 'loal-AS', 'noK-advertise', 'VARIABLE'
+complete 'show ipv6 bgp community no-export loal-AS noK-advertise VARIABLE'@4: rv==2
+describe 'show ipv6 bgp community no-export loal-AS noK-advertise VARIABLE'@4: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show ipv6 bgp community VARIABaE no-export no-adertise lo0cal-AS exact-match'@2: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABaE', 'no-export', 'no-adertise', 'lo0cal-AS'
+execute strict 'show ipv6 bgp community VARIABaE no-export no-adertise lo0cal-AS exact-match'@2: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABaE', 'no-export', 'no-adertise', 'lo0cal-AS'
+complete 'show ipv6 bgp community VARIABaE no-export no-adertise lo0cal-AS exact-match'@2: rv==7
+  'exact-match'
+describe 'show ipv6 bgp community VARIABaE no-export no-adertise lo0cal-AS exact-match'@2: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ipv6 bgp community VARIABaE no-export no-adertise lo0cal-AS exact-match'@4: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABaE', 'no-export', 'no-adertise', 'lo0cal-AS'
+execute strict 'show ipv6 bgp community VARIABaE no-export no-adertise lo0cal-AS exact-match'@4: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) exact-match': 'VARIABaE', 'no-export', 'no-adertise', 'lo0cal-AS'
+complete 'show ipv6 bgp community VARIABaE no-export no-adertise lo0cal-AS exact-match'@4: rv==7
+  'exact-match'
+describe 'show ipv6 bgp community VARIABaE no-export no-adertise lo0cal-AS exact-match'@4: rv==0
+  'exact-match' 'Exact match of the communities'
+execute relaxed 'show ipv6 bgp community wARIBLE VARIABLE 8ARIABLE'@2: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'wARIBLE', 'VARIABLE', '8ARIABLE'
+execute strict 'show ipv6 bgp community wARIBLE VARIABLE 8ARIABLE'@2: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'wARIBLE', 'VARIABLE', '8ARIABLE'
+complete 'show ipv6 bgp community wARIBLE VARIABLE 8ARIABLE'@2: rv==2
+describe 'show ipv6 bgp community wARIBLE VARIABLE 8ARIABLE'@2: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'show ipv6 bgp community wARIBLE VARIABLE 8ARIABLE'@4: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'wARIBLE', 'VARIABLE', '8ARIABLE'
+execute strict 'show ipv6 bgp community wARIBLE VARIABLE 8ARIABLE'@4: rv==0, 'show ipv6 bgp community (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export) (AA:NN|local-AS|no-advertise|no-export)': 'wARIBLE', 'VARIABLE', '8ARIABLE'
+complete 'show ipv6 bgp community wARIBLE VARIABLE 8ARIABLE'@4: rv==2
+describe 'show ipv6 bgp community wARIBLE VARIABLE 8ARIABLE'@4: rv==0
+  'AA:NN' 'Community number where AA and NN are <0-65535>'
+execute relaxed 'redistribute bgp'@14: rv==0, 'redistribute (kernel|connected|static|ospf|isis|bgp)': 'bgp'
+execute strict 'redistribute bgp'@14: rv==0, 'redistribute (kernel|connected|static|ospf|isis|bgp)': 'bgp'
+complete 'redistribute bgp'@14: rv==7
+  'bgp'
+describe 'redistribute bgp'@14: rv==0
+  'bgp' 'Border Gateway Protocol (BGP)'
+execute relaxed 'redistribute bgp'@15: rv==0, 'redistribute (kernel|connected|static|ospf6|isis|bgp)': 'bgp'
+execute strict 'redistribute bgp'@15: rv==0, 'redistribute (kernel|connected|static|ospf6|isis|bgp)': 'bgp'
+complete 'redistribute bgp'@15: rv==7
+  'bgp'
+describe 'redistribute bgp'@15: rv==0
+  'bgp' 'Border Gateway Protocol (BGP)'
+execute relaxed 'redistribute bgp'@16: rv==0, 'redistribute (kernel|connected|static|rip|ripng|ospf|ospf6|isis|bgp)': 'bgp'
+execute strict 'redistribute bgp'@16: rv==0, 'redistribute (kernel|connected|static|rip|ripng|ospf|ospf6|isis|bgp)': 'bgp'
+complete 'redistribute bgp'@16: rv==7
+  'bgp'
+describe 'redistribute bgp'@16: rv==0
+  'bgp' 'Border Gateway Protocol (BGP)'
+execute relaxed 'redistribute bgp'@23: rv==0, 'redistribute (kernel|connected|static|rip|isis|bgp) {metric <0-16777214>|metric-type (1|2)|route-map WORD}': 'bgp', '(null)', '(null)', '(null)'
+execute strict 'redistribute bgp'@23: rv==0, 'redistribute (kernel|connected|static|rip|isis|bgp) {metric <0-16777214>|metric-type (1|2)|route-map WORD}': 'bgp', '(null)', '(null)', '(null)'
+complete 'redistribute bgp'@23: rv==7
+  'bgp'
+describe 'redistribute bgp'@23: rv==0
+  'bgp' 'Border Gateway Protocol (BGP)'
+execute relaxed 'redistribute bgp'@24: rv==0, 'redistribute (kernel|connected|static|ripng|isis|bgp)': 'bgp'
+execute strict 'redistribute bgp'@24: rv==0, 'redistribute (kernel|connected|static|ripng|isis|bgp)': 'bgp'
+complete 'redistribute bgp'@24: rv==7
+  'bgp'
+describe 'redistribute bgp'@24: rv==0
+  'bgp' 'Border Gateway Protocol (BGP)'
+execute relaxed 'redistribute bgp m 10'@14: rv==0, 'redistribute (kernel|connected|static|ospf|isis|bgp) metric <0-16>': 'bgp', '10'
+execute strict 'redistribute bgp m 10'@14: rv==2
+complete 'redistribute bgp m 10'@14: rv==2
+describe 'redistribute bgp m 10'@14: rv==0
+  '<0-16>' 'Metric value'
+execute relaxed 'redistribute bgp m 10'@15: rv==0, 'redistribute (kernel|connected|static|ospf6|isis|bgp) metric <0-16>': 'bgp', '10'
+execute strict 'redistribute bgp m 10'@15: rv==2
+complete 'redistribute bgp m 10'@15: rv==2
+describe 'redistribute bgp m 10'@15: rv==0
+  '<0-16>' 'Metric value'
+execute relaxed 'redistribute bgp m 10'@23: rv==3
+execute strict 'redistribute bgp m 10'@23: rv==2
+complete 'redistribute bgp m 10'@23: rv==3
+describe 'redistribute bgp m 10'@23: rv==3
+execute relaxed 'redistribute bgp metric 10 metric-type 1'@23: rv==0, 'redistribute (kernel|connected|static|rip|isis|bgp) {metric <0-16777214>|metric-type (1|2)|route-map WORD}': 'bgp', '10', '1', '(null)'
+execute strict 'redistribute bgp metric 10 metric-type 1'@23: rv==0, 'redistribute (kernel|connected|static|rip|isis|bgp) {metric <0-16777214>|metric-type (1|2)|route-map WORD}': 'bgp', '10', '1', '(null)'
+complete 'redistribute bgp metric 10 metric-type 1'@23: rv==7
+  '1'
+describe 'redistribute bgp metric 10 metric-type 1'@23: rv==0
+  '1' 'Set OSPF External Type 1 metrics'
+execute relaxed 'redistribute bgp route-map RMAP_REDIST_BGP'@14: rv==0, 'redistribute (kernel|connected|static|ospf|isis|bgp) route-map WORD': 'bgp', 'RMAP_REDIST_BGP'
+execute strict 'redistribute bgp route-map RMAP_REDIST_BGP'@14: rv==0, 'redistribute (kernel|connected|static|ospf|isis|bgp) route-map WORD': 'bgp', 'RMAP_REDIST_BGP'
+complete 'redistribute bgp route-map RMAP_REDIST_BGP'@14: rv==2
+describe 'redistribute bgp route-map RMAP_REDIST_BGP'@14: rv==0
+  'WORD' 'Pointer to route-map entries'
+execute relaxed 'redistribute bgp route-map RMAP_REDIST_BGP'@15: rv==0, 'redistribute (kernel|connected|static|ospf6|isis|bgp) route-map WORD': 'bgp', 'RMAP_REDIST_BGP'
+execute strict 'redistribute bgp route-map RMAP_REDIST_BGP'@15: rv==0, 'redistribute (kernel|connected|static|ospf6|isis|bgp) route-map WORD': 'bgp', 'RMAP_REDIST_BGP'
+complete 'redistribute bgp route-map RMAP_REDIST_BGP'@15: rv==2
+describe 'redistribute bgp route-map RMAP_REDIST_BGP'@15: rv==0
+  'WORD' 'Pointer to route-map entries'
+execute relaxed 'redistribute bgp route-map RMAP_REDIST_BGP'@23: rv==0, 'redistribute (kernel|connected|static|rip|isis|bgp) {metric <0-16777214>|metric-type (1|2)|route-map WORD}': 'bgp', '(null)', '(null)', 'RMAP_REDIST_BGP'
+execute strict 'redistribute bgp route-map RMAP_REDIST_BGP'@23: rv==0, 'redistribute (kernel|connected|static|rip|isis|bgp) {metric <0-16777214>|metric-type (1|2)|route-map WORD}': 'bgp', '(null)', '(null)', 'RMAP_REDIST_BGP'
+complete 'redistribute bgp route-map RMAP_REDIST_BGP'@23: rv==2
+describe 'redistribute bgp route-map RMAP_REDIST_BGP'@23: rv==0
+  'WORD' 'Pointer to route-map entries'
+execute relaxed 'redistribute bgp route-map RMAP_REDIST_BGP'@24: rv==0, 'redistribute (kernel|connected|static|ripng|isis|bgp) route-map WORD': 'bgp', 'RMAP_REDIST_BGP'
+execute strict 'redistribute bgp route-map RMAP_REDIST_BGP'@24: rv==0, 'redistribute (kernel|connected|static|ripng|isis|bgp) route-map WORD': 'bgp', 'RMAP_REDIST_BGP'
+complete 'redistribute bgp route-map RMAP_REDIST_BGP'@24: rv==2
+describe 'redistribute bgp route-map RMAP_REDIST_BGP'@24: rv==0
+  'WORD' 'Route map name'
+execute relaxed 'default-information originate metric-type 1 metric 10'@23: rv==0, 'default-information originate {always|metric <0-16777214>|metric-type (1|2)|route-map WORD}': '(null)', '10', '1', '(null)'
+execute strict 'default-information originate metric-type 1 metric 10'@23: rv==0, 'default-information originate {always|metric <0-16777214>|metric-type (1|2)|route-map WORD}': '(null)', '10', '1', '(null)'
+complete 'default-information originate metric-type 1 metric 10'@23: rv==2
+describe 'default-information originate metric-type 1 metric 10'@23: rv==0
+  '<0-16777214>' 'OSPF metric'
+execute relaxed 'default-information originate always metric-type 1 metric 10'@23: rv==0, 'default-information originate {always|metric <0-16777214>|metric-type (1|2)|route-map WORD}': 'always', '10', '1', '(null)'
+execute strict 'default-information originate always metric-type 1 metric 10'@23: rv==0, 'default-information originate {always|metric <0-16777214>|metric-type (1|2)|route-map WORD}': 'always', '10', '1', '(null)'
+complete 'default-information originate always metric-type 1 metric 10'@23: rv==2
+describe 'default-information originate always metric-type 1 metric 10'@23: rv==0
+  '<0-16777214>' 'OSPF metric'
+execute relaxed 'default-information originate route-map RMAP_DEFAULT'@23: rv==0, 'default-information originate {always|metric <0-16777214>|metric-type (1|2)|route-map WORD}': '(null)', '(null)', '(null)', 'RMAP_DEFAULT'
+execute strict 'default-information originate route-map RMAP_DEFAULT'@23: rv==0, 'default-information originate {always|metric <0-16777214>|metric-type (1|2)|route-map WORD}': '(null)', '(null)', '(null)', 'RMAP_DEFAULT'
+complete 'default-information originate route-map RMAP_DEFAULT'@23: rv==2
+describe 'default-information originate route-map RMAP_DEFAULT'@23: rv==0
+  'WORD' 'Pointer to route-map entries'
+execute relaxed 'default-information originate route-map RMAP_DEFAULT metric 10'@23: rv==0, 'default-information originate {always|metric <0-16777214>|metric-type (1|2)|route-map WORD}': '(null)', '10', '(null)', 'RMAP_DEFAULT'
+execute strict 'default-information originate route-map RMAP_DEFAULT metric 10'@23: rv==0, 'default-information originate {always|metric <0-16777214>|metric-type (1|2)|route-map WORD}': '(null)', '10', '(null)', 'RMAP_DEFAULT'
+complete 'default-information originate route-map RMAP_DEFAULT metric 10'@23: rv==2
+describe 'default-information originate route-map RMAP_DEFAULT metric 10'@23: rv==0
+  '<0-16777214>' 'OSPF metric'
+execute relaxed 'default-information originate always metric-type 2 metric 23'@23: rv==0, 'default-information originate {always|metric <0-16777214>|metric-type (1|2)|route-map WORD}': 'always', '23', '2', '(null)'
+execute strict 'default-information originate always metric-type 2 metric 23'@23: rv==0, 'default-information originate {always|metric <0-16777214>|metric-type (1|2)|route-map WORD}': 'always', '23', '2', '(null)'
+complete 'default-information originate always metric-type 2 metric 23'@23: rv==2
+describe 'default-information originate always metric-type 2 metric 23'@23: rv==0
+  '<0-16777214>' 'OSPF metric'
diff --git a/tests/lib/cxxcompat.c b/tests/lib/cxxcompat.c
new file mode 100644
index 0000000..4ad41fc
--- /dev/null
+++ b/tests/lib/cxxcompat.c
@@ -0,0 +1,109 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * C++ compatibility compile-time smoketest
+ * Copyright (C) 2019  David Lamparter for NetDEF, Inc.
+ */
+
+#define test__cplusplus
+
+#include "lib/zebra.h"
+
+#include "lib/agg_table.h"
+#include "lib/bfd.h"
+#include "lib/bitfield.h"
+#include "lib/buffer.h"
+#include "lib/checksum.h"
+#include "lib/command.h"
+#include "lib/command_graph.h"
+#include "lib/command_match.h"
+#include "lib/compiler.h"
+#include "lib/csv.h"
+#include "lib/debug.h"
+#include "lib/distribute.h"
+#include "lib/ferr.h"
+#include "lib/filter.h"
+#include "lib/frr_pthread.h"
+#include "lib/frratomic.h"
+#include "lib/frrstr.h"
+#include "lib/graph.h"
+#include "lib/hash.h"
+#include "lib/hook.h"
+#include "lib/id_alloc.h"
+#include "lib/if.h"
+#include "lib/if_rmap.h"
+#include "lib/imsg.h"
+#include "lib/ipaddr.h"
+#include "lib/jhash.h"
+#include "lib/json.h"
+#include "lib/keychain.h"
+#include "lib/lib_errors.h"
+#include "lib/lib_vty.h"
+#include "lib/libfrr.h"
+#include "lib/libospf.h"
+#include "lib/linklist.h"
+#include "lib/log.h"
+#include "lib/md5.h"
+#include "lib/memory.h"
+#include "lib/mlag.h"
+#include "lib/module.h"
+#include "lib/monotime.h"
+#include "lib/mpls.h"
+#include "lib/network.h"
+#include "lib/nexthop.h"
+#include "lib/nexthop_group.h"
+#include "lib/northbound.h"
+#include "lib/northbound_cli.h"
+#include "lib/northbound_db.h"
+#include "lib/ns.h"
+#include "lib/openbsd-tree.h"
+#include "lib/pbr.h"
+#include "lib/plist.h"
+#include "lib/prefix.h"
+#include "lib/privs.h"
+#include "lib/ptm_lib.h"
+#include "lib/pw.h"
+#include "lib/qobj.h"
+#include "lib/queue.h"
+#include "lib/ringbuf.h"
+#include "lib/routemap.h"
+#include "lib/sbuf.h"
+#include "lib/sha256.h"
+#include "lib/sigevent.h"
+#include "lib/skiplist.h"
+#include "lib/sockopt.h"
+#include "lib/sockunion.h"
+#include "lib/spf_backoff.h"
+#include "lib/srcdest_table.h"
+#include "lib/stream.h"
+#include "lib/table.h"
+#include "lib/termtable.h"
+#include "frrevent.h"
+#include "lib/typesafe.h"
+#include "lib/typerb.h"
+#include "lib/vector.h"
+#include "lib/vlan.h"
+#include "lib/vrf.h"
+#include "lib/vty.h"
+#include "lib/vxlan.h"
+#include "lib/wheel.h"
+/* #include "lib/workqueue.h"		-- macro problem with STAILQ_LAST */
+#include "lib/yang.h"
+#include "lib/yang_translator.h"
+#include "lib/yang_wrappers.h"
+#include "lib/zclient.h"
+
+PREDECL_RBTREE_UNIQ(footree);
+struct foo {
+	int dummy;
+	struct footree_item item;
+};
+static int foocmp(const struct foo *a, const struct foo *b)
+{
+	return memcmp(&a->dummy, &b->dummy, sizeof(a->dummy));
+}
+DECLARE_RBTREE_UNIQ(footree, struct foo, item, foocmp);
+
+int main(int argc, char **argv)
+{
+	return 0;
+}
diff --git a/tests/lib/fuzz_zlog.c b/tests/lib/fuzz_zlog.c
new file mode 100644
index 0000000..d308f8e
--- /dev/null
+++ b/tests/lib/fuzz_zlog.c
@@ -0,0 +1,117 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * zlog fuzzer target.
+ */
+
+#include <zebra.h>
+
+#include "log.h"
+#include "zlog_5424.h"
+#include "command.h"
+
+struct input_opts {
+	uint16_t out1_debug;
+	uint16_t out2_debug;
+	uint16_t out3_warn;
+	uint8_t fmt;
+	uint8_t dst;
+};
+
+static char buffer[65536];
+
+int main(int argc, char **argv)
+{
+	struct input_opts io;
+	int fd;
+	int pair[2] = {-1, -1};
+
+	if (read(0, &io, sizeof(io)) != sizeof(io))
+		return 1;
+	if (io.fmt > ZLOG_FMT_LAST)
+		return 1;
+
+	switch (io.dst) {
+	case 0:
+		fd = 1;
+		break;
+	case 1:
+		socketpair(AF_UNIX, SOCK_STREAM, 0, pair);
+		fd = pair[0];
+		break;
+	case 2:
+		socketpair(AF_UNIX, SOCK_SEQPACKET, 0, pair);
+		fd = pair[0];
+		break;
+	case 3:
+		socketpair(AF_UNIX, SOCK_DGRAM, 0, pair);
+		fd = pair[0];
+		break;
+	default:
+		return 1;
+	}
+
+	pid_t child = -1;
+
+	if (pair[1] != -1) {
+		child = fork();
+
+		if (child == 0) {
+			char buf[4096];
+
+			close(pair[0]);
+
+			while (read(pair[1], buf, sizeof(buf)) > 0)
+				;
+			exit(0);
+		} else if (child == -1) {
+			perror("fork");
+			return 1;
+		}
+		close(pair[1]);
+	}
+
+	for (size_t i = 0; i < sizeof(buffer); i++)
+		buffer[i] = (i | 0x20) & 0x7f;
+
+	zlog_aux_init("FUZZBALL: ", LOG_DEBUG);
+	zlog_tls_buffer_init();
+
+	struct zlog_cfg_5424 cfg[1] = {};
+
+	zlog_5424_init(cfg);
+
+	cfg->facility = LOG_DAEMON;
+	cfg->prio_min = LOG_DEBUG;
+	cfg->kw_version = true;
+	cfg->kw_location = true;
+	cfg->kw_uid = true;
+	cfg->kw_ec = true;
+	cfg->kw_args = true;
+
+	cfg->ts_flags = 9;
+	cfg->fmt = io.fmt;
+	cfg->dst = ZLOG_5424_DST_FD;
+	cfg->fd = fd;
+
+	cmd_hostname_set("TEST");
+	cfg->master = event_master_create("TEST");
+
+	zlog_5424_apply_dst(cfg);
+
+	zlog_debug("test #1 %.*s", (int)io.out1_debug, buffer);
+	zlog_debug("test #2 %.*s", (int)io.out2_debug, buffer);
+	zlog_warn("test #1 %.*s", (int)io.out3_warn, buffer);
+
+	zlog_tls_buffer_flush();
+	zlog_tls_buffer_fini();
+
+	/* AFL++ seems to do some weird stuff with its fuzzing target, make
+	 * sure the fork() child is zapped here rather than creating hordes
+	 * of it.
+	 */
+	close(fd);
+	if (child != -1)
+		kill(child, SIGTERM);
+
+	return 0;
+}
diff --git a/tests/lib/fuzz_zlog_inputs.py b/tests/lib/fuzz_zlog_inputs.py
new file mode 100644
index 0000000..ec3f8ae
--- /dev/null
+++ b/tests/lib/fuzz_zlog_inputs.py
@@ -0,0 +1,28 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# zlog fuzz-tester input generator
+#
+# Copyright (C) 2021  David Lamparter for NetDEF, Inc.
+
+from itertools import chain
+import struct
+
+lengths = set([128])
+# lengths = [[i, i + 1, i + 3, i - 1, i - 3] for i in lengths]
+# lengths = set([i for i in chain(*lengths) if i >= 0])
+
+dsts = [0, 1, 2, 3]
+fmts = [0, 1, 2, 3]
+
+
+def combo():
+    for l0 in lengths:
+        for l1 in lengths:
+            for l2 in lengths:
+                for fmt in fmts:
+                    for dst in dsts:
+                        yield (l0, l1, l2, fmt, dst)
+
+
+for i, tup in enumerate(combo()):
+    with open("input/i%d" % i, "wb") as fd:
+        fd.write(struct.pack("HHHBB", *tup))
diff --git a/tests/lib/northbound/test_oper_data.c b/tests/lib/northbound/test_oper_data.c
new file mode 100644
index 0000000..f82eddd
--- /dev/null
+++ b/tests/lib/northbound/test_oper_data.c
@@ -0,0 +1,403 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2018  NetDEF, Inc.
+ *                     Renato Westphal
+ */
+
+#include <zebra.h>
+
+#include "frrevent.h"
+#include "vty.h"
+#include "command.h"
+#include "memory.h"
+#include "lib_vty.h"
+#include "log.h"
+#include "northbound.h"
+
+static struct event_loop *master;
+
+struct troute {
+	struct prefix_ipv4 prefix;
+	struct in_addr nexthop;
+	char ifname[IFNAMSIZ];
+	uint8_t metric;
+	bool active;
+};
+
+struct tvrf {
+	char name[32];
+	struct list *interfaces;
+	struct list *routes;
+};
+
+static struct list *vrfs;
+
+/*
+ * XPath: /frr-test-module:frr-test-module/vrfs/vrf
+ */
+static const void *
+frr_test_module_vrfs_vrf_get_next(struct nb_cb_get_next_args *args)
+{
+	struct listnode *node;
+
+	if (args->list_entry == NULL)
+		node = listhead(vrfs);
+	else
+		node = listnextnode((struct listnode *)args->list_entry);
+
+	return node;
+}
+
+static int frr_test_module_vrfs_vrf_get_keys(struct nb_cb_get_keys_args *args)
+{
+	const struct tvrf *vrf;
+
+	vrf = listgetdata((struct listnode *)args->list_entry);
+
+	args->keys->num = 1;
+	strlcpy(args->keys->key[0], vrf->name, sizeof(args->keys->key[0]));
+
+	return NB_OK;
+}
+
+static const void *
+frr_test_module_vrfs_vrf_lookup_entry(struct nb_cb_lookup_entry_args *args)
+{
+	struct listnode *node;
+	struct tvrf *vrf;
+	const char *vrfname;
+
+	vrfname = args->keys->key[0];
+
+	for (ALL_LIST_ELEMENTS_RO(vrfs, node, vrf)) {
+		if (strmatch(vrf->name, vrfname))
+			return node;
+	}
+
+	return NULL;
+}
+
+/*
+ * XPath: /frr-test-module:frr-test-module/vrfs/vrf/name
+ */
+static struct yang_data *
+frr_test_module_vrfs_vrf_name_get_elem(struct nb_cb_get_elem_args *args)
+{
+	const struct tvrf *vrf;
+
+	vrf = listgetdata((struct listnode *)args->list_entry);
+	return yang_data_new_string(args->xpath, vrf->name);
+}
+
+/*
+ * XPath: /frr-test-module:frr-test-module/vrfs/vrf/interfaces/interface
+ */
+static struct yang_data *frr_test_module_vrfs_vrf_interfaces_interface_get_elem(
+	struct nb_cb_get_elem_args *args)
+{
+	const char *interface;
+
+	interface = listgetdata((struct listnode *)args->list_entry);
+	return yang_data_new_string(args->xpath, interface);
+}
+
+static const void *frr_test_module_vrfs_vrf_interfaces_interface_get_next(
+	struct nb_cb_get_next_args *args)
+{
+	const struct tvrf *vrf;
+	struct listnode *node;
+
+	vrf = listgetdata((struct listnode *)args->parent_list_entry);
+	if (args->list_entry == NULL)
+		node = listhead(vrf->interfaces);
+	else
+		node = listnextnode((struct listnode *)args->list_entry);
+
+	return node;
+}
+
+/*
+ * XPath: /frr-test-module:frr-test-module/vrfs/vrf/routes/route
+ */
+static const void *
+frr_test_module_vrfs_vrf_routes_route_get_next(struct nb_cb_get_next_args *args)
+{
+	const struct tvrf *vrf;
+	struct listnode *node;
+
+	vrf = listgetdata((struct listnode *)args->parent_list_entry);
+	if (args->list_entry == NULL)
+		node = listhead(vrf->routes);
+	else
+		node = listnextnode((struct listnode *)args->list_entry);
+
+	return node;
+}
+
+/*
+ * XPath: /frr-test-module:frr-test-module/vrfs/vrf/routes/route/prefix
+ */
+static struct yang_data *frr_test_module_vrfs_vrf_routes_route_prefix_get_elem(
+	struct nb_cb_get_elem_args *args)
+{
+	const struct troute *route;
+
+	route = listgetdata((struct listnode *)args->list_entry);
+	return yang_data_new_ipv4p(args->xpath, &route->prefix);
+}
+
+/*
+ * XPath: /frr-test-module:frr-test-module/vrfs/vrf/routes/route/next-hop
+ */
+static struct yang_data *
+frr_test_module_vrfs_vrf_routes_route_next_hop_get_elem(
+	struct nb_cb_get_elem_args *args)
+{
+	const struct troute *route;
+
+	route = listgetdata((struct listnode *)args->list_entry);
+	return yang_data_new_ipv4(args->xpath, &route->nexthop);
+}
+
+/*
+ * XPath: /frr-test-module:frr-test-module/vrfs/vrf/routes/route/interface
+ */
+static struct yang_data *
+frr_test_module_vrfs_vrf_routes_route_interface_get_elem(
+	struct nb_cb_get_elem_args *args)
+{
+	const struct troute *route;
+
+	route = listgetdata((struct listnode *)args->list_entry);
+	return yang_data_new_string(args->xpath, route->ifname);
+}
+
+/*
+ * XPath: /frr-test-module:frr-test-module/vrfs/vrf/routes/route/metric
+ */
+static struct yang_data *frr_test_module_vrfs_vrf_routes_route_metric_get_elem(
+	struct nb_cb_get_elem_args *args)
+{
+	const struct troute *route;
+
+	route = listgetdata((struct listnode *)args->list_entry);
+	return yang_data_new_uint8(args->xpath, route->metric);
+}
+
+/*
+ * XPath: /frr-test-module:frr-test-module/vrfs/vrf/routes/route/active
+ */
+static struct yang_data *frr_test_module_vrfs_vrf_routes_route_active_get_elem(
+	struct nb_cb_get_elem_args *args)
+{
+	const struct troute *route;
+
+	route = listgetdata((struct listnode *)args->list_entry);
+	if (route->active)
+		return yang_data_new(args->xpath, NULL);
+
+	return NULL;
+}
+
+/* clang-format off */
+const struct frr_yang_module_info frr_test_module_info = {
+	.name = "frr-test-module",
+	.nodes = {
+		{
+			.xpath = "/frr-test-module:frr-test-module/vrfs/vrf",
+			.cbs.get_next = frr_test_module_vrfs_vrf_get_next,
+			.cbs.get_keys = frr_test_module_vrfs_vrf_get_keys,
+			.cbs.lookup_entry = frr_test_module_vrfs_vrf_lookup_entry,
+		},
+		{
+			.xpath = "/frr-test-module:frr-test-module/vrfs/vrf/name",
+			.cbs.get_elem = frr_test_module_vrfs_vrf_name_get_elem,
+		},
+		{
+			.xpath = "/frr-test-module:frr-test-module/vrfs/vrf/interfaces/interface",
+			.cbs.get_elem = frr_test_module_vrfs_vrf_interfaces_interface_get_elem,
+			.cbs.get_next = frr_test_module_vrfs_vrf_interfaces_interface_get_next,
+		},
+		{
+			.xpath = "/frr-test-module:frr-test-module/vrfs/vrf/routes/route",
+			.cbs.get_next = frr_test_module_vrfs_vrf_routes_route_get_next,
+		},
+		{
+			.xpath = "/frr-test-module:frr-test-module/vrfs/vrf/routes/route/prefix",
+			.cbs.get_elem = frr_test_module_vrfs_vrf_routes_route_prefix_get_elem,
+		},
+		{
+			.xpath = "/frr-test-module:frr-test-module/vrfs/vrf/routes/route/next-hop",
+			.cbs.get_elem = frr_test_module_vrfs_vrf_routes_route_next_hop_get_elem,
+		},
+		{
+			.xpath = "/frr-test-module:frr-test-module/vrfs/vrf/routes/route/interface",
+			.cbs.get_elem = frr_test_module_vrfs_vrf_routes_route_interface_get_elem,
+		},
+		{
+			.xpath = "/frr-test-module:frr-test-module/vrfs/vrf/routes/route/metric",
+			.cbs.get_elem = frr_test_module_vrfs_vrf_routes_route_metric_get_elem,
+		},
+		{
+			.xpath = "/frr-test-module:frr-test-module/vrfs/vrf/routes/route/active",
+			.cbs.get_elem = frr_test_module_vrfs_vrf_routes_route_active_get_elem,
+		},
+		{
+			.xpath = NULL,
+		},
+	}
+};
+/* clang-format on */
+
+static const struct frr_yang_module_info *const modules[] = {
+	&frr_test_module_info,
+};
+
+static void create_data(unsigned int num_vrfs, unsigned int num_interfaces,
+			unsigned int num_routes)
+{
+	struct prefix_ipv4 base_prefix;
+	struct in_addr base_nexthop;
+
+	(void)str2prefix_ipv4("10.0.0.0/32", &base_prefix);
+	(void)inet_pton(AF_INET, "172.16.0.0", &base_nexthop);
+
+	vrfs = list_new();
+
+	/* Create VRFs. */
+	for (unsigned int i = 0; i < num_vrfs; i++) {
+		struct tvrf *vrf;
+
+		vrf = XCALLOC(MTYPE_TMP, sizeof(*vrf));
+		snprintf(vrf->name, sizeof(vrf->name), "vrf%u", i);
+		vrf->interfaces = list_new();
+		vrf->routes = list_new();
+
+		/* Create interfaces. */
+		for (unsigned int j = 0; j < num_interfaces; j++) {
+			char ifname[32];
+			char *interface;
+
+			snprintf(ifname, sizeof(ifname), "eth%u", j);
+			interface = XSTRDUP(MTYPE_TMP, ifname);
+			listnode_add(vrf->interfaces, interface);
+		}
+
+		/* Create routes. */
+		for (unsigned int j = 0; j < num_routes; j++) {
+			struct troute *route;
+
+			route = XCALLOC(MTYPE_TMP, sizeof(*route));
+
+			memcpy(&route->prefix, &base_prefix,
+			       sizeof(route->prefix));
+			route->prefix.prefix.s_addr =
+				htonl(ntohl(route->prefix.prefix.s_addr) + j);
+
+			memcpy(&route->nexthop, &base_nexthop,
+			       sizeof(route->nexthop));
+			route->nexthop.s_addr =
+				htonl(ntohl(route->nexthop.s_addr) + j);
+
+			snprintf(route->ifname, sizeof(route->ifname), "eth%u",
+				 j);
+			route->metric = j % 256;
+			route->active = (j % 2 == 0);
+			listnode_add(vrf->routes, route);
+		}
+
+		listnode_add(vrfs, vrf);
+	}
+}
+
+static void interface_delete(void *ptr)
+{
+	char *interface = ptr;
+
+	XFREE(MTYPE_TMP, interface);
+}
+
+static void route_delete(void *ptr)
+{
+	struct troute *route = ptr;
+
+	XFREE(MTYPE_TMP, route);
+}
+
+static void vrf_delete(void *ptr)
+{
+	struct tvrf *vrf = ptr;
+
+	vrf->interfaces->del = interface_delete;
+	list_delete(&vrf->interfaces);
+	vrf->routes->del = route_delete;
+	list_delete(&vrf->routes);
+	XFREE(MTYPE_TMP, vrf);
+}
+
+static void delete_data(void)
+{
+	vrfs->del = vrf_delete;
+	list_delete(&vrfs);
+}
+
+static void vty_do_exit(int isexit)
+{
+	printf("\nend.\n");
+
+	delete_data();
+
+	cmd_terminate();
+	vty_terminate();
+	nb_terminate();
+	yang_terminate();
+	event_master_free(master);
+
+	log_memstats(stderr, "test-nb-oper-data");
+	if (!isexit)
+		exit(0);
+}
+
+/* main routine. */
+int main(int argc, char **argv)
+{
+	struct event thread;
+	unsigned int num_vrfs = 2;
+	unsigned int num_interfaces = 4;
+	unsigned int num_routes = 6;
+
+	if (argc > 1)
+		num_vrfs = atoi(argv[1]);
+	if (argc > 2)
+		num_interfaces = atoi(argv[2]);
+	if (argc > 3)
+		num_routes = atoi(argv[3]);
+
+	/* Set umask before anything for security */
+	umask(0027);
+
+	/* master init. */
+	master = event_master_create(NULL);
+
+	zlog_aux_init("NONE: ", ZLOG_DISABLED);
+
+	/* Library inits. */
+	cmd_init(1);
+	cmd_hostname_set("test");
+	vty_init(master, false);
+	lib_cmd_init();
+	nb_init(master, modules, array_size(modules), false);
+
+	/* Create artificial data. */
+	create_data(num_vrfs, num_interfaces, num_routes);
+
+	/* Read input from .in file. */
+	vty_stdio(vty_do_exit);
+
+	/* Fetch next active thread. */
+	while (event_fetch(master, &thread))
+		event_call(&thread);
+
+	/* Not reached. */
+	exit(0);
+}
diff --git a/tests/lib/northbound/test_oper_data.in b/tests/lib/northbound/test_oper_data.in
new file mode 100644
index 0000000..a6c4f87
--- /dev/null
+++ b/tests/lib/northbound/test_oper_data.in
@@ -0,0 +1 @@
+show yang operational-data /frr-test-module:frr-test-module
diff --git a/tests/lib/northbound/test_oper_data.py b/tests/lib/northbound/test_oper_data.py
new file mode 100644
index 0000000..a02bf05
--- /dev/null
+++ b/tests/lib/northbound/test_oper_data.py
@@ -0,0 +1,5 @@
+import frrtest
+
+
+class TestNbOperData(frrtest.TestRefOut):
+    program = "./test_oper_data"
diff --git a/tests/lib/northbound/test_oper_data.refout b/tests/lib/northbound/test_oper_data.refout
new file mode 100644
index 0000000..57ecd2f
--- /dev/null
+++ b/tests/lib/northbound/test_oper_data.refout
@@ -0,0 +1,119 @@
+test# show yang operational-data /frr-test-module:frr-test-module

+{

+  "frr-test-module:frr-test-module": {

+    "vrfs": {

+      "vrf": [

+        {

+          "name": "vrf0",

+          "interfaces": {

+            "interface": [

+              "eth0",

+              "eth1",

+              "eth2",

+              "eth3"

+            ]

+          },

+          "routes": {

+            "route": [

+              {

+                "prefix": "10.0.0.0/32",

+                "next-hop": "172.16.0.0",

+                "interface": "eth0",

+                "metric": 0,

+                "active": [null]

+              },

+              {

+                "prefix": "10.0.0.1/32",

+                "next-hop": "172.16.0.1",

+                "interface": "eth1",

+                "metric": 1

+              },

+              {

+                "prefix": "10.0.0.2/32",

+                "next-hop": "172.16.0.2",

+                "interface": "eth2",

+                "metric": 2,

+                "active": [null]

+              },

+              {

+                "prefix": "10.0.0.3/32",

+                "next-hop": "172.16.0.3",

+                "interface": "eth3",

+                "metric": 3

+              },

+              {

+                "prefix": "10.0.0.4/32",

+                "next-hop": "172.16.0.4",

+                "interface": "eth4",

+                "metric": 4,

+                "active": [null]

+              },

+              {

+                "prefix": "10.0.0.5/32",

+                "next-hop": "172.16.0.5",

+                "interface": "eth5",

+                "metric": 5

+              }

+            ]

+          }

+        },

+        {

+          "name": "vrf1",

+          "interfaces": {

+            "interface": [

+              "eth0",

+              "eth1",

+              "eth2",

+              "eth3"

+            ]

+          },

+          "routes": {

+            "route": [

+              {

+                "prefix": "10.0.0.0/32",

+                "next-hop": "172.16.0.0",

+                "interface": "eth0",

+                "metric": 0,

+                "active": [null]

+              },

+              {

+                "prefix": "10.0.0.1/32",

+                "next-hop": "172.16.0.1",

+                "interface": "eth1",

+                "metric": 1

+              },

+              {

+                "prefix": "10.0.0.2/32",

+                "next-hop": "172.16.0.2",

+                "interface": "eth2",

+                "metric": 2,

+                "active": [null]

+              },

+              {

+                "prefix": "10.0.0.3/32",

+                "next-hop": "172.16.0.3",

+                "interface": "eth3",

+                "metric": 3

+              },

+              {

+                "prefix": "10.0.0.4/32",

+                "next-hop": "172.16.0.4",

+                "interface": "eth4",

+                "metric": 4,

+                "active": [null]

+              },

+              {

+                "prefix": "10.0.0.5/32",

+                "next-hop": "172.16.0.5",

+                "interface": "eth5",

+                "metric": 5

+              }

+            ]

+          }

+        }

+      ]

+    }

+  }

+}

+test# 
+end.
diff --git a/tests/lib/script1.lua b/tests/lib/script1.lua
new file mode 100644
index 0000000..6361c96
--- /dev/null
+++ b/tests/lib/script1.lua
@@ -0,0 +1,54 @@
+
+-- Positive testing
+
+function foo(a, b)
+  a = a + 1
+  b = b + 1
+  return {
+    a = a,
+    b = b,
+  }
+end
+
+function bar(a, b)
+  a = a + 1
+  b = b + 1
+  c = 303
+  return {
+    b = b,
+    c = c,
+  }
+end
+
+function fact(n)
+  -- outer function must return a table
+  -- inner functions can be used to recurse or as helpers
+  function helper(m)
+    if m == 0 then
+      return 1
+    else
+      return m * helper(m - 1)
+    end
+  end
+  return {
+    ans = helper(n)
+  }
+end
+
+-- Negative testing
+
+function bad_return1()
+end
+
+function bad_return2()
+  return 123
+end
+
+function bad_return3()
+  return {}
+end
+
+function bad_return4()
+  error("Something bad!")
+end
+
diff --git a/tests/lib/subdir.am b/tests/lib/subdir.am
new file mode 100644
index 0000000..6c1be50
--- /dev/null
+++ b/tests/lib/subdir.am
@@ -0,0 +1,385 @@
+##############################################################################
+if SCRIPTING
+check_PROGRAMS += tests/lib/test_frrlua
+endif
+tests_lib_test_frrlua_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_frrlua_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_frrlua_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_frrlua_SOURCES = tests/lib/test_frrlua.c
+EXTRA_DIST += tests/lib/test_frrlua.py
+
+if SCRIPTING
+check_PROGRAMS += tests/lib/test_frrscript
+endif
+tests_lib_test_frrscript_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_frrscript_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_frrscript_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_frrscript_SOURCES = tests/lib/test_frrscript.c
+EXTRA_tests_lib_test_frrscript_DEPENDENCIES = copy_script
+EXTRA_DIST += tests/lib/test_frrscript.py tests/lib/script1.lua
+
+# For out-of-tree build, lua script needs to be in the build dir, rather than
+# just available somewhere in the VPATH
+copy_script: tests/lib/script1.lua
+	test -e tests/lib/script1.lua || \
+	$(INSTALL_SCRIPT) $< tests/lib/script1.lua
+
+##############################################################################
+GRPC_TESTS_LDADD = staticd/libstatic.a grpc/libfrrgrpc_pb.la -lgrpc++ -lprotobuf $(ALL_TESTS_LDADD) $(LIBYANG_LIBS) -lm
+
+if GRPC
+check_PROGRAMS += tests/lib/test_grpc
+endif
+tests_lib_test_grpc_CXXFLAGS = $(WERROR) $(TESTS_CXXFLAGS)
+tests_lib_test_grpc_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_grpc_LDADD = $(GRPC_TESTS_LDADD)
+tests_lib_test_grpc_SOURCES = tests/lib/test_grpc.cpp
+
+
+##############################################################################
+if ZEROMQ
+check_PROGRAMS += tests/lib/test_zmq
+endif
+tests_lib_test_zmq_CFLAGS = $(TESTS_CFLAGS) $(ZEROMQ_CFLAGS)
+tests_lib_test_zmq_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_zmq_LDADD = lib/libfrrzmq.la $(ALL_TESTS_LDADD) $(ZEROMQ_LIBS)
+tests_lib_test_zmq_SOURCES = tests/lib/test_zmq.c
+
+
+##############################################################################
+if CARES
+check_PROGRAMS += tests/lib/test_resolver
+endif
+tests_lib_test_resolver_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_resolver_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_resolver_LDADD = $(ALL_TESTS_LDADD) lib/libfrrcares.la
+tests_lib_test_resolver_SOURCES = tests/lib/test_resolver.c tests/lib/cli/common_cli.c
+
+
+##############################################################################
+noinst_HEADERS += \
+	tests/helpers/c/prng.h \
+	tests/helpers/c/tests.h \
+	tests/lib/cli/common_cli.h \
+	# end
+
+
+check_PROGRAMS += tests/lib/cxxcompat
+tests_lib_cxxcompat_CFLAGS = $(TESTS_CFLAGS) $(CXX_COMPAT_CFLAGS) $(WERROR)
+tests_lib_cxxcompat_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_cxxcompat_SOURCES = tests/lib/cxxcompat.c
+tests_lib_cxxcompat_LDADD = $(ALL_TESTS_LDADD)
+
+
+check_PROGRAMS += tests/lib/fuzz_zlog
+tests_lib_fuzz_zlog_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_fuzz_zlog_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_fuzz_zlog_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_fuzz_zlog_SOURCES = tests/lib/fuzz_zlog.c
+EXTRA_DIST += tests/lib/fuzz_zlog_inputs.py
+
+
+check_PROGRAMS += tests/lib/cli/test_cli
+tests_lib_cli_test_cli_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_cli_test_cli_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_cli_test_cli_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_cli_test_cli_SOURCES = tests/lib/cli/test_cli.c tests/lib/cli/common_cli.c
+clippy_scan += tests/lib/cli/test_cli.c
+EXTRA_DIST += \
+	tests/lib/cli/test_cli.in \
+	tests/lib/cli/test_cli.py \
+	tests/lib/cli/test_cli.refout \
+	# end
+
+
+check_PROGRAMS += tests/lib/cli/test_commands
+tests_lib_cli_test_commands_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_cli_test_commands_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_cli_test_commands_LDADD = $(ALL_TESTS_LDADD)
+nodist_tests_lib_cli_test_commands_SOURCES = tests/lib/cli/test_commands_defun.c
+tests_lib_cli_test_commands_SOURCES = tests/lib/cli/test_commands.c tests/helpers/c/prng.c
+tests/lib/cli/test_commands_defun.c: vtysh/vtysh_cmd.c
+	@$(MKDIR_P) tests/lib/cli
+	$(AM_V_GEN)sed \
+		-e 's%"vtysh/vtysh\.h"%"tests/helpers/c/tests.h"%' \
+		-e 's/vtysh_init_cmd/test_init_cmd/' \
+		-e 's/VTYSH_[A-Z][A-Z_0-9]*/0/g' \
+		< vtysh/vtysh_cmd.c \
+		> "$@"
+CLEANFILES += tests/lib/cli/test_commands_defun.c
+EXTRA_DIST += \
+	tests/lib/cli/test_commands.in \
+	tests/lib/cli/test_commands.py \
+	tests/lib/cli/test_commands.refout \
+	# end
+
+
+check_PROGRAMS += tests/lib/northbound/test_oper_data
+tests_lib_northbound_test_oper_data_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_northbound_test_oper_data_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_northbound_test_oper_data_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_northbound_test_oper_data_SOURCES = tests/lib/northbound/test_oper_data.c
+nodist_tests_lib_northbound_test_oper_data_SOURCES = yang/frr-test-module.yang.c
+EXTRA_DIST += \
+	tests/lib/northbound/test_oper_data.in \
+	tests/lib/northbound/test_oper_data.py \
+	tests/lib/northbound/test_oper_data.refout \
+	# end
+
+
+check_PROGRAMS += tests/lib/test_assert
+tests_lib_test_assert_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_assert_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_assert_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_assert_SOURCES = tests/lib/test_assert.c
+EXTRA_DIST += tests/lib/test_assert.py
+
+
+check_PROGRAMS += tests/lib/test_atomlist
+tests_lib_test_atomlist_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_atomlist_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_atomlist_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_atomlist_SOURCES = tests/lib/test_atomlist.c
+EXTRA_DIST += tests/lib/test_atomlist.py
+
+
+check_PROGRAMS += tests/lib/test_buffer
+tests_lib_test_buffer_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_buffer_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_buffer_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_buffer_SOURCES = tests/lib/test_buffer.c
+
+
+check_PROGRAMS += tests/lib/test_checksum
+tests_lib_test_checksum_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_checksum_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_checksum_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_checksum_SOURCES = tests/lib/test_checksum.c tests/helpers/c/prng.c
+
+
+check_PROGRAMS += tests/lib/test_darr
+tests_lib_test_darr_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_darr_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_darr_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_darr_SOURCES = tests/lib/test_darr.c
+
+
+check_PROGRAMS += tests/lib/test_graph
+tests_lib_test_graph_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_graph_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_graph_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_graph_SOURCES = tests/lib/test_graph.c
+EXTRA_DIST += \
+	tests/lib/test_graph.py \
+	tests/lib/test_graph.refout \
+	# end
+
+
+check_PROGRAMS += tests/lib/test_heavy
+tests_lib_test_heavy_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_heavy_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_heavy_LDADD = $(ALL_TESTS_LDADD) -lm
+tests_lib_test_heavy_SOURCES = tests/lib/test_heavy.c tests/helpers/c/main.c
+
+
+check_PROGRAMS += tests/lib/test_heavy_thread
+tests_lib_test_heavy_thread_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_heavy_thread_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_heavy_thread_LDADD = $(ALL_TESTS_LDADD) -lm
+tests_lib_test_heavy_thread_SOURCES = tests/lib/test_heavy_thread.c tests/helpers/c/main.c
+
+
+check_PROGRAMS += tests/lib/test_heavy_wq
+tests_lib_test_heavy_wq_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_heavy_wq_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_heavy_wq_LDADD = $(ALL_TESTS_LDADD) -lm
+tests_lib_test_heavy_wq_SOURCES = tests/lib/test_heavy_wq.c tests/helpers/c/main.c
+
+
+check_PROGRAMS += tests/lib/test_idalloc
+tests_lib_test_idalloc_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_idalloc_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_idalloc_SOURCES = tests/lib/test_idalloc.c
+
+
+check_PROGRAMS += tests/lib/test_memory
+tests_lib_test_memory_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_memory_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_memory_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_memory_SOURCES = tests/lib/test_memory.c
+
+
+check_PROGRAMS += tests/lib/test_nexthop_iter
+tests_lib_test_nexthop_iter_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_nexthop_iter_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_nexthop_iter_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_nexthop_iter_SOURCES = tests/lib/test_nexthop_iter.c tests/helpers/c/prng.c
+EXTRA_DIST += tests/lib/test_nexthop_iter.py
+
+
+check_PROGRAMS += tests/lib/test_nexthop
+tests_lib_test_nexthop_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_nexthop_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_nexthop_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_nexthop_SOURCES = tests/lib/test_nexthop.c
+EXTRA_DIST += tests/lib/test_nexthop.py
+
+
+check_PROGRAMS += tests/lib/test_ntop
+tests_lib_test_ntop_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_ntop_CPPFLAGS = $(CPPFLAGS_BASE) # no assert override
+tests_lib_test_ntop_LDADD = # none
+tests_lib_test_ntop_SOURCES = tests/lib/test_ntop.c tests/helpers/c/prng.c
+EXTRA_DIST += tests/lib/test_ntop.py
+
+
+check_PROGRAMS += tests/lib/test_plist
+tests_lib_test_plist_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_plist_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_plist_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_plist_SOURCES = tests/lib/test_plist.c tests/lib/cli/common_cli.c
+
+
+check_PROGRAMS += tests/lib/test_prefix2str
+tests_lib_test_prefix2str_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_prefix2str_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_prefix2str_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_prefix2str_SOURCES = tests/lib/test_prefix2str.c tests/helpers/c/prng.c
+EXTRA_DIST += tests/lib/test_prefix2str.py
+
+
+check_PROGRAMS += tests/lib/test_printfrr
+tests_lib_test_printfrr_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_printfrr_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_printfrr_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_printfrr_SOURCES = tests/lib/test_printfrr.c
+EXTRA_DIST += tests/lib/test_printfrr.py
+
+
+check_PROGRAMS += tests/lib/test_privs
+tests_lib_test_privs_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_privs_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_privs_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_privs_SOURCES = tests/lib/test_privs.c
+
+
+check_PROGRAMS += tests/lib/test_ringbuf
+tests_lib_test_ringbuf_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_ringbuf_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_ringbuf_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_ringbuf_SOURCES = tests/lib/test_ringbuf.c
+EXTRA_DIST += tests/lib/test_ringbuf.py
+
+
+check_PROGRAMS += tests/lib/test_segv
+tests_lib_test_segv_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_segv_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_segv_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_segv_SOURCES = tests/lib/test_segv.c
+
+
+check_PROGRAMS += tests/lib/test_seqlock
+tests_lib_test_seqlock_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_seqlock_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_seqlock_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_seqlock_SOURCES = tests/lib/test_seqlock.c
+
+
+check_PROGRAMS += tests/lib/test_sig
+tests_lib_test_sig_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_sig_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_sig_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_sig_SOURCES = tests/lib/test_sig.c
+
+
+check_PROGRAMS += tests/lib/test_skiplist
+tests_lib_test_skiplist_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_skiplist_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_skiplist_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_skiplist_SOURCES = tests/lib/test_skiplist.c
+
+
+check_PROGRAMS += tests/lib/test_srcdest_table
+tests_lib_test_srcdest_table_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_srcdest_table_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_srcdest_table_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_srcdest_table_SOURCES = tests/lib/test_srcdest_table.c tests/helpers/c/prng.c
+EXTRA_DIST += tests/lib/test_srcdest_table.py
+
+
+check_PROGRAMS += tests/lib/test_stream
+tests_lib_test_stream_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_stream_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_stream_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_stream_SOURCES = tests/lib/test_stream.c
+EXTRA_DIST += \
+	tests/lib/test_stream.py \
+	tests/lib/test_stream.refout \
+	# end
+
+
+check_PROGRAMS += tests/lib/test_table
+tests_lib_test_table_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_table_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_table_LDADD = $(ALL_TESTS_LDADD) -lm
+tests_lib_test_table_SOURCES = tests/lib/test_table.c
+EXTRA_DIST += tests/lib/test_table.py
+
+
+check_PROGRAMS += tests/lib/test_timer_correctness
+tests_lib_test_timer_correctness_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_timer_correctness_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_timer_correctness_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_timer_correctness_SOURCES = tests/lib/test_timer_correctness.c tests/helpers/c/prng.c
+EXTRA_DIST += tests/lib/test_timer_correctness.py
+
+
+check_PROGRAMS += tests/lib/test_timer_performance
+tests_lib_test_timer_performance_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_timer_performance_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_timer_performance_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_timer_performance_SOURCES = tests/lib/test_timer_performance.c tests/helpers/c/prng.c
+
+
+check_PROGRAMS += tests/lib/test_ttable
+tests_lib_test_ttable_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_ttable_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_ttable_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_ttable_SOURCES = tests/lib/test_ttable.c
+EXTRA_DIST += \
+	tests/lib/test_ttable.py \
+	tests/lib/test_ttable.refout \
+	# end
+
+
+check_PROGRAMS += tests/lib/test_typelist
+tests_lib_test_typelist_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_typelist_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_typelist_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_typelist_SOURCES = tests/lib/test_typelist.c tests/helpers/c/prng.c
+noinst_HEADERS += tests/lib/test_typelist.h
+EXTRA_DIST += tests/lib/test_typelist.py
+
+
+check_PROGRAMS += tests/lib/test_versioncmp
+tests_lib_test_versioncmp_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_versioncmp_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_versioncmp_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_versioncmp_SOURCES = tests/lib/test_versioncmp.c
+EXTRA_DIST += tests/lib/test_versioncmp.py
+
+
+check_PROGRAMS += tests/lib/test_xref
+tests_lib_test_xref_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_xref_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_xref_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_xref_SOURCES = tests/lib/test_xref.c
+EXTRA_DIST += tests/lib/test_xref.py
+
+
+check_PROGRAMS += tests/lib/test_zlog
+tests_lib_test_zlog_CFLAGS = $(TESTS_CFLAGS)
+tests_lib_test_zlog_CPPFLAGS = $(TESTS_CPPFLAGS)
+tests_lib_test_zlog_LDADD = $(ALL_TESTS_LDADD)
+tests_lib_test_zlog_SOURCES = tests/lib/test_zlog.c
+EXTRA_DIST += tests/lib/test_zlog.py
diff --git a/tests/lib/test_assert.c b/tests/lib/test_assert.c
new file mode 100644
index 0000000..4440075
--- /dev/null
+++ b/tests/lib/test_assert.c
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Quick test for assert()
+ * Copyright (C) 2021  David Lamparter for NetDEF, Inc.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+/* make sure this works with assert.h & nothing else.  also check the include
+ * shadowing, we don't want to pick up system assert.h
+ */
+#include <assert.h>
+
+__attribute__((noinline))
+static void func_for_bt(int number)
+{
+	assert(number > 2);
+	assertf(number > 3, "(A) the number was %d", number);
+}
+
+#include <zebra.h>
+#include "lib/zlog.h"
+#include "frrevent.h"
+#include "lib/sigevent.h"
+
+int main(int argc, char **argv)
+{
+	int number = 10;
+	struct event_loop *master;
+
+	zlog_aux_init("NONE: ", LOG_DEBUG);
+
+	if (argc > 1)
+		number = atoi(argv[1]);
+
+	assert(number > 0);
+	assertf(number > 1, "(B) the number was %d", number);
+
+	/* set up SIGABRT handler */
+	master = event_master_create("test");
+	signal_init(master, 0, NULL);
+
+	func_for_bt(number);
+	assert(number > 4);
+	assertf(number > 5, "(C) the number was %d", number);
+
+	assertf(number > 10, "(D) the number was %d", number);
+	return 0;
+}
diff --git a/tests/lib/test_assert.py b/tests/lib/test_assert.py
new file mode 100644
index 0000000..67c88e6
--- /dev/null
+++ b/tests/lib/test_assert.py
@@ -0,0 +1,56 @@
+import frrtest
+import os
+import re
+import subprocess
+import inspect
+
+basedir = os.path.dirname(__file__)
+program = os.path.join(basedir, "test_assert")
+
+
+def check(number, rex=None):
+    proc = subprocess.Popen(
+        [frrtest.binpath(program), str(number)],
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+    )
+    out, err = proc.communicate()
+    exitcode = proc.wait()
+
+    if rex is None:
+        assert exitcode == 0
+    else:
+        assert exitcode != 0
+
+        text = out.decode("US-ASCII") + err.decode("US-ASCII")
+        rex = re.compile(rex, re.M | re.S)
+        m = rex.search(text)
+        assert m is not None, "non-matching output: %s" % text
+
+
+def test_assert_0():
+    check(0, r"test_assert\.c:\d+.*number > 0")
+
+
+def test_assert_1():
+    check(1, r"test_assert\.c:\d+.*number > 1.*\(B\) the number was 1")
+
+
+def test_assert_2():
+    check(2, r"test_assert\.c:\d+.*number > 2")
+
+
+def test_assert_3():
+    check(3, r"test_assert\.c:\d+.*number > 3.*\(A\) the number was 3")
+
+
+def test_assert_4():
+    check(4, r"test_assert\.c:\d+.*number > 4")
+
+
+def test_assert_10():
+    check(10, r"test_assert\.c:\d+.*number > 10.*\(D\) the number was 10")
+
+
+def test_assert_11():
+    check(11)
diff --git a/tests/lib/test_atomlist.c b/tests/lib/test_atomlist.c
new file mode 100644
index 0000000..b50216c
--- /dev/null
+++ b/tests/lib/test_atomlist.c
@@ -0,0 +1,394 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Copyright (c) 2016-2018  David Lamparter, for NetDEF, Inc.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <string.h>
+#include <unistd.h>
+#include <assert.h>
+#include <pthread.h>
+
+#include "atomlist.h"
+#include "seqlock.h"
+#include "monotime.h"
+#include "printfrr.h"
+
+/*
+ * maybe test:
+ * - alist_del_hint
+ * - alist_next_safe
+ * - asort_del_hint
+ * - asort_next_safe
+ */
+
+static struct seqlock sqlo;
+
+PREDECL_ATOMLIST(alist);
+PREDECL_ATOMSORT_UNIQ(asort);
+struct item {
+	uint64_t val1;
+	struct alist_item chain;
+	struct asort_item sortc;
+	uint64_t val2;
+};
+DECLARE_ATOMLIST(alist, struct item, chain);
+
+static int icmp(const struct item *a, const struct item *b);
+DECLARE_ATOMSORT_UNIQ(asort, struct item, sortc, icmp);
+
+static int icmp(const struct item *a, const struct item *b)
+{
+	if (a->val1 > b->val1)
+		return 1;
+	if (a->val1 < b->val1)
+		return -1;
+	return 0;
+}
+
+#define NITEM 10000
+struct item itm[NITEM];
+
+static struct alist_head ahead;
+static struct asort_head shead;
+
+#define NTHREADS 4
+static struct testthread {
+	pthread_t pt;
+	struct seqlock sqlo;
+	size_t counter, nullops;
+} thr[NTHREADS];
+
+struct testrun {
+	struct testrun *next;
+	int lineno;
+	const char *desc;
+	ssize_t prefill;
+	bool sorted;
+	void (*func)(unsigned int offset);
+};
+struct testrun *runs = NULL;
+
+#define NOCLEAR -1
+
+#define deftestrun(name, _desc, _prefill, _sorted) \
+static void trfunc_##name(unsigned int offset); \
+struct testrun tr_##name = { \
+	.desc = _desc, \
+	.lineno = __LINE__, \
+	.prefill = _prefill, \
+	.func = &trfunc_##name, \
+	.sorted = _sorted }; \
+static void __attribute__((constructor)) trsetup_##name(void) \
+{ \
+	struct testrun **inspos = &runs; \
+	while (*inspos && (*inspos)->lineno < tr_##name.lineno) \
+		inspos = &(*inspos)->next; \
+	tr_##name.next = *inspos; \
+	*inspos = &tr_##name; \
+} \
+static void trfunc_##name(unsigned int offset) \
+{ \
+	size_t i = 0, n = 0;
+
+#define endtestrun \
+	thr[offset].counter = i; \
+	thr[offset].nullops = n; \
+}
+
+deftestrun(add, "add vs. add", 0, false)
+	for (; i < NITEM / NTHREADS; i++)
+		alist_add_head(&ahead, &itm[i * NTHREADS + offset]);
+endtestrun
+
+deftestrun(del, "del vs. del", NOCLEAR, false)
+	for (; i < NITEM / NTHREADS / 10; i++)
+		alist_del(&ahead, &itm[i * NTHREADS + offset]);
+endtestrun
+
+deftestrun(addtail, "add_tail vs. add_tail", 0, false)
+	for (; i < NITEM / NTHREADS; i++)
+		alist_add_tail(&ahead, &itm[i * NTHREADS + offset]);
+endtestrun
+
+deftestrun(pop, "pop vs. pop", NOCLEAR, false)
+	for (; i < NITEM / NTHREADS; )
+		if (alist_pop(&ahead))
+			i++;
+		else
+			n++;
+endtestrun
+
+deftestrun(headN_vs_pop1, "add_head(N) vs. pop(1)", 1, false);
+	if (offset == 0) {
+		struct item *dr = NULL;
+
+		for (i = n = 0; i < NITEM; ) {
+			dr = alist_pop(&ahead);
+			if (dr)
+				i++;
+			else
+				n++;
+		}
+	} else {
+		for (i = offset; i < NITEM; i += NTHREADS)
+			alist_add_head(&ahead, &itm[i]);
+		i = 0;
+	}
+endtestrun
+
+deftestrun(head1_vs_popN, "add_head(1) vs. pop(N)", 0, false);
+	if (offset < NTHREADS - 1) {
+		struct item *dr = NULL;
+
+		for (i = n = 0; i < NITEM / NTHREADS; ) {
+			dr = alist_pop(&ahead);
+			if (dr)
+				i++;
+			else
+				n++;
+		}
+	} else {
+		for (i = 0; i < NITEM; i++)
+			alist_add_head(&ahead, &itm[i]);
+		i = 0;
+	}
+endtestrun
+
+deftestrun(headN_vs_popN, "add_head(N) vs. pop(N)", NTHREADS / 2, false)
+	if (offset < NTHREADS / 2) {
+		struct item *dr = NULL;
+
+		for (i = n = 0; i < NITEM * 2 / NTHREADS; ) {
+			dr = alist_pop(&ahead);
+			if (dr)
+				i++;
+			else
+				n++;
+		}
+	} else {
+		for (i = offset; i < NITEM; i += NTHREADS)
+			alist_add_head(&ahead, &itm[i]);
+		i = 0;
+	}
+endtestrun
+
+deftestrun(tailN_vs_pop1, "add_tail(N) vs. pop(1)", 1, false)
+	if (offset == 0) {
+		struct item *dr = NULL;
+
+		for (i = n = 0; i < NITEM - (NITEM / NTHREADS); ) {
+			dr = alist_pop(&ahead);
+			if (dr)
+				i++;
+			else
+				n++;
+		}
+	} else {
+		for (i = offset; i < NITEM; i += NTHREADS)
+			alist_add_tail(&ahead, &itm[i]);
+		i = 0;
+	}
+endtestrun
+
+deftestrun(tail1_vs_popN, "add_tail(1) vs. pop(N)", 0, false)
+	if (offset < NTHREADS - 1) {
+		struct item *dr = NULL;
+
+		for (i = n = 0; i < NITEM / NTHREADS; ) {
+			dr = alist_pop(&ahead);
+			if (dr)
+				i++;
+			else
+				n++;
+		}
+	} else {
+		for (i = 0; i < NITEM; i++)
+			alist_add_tail(&ahead, &itm[i]);
+		i = 0;
+	}
+endtestrun
+
+deftestrun(sort_add, "add_sort vs. add_sort", 0, true)
+	for (; i < NITEM / NTHREADS / 10; i++)
+		asort_add(&shead, &itm[i * NTHREADS + offset]);
+endtestrun
+
+deftestrun(sort_del, "del_sort vs. del_sort", NOCLEAR, true)
+	for (; i < NITEM / NTHREADS / 10; i++)
+		asort_del(&shead, &itm[i * NTHREADS + offset]);
+endtestrun
+
+deftestrun(sort_add_del, "add_sort vs. del_sort", NTHREADS / 2, true)
+	if (offset < NTHREADS / 2) {
+		for (; i < NITEM / NTHREADS / 10; i++)
+			asort_del(&shead, &itm[i * NTHREADS + offset]);
+	} else {
+		for (; i < NITEM / NTHREADS / 10; i++)
+			asort_add(&shead, &itm[i * NTHREADS + offset]);
+	}
+endtestrun
+
+static void *thr1func(void *arg)
+{
+	struct testthread *p = arg;
+	unsigned int offset = (unsigned int)(p - &thr[0]);
+	seqlock_val_t sv;
+	struct testrun *tr;
+
+	for (tr = runs; tr; tr = tr->next) {
+		sv = seqlock_bump(&p->sqlo) - SEQLOCK_INCR;
+		seqlock_wait(&sqlo, sv);
+
+		tr->func(offset);
+	}
+	seqlock_bump(&p->sqlo);
+
+	return NULL;
+}
+
+static void clear_list(size_t prefill)
+{
+	size_t i;
+
+	memset(&ahead, 0, sizeof(ahead));
+	memset(&shead, 0, sizeof(shead));
+	memset(itm, 0, sizeof(itm));
+	for (i = 0; i < NITEM; i++) {
+		itm[i].val1 = itm[i].val2 = i;
+		if ((i % NTHREADS) < prefill) {
+			alist_add_tail(&ahead, &itm[i]);
+			asort_add(&shead, &itm[i]);
+		}
+	}
+}
+
+static void run_tr(struct testrun *tr)
+{
+	const char *desc = tr->desc;
+	struct timeval tv;
+	int64_t delta;
+	seqlock_val_t sv;
+	size_t c = 0, s = 0, n = 0;
+	struct item *item, *prev, dummy;
+
+	printfrr("[%02u] %35s %s\n", seqlock_cur(&sqlo) >> 2, "", desc);
+	fflush(stdout);
+
+	if (tr->prefill != NOCLEAR)
+		clear_list(tr->prefill);
+
+	monotime(&tv);
+	sv = seqlock_bump(&sqlo) - SEQLOCK_INCR;
+	for (size_t i = 0; i < NTHREADS; i++) {
+		seqlock_wait(&thr[i].sqlo, seqlock_cur(&sqlo));
+		s += thr[i].counter;
+		n += thr[i].nullops;
+		thr[i].counter = 0;
+		thr[i].nullops = 0;
+	}
+
+	delta = monotime_since(&tv, NULL);
+	if (tr->sorted) {
+		uint64_t prevval = 0;
+
+		frr_each(asort, &shead, item) {
+			assert(item->val1 >= prevval);
+			prevval = item->val1;
+			c++;
+		}
+		assert(c == asort_count(&shead));
+	} else {
+		prev = &dummy;
+		frr_each(alist, &ahead, item) {
+			assert(item != prev);
+			prev = item;
+			c++;
+			assert(c <= NITEM);
+		}
+		assert(c == alist_count(&ahead));
+	}
+	printfrr("\033[1A[%02u] %9"PRId64"us c=%5zu s=%5zu n=%5zu %s\n",
+		sv >> 2, delta, c, s, n, desc);
+}
+
+#ifdef BASIC_TESTS
+static void dump(const char *lbl)
+{
+	struct item *item, *safe;
+	size_t ctr = 0;
+
+	printfrr("dumping %s:\n", lbl);
+	frr_each_safe(alist, &ahead, item) {
+		printfrr("%s %3zu %p %3"PRIu64" %3"PRIu64"\n", lbl, ctr++,
+				(void *)item, item->val1, item->val2);
+	}
+}
+
+static void basic_tests(void)
+{
+	size_t i;
+
+	memset(&ahead, 0, sizeof(ahead));
+	memset(itm, 0, sizeof(itm));
+	for (i = 0; i < NITEM; i++)
+		itm[i].val1 = itm[i].val2 = i;
+
+	assert(alist_first(&ahead) == NULL);
+	dump("");
+	alist_add_head(&ahead, &itm[0]);
+	dump("");
+	alist_add_head(&ahead, &itm[1]);
+	dump("");
+	alist_add_tail(&ahead, &itm[2]);
+	dump("");
+	alist_add_tail(&ahead, &itm[3]);
+	dump("");
+	alist_del(&ahead, &itm[1]);
+	dump("");
+	printfrr("POP: %p\n", alist_pop(&ahead));
+	dump("");
+	printfrr("POP: %p\n", alist_pop(&ahead));
+	printfrr("POP: %p\n", alist_pop(&ahead));
+	printfrr("POP: %p\n", alist_pop(&ahead));
+	printfrr("POP: %p\n", alist_pop(&ahead));
+	dump("");
+}
+#else
+#define basic_tests() do { } while (0)
+#endif
+
+int main(int argc, char **argv)
+{
+	size_t i;
+
+	basic_tests();
+
+	seqlock_init(&sqlo);
+	seqlock_acquire_val(&sqlo, SEQLOCK_STARTVAL);
+
+	for (i = 0; i < NTHREADS; i++) {
+		seqlock_init(&thr[i].sqlo);
+		seqlock_acquire(&thr[i].sqlo, &sqlo);
+		thr[i].counter = 0;
+		thr[i].nullops = 0;
+
+		pthread_create(&thr[i].pt, NULL, thr1func, &thr[i]);
+	}
+
+	struct testrun *tr;
+
+	for (tr = runs; tr; tr = tr->next)
+		run_tr(tr);
+
+	for (i = 0; i < NTHREADS; i++)
+		pthread_join(thr[i].pt, NULL);
+
+	return 0;
+}
diff --git a/tests/lib/test_atomlist.py b/tests/lib/test_atomlist.py
new file mode 100644
index 0000000..719a2e7
--- /dev/null
+++ b/tests/lib/test_atomlist.py
@@ -0,0 +1,8 @@
+import frrtest
+
+
+class TestAtomlist(frrtest.TestMultiOut):
+    program = "./test_atomlist"
+
+
+TestAtomlist.exit_cleanly()
diff --git a/tests/lib/test_buffer.c b/tests/lib/test_buffer.c
new file mode 100644
index 0000000..bfb4600
--- /dev/null
+++ b/tests/lib/test_buffer.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2004 Paul Jakma
+ */
+
+#include <zebra.h>
+#include <memory.h>
+#include <lib_vty.h>
+#include <buffer.h>
+
+struct event_loop *master;
+
+int main(int argc, char **argv)
+{
+	struct buffer *b1, *b2;
+	int n;
+	char junk[3];
+	char c = 'a';
+
+	lib_cmd_init();
+
+	if ((argc != 2) || (sscanf(argv[1], "%d%1s", &n, junk) != 1)) {
+		fprintf(stderr, "Usage: %s <number of chars to simulate>\n",
+			*argv);
+		return 1;
+	}
+
+	b1 = buffer_new(0);
+	b2 = buffer_new(1024);
+
+	while (n-- > 0) {
+		buffer_put(b1, &c, 1);
+		buffer_put(b2, &c, 1);
+		if (c++ == 'z')
+			c = 'a';
+		buffer_reset(b1);
+		buffer_reset(b2);
+	}
+	buffer_free(b1);
+	buffer_free(b2);
+	return 0;
+}
diff --git a/tests/lib/test_checksum.c b/tests/lib/test_checksum.c
new file mode 100644
index 0000000..329ae60
--- /dev/null
+++ b/tests/lib/test_checksum.c
@@ -0,0 +1,572 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2008 Sun Microsystems, Inc.
+ */
+
+#include <zebra.h>
+#include <stdlib.h>
+#include <time.h>
+
+#include "checksum.h"
+#include "network.h"
+#include "prng.h"
+
+struct event_loop *master;
+
+struct acc_vals {
+	int c0;
+	int c1;
+};
+
+struct csum_vals {
+	struct acc_vals a;
+	int x;
+	int y;
+};
+
+static struct csum_vals ospfd_vals, isisd_vals;
+
+typedef size_t testsz_t;
+typedef uint16_t testoff_t;
+
+/* Fletcher Checksum -- Refer to RFC1008. */
+#define MODX                 4102U
+
+/* The final reduction phase.
+ * This one should be the original ospfd version
+ */
+static uint16_t reduce_ospfd(struct csum_vals *vals, testsz_t len,
+			     testoff_t off)
+{
+#define x vals->x
+#define y vals->y
+#define c0 vals->a.c0
+#define c1 vals->a.c1
+
+	x = ((len - off - 1) * c0 - c1) % 255;
+
+	if (x <= 0)
+		x += 255;
+	y = 510 - c0 - x;
+	if (y > 255)
+		y -= 255;
+
+	/* take care endian issue. */
+	return htons((x << 8) + y);
+#undef x
+#undef y
+#undef c0
+#undef c1
+}
+
+/* slightly different concatenation */
+static uint16_t reduce_ospfd1(struct csum_vals *vals, testsz_t len,
+			      testoff_t off)
+{
+#define x vals->x
+#define y vals->y
+#define c0 vals->a.c0
+#define c1 vals->a.c1
+
+	x = ((len - off - 1) * c0 - c1) % 255;
+	if (x <= 0)
+		x += 255;
+	y = 510 - c0 - x;
+	if (y > 255)
+		y -= 255;
+
+	/* take care endian issue. */
+	return htons((x << 8) | (y & 0xff));
+#undef x
+#undef y
+#undef c0
+#undef c1
+}
+
+/* original isisd version */
+static uint16_t reduce_isisd(struct csum_vals *vals, testsz_t len,
+			     testoff_t off)
+{
+#define x vals->x
+#define y vals->y
+#define c0 vals->a.c0
+#define c1 vals->a.c1
+	uint32_t mul;
+
+	mul = (len - off) * (c0);
+	x = mul - c0 - c1;
+	y = c1 - mul - 1;
+
+	if (y > 0)
+		y++;
+	if (x < 0)
+		x--;
+
+	x %= 255;
+	y %= 255;
+
+	if (x == 0)
+		x = 255;
+	if (y == 0)
+		y = 1;
+
+	return htons((x << 8) | (y & 0xff));
+
+#undef x
+#undef y
+#undef c0
+#undef c1
+}
+
+/* Is the -1 in y wrong perhaps? */
+static uint16_t reduce_isisd_yfix(struct csum_vals *vals, testsz_t len,
+				  testoff_t off)
+{
+#define x vals->x
+#define y vals->y
+#define c0 vals->a.c0
+#define c1 vals->a.c1
+	uint32_t mul;
+
+	mul = (len - off) * (c0);
+	x = mul - c0 - c1;
+	y = c1 - mul;
+
+	if (y > 0)
+		y++;
+	if (x < 0)
+		x--;
+
+	x %= 255;
+	y %= 255;
+
+	if (x == 0)
+		x = 255;
+	if (y == 0)
+		y = 1;
+
+	return htons((x << 8) | (y & 0xff));
+
+#undef x
+#undef y
+#undef c0
+#undef c1
+}
+
+/* Move the mods yp */
+static uint16_t reduce_isisd_mod(struct csum_vals *vals, testsz_t len,
+				 testoff_t off)
+{
+#define x vals->x
+#define y vals->y
+#define c0 vals->a.c0
+#define c1 vals->a.c1
+	uint32_t mul;
+
+	mul = (len - off) * (c0);
+	x = mul - c1 - c0;
+	y = c1 - mul - 1;
+
+	x %= 255;
+	y %= 255;
+
+	if (y > 0)
+		y++;
+	if (x < 0)
+		x--;
+
+	if (x == 0)
+		x = 255;
+	if (y == 0)
+		y = 1;
+
+	return htons((x << 8) | (y & 0xff));
+
+#undef x
+#undef y
+#undef c0
+#undef c1
+}
+
+/* Move the mods up + fix y */
+static uint16_t reduce_isisd_mody(struct csum_vals *vals, testsz_t len,
+				  testoff_t off)
+{
+#define x vals->x
+#define y vals->y
+#define c0 vals->a.c0
+#define c1 vals->a.c1
+	uint32_t mul;
+
+	mul = (len - off) * (c0);
+	x = mul - c0 - c1;
+	y = c1 - mul;
+
+	x %= 255;
+	y %= 255;
+
+	if (y > 0)
+		y++;
+	if (x < 0)
+		x--;
+
+	if (x == 0)
+		x = 255;
+	if (y == 0)
+		y = 1;
+
+	return htons((x << 8) | (y & 0xff));
+
+#undef x
+#undef y
+#undef c0
+#undef c1
+}
+
+struct reductions_t {
+	const char *name;
+	uint16_t (*f)(struct csum_vals *, testsz_t, testoff_t);
+} reducts[] = {
+	{.name = "ospfd", .f = reduce_ospfd},
+	{.name = "ospfd-1", .f = reduce_ospfd1},
+	{.name = "isisd", .f = reduce_isisd},
+	{.name = "isisd-yfix", .f = reduce_isisd_yfix},
+	{.name = "isisd-mod", .f = reduce_isisd_mod},
+	{.name = "isisd-mody", .f = reduce_isisd_mody},
+	{NULL, NULL},
+};
+
+/* The original ospfd checksum */
+static uint16_t ospfd_checksum(uint8_t *buffer, testsz_t len, testoff_t off)
+{
+	uint8_t *sp, *ep, *p, *q;
+	int c0 = 0, c1 = 0;
+	int x, y;
+	uint16_t checksum, *csum;
+
+	csum = (uint16_t *)(buffer + off);
+	*(csum) = 0;
+
+	sp = buffer;
+
+	for (ep = sp + len; sp < ep; sp = q) {
+		q = sp + MODX;
+		if (q > ep)
+			q = ep;
+		for (p = sp; p < q; p++) {
+			c0 += *p;
+			c1 += c0;
+		}
+		c0 %= 255;
+		c1 %= 255;
+	}
+
+	ospfd_vals.a.c0 = c0;
+	ospfd_vals.a.c1 = c1;
+
+	// printf ("%s: len %u, off %u, c0 %d, c1 %d\n",
+	//        __func__, len, off, c0, c1);
+
+	x = ((int)(len - off - 1) * (int)c0 - (int)c1) % 255;
+
+	if (x <= 0)
+		x += 255;
+	y = 510 - c0 - x;
+	if (y > 255)
+		y -= 255;
+
+	ospfd_vals.x = x;
+	ospfd_vals.y = y;
+
+	buffer[off] = x;
+	buffer[off + 1] = y;
+
+	/* take care endian issue. */
+	checksum = htons((x << 8) | (y & 0xff));
+
+	return (checksum);
+}
+
+/* the original, broken isisd checksum */
+static uint16_t iso_csum_create(uint8_t *buffer, testsz_t len, testoff_t off)
+{
+
+	uint8_t *p;
+	int x;
+	int y;
+	uint32_t mul;
+	uint32_t c0;
+	uint32_t c1;
+	uint16_t checksum, *csum;
+	int i, init_len, partial_len;
+
+	checksum = 0;
+
+	csum = (uint16_t *)(buffer + off);
+	*(csum) = checksum;
+
+	p = buffer;
+	c0 = 0;
+	c1 = 0;
+	init_len = len;
+
+	while (len != 0) {
+		partial_len = MIN(len, MODX);
+
+		for (i = 0; i < partial_len; i++) {
+			c0 = c0 + *(p++);
+			c1 += c0;
+		}
+
+		c0 = c0 % 255;
+		c1 = c1 % 255;
+
+		len -= partial_len;
+	}
+
+	isisd_vals.a.c0 = c0;
+	isisd_vals.a.c1 = c1;
+
+	mul = (init_len - off) * c0;
+
+	x = mul - c1 - c0;
+	y = c1 - mul - 1;
+
+	if (y > 0)
+		y++;
+	if (x < 0)
+		x--;
+
+	x %= 255;
+	y %= 255;
+
+	if (x == 0)
+		x = 255;
+	if (y == 0)
+		y = 1;
+
+	isisd_vals.x = x;
+	isisd_vals.y = y;
+
+	checksum = htons((x << 8) | (y & 0xFF));
+
+	*(csum) = checksum;
+
+	/* return the checksum for user usage */
+	return checksum;
+}
+
+static int verify(uint8_t *buffer, testsz_t len)
+{
+	uint8_t *p;
+	uint32_t c0;
+	uint32_t c1;
+	int i, partial_len;
+
+	p = buffer;
+
+	c0 = 0;
+	c1 = 0;
+
+	while (len) {
+		partial_len = MIN(len, 5803U);
+
+		for (i = 0; i < partial_len; i++) {
+			c0 = c0 + *(p++);
+			c1 += c0;
+		}
+		c0 = c0 % 255;
+		c1 = c1 % 255;
+
+		len -= partial_len;
+	}
+
+	if (c0 == 0 && c1 == 0)
+		return 0;
+
+	return 1;
+}
+
+static int /* return checksum in low-order 16 bits */
+	in_cksum_optimized(void *parg, int nbytes)
+{
+	unsigned short *ptr = parg;
+	register long sum;       /* assumes long == 32 bits */
+	register unsigned short answer; /* assumes unsigned short == 16 bits */
+	register int count;
+	/*
+	 * Our algorithm is simple, using a 32-bit accumulator (sum),
+	 * we add sequential 16-bit words to it, and at the end, fold back
+	 * all the carry bits from the top 16 bits into the lower 16 bits.
+	 */
+
+	sum = 0;
+	count = nbytes >> 1; /* div by 2 */
+	for (ptr--; count; --count)
+		sum += *++ptr;
+
+	if (nbytes & 1)			   /* Odd */
+		sum += *(uint8_t *)(++ptr); /* one byte only */
+
+	/*
+	 * Add back carry outs from top 16 bits to low 16 bits.
+	 */
+
+	sum = (sum >> 16) + (sum & 0xffff); /* add high-16 to low-16 */
+	sum += (sum >> 16);		    /* add carry */
+	answer = ~sum; /* ones-complement, then truncate to 16 bits */
+	return (answer);
+}
+
+
+static int /* return checksum in low-order 16 bits */
+	in_cksum_rfc(void *parg, int count)
+/* from RFC 1071 */
+{
+	unsigned short *addr = parg;
+	/* Compute Internet Checksum for "count" bytes
+	 *         beginning at location "addr".
+	 */
+	register long sum = 0;
+
+	while (count > 1) {
+		/*  This is the inner loop */
+		sum += *addr++;
+		count -= 2;
+	}
+	/*  Add left-over byte, if any */
+	if (count > 0) {
+		sum += *(uint8_t *)addr;
+	}
+
+	/*  Fold 32-bit sum to 16 bits */
+	while (sum >> 16)
+		sum = (sum & 0xffff) + (sum >> 16);
+	return ~sum;
+}
+
+
+int main(int argc, char **argv)
+{
+/* 60017 65629 702179 */
+#define MAXDATALEN 60017
+#define BUFSIZE MAXDATALEN + sizeof(uint16_t)
+	uint8_t buffer[BUFSIZE];
+	int exercise = 0;
+#define EXERCISESTEP 257
+	struct prng *prng = prng_new(0);
+
+	while (1) {
+		uint16_t ospfd, isisd, lib, in_csum, in_csum_res, in_csum_rfc;
+		int i;
+
+		exercise += EXERCISESTEP;
+		exercise %= MAXDATALEN;
+
+		printf("\rexercising length %d\033[K", exercise);
+
+		for (i = 0; i < exercise; i++)
+			buffer[i] = prng_rand(prng);
+
+		in_csum = in_cksum(buffer, exercise);
+		in_csum_res = in_cksum_optimized(buffer, exercise);
+		in_csum_rfc = in_cksum_rfc(buffer, exercise);
+		if (in_csum_res != in_csum || in_csum != in_csum_rfc)
+			printf("\nverify: in_chksum failed in_csum:%x, in_csum_res:%x,in_csum_rfc %x, len:%d\n",
+			       in_csum, in_csum_res, in_csum_rfc, exercise);
+
+		struct iovec iov[3];
+		uint16_t in_csum_iov;
+
+		iov[0].iov_base = buffer;
+		iov[0].iov_len = exercise / 2;
+		iov[1].iov_base = buffer + iov[0].iov_len;
+		iov[1].iov_len = exercise - iov[0].iov_len;
+
+		in_csum_iov = in_cksumv(iov, 2);
+		if (in_csum_iov != in_csum)
+			printf("\nverify: in_cksumv failed, lens: %zu+%zu\n",
+			       iov[0].iov_len, iov[1].iov_len);
+
+		if (exercise >= 6) {
+			/* force split with byte leftover */
+			iov[0].iov_base = buffer;
+			iov[0].iov_len = (exercise / 2) | 1;
+			iov[1].iov_base = buffer + iov[0].iov_len;
+			iov[1].iov_len = 2;
+			iov[2].iov_base = buffer + iov[0].iov_len + 2;
+			iov[2].iov_len = exercise - iov[0].iov_len - 2;
+
+			in_csum_iov = in_cksumv(iov, 3);
+			if (in_csum_iov != in_csum)
+				printf("\nverify: in_cksumv failed, lens: %zu+%zu+%zu, got %04x, expected %04x\n",
+				       iov[0].iov_len, iov[1].iov_len,
+				       iov[2].iov_len, in_csum_iov, in_csum);
+
+			/* force split without byte leftover */
+			iov[0].iov_base = buffer;
+			iov[0].iov_len = (exercise / 2) & ~1UL;
+			iov[1].iov_base = buffer + iov[0].iov_len;
+			iov[1].iov_len = 2;
+			iov[2].iov_base = buffer + iov[0].iov_len + 2;
+			iov[2].iov_len = exercise - iov[0].iov_len - 2;
+
+			in_csum_iov = in_cksumv(iov, 3);
+			if (in_csum_iov != in_csum)
+				printf("\nverify: in_cksumv failed, lens: %zu+%zu+%zu, got %04x, expected %04x\n",
+				       iov[0].iov_len, iov[1].iov_len,
+				       iov[2].iov_len, in_csum_iov, in_csum);
+		}
+
+		if (exercise >= FLETCHER_CHECKSUM_VALIDATE)
+			continue;
+
+		ospfd = ospfd_checksum(buffer, exercise + sizeof(uint16_t),
+				       exercise);
+		if (verify(buffer, exercise + sizeof(uint16_t)))
+			printf("\nverify: ospfd failed\n");
+		isisd = iso_csum_create(buffer, exercise + sizeof(uint16_t),
+					exercise);
+		if (verify(buffer, exercise + sizeof(uint16_t)))
+			printf("\nverify: isisd failed\n");
+		lib = fletcher_checksum(buffer, exercise + sizeof(uint16_t),
+					exercise);
+		if (verify(buffer, exercise + sizeof(uint16_t)))
+			printf("\nverify: lib failed\n");
+
+		if (ospfd != lib) {
+			printf("\nMismatch in values at size %d\n"
+			       "ospfd: 0x%04x\tc0: %d\tc1: %d\tx: %d\ty: %d\n"
+			       "isisd: 0x%04x\tc0: %d\tc1: %d\tx: %d\ty: %d\n"
+			       "lib: 0x%04x\n",
+			       exercise, ospfd, ospfd_vals.a.c0,
+			       ospfd_vals.a.c1, ospfd_vals.x, ospfd_vals.y,
+			       isisd, isisd_vals.a.c0, isisd_vals.a.c1,
+			       isisd_vals.x, isisd_vals.y, lib);
+
+			/* Investigate reduction phase discrepencies */
+			if (ospfd_vals.a.c0 == isisd_vals.a.c0
+			    && ospfd_vals.a.c1 == isisd_vals.a.c1) {
+				printf("\n");
+				for (i = 0; reducts[i].name != NULL; i++) {
+					ospfd = reducts[i].f(
+						&ospfd_vals,
+						exercise + sizeof(uint16_t),
+						exercise);
+					printf("%20s: x: %02x, y %02x, checksum 0x%04x\n",
+					       reducts[i].name,
+					       ospfd_vals.x & 0xff,
+					       ospfd_vals.y & 0xff, ospfd);
+				}
+			}
+
+			printf("\n  uint8_t testdata [] = {\n  ");
+			for (i = 0; i < exercise; i++) {
+				printf("0x%02x,%s", buffer[i],
+				       (i + 1) % 8 ? " " : "\n  ");
+			}
+			printf("\n}\n");
+			exit(1);
+		}
+	}
+}
diff --git a/tests/lib/test_darr.c b/tests/lib/test_darr.c
new file mode 100644
index 0000000..9150aed
--- /dev/null
+++ b/tests/lib/test_darr.c
@@ -0,0 +1,279 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * June 23 2023, Christian Hopps <chopps@labn.net>
+ *
+ * Copyright (c) 2023, LabN Consulting, L.L.C.
+ *
+ */
+#include <zebra.h>
+#include "darr.h"
+
+/*
+ * Public functions to test:
+ * [x] - darr_append
+ * [x] - darr_append_n
+ * [x] - darr_append_nz
+ * [x] - darr_cap
+ * [-] - darr_ensure_cap
+ * [x] - darr_ensure_i
+ * [x] - darr_foreach_i
+ * [x] - darr_foreach_p
+ * [x] - darr_free
+ * [x] - darr_insert
+ * [ ] - darr_insertz
+ * [x] - darr_insert_n
+ * [x] - darr_insert_nz
+ * [x] - darr_maxi
+ * [x] - darr_pop
+ * [x] - darr_push
+ * [ ] - darr_pushz
+ * [x] - darr_remove
+ * [x] - darr_remove_n
+ * [x] - darr_reset
+ * [x] - darr_setlen
+ */
+
+static void test_int(void)
+{
+	int z105[105] = {0};
+	int a1[] = {0, 1, 2, 3, 4};
+	int a2[] = {4, 3, 2, 1, 0};
+	int *da1 = NULL;
+	int *da2 = NULL;
+	int *dap;
+	uint i;
+
+	darr_ensure_i(da1, 0);
+	da1[0] = 0;
+	assert(darr_len(da1) == 1);
+	assert(darr_cap(da1) == 1);
+
+	*darr_ensure_i(da1, 1) = 1;
+	assert(darr_len(da1) == 2);
+	assert(darr_cap(da1) == 2);
+
+	darr_ensure_i(da1, 4);
+	darr_foreach_i (da1, i)
+		da1[i] = i;
+
+	assert(darr_len(da1) == 5);
+	/* minimum non-pow2 array size for long long and smaller */
+	assert(darr_cap(da1) == 8);
+	assert(!memcmp(da1, a1, sizeof(a1)));
+
+	/* reverse the numbers */
+	darr_foreach_p (da1, dap)
+		*dap = darr_end(da1) - dap - 1;
+	assert(!memcmp(da1, a2, sizeof(a2)));
+
+	darr_append_n(da1, 100);
+	darr_foreach_p (da1, dap)
+		*dap = darr_end(da1) - dap - 1;
+
+	darr_pop_n(da1, 100);
+	darr_append_nz(da1, 100);
+	assert(!memcmp(&da1[5], z105, _darr_esize(da1) * 100));
+
+	assert(darr_len(da1) == 105);
+	assert(darr_maxi(da1) == 127);
+	assert(darr_cap(da1) == 128);
+
+	darr_setlen(da1, 102);
+	assert(darr_len(da1) == 102);
+	assert(darr_maxi(da1) == 127);
+
+	int a3[] = { 0xdeadbeaf, 0x12345678 };
+
+	da1[0] = a3[0];
+	da1[101] = a3[1];
+	darr_remove_n(da1, 1, 100);
+	assert(darr_len(da1) == array_size(a3));
+	assert(!memcmp(da1, a3, sizeof(a3)));
+
+	da1[0] = a3[1];
+	da1[1] = a3[0];
+
+	darr_insert_n(da1, 1, 100);
+	assert(darr_len(da1) == 102);
+	assert(da1[0] == a3[1]);
+	assert(da1[101] == a3[0]);
+
+	darr_reset(da1);
+	assert(darr_len(da1) == 0);
+	assert(darr_maxi(da1) == 127);
+	assert(darr_cap(da1) == 128);
+
+	/* we touch the length field of the freed block here somehow */
+	darr_insert_n(da1, 100, 300);
+	assert(darr_len(da1) == 400);
+	assert(darr_cap(da1) == 512);
+
+	da1[400 - 1] = 0x0BAD;
+	*darr_insert(da1, 0) = 0xF00D;
+	assert(da1[0] == 0xF00D);
+	assert(da1[400] == 0x0BAD);
+	assert(darr_len(da1) == 401);
+	assert(darr_cap(da1) == 512);
+
+	darr_free(da1);
+	assert(da1 == NULL);
+	assert(darr_len(da1) == 0);
+	darr_setlen(da1, 0);
+	darr_reset(da1);
+	darr_free(da1);
+
+	*darr_append(da2) = 0;
+	*darr_append(da2) = 1;
+	darr_push(da2, 2);
+	darr_push(da2, 3);
+	darr_push(da2, 4);
+
+	assert(!memcmp(da2, a1, sizeof(a1)));
+
+	assert(darr_pop(da2) == 4);
+	assert(darr_pop(da2) == 3);
+	assert(darr_pop(da2) == 2);
+	assert(darr_len(da2) == 2);
+	assert(darr_pop(da2) == 1);
+	assert(darr_pop(da2) == 0);
+	assert(darr_len(da2) == 0);
+
+	darr_free(da2);
+}
+
+static void test_struct(void)
+{
+	/*
+	 *uwould like to use different sizes with padding but memcmp can't be
+	 *used then.
+	 */
+	struct st {
+		long long a;
+		long long b;
+	};
+	struct st z102[102] = {{0, 0}};
+	struct st *da1 = NULL;
+	struct st *da2 = NULL;
+	struct st a1[] = {
+		{0, 0}, {1, 1}, {2, 2}, {3, 3}, {4, 4},
+	};
+	uint i;
+
+	darr_ensure_i(da1, 0);
+	da1[0].a = 0;
+	da1[0].b = 0;
+	assert(darr_len(da1) == 1);
+	assert(darr_cap(da1) == 1);
+
+	darr_ensure_i(da1, 1)->a = 1;
+	darr_ensure_i(da1, 1)->b = 1;
+	assert(darr_len(da1) == 2);
+	assert(darr_cap(da1) == 2);
+
+	darr_ensure_i(da1, 4);
+	da1[2].a = 2;
+	da1[2].b = 2;
+
+	da1[3].a = 3;
+	da1[3].b = 3;
+
+	da1[4].a = 4;
+	da1[4].b = 4;
+
+	assert(darr_len(da1) == 5);
+	/* minimum non-pow2 array size for long long and smaller */
+	assert(darr_cap(da1) == 8);
+	assert(!memcmp(da1, a1, sizeof(a1)));
+
+	darr_append_n(da1, 100);
+
+	assert(darr_len(da1) == 105);
+	assert(darr_maxi(da1) == 127);
+	assert(darr_cap(da1) == 128);
+
+	darr_setlen(da1, 102);
+	assert(darr_len(da1) == 102);
+	assert(darr_maxi(da1) == 127);
+
+	struct st a2[] = {
+		{0xdeadbeaf, 0xdeadbeaf},
+		{0x12345678, 0x12345678},
+	};
+	da1[0] = a2[0];
+	da1[101] = a2[1];
+	darr_remove_n(da1, 1, 100);
+	assert(darr_len(da1) == array_size(a2));
+	assert(!memcmp(da1, a2, sizeof(a2)));
+
+	da1[0] = a2[1];
+	da1[1] = a2[0];
+
+	darr_insert_n(da1, 1, 100);
+	assert(darr_len(da1) == 102);
+	darr_foreach_i (da1, i) {
+		da1[i].a = i;
+		da1[i].b = i;
+	}
+	darr_remove_n(da1, 1, 100);
+	assert(darr_len(da1) == 2);
+	darr_insert_nz(da1, 1, 100);
+	assert(!memcmp(&da1[1], z102, 100 * sizeof(da1[0])));
+	/* assert(da1[0] == a2[1]); */
+	/* assert(da1[101] == a2[0]); */
+
+	darr_reset(da1);
+	assert(darr_len(da1) == 0);
+	assert(darr_maxi(da1) == 127);
+	assert(darr_cap(da1) == 128);
+
+	/* we touch the length field of the freed block here somehow */
+	darr_insert_n(da1, 100, 300);
+
+	assert(darr_len(da1) == 400);
+	assert(darr_cap(da1) == 512);
+
+	darr_free(da1);
+	assert(da1 == NULL);
+
+	assert(darr_len(da1) == 0);
+	darr_setlen(da1, 0);
+	darr_reset(da1);
+
+	darr_free(da1);
+
+	struct st i0 = {0, 0};
+	struct st i1 = {1, 1};
+	struct st i2 = {2, 2};
+	struct st i3 = {3, 3};
+	struct st i4 = {4, 4};
+
+	*darr_append(da2) = i0;
+	*darr_append(da2) = i1;
+	darr_push(da2, i2);
+	darr_push(da2, i3);
+	darr_push(da2, i4);
+
+	assert(!memcmp(da2, a1, sizeof(a1)));
+
+	struct st p0, p1, p2, p3, p4;
+
+	p4 = darr_pop(da2);
+	p3 = darr_pop(da2);
+	p2 = darr_pop(da2);
+	p1 = darr_pop(da2);
+	p0 = darr_pop(da2);
+	assert(darr_len(da2) == 0);
+	assert(p4.a == i4.a && p4.b == i4.b);
+	assert(p3.a == i3.a && p3.b == i3.b);
+	assert(p2.a == i2.a && p2.b == i2.b);
+	assert(p1.a == i1.a && p1.b == i1.b);
+	assert(p0.a == i0.a && p0.b == i0.b);
+
+	darr_free(da2);
+}
+
+int main(int argc, char **argv)
+{
+	test_int();
+	test_struct();
+}
diff --git a/tests/lib/test_frrlua.c b/tests/lib/test_frrlua.c
new file mode 100644
index 0000000..701e171
--- /dev/null
+++ b/tests/lib/test_frrlua.c
@@ -0,0 +1,99 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * frrlua unit tests
+ * Copyright (C) 2021  Donald Lee
+ */
+
+#include <zebra.h>
+#include "string.h"
+#include "stdio.h"
+#include "lib/frrlua.h"
+
+static void test_encode_decode(void)
+{
+	lua_State *L = luaL_newstate();
+
+	long long a = 123;
+	long long b = a;
+
+	lua_pushintegerp(L, &a);
+	lua_decode_integerp(L, -1, &a);
+	assert(a == b);
+	assert(lua_gettop(L) == 0);
+
+	time_t time_a = 100;
+	time_t time_b;
+
+	lua_pushinteger(L, time_a);
+	time_b = lua_tointeger(L, -1);
+	lua_pop(L, 1);
+	assert(time_a == time_b);
+	assert(lua_gettop(L) == 0);
+
+	char str_b[] = "Hello", str_a[6];
+
+	strlcpy(str_a, str_b, sizeof(str_b));
+	lua_pushstring_wrapper(L, str_a);
+	lua_decode_stringp(L, -1, str_a);
+	assert(strncmp(str_a, str_b, sizeof(str_b)) == 0);
+	assert(lua_gettop(L) == 0);
+
+	char p_b_str[] = "10.0.0.0/24", p_a_str[12];
+	struct prefix p_a;
+
+	strlcpy(p_a_str, p_b_str, sizeof(p_b_str));
+	str2prefix(p_a_str, &p_a);
+	lua_pushprefix(L, &p_a);
+	lua_decode_prefix(L, -1, &p_a);
+	prefix2str(&p_a, p_a_str, sizeof(p_b_str));
+	assert(strncmp(p_a_str, p_b_str, sizeof(p_b_str)) == 0);
+	assert(lua_gettop(L) == 0);
+
+	struct interface ifp_a = {};
+	struct interface ifp_b = ifp_a;
+
+	lua_pushinterface(L, &ifp_a);
+	lua_decode_interface(L, -1, &ifp_a);
+	assert(strncmp(ifp_a.name, ifp_b.name, sizeof(ifp_b.name)) == 0);
+	assert(ifp_a.ifindex == ifp_b.ifindex);
+	assert(ifp_a.status == ifp_b.status);
+	assert(ifp_a.flags == ifp_b.flags);
+	assert(ifp_a.metric == ifp_b.metric);
+	assert(ifp_a.speed == ifp_b.speed);
+	assert(ifp_a.mtu == ifp_b.mtu);
+	assert(ifp_a.mtu6 == ifp_b.mtu6);
+	assert(ifp_a.bandwidth == ifp_b.bandwidth);
+	assert(ifp_a.link_ifindex == ifp_b.link_ifindex);
+	assert(ifp_a.ll_type == ifp_b.ll_type);
+	assert(lua_gettop(L) == 0);
+
+	struct in_addr addr_a = {};
+	struct in_addr addr_b = addr_a;
+
+	lua_pushinaddr(L, &addr_a);
+	lua_decode_inaddr(L, -1, &addr_a);
+	assert(addr_a.s_addr == addr_b.s_addr);
+	assert(lua_gettop(L) == 0);
+
+	struct in6_addr in6addr_a = {};
+	struct in6_addr in6addr_b = in6addr_a;
+
+	lua_pushin6addr(L, &in6addr_a);
+	lua_decode_in6addr(L, -1, &in6addr_a);
+	assert(in6addr_cmp(&in6addr_a, &in6addr_b) == 0);
+	assert(lua_gettop(L) == 0);
+
+	union sockunion su_a, su_b;
+
+	memset(&su_a, 0, sizeof(union sockunion));
+	memset(&su_b, 0, sizeof(union sockunion));
+	lua_pushsockunion(L, &su_a);
+	lua_decode_sockunion(L, -1, &su_a);
+	assert(sockunion_cmp(&su_a, &su_b) == 0);
+	assert(lua_gettop(L) == 0);
+}
+
+int main(int argc, char **argv)
+{
+	test_encode_decode();
+}
diff --git a/tests/lib/test_frrlua.py b/tests/lib/test_frrlua.py
new file mode 100644
index 0000000..2f6ddc1
--- /dev/null
+++ b/tests/lib/test_frrlua.py
@@ -0,0 +1,14 @@
+import frrtest
+import pytest
+
+if 'S["SCRIPTING_TRUE"]=""\n' not in open("../config.status").readlines():
+    class TestFrrlua:
+        @pytest.mark.skipif(True, reason="Test unsupported")
+        def test_exit_cleanly(self):
+            pass
+else:
+
+    class TestFrrlua(frrtest.TestMultiOut):
+        program = "./test_frrlua"
+
+    TestFrrlua.exit_cleanly()
diff --git a/tests/lib/test_frrscript.c b/tests/lib/test_frrscript.c
new file mode 100644
index 0000000..7d4746c
--- /dev/null
+++ b/tests/lib/test_frrscript.c
@@ -0,0 +1,99 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * frrscript unit tests
+ * Copyright (C) 2021  Donald Lee
+ */
+
+#include <zebra.h>
+
+#include "lib/frrscript.h"
+#include "lib/frrlua.h"
+
+int main(int argc, char **argv)
+{
+	frrscript_init("./lib");
+	struct frrscript *fs = frrscript_new("script1");
+	int result;
+
+	/* Positive testing */
+
+	long long a = 100, b = 200;
+
+	result = frrscript_load(fs, "foo", NULL);
+	assert(result == 0);
+	result = frrscript_call(fs, "foo", ("a", &a), ("b", &b));
+	assert(result == 0);
+	assert(a == 101);
+	assert(b == 201);
+
+	a = 100, b = 200;
+
+	result = frrscript_load(fs, "bar", NULL);
+	assert(result == 0);
+	result = frrscript_call(fs, "bar", ("a", &a), ("b", &b));
+	assert(result == 0);
+	long long *cptr = frrscript_get_result(fs, "bar", "c", lua_tointegerp);
+
+	/* a should not occur in the returned table in script */
+	assert(a == 100);
+	assert(b == 201);
+	assert(*cptr == 303);
+	XFREE(MTYPE_SCRIPT_RES, cptr);
+
+	long long n = 5;
+
+	result = frrscript_load(fs, "fact", NULL);
+	assert(result == 0);
+	result = frrscript_call(fs, "fact", ("n", &n));
+	assert(result == 0);
+	long long *ansptr =
+		frrscript_get_result(fs, "fact", "ans", lua_tointegerp);
+	assert(*ansptr == 120);
+
+	/* check consecutive call + get_result without re-loading */
+	n = 4;
+	result = frrscript_call(fs, "fact", ("n", &n));
+	assert(result == 0);
+	ansptr = frrscript_get_result(fs, "fact", "ans", lua_tointegerp);
+	assert(*ansptr == 24);
+
+	XFREE(MTYPE_SCRIPT_RES, ansptr);
+
+	/* Negative testing */
+
+	/* Function does not exist in script file*/
+	result = frrscript_load(fs, "does_not_exist", NULL);
+	assert(result == 1);
+
+	/* Function was not (successfully) loaded */
+	result = frrscript_call(fs, "does_not_exist", ("a", &a), ("b", &b));
+	assert(result == 1);
+
+	/* Get result from a function that was not loaded */
+	long long *llptr =
+		frrscript_get_result(fs, "does_not_exist", "c", lua_tointegerp);
+	assert(llptr == NULL);
+
+	/* Function returns void */
+	result = frrscript_call(fs, "bad_return1");
+	assert(result == 1);
+
+	/* Function returns number */
+	result = frrscript_call(fs, "bad_return2");
+	assert(result == 1);
+
+	/* Get non-existent result from a function */
+	result = frrscript_call(fs, "bad_return3");
+	assert(result == 1);
+	long long *cllptr =
+		frrscript_get_result(fs, "bad_return3", "c", lua_tointegerp);
+	assert(cllptr == NULL);
+
+	/* Function throws exception */
+	result = frrscript_call(fs, "bad_return4");
+	assert(result == 1);
+
+	frrscript_delete(fs);
+
+	return 0;
+}
diff --git a/tests/lib/test_frrscript.py b/tests/lib/test_frrscript.py
new file mode 100644
index 0000000..046d97b
--- /dev/null
+++ b/tests/lib/test_frrscript.py
@@ -0,0 +1,14 @@
+import frrtest
+import pytest
+
+if 'S["SCRIPTING_TRUE"]=""\n' not in open("../config.status").readlines():
+    class TestFrrscript:
+        @pytest.mark.skipif(True, reason="Test unsupported")
+        def test_exit_cleanly(self):
+            pass
+else:
+
+    class TestFrrscript(frrtest.TestMultiOut):
+        program = "./test_frrscript"
+
+    TestFrrscript.exit_cleanly()
diff --git a/tests/lib/test_graph.c b/tests/lib/test_graph.c
new file mode 100644
index 0000000..86af02a
--- /dev/null
+++ b/tests/lib/test_graph.c
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Test graph data structure.
+ * Copyright (C) 2018  Cumulus Networks, Inc.
+ *                     Quentin Young
+ */
+#include <zebra.h>
+#include <graph.h>
+#include <memory.h>
+#include <buffer.h>
+
+#define NUMNODES 32
+
+static void graph_custom_print_cb(struct graph_node *gn, struct buffer *buf)
+{
+	char nbuf[64];
+	char *gname = gn->data;
+
+	for (unsigned int i = 0; i < vector_active(gn->to); i++) {
+		struct graph_node *adj = vector_slot(gn->to, i);
+		char *name = adj->data;
+
+		snprintf(nbuf, sizeof(nbuf), "    n%s -> n%s;\n", gname, name);
+		buffer_putstr(buf, nbuf);
+	}
+}
+
+int main(int argc, char **argv)
+{
+	struct graph *g = graph_new();
+	struct graph_node *gn[NUMNODES];
+	char names[NUMNODES][16];
+
+	/* create vertices */
+	for (unsigned int i = 0; i < NUMNODES; i++) {
+		snprintf(names[i], sizeof(names[i]), "%u", i);
+		gn[i] = graph_new_node(g, names[i], NULL);
+	}
+
+	/* create edges */
+	for (unsigned int i = 1; i < NUMNODES - 1; i++) {
+		graph_add_edge(gn[0], gn[i]);
+		graph_add_edge(gn[i], gn[i + 1]);
+	}
+	graph_add_edge(gn[0], gn[NUMNODES - 1]);
+	graph_add_edge(gn[NUMNODES - 1], gn[1]);
+
+	/* print DOT */
+	char *dumped = graph_dump_dot(g, gn[0], graph_custom_print_cb);
+
+	fprintf(stdout, "%s", dumped);
+	XFREE(MTYPE_TMP, dumped);
+
+	/* remove some edges */
+	for (unsigned int i = NUMNODES - 1; i > NUMNODES / 2; --i)
+		for (unsigned int j = 0; j < NUMNODES; j++)
+			graph_remove_edge(gn[i], gn[j]);
+
+	/* remove some nodes */
+	for (unsigned int i = 0; i < NUMNODES / 2; i++)
+		graph_delete_node(g, gn[i]);
+
+	graph_delete_graph(g);
+}
diff --git a/tests/lib/test_graph.py b/tests/lib/test_graph.py
new file mode 100644
index 0000000..b26986c
--- /dev/null
+++ b/tests/lib/test_graph.py
@@ -0,0 +1,5 @@
+import frrtest
+
+
+class TestGraph(frrtest.TestRefOut):
+    program = "./test_graph"
diff --git a/tests/lib/test_graph.refout b/tests/lib/test_graph.refout
new file mode 100644
index 0000000..955f552
--- /dev/null
+++ b/tests/lib/test_graph.refout
@@ -0,0 +1,64 @@
+digraph {
+    n0 -> n1;
+    n0 -> n2;
+    n0 -> n3;
+    n0 -> n4;
+    n0 -> n5;
+    n0 -> n6;
+    n0 -> n7;
+    n0 -> n8;
+    n0 -> n9;
+    n0 -> n10;
+    n0 -> n11;
+    n0 -> n12;
+    n0 -> n13;
+    n0 -> n14;
+    n0 -> n15;
+    n0 -> n16;
+    n0 -> n17;
+    n0 -> n18;
+    n0 -> n19;
+    n0 -> n20;
+    n0 -> n21;
+    n0 -> n22;
+    n0 -> n23;
+    n0 -> n24;
+    n0 -> n25;
+    n0 -> n26;
+    n0 -> n27;
+    n0 -> n28;
+    n0 -> n29;
+    n0 -> n30;
+    n0 -> n31;
+    n31 -> n1;
+    n1 -> n2;
+    n2 -> n3;
+    n3 -> n4;
+    n4 -> n5;
+    n5 -> n6;
+    n6 -> n7;
+    n7 -> n8;
+    n8 -> n9;
+    n9 -> n10;
+    n10 -> n11;
+    n11 -> n12;
+    n12 -> n13;
+    n13 -> n14;
+    n14 -> n15;
+    n15 -> n16;
+    n16 -> n17;
+    n17 -> n18;
+    n18 -> n19;
+    n19 -> n20;
+    n20 -> n21;
+    n21 -> n22;
+    n22 -> n23;
+    n23 -> n24;
+    n24 -> n25;
+    n25 -> n26;
+    n26 -> n27;
+    n27 -> n28;
+    n28 -> n29;
+    n29 -> n30;
+    n30 -> n31;
+}
diff --git a/tests/lib/test_grpc.cpp b/tests/lib/test_grpc.cpp
new file mode 100644
index 0000000..957ffde
--- /dev/null
+++ b/tests/lib/test_grpc.cpp
@@ -0,0 +1,977 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * May 16 2021, Christian Hopps <chopps@labn.net>
+ *
+ * Copyright (c) 2021, LabN Consulting, L.L.C
+ */
+
+#include <time.h>
+#include <unistd.h>
+#include <zebra.h>
+
+#include "filter.h"
+#include "frr_pthread.h"
+#include "libfrr.h"
+#include "routing_nb.h"
+#include "northbound_cli.h"
+#include "frrevent.h"
+#include "vrf.h"
+#include "vty.h"
+
+#include "staticd/static_debug.h"
+#include "staticd/static_nb.h"
+#include "staticd/static_vrf.h"
+#include "staticd/static_vty.h"
+#include "staticd/static_zebra.h"
+
+// GRPC C++ includes
+#include <string>
+#include <sstream>
+#include <grpc/grpc.h>
+#include <grpcpp/channel.h>
+#include <grpcpp/client_context.h>
+#include <grpcpp/create_channel.h>
+#include <grpcpp/security/credentials.h>
+#include "grpc/frr-northbound.grpc.pb.h"
+
+DEFINE_HOOK(test_grpc_late_init, (struct event_loop * tm), (tm));
+DEFINE_KOOH(test_grpc_fini, (), ());
+
+struct vty *vty;
+
+bool mpls_enabled;
+struct event_loop *master;
+struct zebra_privs_t static_privs = {0};
+struct frrmod_runtime *grpc_module;
+char binpath[2 * MAXPATHLEN + 1];
+
+extern const char *json_expect1;
+extern const char *json_expect2;
+extern const char *json_expect3;
+extern const char *json_loadconf1;
+
+int test_dbg = 1;
+
+void inline test_debug(const std::string &s)
+{
+	if (test_dbg)
+		std::cout << s << std::endl;
+}
+
+// static struct option_chain modules[] = {{ .arg = "grpc:50051" }]
+// static struct option_chain **modnext = modules->next;
+
+static const struct frr_yang_module_info *const staticd_yang_modules[] = {
+	&frr_interface_info, &frr_filter_info, &frr_routing_info,
+	&frr_staticd_info,   &frr_vrf_info,
+};
+
+static void grpc_thread_stop(struct event *thread);
+
+static void _err_print(const void *cookie, const char *errstr)
+{
+	std::cout << "Failed to load grpc module:" << errstr << std::endl;
+}
+
+static void static_startup(void)
+{
+	// struct frrmod_runtime module;
+	// static struct option_chain *oc;
+
+	cmd_init(1);
+
+	zlog_aux_init("NONE: ", LOG_DEBUG);
+	zprivs_preinit(&static_privs);
+	zprivs_init(&static_privs);
+
+	/* Load the server side module -- check libtool path first */
+	std::string modpath = std::string(binpath) + std::string("../../lib/.libs");
+	grpc_module = frrmod_load("grpc:50051", modpath.c_str(), 0, 0);
+	if (!grpc_module) {
+		modpath = std::string(binpath) +  std::string("../../lib");
+		grpc_module = frrmod_load("grpc:50051", modpath.c_str(),
+					  _err_print, 0);
+	}
+	if (!grpc_module) {
+		modpath = std::string(binpath) +
+			  std::string("../../../lib/.libs");
+		grpc_module = frrmod_load("grpc:50051", modpath.c_str(),
+					  _err_print, 0);
+	}
+	if (!grpc_module) {
+		modpath = std::string(binpath) + std::string("../../../lib");
+		grpc_module = frrmod_load("grpc:50051", modpath.c_str(),
+					  _err_print, 0);
+	}
+	if (!grpc_module)
+		exit(1);
+
+	static_debug_init();
+
+	master = event_master_create(NULL);
+	nb_init(master, staticd_yang_modules, array_size(staticd_yang_modules),
+		false);
+
+	static_zebra_init();
+	vty_init(master, true);
+	static_vrf_init();
+	static_vty_init();
+
+	hook_register(routing_conf_event,
+		      routing_control_plane_protocols_name_validate);
+
+	routing_control_plane_protocols_register_vrf_dependency();
+
+	// Add a route
+	vty = vty_new();
+	vty->type = vty::VTY_TERM;
+	vty_config_enter(vty, true, false, false);
+
+	auto ret = cmd_execute(vty, "ip route 11.0.0.0/8 Null0", NULL, 0);
+	assert(!ret);
+
+	ret = cmd_execute(vty, "end", NULL, 0);
+	assert(!ret);
+
+	nb_cli_pending_commit_check(vty);
+
+	frr_pthread_init();
+
+	// frr_config_fork();
+	hook_call(test_grpc_late_init, master);
+}
+
+static void static_shutdown(void)
+{
+	hook_call(test_grpc_fini);
+	vty_close(vty);
+	vrf_terminate();
+	vty_terminate();
+	cmd_terminate();
+	nb_terminate();
+	yang_terminate();
+	event_master_free(master);
+	master = NULL;
+}
+
+using frr::Northbound;
+using grpc::Channel;
+using grpc::ClientAsyncResponseReader;
+using grpc::ClientContext;
+using grpc::CompletionQueue;
+using grpc::Status;
+
+class NorthboundClient
+{
+      public:
+	NorthboundClient(std::shared_ptr<Channel> channel)
+	    : stub_(frr::Northbound::NewStub(channel))
+	{
+	}
+
+	void Commit(uint32_t candidate_id)
+	{
+		frr::CommitRequest request;
+		frr::CommitResponse reply;
+		ClientContext context;
+		Status status;
+
+		request.set_candidate_id(candidate_id);
+
+		request.set_phase(frr::CommitRequest::ALL);
+		status = stub_->Commit(&context, request, &reply);
+		_throw_if_not_ok(status);
+#if 0
+		request.set_phase(frr::CommitRequest::VALIDATE);
+		status = stub_->Commit(&context, request, &reply);
+		_throw_if_not_ok(status);
+
+		request.set_phase(frr::CommitRequest::PREPARE);
+		status = stub_->Commit(&context, request, &reply);
+		_throw_if_not_ok(status);
+
+		request.set_phase(frr::CommitRequest::APPLY);
+		status = stub_->Commit(&context, request, &reply);
+		_throw_if_not_ok(status);
+#endif
+	}
+
+	uint32_t CreateCandidate()
+	{
+		frr::CreateCandidateRequest request;
+		frr::CreateCandidateResponse reply;
+		ClientContext context;
+		Status status;
+
+		status = stub_->CreateCandidate(&context, request, &reply);
+		_throw_if_not_ok(status);
+		return reply.candidate_id();
+	}
+
+	void DeleteCandidate(uint32_t candidate_id)
+	{
+		frr::DeleteCandidateRequest request;
+		frr::DeleteCandidateResponse reply;
+		ClientContext context;
+		Status status;
+
+		request.set_candidate_id(candidate_id);
+		status = stub_->DeleteCandidate(&context, request, &reply);
+		_throw_if_not_ok(status);
+	}
+
+	void EditCandidate(uint32_t candidate_id, const std::string &path,
+			   const std::string &value)
+	{
+		frr::EditCandidateRequest request;
+		frr::EditCandidateResponse reply;
+		ClientContext context;
+
+		request.set_candidate_id(candidate_id);
+		frr::PathValue *pv = request.add_update();
+		pv->set_path(path);
+		pv->set_value(value);
+
+		Status status = stub_->EditCandidate(&context, request, &reply);
+		_throw_if_not_ok(status);
+	}
+
+	std::string Get(const std::string &path,
+			frr::GetRequest::DataType dtype, frr::Encoding enc,
+			bool with_defaults)
+	{
+		frr::GetRequest request;
+		frr::GetResponse reply;
+		ClientContext context;
+		std::ostringstream ss;
+
+		request.set_type(dtype);
+		request.set_encoding(enc);
+		request.set_with_defaults(with_defaults);
+		request.add_path(path);
+
+		auto stream = stub_->Get(&context, request);
+		while (stream->Read(&reply)) {
+			ss << reply.data().data() << std::endl;
+		}
+		auto status = stream->Finish();
+		_throw_if_not_ok(status);
+		return ss.str();
+	}
+
+	std::string GetCapabilities()
+	{
+		frr::GetCapabilitiesRequest request;
+		frr::GetCapabilitiesResponse reply;
+		ClientContext context;
+
+		Status status =
+			stub_->GetCapabilities(&context, request, &reply);
+		_throw_if_not_ok(status);
+
+		std::ostringstream ss;
+		ss << "Capabilities:" << std::endl
+		   << "\tVersion: " << reply.frr_version() << std::endl
+		   << "\tRollback Support: " << reply.rollback_support()
+		   << std::endl
+		   << "\tSupported Modules:";
+
+		for (int i = 0; i < reply.supported_modules_size(); i++) {
+			auto sm = reply.supported_modules(i);
+			ss << std::endl
+			   << "\t\tName: \"" << sm.name()
+			   << "\" Revision: " << sm.revision() << " Org: \""
+			   << sm.organization() << "\"";
+		}
+
+		ss << std::endl << "\tSupported Encodings:";
+
+		for (int i = 0; i < reply.supported_encodings_size(); i++) {
+			auto se = reply.supported_encodings(i);
+			auto desc =
+				google::protobuf::GetEnumDescriptor<decltype(
+					se)>();
+			ss << std::endl
+			   << "\t\t" << desc->FindValueByNumber(se)->name();
+		}
+
+		ss << std::endl;
+
+		return ss.str();
+	}
+
+	void LoadToCandidate(uint32_t candidate_id, bool is_replace,
+			     bool is_json, const std::string &data)
+	{
+		frr::LoadToCandidateRequest request;
+		frr::LoadToCandidateResponse reply;
+		frr::DataTree *dt = new frr::DataTree;
+		ClientContext context;
+
+		request.set_candidate_id(candidate_id);
+		request.set_type(is_replace
+					 ? frr::LoadToCandidateRequest::REPLACE
+					 : frr::LoadToCandidateRequest::MERGE);
+		dt->set_encoding(is_json ? frr::JSON : frr::XML);
+		dt->set_data(data);
+		request.set_allocated_config(dt);
+
+		Status status =
+			stub_->LoadToCandidate(&context, request, &reply);
+		_throw_if_not_ok(status);
+	}
+
+	std::string ListTransactions()
+	{
+		frr::ListTransactionsRequest request;
+		frr::ListTransactionsResponse reply;
+		ClientContext context;
+		std::ostringstream ss;
+
+		auto stream = stub_->ListTransactions(&context, request);
+
+		while (stream->Read(&reply)) {
+			ss << "Tx ID: " << reply.id()
+			   << " client: " << reply.client()
+			   << " date: " << reply.date()
+			   << " comment: " << reply.comment() << std::endl;
+		}
+
+		auto status = stream->Finish();
+		_throw_if_not_ok(status);
+		return ss.str();
+	}
+
+      private:
+	std::unique_ptr<frr::Northbound::Stub> stub_;
+
+	void _throw_if_not_ok(Status &status)
+	{
+		if (!status.ok())
+			throw std::runtime_error(
+				std::to_string(status.error_code()) + ": "
+				+ status.error_message());
+	}
+};
+
+
+bool stop = false;
+
+int grpc_client_test_stop(struct frr_pthread *fpt, void **result)
+{
+	test_debug("client: STOP pthread");
+
+	assert(fpt->running);
+	atomic_store_explicit(&fpt->running, false, memory_order_relaxed);
+
+	test_debug("client: joining pthread");
+	pthread_join(fpt->thread, result);
+
+	test_debug("client: joined pthread");
+	return 0;
+}
+
+int find_first_diff(const std::string &s1, const std::string &s2)
+{
+	int s1len = s1.length();
+	int s2len = s2.length();
+	int mlen = std::min(s1len, s2len);
+
+	for (int i = 0; i < mlen; i++)
+		if (s1[i] != s2[i])
+			return i;
+	return s1len == s2len ? -1 : mlen;
+}
+
+void assert_no_diff(const std::string &s1, const std::string &s2)
+{
+	int pos = find_first_diff(s1, s2);
+	if (pos == -1)
+		return;
+	std::cout << "not ok" << std::endl;
+	std::cout << "Same: " << s1.substr(0, pos) << std::endl;
+	std::cout << "Diff s1: " << s1.substr(pos) << std::endl;
+	std::cout << "Diff s2: " << s2.substr(pos) << std::endl;
+	assert(false);
+}
+
+void assert_config_same(NorthboundClient &client, const std::string &compare)
+{
+	std::string confs = client.Get("/frr-routing:routing",
+				       frr::GetRequest::ALL, frr::JSON, true);
+	assert_no_diff(confs, compare);
+	std::cout << "ok" << std::endl;
+}
+
+void grpc_client_run_test(void)
+{
+	NorthboundClient client(grpc::CreateChannel(
+		"localhost:50051", grpc::InsecureChannelCredentials()));
+
+	std::string reply = client.GetCapabilities();
+
+	uint32_t cid;
+	cid = client.CreateCandidate();
+	std::cout << "CreateCandidate -> " << cid << std::endl;
+	assert(cid == 1);
+	client.DeleteCandidate(cid);
+	std::cout << "DeleteCandidate(" << cid << ")" << std::endl;
+	cid = client.CreateCandidate();
+	assert(cid == 2);
+	std::cout << "CreateCandidate -> " << cid << std::endl;
+
+	/*
+	 * Get initial configuration
+	 */
+	std::cout << "Comparing initial config...";
+	assert_config_same(client, json_expect1);
+
+	/*
+	 * Add config using EditCandidate
+	 */
+
+	char xpath_buf[1024];
+	strlcpy(xpath_buf,
+		"/frr-routing:routing/control-plane-protocols/"
+		"control-plane-protocol[type='frr-staticd:staticd']"
+		"[name='staticd'][vrf='default']/frr-staticd:staticd/route-list",
+		sizeof(xpath_buf));
+	int slen = strlen(xpath_buf);
+	for (int i = 0; i < 4; i++) {
+		snprintf(xpath_buf + slen, sizeof(xpath_buf) - slen,
+			 "[prefix='13.0.%d.0/24']"
+			 "[afi-safi='frr-routing:ipv4-unicast']/"
+			 "path-list[table-id='0'][distance='1']/"
+			 "frr-nexthops/nexthop[nh-type='blackhole']"
+			 "[vrf='default'][gateway=''][interface='(null)']",
+			 i);
+		client.EditCandidate(cid, xpath_buf, "");
+	}
+	client.Commit(cid);
+	std::cout << "Comparing EditCandidate config...";
+	assert_config_same(client, json_expect2);
+
+	client.DeleteCandidate(cid);
+	std::cout << "DeleteCandidate(" << cid << ")" << std::endl;
+
+	/*
+	 * Add config using LoadToCandidate
+	 */
+
+	cid = client.CreateCandidate();
+	std::cout << "CreateCandidate -> " << cid << std::endl;
+
+	client.LoadToCandidate(cid, false, true, json_loadconf1);
+	client.Commit(cid);
+
+	std::cout << "Comparing LoadToCandidate config...";
+	assert_config_same(client, json_expect3);
+
+	client.DeleteCandidate(cid);
+	std::cout << "DeleteCandidate(" << cid << ")" << std::endl;
+
+	std::string ltxreply = client.ListTransactions();
+	// std::cout << "client: pthread received: " << ltxreply << std::endl;
+}
+
+void *grpc_client_test_start(void *arg)
+{
+	struct frr_pthread *fpt = (struct frr_pthread *)arg;
+	fpt->master->owner = pthread_self();
+	frr_pthread_set_name(fpt);
+	frr_pthread_notify_running(fpt);
+
+	try {
+		grpc_client_run_test();
+		std::cout << "TEST PASSED" << std::endl;
+	} catch (std::exception &e) {
+		std::cout << "Exception in test: " << e.what() << std::endl;
+	}
+
+	// Signal FRR event loop to stop
+	test_debug("client: pthread: adding event to stop us");
+	event_add_event(master, grpc_thread_stop, NULL, 0, NULL);
+
+	test_debug("client: pthread: DONE (returning)");
+
+	return NULL;
+}
+
+static void grpc_thread_start(struct event *thread)
+{
+	struct frr_pthread_attr client = {
+		.start = grpc_client_test_start,
+		.stop = grpc_client_test_stop,
+	};
+
+	auto pth = frr_pthread_new(&client, "GRPC Client thread", "grpc");
+	frr_pthread_run(pth, NULL);
+	frr_pthread_wait_running(pth);
+}
+
+static void grpc_thread_stop(struct event *thread)
+{
+	std::cout << __func__ << ": frr_pthread_stop_all" << std::endl;
+	frr_pthread_stop_all();
+	std::cout << __func__ << ": static_shutdown" << std::endl;
+	static_shutdown();
+	std::cout << __func__ << ": exit cleanly" << std::endl;
+	exit(0);
+}
+
+/*
+ * return abs path to this binary with trailing `/`. Does not parse path
+ * environment to find in path, which should not matter for unit testing.
+ */
+static int get_binpath(const char *argv0, char cwd[2 * MAXPATHLEN + 1])
+{
+	const char *rch;
+	if (argv0[0] == '/') {
+		*cwd = 0;
+		rch = strrchr(argv0, '/');
+		strlcpy(cwd, argv0, MIN(rch - argv0 + 2, 2 * MAXPATHLEN + 1));
+		return 0;
+	}
+	if (!(rch = strrchr(argv0, '/'))) {
+		/* Does not handle using PATH, shouldn't matter for test */
+		errno = EINVAL;
+		return -1;
+	}
+	if (!getcwd(cwd, MAXPATHLEN))
+		return -1;
+	int len = strlen(cwd);
+	cwd[len++] = '/';
+	strlcpy(cwd + len, argv0, MIN(rch - argv0 + 2, 2 * MAXPATHLEN + 1));
+	return 0;
+}
+
+int main(int argc, char **argv)
+{
+	assert(argc >= 1);
+	if (get_binpath(argv[0], binpath) < 0)
+		exit(1);
+
+	static_startup();
+
+	event_add_event(master, grpc_thread_start, NULL, 0, NULL);
+
+	/* Event Loop */
+	struct event thread;
+	while (event_fetch(master, &thread))
+		event_call(&thread);
+	return 0;
+}
+
+// clang-format off
+
+const char *json_expect1 = R"NONCE({
+  "frr-routing:routing": {
+    "control-plane-protocols": {
+      "control-plane-protocol": [
+        {
+          "type": "frr-staticd:staticd",
+          "name": "staticd",
+          "vrf": "default",
+          "frr-staticd:staticd": {
+            "route-list": [
+              {
+                "prefix": "11.0.0.0/8",
+                "afi-safi": "frr-routing:ipv4-unicast",
+                "path-list": [
+                  {
+                    "table-id": 0,
+                    "distance": 1,
+                    "tag": 0,
+                    "frr-nexthops": {
+                      "nexthop": [
+                        {
+                          "nh-type": "blackhole",
+                          "vrf": "default",
+                          "gateway": "",
+                          "interface": "(null)",
+                          "bh-type": "null",
+                          "onlink": false
+                        }
+                      ]
+                    }
+                  }
+                ]
+              }
+            ]
+          }
+        }
+      ]
+    }
+  },
+  "frr-vrf:lib": {
+    "vrf": [
+      {
+        "name": "default",
+        "state": {
+          "active": false
+        }
+      }
+    ]
+  }
+}
+
+)NONCE";
+
+const char *json_loadconf1 = R"NONCE(
+{
+  "frr-routing:routing": {
+    "control-plane-protocols": {
+      "control-plane-protocol": [
+        {
+          "type": "frr-staticd:staticd",
+          "name": "staticd",
+          "vrf": "default",
+          "frr-staticd:staticd": {
+            "route-list": [
+              {
+                "prefix": "10.0.0.0/13",
+                "afi-safi": "frr-routing:ipv4-unicast",
+                "path-list": [
+                  {
+                    "table-id": 0,
+                    "distance": 1,
+                    "frr-nexthops": {
+                      "nexthop": [
+                        {
+                          "nh-type": "blackhole",
+                          "vrf": "default",
+                          "gateway": "",
+                          "interface": "(null)"
+                        }
+                      ]
+                    }
+                  }
+                ]
+              }
+            ]
+          }
+        }
+      ]
+    }
+  },
+  "frr-vrf:lib": {
+    "vrf": [
+      {
+        "name": "default"
+      }
+    ]
+  }
+})NONCE";
+
+const char *json_expect2 = R"NONCE({
+  "frr-routing:routing": {
+    "control-plane-protocols": {
+      "control-plane-protocol": [
+        {
+          "type": "frr-staticd:staticd",
+          "name": "staticd",
+          "vrf": "default",
+          "frr-staticd:staticd": {
+            "route-list": [
+              {
+                "prefix": "11.0.0.0/8",
+                "afi-safi": "frr-routing:ipv4-unicast",
+                "path-list": [
+                  {
+                    "table-id": 0,
+                    "distance": 1,
+                    "tag": 0,
+                    "frr-nexthops": {
+                      "nexthop": [
+                        {
+                          "nh-type": "blackhole",
+                          "vrf": "default",
+                          "gateway": "",
+                          "interface": "(null)",
+                          "bh-type": "null",
+                          "onlink": false
+                        }
+                      ]
+                    }
+                  }
+                ]
+              },
+              {
+                "prefix": "13.0.0.0/24",
+                "afi-safi": "frr-routing:ipv4-unicast",
+                "path-list": [
+                  {
+                    "table-id": 0,
+                    "distance": 1,
+                    "tag": 0,
+                    "frr-nexthops": {
+                      "nexthop": [
+                        {
+                          "nh-type": "blackhole",
+                          "vrf": "default",
+                          "gateway": "",
+                          "interface": "(null)",
+                          "bh-type": "null",
+                          "onlink": false
+                        }
+                      ]
+                    }
+                  }
+                ]
+              },
+              {
+                "prefix": "13.0.1.0/24",
+                "afi-safi": "frr-routing:ipv4-unicast",
+                "path-list": [
+                  {
+                    "table-id": 0,
+                    "distance": 1,
+                    "tag": 0,
+                    "frr-nexthops": {
+                      "nexthop": [
+                        {
+                          "nh-type": "blackhole",
+                          "vrf": "default",
+                          "gateway": "",
+                          "interface": "(null)",
+                          "bh-type": "null",
+                          "onlink": false
+                        }
+                      ]
+                    }
+                  }
+                ]
+              },
+              {
+                "prefix": "13.0.2.0/24",
+                "afi-safi": "frr-routing:ipv4-unicast",
+                "path-list": [
+                  {
+                    "table-id": 0,
+                    "distance": 1,
+                    "tag": 0,
+                    "frr-nexthops": {
+                      "nexthop": [
+                        {
+                          "nh-type": "blackhole",
+                          "vrf": "default",
+                          "gateway": "",
+                          "interface": "(null)",
+                          "bh-type": "null",
+                          "onlink": false
+                        }
+                      ]
+                    }
+                  }
+                ]
+              },
+              {
+                "prefix": "13.0.3.0/24",
+                "afi-safi": "frr-routing:ipv4-unicast",
+                "path-list": [
+                  {
+                    "table-id": 0,
+                    "distance": 1,
+                    "tag": 0,
+                    "frr-nexthops": {
+                      "nexthop": [
+                        {
+                          "nh-type": "blackhole",
+                          "vrf": "default",
+                          "gateway": "",
+                          "interface": "(null)",
+                          "bh-type": "null",
+                          "onlink": false
+                        }
+                      ]
+                    }
+                  }
+                ]
+              }
+            ]
+          }
+        }
+      ]
+    }
+  },
+  "frr-vrf:lib": {
+    "vrf": [
+      {
+        "name": "default",
+        "state": {
+          "active": false
+        }
+      }
+    ]
+  }
+}
+
+)NONCE";
+
+const char *json_expect3 = R"NONCE({
+  "frr-routing:routing": {
+    "control-plane-protocols": {
+      "control-plane-protocol": [
+        {
+          "type": "frr-staticd:staticd",
+          "name": "staticd",
+          "vrf": "default",
+          "frr-staticd:staticd": {
+            "route-list": [
+              {
+                "prefix": "11.0.0.0/8",
+                "afi-safi": "frr-routing:ipv4-unicast",
+                "path-list": [
+                  {
+                    "table-id": 0,
+                    "distance": 1,
+                    "tag": 0,
+                    "frr-nexthops": {
+                      "nexthop": [
+                        {
+                          "nh-type": "blackhole",
+                          "vrf": "default",
+                          "gateway": "",
+                          "interface": "(null)",
+                          "bh-type": "null",
+                          "onlink": false
+                        }
+                      ]
+                    }
+                  }
+                ]
+              },
+              {
+                "prefix": "13.0.0.0/24",
+                "afi-safi": "frr-routing:ipv4-unicast",
+                "path-list": [
+                  {
+                    "table-id": 0,
+                    "distance": 1,
+                    "tag": 0,
+                    "frr-nexthops": {
+                      "nexthop": [
+                        {
+                          "nh-type": "blackhole",
+                          "vrf": "default",
+                          "gateway": "",
+                          "interface": "(null)",
+                          "bh-type": "null",
+                          "onlink": false
+                        }
+                      ]
+                    }
+                  }
+                ]
+              },
+              {
+                "prefix": "13.0.1.0/24",
+                "afi-safi": "frr-routing:ipv4-unicast",
+                "path-list": [
+                  {
+                    "table-id": 0,
+                    "distance": 1,
+                    "tag": 0,
+                    "frr-nexthops": {
+                      "nexthop": [
+                        {
+                          "nh-type": "blackhole",
+                          "vrf": "default",
+                          "gateway": "",
+                          "interface": "(null)",
+                          "bh-type": "null",
+                          "onlink": false
+                        }
+                      ]
+                    }
+                  }
+                ]
+              },
+              {
+                "prefix": "13.0.2.0/24",
+                "afi-safi": "frr-routing:ipv4-unicast",
+                "path-list": [
+                  {
+                    "table-id": 0,
+                    "distance": 1,
+                    "tag": 0,
+                    "frr-nexthops": {
+                      "nexthop": [
+                        {
+                          "nh-type": "blackhole",
+                          "vrf": "default",
+                          "gateway": "",
+                          "interface": "(null)",
+                          "bh-type": "null",
+                          "onlink": false
+                        }
+                      ]
+                    }
+                  }
+                ]
+              },
+              {
+                "prefix": "13.0.3.0/24",
+                "afi-safi": "frr-routing:ipv4-unicast",
+                "path-list": [
+                  {
+                    "table-id": 0,
+                    "distance": 1,
+                    "tag": 0,
+                    "frr-nexthops": {
+                      "nexthop": [
+                        {
+                          "nh-type": "blackhole",
+                          "vrf": "default",
+                          "gateway": "",
+                          "interface": "(null)",
+                          "bh-type": "null",
+                          "onlink": false
+                        }
+                      ]
+                    }
+                  }
+                ]
+              },
+              {
+                "prefix": "10.0.0.0/13",
+                "afi-safi": "frr-routing:ipv4-unicast",
+                "path-list": [
+                  {
+                    "table-id": 0,
+                    "distance": 1,
+                    "tag": 0,
+                    "frr-nexthops": {
+                      "nexthop": [
+                        {
+                          "nh-type": "blackhole",
+                          "vrf": "default",
+                          "gateway": "",
+                          "interface": "(null)",
+                          "bh-type": "null",
+                          "onlink": false
+                        }
+                      ]
+                    }
+                  }
+                ]
+              }
+            ]
+          }
+        }
+      ]
+    }
+  },
+  "frr-vrf:lib": {
+    "vrf": [
+      {
+        "name": "default",
+        "state": {
+          "active": false
+        }
+      }
+    ]
+  }
+}
+
+)NONCE";
diff --git a/tests/lib/test_grpc.py b/tests/lib/test_grpc.py
new file mode 100644
index 0000000..7f722de
--- /dev/null
+++ b/tests/lib/test_grpc.py
@@ -0,0 +1,33 @@
+import inspect
+import os
+import subprocess
+
+import frrtest
+import pytest
+
+
+class TestGRPC(object):
+    program = "./test_grpc"
+
+    @pytest.mark.skipif(
+        'S["GRPC_TRUE"]=""\n' not in open("../config.status").readlines(),
+        reason="GRPC not enabled",
+    )
+    @pytest.mark.skipif(
+        not os.path.isdir("/usr/share/yang"),
+        reason="YANG models aren't installed in /usr/share/yang",
+    )
+    def test_exits_cleanly(self):
+        basedir = os.path.dirname(inspect.getsourcefile(type(self)))
+        program = os.path.join(basedir, self.program)
+        proc = subprocess.Popen(
+            [frrtest.binpath(program)],
+            stdin=subprocess.PIPE,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.STDOUT,
+        )
+        output, _ = proc.communicate()
+        self.exitcode = proc.wait()
+        if self.exitcode != 0:
+            print("OUTPUT:\n" + output.decode("ascii"))
+            raise frrtest.TestExitNonzero(self)
diff --git a/tests/lib/test_heavy.c b/tests/lib/test_heavy.c
new file mode 100644
index 0000000..1e56940
--- /dev/null
+++ b/tests/lib/test_heavy.c
@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ */
+
+/* This programme shows the effects of 'heavy' long-running functions
+ * on the cooperative threading model.
+ *
+ * Run it with a config file containing 'password whatever', telnet to it
+ * (it defaults to port 4000) and enter the 'clear foo string' command.
+ * then type whatever and observe that the vty interface is unresponsive
+ * for quite a period of time, due to the clear_something command
+ * taking a very long time to complete.
+ */
+#include <zebra.h>
+
+#include "frrevent.h"
+#include "vty.h"
+#include "command.h"
+#include "memory.h"
+#include <math.h>
+
+#include "tests.h"
+
+enum { ITERS_FIRST = 0,
+       ITERS_ERR = 100,
+       ITERS_LATER = 400,
+       ITERS_PRINT = 10,
+       ITERS_MAX = 1000,
+};
+
+static void slow_func(struct vty *vty, const char *str, const int i)
+{
+	double x = 1;
+	int j;
+
+	for (j = 0; j < 300; j++)
+		x += sin(x) * j;
+
+	if ((i % ITERS_LATER) == 0)
+		printf("%s: %d, temporary error, save this somehow and do it later..\n",
+		       __func__, i);
+
+	if ((i % ITERS_ERR) == 0)
+		printf("%s: hard error\n", __func__);
+
+	if ((i % ITERS_PRINT) == 0)
+		printf("%s did %d, x = %g\n", str, i, x);
+}
+
+static void clear_something(struct vty *vty, const char *str)
+{
+	int i;
+
+	/* this could be like iterating through 150k of route_table
+	 * or worse, iterating through a list of peers, to bgp_stop them with
+	 * each having 150k route tables to process...
+	 */
+	for (i = ITERS_FIRST; i < ITERS_MAX; i++)
+		slow_func(vty, str, i);
+}
+
+DEFUN (clear_foo,
+       clear_foo_cmd,
+       "clear foo LINE...",
+       "clear command\n"
+       "arbitrary string\n")
+{
+	char *str;
+	if (!argc) {
+		vty_out(vty, "%% string argument required\n");
+		return CMD_WARNING;
+	}
+
+	str = argv_concat(argv, argc, 0);
+
+	clear_something(vty, str);
+	XFREE(MTYPE_TMP, str);
+	return CMD_SUCCESS;
+}
+
+static void slow_vty_init(void)
+{
+	install_element(VIEW_NODE, &clear_foo_cmd);
+}
+
+void test_init(void)
+{
+	slow_vty_init();
+}
diff --git a/tests/lib/test_heavy_thread.c b/tests/lib/test_heavy_thread.c
new file mode 100644
index 0000000..4fb9ebf
--- /dev/null
+++ b/tests/lib/test_heavy_thread.c
@@ -0,0 +1,113 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ */
+
+/* This programme shows the effects of 'heavy' long-running functions
+ * on the cooperative threading model, as demonstrated by heavy.c, and how
+ * they can be mitigated using a background thread.
+ *
+ * Run it with a config file containing 'password whatever', telnet to it
+ * (it defaults to port 4000) and enter the 'clear foo string' command.
+ * then type whatever and observe that, unlike heavy.c, the vty interface
+ * remains responsive.
+ */
+#include <zebra.h>
+#include <math.h>
+
+#include "frrevent.h"
+#include "vty.h"
+#include "command.h"
+#include "memory.h"
+#include "log.h"
+
+#include "tests.h"
+
+extern struct event_loop *master;
+
+enum { ITERS_FIRST = 0,
+       ITERS_ERR = 100,
+       ITERS_LATER = 400,
+       ITERS_PRINT = 10,
+       ITERS_MAX = 1000,
+};
+
+struct work_state {
+	struct vty *vty;
+	char *str;
+	int i;
+};
+
+static void slow_func(struct vty *vty, const char *str, const int i)
+{
+	double x = 1;
+	int j;
+
+	for (j = 0; j < 300; j++)
+		x += sin(x) * j;
+
+	if ((i % ITERS_LATER) == 0)
+		printf("%s: %d, temporary error, save this somehow and do it later..\n",
+		       __func__, i);
+
+	if ((i % ITERS_ERR) == 0)
+		printf("%s: hard error\n", __func__);
+
+	if ((i % ITERS_PRINT) == 0)
+		printf("%s did %d, x = %g\n", str, i, x);
+}
+
+static void clear_something(struct event *thread)
+{
+	struct work_state *ws = EVENT_ARG(thread);
+
+	/* this could be like iterating through 150k of route_table
+	 * or worse, iterating through a list of peers, to bgp_stop them with
+	 * each having 150k route tables to process...
+	 */
+	while (ws->i < ITERS_MAX) {
+		slow_func(ws->vty, ws->str, ws->i);
+		ws->i++;
+		if (event_should_yield(thread)) {
+			event_add_timer_msec(master, clear_something, ws, 0,
+					     NULL);
+			return;
+		}
+	}
+
+	/* All done! */
+	XFREE(MTYPE_TMP, ws->str);
+	XFREE(MTYPE_TMP, ws);
+}
+
+DEFUN (clear_foo,
+       clear_foo_cmd,
+       "clear foo LINE...",
+       "clear command\n"
+       "arbitrary string\n")
+{
+	char *str;
+	struct work_state *ws;
+
+	if (!argc) {
+		vty_out(vty, "%% string argument required\n");
+		return CMD_WARNING;
+	}
+
+	str = argv_concat(argv, argc, 0);
+
+	ws = XMALLOC(MTYPE_TMP, sizeof(*ws));
+
+	ws->str = XSTRDUP(MTYPE_TMP, str);
+
+	ws->vty = vty;
+	ws->i = ITERS_FIRST;
+
+	event_add_timer_msec(master, clear_something, ws, 0, NULL);
+
+	return CMD_SUCCESS;
+}
+
+void test_init(void)
+{
+	install_element(VIEW_NODE, &clear_foo_cmd);
+}
diff --git a/tests/lib/test_heavy_wq.c b/tests/lib/test_heavy_wq.c
new file mode 100644
index 0000000..225573a
--- /dev/null
+++ b/tests/lib/test_heavy_wq.c
@@ -0,0 +1,138 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ */
+
+/* This programme shows the effects of 'heavy' long-running functions
+ * on the cooperative threading model.
+ *
+ * Run it with a config file containing 'password whatever', telnet to it
+ * (it defaults to port 4000) and enter the 'clear foo string' command.
+ * then type whatever and observe that the vty interface is unresponsive
+ * for quite a period of time, due to the clear_something command
+ * taking a very long time to complete.
+ */
+#include <zebra.h>
+
+#include "frrevent.h"
+#include "vty.h"
+#include "command.h"
+#include "memory.h"
+#include "log.h"
+#include "workqueue.h"
+#include <math.h>
+
+#include "tests.h"
+
+DEFINE_MGROUP(TEST_HEAVYWQ, "heavy-wq test");
+DEFINE_MTYPE_STATIC(TEST_HEAVYWQ, WQ_NODE, "heavy_wq_node");
+DEFINE_MTYPE_STATIC(TEST_HEAVYWQ, WQ_NODE_STR, "heavy_wq_node->str");
+
+extern struct event_loop *master;
+static struct work_queue *heavy_wq;
+
+struct heavy_wq_node {
+	char *str;
+	int i;
+};
+
+enum { ITERS_FIRST = 0,
+       ITERS_ERR = 100,
+       ITERS_LATER = 400,
+       ITERS_PRINT = 10,
+       ITERS_MAX = 1000,
+};
+
+static void heavy_wq_add(struct vty *vty, const char *str, int i)
+{
+	struct heavy_wq_node *hn;
+
+	hn = XCALLOC(MTYPE_WQ_NODE, sizeof(struct heavy_wq_node));
+
+	hn->i = i;
+	hn->str = XSTRDUP(MTYPE_WQ_NODE_STR, str);
+
+	work_queue_add(heavy_wq, hn);
+
+	return;
+}
+
+static void slow_func_del(struct work_queue *wq, void *data)
+{
+	struct heavy_wq_node *hn = data;
+	assert(hn && hn->str);
+	printf("%s: %s\n", __func__, hn->str);
+	XFREE(MTYPE_WQ_NODE_STR, hn->str);
+	XFREE(MTYPE_WQ_NODE, hn);
+}
+
+static wq_item_status slow_func(struct work_queue *wq, void *data)
+{
+	struct heavy_wq_node *hn = data;
+	double x = 1;
+	int j;
+
+	assert(hn && hn->str);
+
+	for (j = 0; j < 300; j++)
+		x += sin(x) * j;
+
+	if ((hn->i % ITERS_LATER) == 0)
+		return WQ_RETRY_LATER;
+
+	if ((hn->i % ITERS_ERR) == 0)
+		return WQ_RETRY_NOW;
+
+	if ((hn->i % ITERS_PRINT) == 0)
+		printf("%s did %d, x = %g\n", hn->str, hn->i, x);
+
+	return WQ_SUCCESS;
+}
+
+static void clear_something(struct vty *vty, const char *str)
+{
+	int i;
+
+	/* this could be like iterating through 150k of route_table
+	 * or worse, iterating through a list of peers, to bgp_stop them with
+	 * each having 150k route tables to process...
+	 */
+	for (i = ITERS_FIRST; i < ITERS_MAX; i++)
+		heavy_wq_add(vty, str, i);
+}
+
+DEFUN (clear_foo,
+       clear_foo_cmd,
+       "clear foo LINE...",
+       "clear command\n"
+       "arbitrary string\n")
+{
+	char *str;
+	if (!argc) {
+		vty_out(vty, "%% string argument required\n");
+		return CMD_WARNING;
+	}
+
+	str = argv_concat(argv, argc, 0);
+
+	clear_something(vty, str);
+	XFREE(MTYPE_TMP, str);
+	return CMD_SUCCESS;
+}
+
+static int heavy_wq_init(void)
+{
+	heavy_wq = work_queue_new(master, "heavy_work_queue");
+
+	heavy_wq->spec.workfunc = &slow_func;
+	heavy_wq->spec.del_item_data = &slow_func_del;
+	heavy_wq->spec.max_retries = 3;
+	heavy_wq->spec.hold = 1000;
+
+	return 0;
+}
+
+void test_init(void)
+{
+	install_element(VIEW_NODE, &clear_foo_cmd);
+	heavy_wq_init();
+}
diff --git a/tests/lib/test_idalloc.c b/tests/lib/test_idalloc.c
new file mode 100644
index 0000000..ce1582b
--- /dev/null
+++ b/tests/lib/test_idalloc.c
@@ -0,0 +1,197 @@
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "id_alloc.h"
+
+#include <inttypes.h>
+#include <string.h>
+#include <assert.h>
+#include <stdio.h>
+
+#define IDS_PER_PAGE (1<<(IDALLOC_OFFSET_BITS + IDALLOC_WORD_BITS))
+char allocated_markers[IDS_PER_PAGE*3];
+
+int main(int argc, char **argv)
+{
+	int i, val;
+	uint32_t pg;
+	struct id_alloc *a;
+
+	/* 1. Rattle test, shake it a little and make sure it doesn't make any
+	 * noise :)
+	 */
+	a = idalloc_new("Rattle test");
+	for (i = 0; i < 1000000; i++)
+		assert(idalloc_allocate(a) != 0);
+
+	idalloc_destroy(a);
+
+	/* 2. Reserve a few low IDs, make sure they are skipped by normal
+	 * allocation.
+	 */
+	a = idalloc_new("Low Reservations");
+	assert(idalloc_reserve(a, 1) == 1);
+	assert(idalloc_reserve(a, 3) == 3);
+	assert(idalloc_reserve(a, 5) == 5);
+	for (i = 0; i < 100; i++) {
+		val = idalloc_allocate(a);
+		assert(val != 1 && val != 3 && val != 5);
+	}
+	idalloc_destroy(a);
+
+	/* 3. Single page testing. Check that IDs are kept unique, and all IDs
+	 * in the existing page are allocated before a new page is added.
+	 */
+	memset(allocated_markers, 0, sizeof(allocated_markers));
+	allocated_markers[IDALLOC_INVALID] = 1;
+
+	a = idalloc_new("Single Page");
+
+	/* reserve the rest of the first page */
+	for (i = 0; i < IDS_PER_PAGE - 1; i++) {
+		val = idalloc_allocate(a);
+		assert(val < IDS_PER_PAGE);
+		assert(allocated_markers[val] == 0);
+		assert(a->capacity == IDS_PER_PAGE);
+		allocated_markers[val] = 1;
+	}
+	/* Check that the count is right */
+	assert(a->allocated == IDS_PER_PAGE);
+
+	/* Free some IDs out of the middle. */
+	idalloc_free(a, 300);
+	allocated_markers[300] = 0;
+	idalloc_free(a, 400);
+	allocated_markers[400] = 0;
+	idalloc_free(a, 500);
+	allocated_markers[500] = 0;
+
+	assert(a->allocated == IDS_PER_PAGE-3);
+
+	/* Allocate the three IDs back and make sure they are pulled from the
+	 * set just freed
+	 */
+	for (i = 0; i < 3; i++) {
+		val = idalloc_allocate(a);
+		assert(val < IDS_PER_PAGE);
+		assert(allocated_markers[val] == 0);
+		assert(a->capacity == IDS_PER_PAGE);
+		allocated_markers[val] = 1;
+	}
+	idalloc_destroy(a);
+
+	/* 4. Multi-page testing. */
+	memset(allocated_markers, 0, sizeof(allocated_markers));
+	allocated_markers[IDALLOC_INVALID] = 1;
+
+	a = idalloc_new("Multi-page");
+
+	/* reserve the rest of the first page and all of the second and third */
+	for (i = 0; i < 3 * IDS_PER_PAGE - 1; i++) {
+		val = idalloc_allocate(a);
+		assert(val < 3*IDS_PER_PAGE);
+		assert(allocated_markers[val] == 0);
+		allocated_markers[val] = 1;
+	}
+	assert(a->capacity == 3*IDS_PER_PAGE);
+	assert(a->allocated == 3*IDS_PER_PAGE);
+
+	/* Free two IDs from each page. */
+	for (i = 0; i < 3; i++) {
+		idalloc_free(a, 7 + i*IDS_PER_PAGE);
+		allocated_markers[7 + i*IDS_PER_PAGE] = 0;
+
+		idalloc_free(a, 4 + i*IDS_PER_PAGE);
+		allocated_markers[4 + i*IDS_PER_PAGE] = 0;
+	}
+
+	assert(a->allocated == 3*IDS_PER_PAGE - 6);
+
+	/* Allocate the six IDs back and make sure they are pulled from the set
+	 * just freed.
+	 */
+	for (i = 0; i < 6; i++) {
+		val = idalloc_allocate(a);
+		assert(val < 3*IDS_PER_PAGE);
+		assert(allocated_markers[val] == 0);
+		assert(a->capacity == 3*IDS_PER_PAGE);
+		allocated_markers[val] = 1;
+	}
+
+	assert(a->capacity == 3*IDS_PER_PAGE);
+	assert(a->allocated == 3*IDS_PER_PAGE);
+
+	/* Walk each allocated ID. Free it, then re-allocate it back. */
+	for (i = 1; i < 3 * IDS_PER_PAGE - 1; i++) {
+		idalloc_free(a, i);
+		val = idalloc_allocate(a);
+		assert(val == i);
+		assert(a->capacity == 3*IDS_PER_PAGE);
+		assert(a->allocated == 3*IDS_PER_PAGE);
+	}
+	idalloc_destroy(a);
+
+	/* 5. Weird Reservations
+	 * idalloc_reserve exists primarily to black out low numbered IDs that
+	 * are reserved for special cases. However, we will test it for more
+	 * complex use cases to avoid unpleasant surprises.
+	 */
+
+	memset(allocated_markers, 0, sizeof(allocated_markers));
+	allocated_markers[IDALLOC_INVALID] = 1;
+
+	a = idalloc_new("Weird Reservations");
+
+	/* Start with 3 pages fully allocated. */
+	for (i = 0; i < 3 * IDS_PER_PAGE - 1; i++) {
+		val = idalloc_allocate(a);
+		assert(val < 3*IDS_PER_PAGE);
+		assert(allocated_markers[val] == 0);
+		allocated_markers[val] = 1;
+	}
+	assert(a->capacity == 3*IDS_PER_PAGE);
+	assert(a->allocated == 3*IDS_PER_PAGE);
+
+	/* Free a bit out of each of the three pages. Then reserve one of the
+	 * three freed IDs. Finally, allocate the other two freed IDs. Do this
+	 * each of three ways. (Reserve out of the first, seconds then third
+	 * page.)
+	 * The intent here is to exercise the rare cases on reserve_bit's
+	 * linked-list removal in the case that it is not removing the first
+	 * page with a free bit in its list of pages with free bits.
+	 */
+
+	for (pg = 0; pg < 3; pg++) {
+		/* free a bit out of each of the three pages */
+		for (i = 0; i < 3; i++) {
+			idalloc_free(a, i*IDS_PER_PAGE + 17);
+			allocated_markers[i*IDS_PER_PAGE + 17] = 0;
+		}
+
+		assert(a->capacity == 3*IDS_PER_PAGE);
+		assert(a->allocated == 3*IDS_PER_PAGE-3);
+
+		/* Reserve one of the freed IDs */
+		assert(idalloc_reserve(a, pg*IDS_PER_PAGE + 17) ==
+		       pg*IDS_PER_PAGE + 17);
+		allocated_markers[pg*IDS_PER_PAGE + 17] = 1;
+
+		assert(a->capacity == 3*IDS_PER_PAGE);
+		assert(a->allocated == 3*IDS_PER_PAGE-2);
+
+		/* Allocate the other two back */
+		for (i = 0; i < 2; i++) {
+			val = idalloc_allocate(a);
+			assert(val < 3*IDS_PER_PAGE);
+			assert(allocated_markers[val] == 0);
+			allocated_markers[val] = 1;
+		}
+		assert(a->capacity == 3*IDS_PER_PAGE);
+		assert(a->allocated == 3*IDS_PER_PAGE);
+	}
+	idalloc_destroy(a);
+
+	puts("ID Allocator test successful.\n");
+	return 0;
+}
diff --git a/tests/lib/test_idalloc.py b/tests/lib/test_idalloc.py
new file mode 100644
index 0000000..e2186dc
--- /dev/null
+++ b/tests/lib/test_idalloc.py
@@ -0,0 +1,8 @@
+import frrtest
+
+
+class TestIDAlloc(frrtest.TestMultiOut):
+    program = "./test_idalloc"
+
+
+TestIDAlloc.onesimple("ID Allocator test successful.")
diff --git a/tests/lib/test_memory.c b/tests/lib/test_memory.c
new file mode 100644
index 0000000..aba4c35
--- /dev/null
+++ b/tests/lib/test_memory.c
@@ -0,0 +1,106 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ */
+
+#include <zebra.h>
+#include <memory.h>
+
+DEFINE_MGROUP(TEST_MEMORY, "memory test");
+DEFINE_MTYPE_STATIC(TEST_MEMORY, TEST, "generic test mtype");
+
+/* Memory torture tests
+ *
+ * Tests below are generic but comments are focused on interaction with
+ * Paul's proposed memory 'quick' cache, which may never be included in
+ * CVS
+ */
+
+struct event_loop *master;
+
+#if 0 /* set to 1 to use system alloc directly */
+#undef XMALLOC
+#undef XCALLOC
+#undef XREALLOC
+#undef XFREE
+#define XMALLOC(T,S) malloc((S))
+#define XCALLOC(T,S) calloc(1, (S))
+#define XREALLOC(T,P,S) realloc((P),(S))
+#define XFREE(T,P) free((P))
+#endif
+
+#define TIMES 10
+
+int main(int argc, char **argv)
+{
+	void *a[10];
+	int i;
+
+	printf("malloc x, malloc x, free, malloc x, free free\n\n");
+	/* simple case, test cache */
+	for (i = 0; i < TIMES; i++) {
+		a[0] = XMALLOC(MTYPE_TEST, 1024);
+		memset(a[0], 1, 1024);
+		a[1] = XMALLOC(MTYPE_TEST, 1024);
+		memset(a[1], 1, 1024);
+		XFREE(MTYPE_TEST, a[0]); /* should go to cache */
+		a[0] = XMALLOC(MTYPE_TEST,
+			       1024); /* should be satisfied from cache */
+		XFREE(MTYPE_TEST, a[0]);
+		XFREE(MTYPE_TEST, a[1]);
+	}
+
+	printf("malloc x, malloc y, free x, malloc y, free free\n\n");
+	/* cache should go invalid, valid, invalid, etc.. */
+	for (i = 0; i < TIMES; i++) {
+		a[0] = XMALLOC(MTYPE_TEST, 512);
+		memset(a[0], 1, 512);
+		a[1] = XMALLOC(MTYPE_TEST, 1024); /* invalidate cache */
+		memset(a[1], 1, 1024);
+		XFREE(MTYPE_TEST, a[0]);
+		a[0] = XMALLOC(MTYPE_TEST, 1024);
+		XFREE(MTYPE_TEST, a[0]);
+		XFREE(MTYPE_TEST, a[1]);
+		/* cache should become valid again on next request */
+	}
+
+	printf("calloc\n\n");
+	/* test calloc */
+	for (i = 0; i < TIMES; i++) {
+		a[0] = XCALLOC(MTYPE_TEST, 1024);
+		memset(a[0], 1, 1024);
+		a[1] = XCALLOC(MTYPE_TEST, 512); /* invalidate cache */
+		memset(a[1], 1, 512);
+		XFREE(MTYPE_TEST, a[1]);
+		XFREE(MTYPE_TEST, a[0]);
+		/* alloc == 0, cache can become valid again on next request */
+	}
+
+	printf("calloc and realloc\n\n");
+	/* check calloc + realloc */
+	for (i = 0; i < TIMES; i++) {
+		printf("calloc a0 1024\n");
+		a[0] = XCALLOC(MTYPE_TEST, 1024);
+		memset(a[0], 1, 1024 / 2);
+
+		printf("calloc 1 1024\n");
+		a[1] = XCALLOC(MTYPE_TEST, 1024);
+		memset(a[1], 1, 1024 / 2);
+
+		printf("realloc 0 1024\n");
+		a[3] = XREALLOC(MTYPE_TEST, a[0], 2048); /* invalidate cache */
+		if (a[3] != NULL)
+			a[0] = a[3];
+		memset(a[0], 1, 1024);
+
+		printf("calloc 2 512\n");
+		a[2] = XCALLOC(MTYPE_TEST, 512);
+		memset(a[2], 1, 512);
+
+		printf("free 1 0 2\n");
+		XFREE(MTYPE_TEST, a[1]);
+		XFREE(MTYPE_TEST, a[0]);
+		XFREE(MTYPE_TEST, a[2]);
+		/* alloc == 0, cache valid next request */
+	}
+	return 0;
+}
diff --git a/tests/lib/test_nexthop.c b/tests/lib/test_nexthop.c
new file mode 100644
index 0000000..84732d6
--- /dev/null
+++ b/tests/lib/test_nexthop.c
@@ -0,0 +1,186 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Nexthop module test.
+ *
+ * Copyright (C) 2021 by Volta Networks, Inc.
+ */
+
+#include <zebra.h>
+#include <nexthop.h>
+
+static bool verbose;
+
+static void test_run_first(void)
+{
+	int ret, i;
+	struct nexthop *nh1, *nh2;
+	struct in_addr addr;
+	struct in6_addr addr6;
+	mpls_label_t labels[MPLS_MAX_LABELS];
+
+	/* Test comparison apis */
+
+	/* ifindex comparisons */
+	nh1 = nexthop_from_ifindex(11, 0);
+	nh2 = nexthop_from_ifindex(12, 0);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret < 0);
+
+	nexthop_free(nh1);
+	nh1 = nexthop_from_ifindex(12, 0);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret == 0);
+
+	nexthop_free(nh1);
+	nexthop_free(nh2);
+
+	/* ipv4, vrf */
+	addr.s_addr = 0x04030201;
+	nh1 = nexthop_from_ipv4(&addr, NULL, 0);
+	nh2 = nexthop_from_ipv4(&addr, NULL, 111);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret != 0);
+
+	nexthop_free(nh2);
+
+	addr.s_addr = 0x04030202;
+	nh2 = nexthop_from_ipv4(&addr, NULL, 0);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret != 0);
+
+	nexthop_free(nh2);
+
+	addr.s_addr = 0x04030201;
+	nh2 = nexthop_from_ipv4(&addr, NULL, 0);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret == 0);
+
+	/* Weight */
+	nh2->weight = 20;
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret != 0);
+
+	nexthop_free(nh1);
+	nexthop_free(nh2);
+
+	/* ipv6 */
+	memset(addr6.s6_addr, 0, sizeof(addr6.s6_addr));
+	nh1 = nexthop_from_ipv6(&addr6, 0);
+	nh2 = nexthop_from_ipv6(&addr6, 0);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret == 0);
+
+	nexthop_free(nh2);
+
+	nh2 = nexthop_from_ipv6(&addr6, 1);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret != 0);
+
+	nexthop_free(nh2);
+
+	addr6.s6_addr[14] = 1;
+	addr6.s6_addr[15] = 1;
+	nh2 = nexthop_from_ipv6(&addr6, 0);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret != 0);
+
+	nexthop_free(nh1);
+	nexthop_free(nh2);
+
+	/* Blackhole */
+	nh1 = nexthop_from_blackhole(BLACKHOLE_REJECT, 0);
+	nh2 = nexthop_from_blackhole(BLACKHOLE_REJECT, 0);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret == 0);
+
+	nexthop_free(nh2);
+
+	nh2 = nexthop_from_blackhole(BLACKHOLE_NULL, 0);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret != 0);
+
+	/* Labels */
+	addr.s_addr = 0x04030201;
+	nh1 = nexthop_from_ipv4(&addr, NULL, 0);
+	nh2 = nexthop_from_ipv4(&addr, NULL, 0);
+
+	memset(labels, 0, sizeof(labels));
+	labels[0] = 111;
+	labels[1] = 222;
+
+	nexthop_add_labels(nh1, ZEBRA_LSP_STATIC, 2, labels);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret != 0);
+
+	nexthop_add_labels(nh2, ZEBRA_LSP_STATIC, 2, labels);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret == 0);
+
+	nexthop_free(nh2);
+
+	/* LSP type isn't included */
+	nh2 = nexthop_from_ipv4(&addr, NULL, 0);
+	nexthop_add_labels(nh2, ZEBRA_LSP_LDP, 2, labels);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret == 0);
+
+	nexthop_free(nh2);
+
+	labels[2] = 333;
+	nh2 = nexthop_from_ipv4(&addr, NULL, 0);
+	nexthop_add_labels(nh2, ZEBRA_LSP_LDP, 3, labels);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret != 0);
+
+	nexthop_free(nh1);
+	nexthop_free(nh2);
+
+	nh1 = nexthop_from_ipv4(&addr, NULL, 0);
+	nh2 = nexthop_from_ipv4(&addr, NULL, 0);
+
+	for (i = 0; i < MPLS_MAX_LABELS; i++)
+		labels[i] = 111 * (i + 1);
+
+	nexthop_add_labels(nh1, ZEBRA_LSP_LDP, MPLS_MAX_LABELS, labels);
+	nexthop_add_labels(nh2, ZEBRA_LSP_LDP, MPLS_MAX_LABELS, labels);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret == 0);
+
+	nexthop_free(nh2);
+
+	/* Test very last label in stack */
+	labels[15] = 999;
+	nh2 = nexthop_from_ipv4(&addr, NULL, 0);
+	nexthop_add_labels(nh2, ZEBRA_LSP_LDP, MPLS_MAX_LABELS, labels);
+
+	ret = nexthop_cmp_basic(nh1, nh2);
+	assert(ret != 0);
+
+	/* End */
+	nexthop_free(nh1);
+	nexthop_free(nh2);
+}
+
+int main(int argc, char **argv)
+{
+	if (argc >= 2 && !strcmp("-v", argv[1]))
+		verbose = true;
+	test_run_first();
+	printf("Simple test passed.\n");
+}
diff --git a/tests/lib/test_nexthop.py b/tests/lib/test_nexthop.py
new file mode 100644
index 0000000..81bfa43
--- /dev/null
+++ b/tests/lib/test_nexthop.py
@@ -0,0 +1,8 @@
+import frrtest
+
+
+class TestNexthopIter(frrtest.TestMultiOut):
+    program = "./test_nexthop"
+
+
+TestNexthopIter.onesimple("Simple test passed.")
diff --git a/tests/lib/test_nexthop_iter.c b/tests/lib/test_nexthop_iter.c
new file mode 100644
index 0000000..33ff116
--- /dev/null
+++ b/tests/lib/test_nexthop_iter.c
@@ -0,0 +1,300 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Recursive Nexthop Iterator test.
+ * This tests the ALL_NEXTHOPS macro.
+ *
+ * Copyright (C) 2012 by Open Source Routing.
+ * Copyright (C) 2012 by Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This file is part of Quagga
+ */
+
+#include <zebra.h>
+#include "zebra/rib.h"
+#include "prng.h"
+
+struct event_loop *master;
+static int verbose;
+
+static void str_append(char **buf, const char *repr)
+{
+	if (*buf) {
+		size_t new_size = strlen(*buf) + strlen(repr) + 1;
+		*buf = realloc(*buf, new_size);
+		assert(*buf);
+		(void)strlcat(*buf, repr, new_size);
+	} else {
+		*buf = strdup(repr);
+		assert(*buf);
+	}
+}
+
+PRINTFRR(2, 3)
+static void str_appendf(char **buf, const char *format, ...)
+{
+	va_list ap;
+	int rv;
+	char *pbuf;
+
+	va_start(ap, format);
+	rv = vasprintf(&pbuf, format, ap);
+	va_end(ap);
+	assert(rv >= 0);
+
+	str_append(buf, pbuf);
+	free(pbuf);
+}
+
+/* This structure contains a nexthop chain
+ * and its expected representation */
+struct nexthop_chain {
+	/* Head of the chain */
+	struct nexthop_group head;
+	/* Last nexthop in top chain */
+	struct nexthop *current_top;
+	/* Last nexthop in current recursive chain */
+	struct nexthop *current_recursive;
+	/* Expected string representation. */
+	char *repr;
+};
+
+static struct nexthop_chain *nexthop_chain_new(void)
+{
+	struct nexthop_chain *rv;
+
+	rv = calloc(sizeof(*rv), 1);
+	assert(rv);
+	return rv;
+}
+
+static void nexthop_chain_add_top(struct nexthop_chain *nc)
+{
+	struct nexthop *nh;
+
+	nh = calloc(sizeof(*nh), 1);
+	assert(nh);
+
+	if (nc->head.nexthop) {
+		nc->current_top->next = nh;
+		nh->prev = nc->current_top;
+		nc->current_top = nh;
+	} else {
+		nc->head.nexthop = nc->current_top = nh;
+	}
+	nc->current_recursive = NULL;
+	str_appendf(&nc->repr, "%p\n", nh);
+}
+
+static void add_string_representation(char **repr, struct nexthop *nh)
+{
+	struct nexthop *parent;
+
+	/* add indentations first */
+	parent = nh->rparent;
+	while (parent) {
+		str_appendf(repr, "  ");
+		parent = parent->rparent;
+	}
+	str_appendf(repr, "%p\n", nh);
+}
+
+static void start_recursive_chain(struct nexthop_chain *nc, struct nexthop *nh)
+{
+	SET_FLAG(nc->current_top->flags, NEXTHOP_FLAG_RECURSIVE);
+	nc->current_top->resolved = nh;
+	nh->rparent = nc->current_top;
+	nc->current_recursive = nh;
+}
+static void nexthop_chain_add_recursive(struct nexthop_chain *nc)
+{
+	struct nexthop *nh;
+
+	nh = calloc(sizeof(*nh), 1);
+	assert(nh);
+
+	assert(nc->current_top);
+	if (nc->current_recursive) {
+		nc->current_recursive->next = nh;
+		nh->prev = nc->current_recursive;
+		nh->rparent = nc->current_recursive->rparent;
+		nc->current_recursive = nh;
+	} else
+		start_recursive_chain(nc, nh);
+
+	add_string_representation(&nc->repr, nh);
+}
+
+static void nexthop_chain_add_recursive_level(struct nexthop_chain *nc)
+{
+	struct nexthop *nh;
+
+	nh = calloc(sizeof(*nh), 1);
+	assert(nh);
+
+	assert(nc->current_top);
+	if (nc->current_recursive) {
+		SET_FLAG(nc->current_recursive->flags, NEXTHOP_FLAG_RECURSIVE);
+		nc->current_recursive->resolved = nh;
+		nh->rparent = nc->current_recursive;
+		nc->current_recursive = nh;
+	} else
+		start_recursive_chain(nc, nh);
+
+	add_string_representation(&nc->repr, nh);
+}
+
+static void nexthop_clear_recursive(struct nexthop *tcur)
+{
+	if (!tcur)
+		return;
+	if (CHECK_FLAG(tcur->flags, NEXTHOP_FLAG_RECURSIVE))
+		nexthop_clear_recursive(tcur->resolved);
+	if (tcur->next)
+		nexthop_clear_recursive(tcur->next);
+	free(tcur);
+}
+static void nexthop_chain_clear(struct nexthop_chain *nc)
+{
+	nexthop_clear_recursive(nc->head.nexthop);
+	nc->head.nexthop = nc->current_top = nc->current_recursive = NULL;
+	free(nc->repr);
+	nc->repr = NULL;
+}
+
+static void nexthop_chain_free(struct nexthop_chain *nc)
+{
+	if (!nc)
+		return;
+	nexthop_chain_clear(nc);
+	free(nc);
+}
+
+/* This function builds a string representation of
+ * the nexthop chain using the ALL_NEXTHOPS macro.
+ * It verifies that the ALL_NEXTHOPS macro iterated
+ * correctly over the nexthop chain by comparing the
+ * generated representation with the expected representation.
+ */
+static void nexthop_chain_verify_iter(struct nexthop_chain *nc)
+{
+	struct nexthop *nh;
+	char *repr = NULL;
+
+	for (ALL_NEXTHOPS(nc->head, nh))
+		add_string_representation(&repr, nh);
+
+	if (repr && verbose)
+		printf("===\n%s", repr);
+	assert((!repr && !nc->repr)
+	       || (repr && nc->repr && !strcmp(repr, nc->repr)));
+	free(repr);
+}
+
+/* This test run builds a simple nexthop chain
+ * with some recursive nexthops and verifies that
+ * the iterator works correctly in each stage along
+ * the way.
+ */
+static void test_run_first(void)
+{
+	struct nexthop_chain *nc;
+
+	nc = nexthop_chain_new();
+	nexthop_chain_verify_iter(nc);
+
+	nexthop_chain_add_top(nc);
+	nexthop_chain_verify_iter(nc);
+
+	nexthop_chain_add_top(nc);
+	nexthop_chain_verify_iter(nc);
+
+	nexthop_chain_add_recursive(nc);
+	nexthop_chain_verify_iter(nc);
+
+	nexthop_chain_add_recursive(nc);
+	nexthop_chain_verify_iter(nc);
+
+	nexthop_chain_add_top(nc);
+	nexthop_chain_verify_iter(nc);
+
+	nexthop_chain_add_top(nc);
+	nexthop_chain_verify_iter(nc);
+
+	nexthop_chain_add_top(nc);
+	nexthop_chain_verify_iter(nc);
+
+	nexthop_chain_add_recursive(nc);
+	nexthop_chain_verify_iter(nc);
+
+	nexthop_chain_add_recursive(nc);
+	nexthop_chain_verify_iter(nc);
+
+	nexthop_chain_add_recursive(nc);
+	nexthop_chain_verify_iter(nc);
+
+	nexthop_chain_add_recursive_level(nc);
+	nexthop_chain_verify_iter(nc);
+
+	nexthop_chain_add_recursive(nc);
+	nexthop_chain_verify_iter(nc);
+
+	nexthop_chain_add_recursive(nc);
+	nexthop_chain_verify_iter(nc);
+
+	nexthop_chain_add_top(nc);
+	nexthop_chain_verify_iter(nc);
+
+	nexthop_chain_free(nc);
+}
+
+/* This test run builds numerous random
+ * nexthop chain configurations and verifies
+ * that the iterator correctly progresses
+ * through each. */
+static void test_run_prng(void)
+{
+	struct nexthop_chain *nc;
+	struct prng *prng;
+	int i;
+
+	nc = nexthop_chain_new();
+	prng = prng_new(0);
+
+	for (i = 0; i < 1000000; i++) {
+		switch (prng_rand(prng) % 10) {
+		case 0:
+			nexthop_chain_clear(nc);
+			break;
+		case 1:
+		case 2:
+		case 3:
+		case 4:
+		case 5:
+			nexthop_chain_add_top(nc);
+			break;
+		case 6:
+		case 7:
+		case 8:
+			if (nc->current_top)
+				nexthop_chain_add_recursive(nc);
+			break;
+		case 9:
+			if (nc->current_top)
+				nexthop_chain_add_recursive_level(nc);
+			break;
+		}
+		nexthop_chain_verify_iter(nc);
+	}
+	nexthop_chain_free(nc);
+	prng_free(prng);
+}
+
+int main(int argc, char **argv)
+{
+	if (argc >= 2 && !strcmp("-v", argv[1]))
+		verbose = 1;
+	test_run_first();
+	printf("Simple test passed.\n");
+	test_run_prng();
+	printf("PRNG test passed.\n");
+}
diff --git a/tests/lib/test_nexthop_iter.py b/tests/lib/test_nexthop_iter.py
new file mode 100644
index 0000000..0c39dce
--- /dev/null
+++ b/tests/lib/test_nexthop_iter.py
@@ -0,0 +1,9 @@
+import frrtest
+
+
+class TestNexthopIter(frrtest.TestMultiOut):
+    program = "./test_nexthop_iter"
+
+
+TestNexthopIter.onesimple("Simple test passed.")
+TestNexthopIter.onesimple("PRNG test passed.")
diff --git a/tests/lib/test_ntop.c b/tests/lib/test_ntop.c
new file mode 100644
index 0000000..d357047
--- /dev/null
+++ b/tests/lib/test_ntop.c
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * frr_inet_ntop() unit test
+ * Copyright (C) 2019  David Lamparter
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <assert.h>
+
+#include "tests/helpers/c/prng.h"
+
+/* NB: libfrr is NOT linked for this unit test! */
+
+#define INET_NTOP_NO_OVERRIDE
+#include "lib/ntop.c"
+
+int main(int argc, char **argv)
+{
+	size_t i, j, k, l;
+	struct in_addr i4;
+	struct in6_addr i6, i6check;
+	char buf1[64], buf2[64];
+	const char *rv;
+	struct prng *prng;
+
+	prng = prng_new(0);
+	/* IPv4 */
+	for (i = 0; i < 1000; i++) {
+		i4.s_addr = prng_rand(prng);
+		assert(frr_inet_ntop(AF_INET, &i4, buf1, sizeof(buf1)));
+		assert(inet_ntop(AF_INET, &i4, buf2, sizeof(buf2)));
+		assert(!strcmp(buf1, buf2));
+	}
+
+	/* check size limit */
+	for (i = 0; i < sizeof(buf1); i++) {
+		memset(buf2, 0xcc, sizeof(buf2));
+		rv = frr_inet_ntop(AF_INET, &i4, buf2, i);
+		if (i < strlen(buf1) + 1)
+			assert(!rv);
+		else
+			assert(rv && !strcmp(buf1, buf2));
+	}
+
+	/* IPv6 */
+	for (i = 0; i < 10000; i++) {
+		uint16_t *i6w = (uint16_t *)&i6;
+		for (j = 0; j < 8; j++)
+			i6w[j] = prng_rand(prng);
+
+		/* clear some words */
+		l = prng_rand(prng) & 7;
+		for (j = 0; j < l; j++) {
+			uint32_t num = __builtin_ctz(prng_rand(prng));
+			uint32_t where = prng_rand(prng) & 7;
+
+			for (k = where; k < where + num && k < 8; k++)
+				i6w[k] = 0;
+		}
+
+		assert(frr_inet_ntop(AF_INET6, &i6, buf1, sizeof(buf1)));
+		assert(inet_ntop(AF_INET6, &i6, buf2, sizeof(buf2)));
+		if (strcmp(buf1, buf2))
+			printf("%-40s (FRR) != (SYS) %-40s\n", buf1, buf2);
+
+		assert(inet_pton(AF_INET6, buf1, &i6check));
+		assert(!memcmp(&i6, &i6check, sizeof(i6)));
+	}
+	return 0;
+}
diff --git a/tests/lib/test_ntop.py b/tests/lib/test_ntop.py
new file mode 100644
index 0000000..69c4353
--- /dev/null
+++ b/tests/lib/test_ntop.py
@@ -0,0 +1,8 @@
+import frrtest
+
+
+class TestNtop(frrtest.TestMultiOut):
+    program = "./test_ntop"
+
+
+TestNtop.exit_cleanly()
diff --git a/tests/lib/test_plist.c b/tests/lib/test_plist.c
new file mode 100644
index 0000000..bfad766
--- /dev/null
+++ b/tests/lib/test_plist.c
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Simple prefix list querying tool
+ *
+ * Copyright (C) 2021 by David Lamparter,
+ *                   for Open Source Routing / NetDEF, Inc.
+ */
+
+#include <zebra.h>
+
+#include "lib/plist.h"
+#include "lib/filter.h"
+#include "tests/lib/cli/common_cli.h"
+
+static const struct frr_yang_module_info *const my_yang_modules[] = {
+	&frr_filter_info,
+	NULL,
+};
+
+__attribute__((_CONSTRUCTOR(2000)))
+static void test_yang_modules_set(void)
+{
+	test_yang_modules = my_yang_modules;
+}
+
+void test_init(int argc, char **argv)
+{
+	prefix_list_init();
+	filter_cli_init();
+
+	/* nothing else to do here, giving stand-alone access to the prefix
+	 * list code's "debug prefix-list ..." command is the only purpose of
+	 * this "test".
+	 */
+}
diff --git a/tests/lib/test_prefix2str.c b/tests/lib/test_prefix2str.c
new file mode 100644
index 0000000..9d837ee
--- /dev/null
+++ b/tests/lib/test_prefix2str.c
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * prefix2str() unit test
+ * Copyright (C) 2019  David Lamparter
+ * Portions:
+ *     Copyright (C) 2019  Cumulus Networks, Inc
+ *     Quentin Young
+ */
+#include <zebra.h>
+
+#include "lib/prefix.h"
+
+#include "tests/helpers/c/prng.h"
+
+int main(int argc, char **argv)
+{
+	size_t i, j, k, l;
+	struct in6_addr i6;
+	char buf1[64], buf2[64], ntopbuf[64];
+	struct prng *prng;
+	struct prefix p = {};
+
+	prng = prng_new(0);
+	/* IPv4 */
+	p.family = AF_INET;
+	for (i = 0; i < 1000; i++) {
+		p.u.prefix = prng_rand(prng);
+		p.prefixlen = prng_rand(prng) >> 26;
+		snprintf(buf1, sizeof(buf1), "%s/%d",
+			 inet_ntop(AF_INET, &p.u.prefix4, ntopbuf,
+				   sizeof(ntopbuf)),
+			 p.prefixlen);
+		prefix2str(&p, buf2, sizeof(buf2));
+		assert(!strcmp(buf1, buf2));
+		fprintf(stdout, "%s\n", buf1);
+	}
+
+	/* IPv6 */
+	p.family = AF_INET6;
+	for (i = 0; i < 10000; i++) {
+		uint16_t *i6w = (uint16_t *)&i6;
+		for (j = 0; j < 8; j++)
+			i6w[j] = prng_rand(prng);
+
+		/* clear some words */
+		l = prng_rand(prng) & 7;
+		for (j = 0; j < l; j++) {
+			uint32_t num = __builtin_ctz(prng_rand(prng));
+			uint32_t where = prng_rand(prng) & 7;
+
+			for (k = where; k < where + num && k < 8; k++)
+				i6w[k] = 0;
+		}
+
+		p.prefixlen = prng_rand(prng) >> 24;
+		memcpy(&p.u.prefix, &i6, sizeof(i6));
+		snprintf(buf1, sizeof(buf1), "%s/%d",
+			 inet_ntop(AF_INET6, &p.u.prefix6, ntopbuf,
+				   sizeof(ntopbuf)),
+			 p.prefixlen);
+		prefix2str(&p, buf2, sizeof(buf2));
+		assert(!strcmp(buf1, buf2));
+		fprintf(stdout, "%s\n", buf1);
+	}
+
+	return 0;
+}
diff --git a/tests/lib/test_prefix2str.py b/tests/lib/test_prefix2str.py
new file mode 100644
index 0000000..fd883ed
--- /dev/null
+++ b/tests/lib/test_prefix2str.py
@@ -0,0 +1,8 @@
+import frrtest
+
+
+class TestPrefix2str(frrtest.TestMultiOut):
+    program = "./test_prefix2str"
+
+
+TestPrefix2str.exit_cleanly()
diff --git a/tests/lib/test_printfrr.c b/tests/lib/test_printfrr.c
new file mode 100644
index 0000000..66699ec
--- /dev/null
+++ b/tests/lib/test_printfrr.c
@@ -0,0 +1,409 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * printfrr() unit test
+ * Copyright (C) 2019  David Lamparter
+ */
+
+#include "zebra.h"
+
+#include <math.h>
+
+#include "lib/printfrr.h"
+#include "lib/memory.h"
+#include "lib/prefix.h"
+#include "lib/nexthop.h"
+#include "lib/asn.h"
+
+static int errors;
+
+static void printcmp(const char *fmt, ...) PRINTFRR(1, 2);
+static void printcmp(const char *fmt, ...)
+{
+	va_list ap;
+	char buf[256], bufrr[256], *p;
+	int cmp;
+	memset(bufrr, 0xcc, sizeof(bufrr));
+
+	va_start(ap, fmt);
+	vsnprintf(buf, sizeof(buf), fmt, ap);
+	va_end(ap);
+
+	va_start(ap, fmt);
+	vsnprintfrr(bufrr, sizeof(bufrr), fmt, ap);
+	va_end(ap);
+
+	cmp = strcmp(buf, bufrr);
+
+	/* OS dependent "+nan" vs. "nan" */
+	if (cmp && (p = strstr(bufrr, "+nan"))) {
+		p[0] = ' ';
+		if (!strcmp(buf, bufrr))
+			cmp = 0;
+		p[0] = '+';
+	}
+	printf("fmt: \"%s\"\nsys: \"%s\"\nfrr: \"%s\"\n%s\n\n",
+	       fmt, buf, bufrr, cmp ? "ERROR" : "ok");
+
+	if (cmp)
+		errors++;
+}
+
+static int printchk(const char *ref, const char *fmt, ...) PRINTFRR(2, 3);
+static int printchk(const char *ref, const char *fmt, ...)
+{
+	va_list ap;
+	char bufrr[256];
+	bool truncfail = false;
+	size_t i;
+	size_t expectlen;
+
+	memset(bufrr, 0xcc, sizeof(bufrr));
+
+	va_start(ap, fmt);
+	expectlen = vsnprintfrr(NULL, 0, fmt, ap);
+	va_end(ap);
+
+	va_start(ap, fmt);
+	vsnprintfrr(bufrr, 7, fmt, ap);
+	va_end(ap);
+
+	if (strnlen(bufrr, 7) == 7)
+		truncfail = true;
+	if (strnlen(bufrr, 7) < 7 && strncmp(ref, bufrr, 6) != 0)
+		truncfail = true;
+	for (i = 7; i < sizeof(bufrr); i++)
+		if (bufrr[i] != (char)0xcc) {
+			truncfail = true;
+			break;
+		}
+
+	if (truncfail) {
+		printf("truncation test FAILED:\n"
+		       "fmt: \"%s\"\nref: \"%s\"\nfrr[:7]: \"%s\"\n%s\n\n",
+		       fmt, ref, bufrr, strcmp(ref, bufrr) ? "ERROR" : "ok");
+		errors++;
+	}
+
+	struct fmt_outpos outpos[16];
+	struct fbuf fb = {
+		.buf = bufrr,
+		.pos = bufrr,
+		.len = sizeof(bufrr) - 1,
+		.outpos = outpos,
+		.outpos_n = array_size(outpos),
+	};
+
+	va_start(ap, fmt);
+	vbprintfrr(&fb, fmt, ap);
+	fb.pos[0] = '\0';
+	va_end(ap);
+
+	printf("fmt: \"%s\"\nref: \"%s\"\nfrr: \"%s\"\n%s\n",
+	       fmt, ref, bufrr, strcmp(ref, bufrr) ? "ERROR" : "ok");
+	if (strcmp(ref, bufrr))
+		errors++;
+	if (strlen(bufrr) != expectlen) {
+		printf("return value <> length mismatch\n");
+		errors++;
+	}
+
+	for (size_t i = 0; i < fb.outpos_i; i++)
+		printf("\t[%zu: %u..%u] = \"%.*s\"\n", i,
+			outpos[i].off_start,
+			outpos[i].off_end,
+			(int)(outpos[i].off_end - outpos[i].off_start),
+			bufrr + outpos[i].off_start);
+	printf("\n");
+	return 0;
+}
+
+static void test_va(const char *ref, const char *fmt, ...) PRINTFRR(2, 3);
+static void test_va(const char *ref, const char *fmt, ...)
+{
+	struct va_format vaf;
+	va_list ap;
+
+	va_start(ap, fmt);
+	vaf.fmt = fmt;
+	vaf.va = &ap;
+
+	printchk(ref, "VA [%pVA] %s", &vaf, "--");
+
+	va_end(ap);
+}
+
+int main(int argc, char **argv)
+{
+	size_t i;
+	float flts[] = {
+		123.456789,
+		23.456789e-30,
+		3.456789e+30,
+		INFINITY,
+		NAN,
+	};
+	uint64_t ui64 = 0xfeed1278cafef00d;
+	struct in_addr ip;
+	char *p;
+	char buf[256];
+	as_t asn;
+
+	printcmp("%d %u %d %u", 123, 123, -456, -456);
+	printcmp("%lld %llu %lld %llu", 123LL, 123LL, -456LL, -456LL);
+
+	printcmp("%-20s,%20s,%.20s", "test", "test", "test");
+	printcmp("%-3s,%3s,%.3s", "test", "test", "test");
+	printcmp("%-6.3s,%6.3s,%6.3s", "test", "test", "test");
+	printcmp("%*s,%*s,%.*s", -3, "test", 3, "test", 3, "test");
+
+	for (i = 0; i < array_size(flts); i++) {
+		printcmp("%-6.3e,%6.3e,%+06.3e", flts[i], flts[i], flts[i]);
+		printcmp("%-6.3f,%6.3f,%+06.3f", flts[i], flts[i], flts[i]);
+		printcmp("%-6.3g,%6.3g,%+06.3g", flts[i], flts[i], flts[i]);
+		printcmp("%-6.3a,%6.3a,%+06.3a", flts[i], flts[i], flts[i]);
+	}
+
+	printchk("-77385308584349683 18369358765125201933 feed1278cafef00d",
+		 "%Ld %Lu %Lx", ui64, ui64, ui64);
+
+	FMT_NSTD(printchk("11110000000011111010010111000011", "%b", 0xf00fa5c3));
+	FMT_NSTD(printchk("0b01011010", "%#010b", 0x5a));
+
+	inet_aton("192.168.1.2", &ip);
+	printchk("192.168.1.2", "%pI4", &ip);
+	printchk("         192.168.1.2", "%20pI4", &ip);
+	printchk("192.168.1.2         ", "%-20pI4", &ip);
+
+	printcmp("%p", &ip);
+
+	test_va("VA [192.168.1.2 1234] --", "%pI4 %u", &ip, 1234);
+
+	inet_aton("0.0.0.0", &ip);
+	printchk("0.0.0.0", "%pI4", &ip);
+	printchk("*", "%pI4s", &ip);
+
+	snprintfrr(buf, sizeof(buf), "test%s", "#1");
+	csnprintfrr(buf, sizeof(buf), "test%s", "#2");
+	assert(strcmp(buf, "test#1test#2") == 0);
+
+	p = asnprintfrr(MTYPE_TMP, buf, sizeof(buf), "test%s", "#3");
+	assert(p == buf);
+	assert(strcmp(buf, "test#3") == 0);
+
+	p = asnprintfrr(MTYPE_TMP, buf, 4, "test%s", "#4");
+	assert(p != buf);
+	assert(strcmp(p, "test#4") == 0);
+	XFREE(MTYPE_TMP, p);
+
+	p = asprintfrr(MTYPE_TMP, "test%s", "#5");
+	assert(strcmp(p, "test#5") == 0);
+	XFREE(MTYPE_TMP, p);
+
+	struct prefix pfx;
+
+	str2prefix("192.168.1.23/24", &pfx);
+	printchk("192.168.1.23/24", "%pFX", &pfx);
+	printchk("192.168.1.23", "%pFXh", &pfx);
+
+	str2prefix("2001:db8::1234/64", &pfx);
+	printchk("2001:db8::1234/64", "%pFX", &pfx);
+	printchk("2001:db8::1234", "%pFXh", &pfx);
+
+	pfx.family = AF_UNIX;
+	printchk("UNK prefix", "%pFX", &pfx);
+	printchk("{prefix.af=AF_UNIX}", "%pFXh", &pfx);
+
+	str2prefix_eth("02:ca:fe:f0:0d:1e/48", (struct prefix_eth *)&pfx);
+	printchk("02:ca:fe:f0:0d:1e/48", "%pFX", &pfx);
+	printchk("02:ca:fe:f0:0d:1e", "%pFXh", &pfx);
+
+	struct prefix_sg sg;
+	sg.src.s_addr = INADDR_ANY;
+	sg.grp.s_addr = INADDR_ANY;
+	printchk("(*,*)", "%pPSG4", &sg);
+
+	inet_aton("192.168.1.2", &sg.src);
+	printchk("(192.168.1.2,*)", "%pPSG4", &sg);
+
+	inet_aton("224.1.2.3", &sg.grp);
+	printchk("(192.168.1.2,224.1.2.3)", "%pPSG4", &sg);
+
+	sg.src.s_addr = INADDR_ANY;
+	printchk("(*,224.1.2.3)", "%pPSG4", &sg);
+
+	uint8_t randhex[] = { 0x12, 0x34, 0x00, 0xca, 0xfe, 0x00, 0xaa, 0x55 };
+
+	FMT_NSTD(printchk("12 34 00 ca fe 00 aa 55", "%.8pHX", randhex));
+	FMT_NSTD(printchk("12 34 00 ca fe 00 aa 55", "%.*pHX",
+		 (int)sizeof(randhex), randhex));
+	FMT_NSTD(printchk("12 34 00 ca", "%.4pHX", randhex));
+
+	printchk("12 34 00 ca fe 00 aa 55", "%8pHX", randhex);
+	printchk("12 34 00 ca fe 00 aa 55", "%*pHX",
+		 (int)sizeof(randhex), randhex);
+	printchk("12 34 00 ca", "%4pHX", randhex);
+
+	printchk("", "%pHX", randhex);
+
+	printchk("12:34:00:ca:fe:00:aa:55", "%8pHXc", randhex);
+	printchk("123400cafe00aa55", "%8pHXn", randhex);
+
+	printchk("/test/pa\\ th/\\~spe\\ncial\\x01/file.name", "%pSE",
+		 "/test/pa th/~spe\ncial\x01/file.name");
+	printchk("/test/pa\\ th/\\~spe\\n", "%17pSE",
+		 "/test/pa th/~spe\ncial\x01/file.name");
+
+	char nulltest[] = { 'n', 'u', 0, 'l', 'l' };
+
+	printchk("nu\\x00ll", "%5pSE", nulltest);
+	printchk("nu\\x00ll", "%*pSE", 5, nulltest);
+
+	printchk("bl\\\"ah\\x01te[st\\nab]c", "%pSQ",
+		 "bl\"ah\x01te[st\nab]c");
+	printchk("\"bl\\\"ah\\x01te[st\\nab]c\"", "%pSQq",
+		 "bl\"ah\x01te[st\nab]c");
+	printchk("\"bl\\\"ah\\x01te[st\\x0aab\\]c\"", "%pSQqs",
+		 "bl\"ah\x01te[st\nab]c");
+	printchk("\"\"", "%pSQqn", "");
+	printchk("\"\"", "%pSQqn", (char *)NULL);
+	printchk("(null)", "%pSQq", (char *)NULL);
+
+	/*
+	 * %pNH<foo> tests
+	 *
+	 * gateway addresses only for now: interfaces require more setup
+	 */
+	printchk("(null)", "%pNHcg", (struct nexthop *)NULL);
+	printchk("(null)", "%pNHci", (struct nexthop *)NULL);
+
+	struct nexthop nh;
+
+	memset(&nh, 0, sizeof(nh));
+
+	nh.type = NEXTHOP_TYPE_IPV4;
+	inet_aton("3.2.1.0", &nh.gate.ipv4);
+	printchk("3.2.1.0", "%pNHcg", &nh);
+
+	nh.type = NEXTHOP_TYPE_IPV6;
+	inet_pton(AF_INET6, "fe2c::34", &nh.gate.ipv6);
+	printchk("fe2c::34", "%pNHcg", &nh);
+
+	/* time printing */
+
+	/* need a non-UTC timezone for testing */
+	setenv("TZ", "TEST-01:00", 1);
+	tzset();
+
+	struct timespec ts;
+	struct timeval tv;
+	time_t tt;
+
+	ts.tv_sec = tv.tv_sec = tt = 1642015880;
+	ts.tv_nsec = 123456789;
+	tv.tv_usec = 234567;
+
+	printchk("Wed Jan 12 20:31:20 2022", "%pTSR", &ts);
+	printchk("Wed Jan 12 20:31:20 2022", "%pTVR", &tv);
+	printchk("Wed Jan 12 20:31:20 2022", "%pTTR", &tt);
+
+	FMT_NSTD(printchk("Wed Jan 12 20:31:20 2022", "%.3pTSR", &ts));
+
+	printchk("2022-01-12T20:31:20.123", "%pTSRi", &ts);
+	printchk("2022-01-12 20:31:20.123", "%pTSRip", &ts);
+	printchk("2022-01-12 20:31:20.123", "%pTSRpi", &ts);
+	FMT_NSTD(printchk("2022-01-12T20:31:20", "%.0pTSRi", &ts));
+	FMT_NSTD(printchk("2022-01-12T20:31:20.123456789", "%.9pTSRi", &ts));
+	FMT_NSTD(printchk("2022-01-12T20:31:20", "%.3pTTRi", &tt));
+
+	ts.tv_sec = tv.tv_sec = tt = 9 * 86400 + 12345;
+
+	printchk("1w 2d 03:25:45.123", "%pTSIp", &ts);
+	printchk("1w2d03:25:45.123", "%pTSI", &ts);
+	printchk("1w2d03:25:45.234", "%pTVI", &tv);
+	printchk("1w2d03:25:45", "%pTTI", &tt);
+
+	printchk("1w 2d 03h", "%pTVItp", &tv);
+	printchk("1w2d03h", "%pTSIt", &ts);
+
+	printchk("219:25:45", "%pTVIh", &tv);
+	printchk("13165:45", "%pTVIm", &tv);
+
+	ts.tv_sec = tv.tv_sec = tt = 1 * 86400 + 12345;
+
+	printchk("1d 03:25:45.123", "%pTSIp", &ts);
+	printchk("1d03:25:45.234", "%pTVI", &tv);
+
+	printchk("1d 03h 25m", "%pTVItp", &tv);
+	printchk("1d03h25m", "%pTSIt", &ts);
+
+	printchk("98745.234", "%pTVId", &tv);
+
+	printchk("27:25:45", "%pTVIh", &tv);
+	printchk("1645:45", "%pTVIm", &tv);
+
+	ts.tv_sec = tv.tv_sec = tt = 12345;
+
+	printchk("03:25:45.123", "%pTSIp", &ts);
+	printchk("03:25:45.123", "%pTSI", &ts);
+	printchk("03:25:45.234", "%pTVI", &tv);
+	printchk("03:25:45", "%pTTI", &tt);
+
+	printchk("03:25:45", "%pTSItp", &ts);
+	printchk("03:25:45", "%pTVIt", &tv);
+
+	printchk("12345.234", "%pTVId", &tv);
+
+	printchk("03:25:45", "%pTVIh", &tv);
+	printchk("205:45", "%pTVIm", &tv);
+
+	ts.tv_sec = tv.tv_sec = tt = 0;
+
+	printchk("00:00:00.123", "%pTSIp", &ts);
+	printchk("00:00:00.123", "%pTSI", &ts);
+	printchk("00:00:00.234", "%pTVI", &tv);
+	printchk("00:00:00", "%pTTI", &tt);
+
+	printchk("00:00:00", "%pTVItp", &tv);
+	printchk("00:00:00", "%pTSIt", &ts);
+
+	printchk("0.234", "%pTVId", &tv);
+	printchk("0.234", "%pTVIdx", &tv);
+	printchk("-", "%pTTIdx", &tt);
+
+	printchk("00:00:00", "%pTVIhx", &tv);
+	printchk("--:--:--", "%pTTIhx", &tt);
+	printchk("00:00", "%pTVImx", &tv);
+	printchk("--:--", "%pTTImx", &tt);
+
+	ts.tv_sec = tv.tv_sec = tt = -10;
+
+	printchk("-00:00:09.876", "%pTSIp", &ts);
+	printchk("-00:00:09.876", "%pTSI", &ts);
+	printchk("-00:00:09.765", "%pTVI", &tv);
+	printchk("-00:00:10", "%pTTI", &tt);
+
+	printchk("-00:00:09", "%pTSItp", &ts);
+	printchk("-00:00:09", "%pTSIt", &ts);
+	printchk("-00:00:09", "%pTVIt", &tv);
+	printchk("-00:00:10", "%pTTIt", &tt);
+
+	printchk("-9.765", "%pTVId", &tv);
+	printchk("-", "%pTVIdx", &tv);
+
+	printchk("-00:00:09", "%pTSIh", &ts);
+	printchk("--:--:--", "%pTVIhx", &tv);
+	printchk("--:--:--", "%pTTIhx", &tt);
+
+	printchk("-00:09", "%pTSIm", &ts);
+	printchk("--:--", "%pTVImx", &tv);
+	printchk("--:--", "%pTTImx", &tt);
+	/* ASN checks */
+	asn = 65536;
+	printchk("1.0", "%pASD", &asn);
+	asn = 65400;
+	printchk("65400", "%pASP", &asn);
+	printchk("0.65400", "%pASE", &asn);
+	printchk("65400", "%pASD", &asn);
+
+	return !!errors;
+}
diff --git a/tests/lib/test_printfrr.py b/tests/lib/test_printfrr.py
new file mode 100644
index 0000000..b8ab89e
--- /dev/null
+++ b/tests/lib/test_printfrr.py
@@ -0,0 +1,8 @@
+import frrtest
+
+
+class TestPrintfrr(frrtest.TestMultiOut):
+    program = "./test_printfrr"
+
+
+TestPrintfrr.exit_cleanly()
diff --git a/tests/lib/test_privs.c b/tests/lib/test_privs.c
new file mode 100644
index 0000000..e267548
--- /dev/null
+++ b/tests/lib/test_privs.c
@@ -0,0 +1,123 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ */
+
+#include <zebra.h>
+
+#include <lib/version.h>
+#include "getopt.h"
+#include "privs.h"
+#include "memory.h"
+#include "lib_vty.h"
+
+zebra_capabilities_t _caps_p[] = {
+	ZCAP_NET_RAW, ZCAP_BIND, ZCAP_NET_ADMIN, ZCAP_DAC_OVERRIDE,
+};
+
+struct zebra_privs_t test_privs = {
+#if defined(FRR_USER) && defined(FRR_GROUP)
+	.user = FRR_USER,
+	.group = FRR_GROUP,
+#endif
+#if defined(VTY_GROUP)
+	.vty_group = VTY_GROUP,
+#endif
+	.caps_p = _caps_p,
+	.cap_num_p = array_size(_caps_p),
+	.cap_num_i = 0};
+
+struct option longopts[] = {{"help", no_argument, NULL, 'h'},
+			    {"user", required_argument, NULL, 'u'},
+			    {"group", required_argument, NULL, 'g'},
+			    {0}};
+
+/* Help information display. */
+static void usage(char *progname, int status)
+{
+	if (status != 0)
+		fprintf(stderr, "Try `%s --help' for more information.\n",
+			progname);
+	else {
+		printf("Usage : %s [OPTION...]\n\
+Daemon which does 'slow' things.\n\n\
+-u, --user         User to run as\n\
+-g, --group        Group to run as\n\
+-h, --help         Display this help and exit\n\
+\n\
+Report bugs to %s\n",
+		       progname, FRR_BUG_ADDRESS);
+	}
+	exit(status);
+}
+
+struct event_loop *master;
+/* main routine. */
+int main(int argc, char **argv)
+{
+	char *p;
+	char *progname;
+	struct zprivs_ids_t ids;
+
+	/* Set umask before anything for security */
+	umask(0027);
+
+	/* get program name */
+	progname = ((p = strrchr(argv[0], '/')) ? ++p : argv[0]);
+
+	while (1) {
+		int opt;
+
+		opt = getopt_long(argc, argv, "hu:g:", longopts, 0);
+
+		if (opt == EOF)
+			break;
+
+		switch (opt) {
+		case 0:
+			break;
+		case 'u':
+			test_privs.user = optarg;
+			break;
+		case 'g':
+			test_privs.group = optarg;
+			break;
+		case 'h':
+			usage(progname, 0);
+			break;
+		default:
+			usage(progname, 1);
+			break;
+		}
+	}
+
+	/* Library inits. */
+	lib_cmd_init();
+	zprivs_preinit(&test_privs);
+	zprivs_init(&test_privs);
+
+#define PRIV_STATE()                                                           \
+	((test_privs.current_state() == ZPRIVS_RAISED) ? "Raised" : "Lowered")
+
+	printf("%s\n", PRIV_STATE());
+	frr_with_privs(&test_privs) {
+		printf("%s\n", PRIV_STATE());
+	}
+
+	printf("%s\n", PRIV_STATE());
+	zprivs_get_ids(&ids);
+
+	/* terminate privileges */
+	zprivs_terminate(&test_privs);
+
+	/* but these should continue to work... */
+	printf("%s\n", PRIV_STATE());
+	frr_with_privs(&test_privs) {
+		printf("%s\n", PRIV_STATE());
+	}
+
+	printf("%s\n", PRIV_STATE());
+	zprivs_get_ids(&ids);
+
+	printf("terminating\n");
+	return 0;
+}
diff --git a/tests/lib/test_resolver.c b/tests/lib/test_resolver.c
new file mode 100644
index 0000000..d72ff4f
--- /dev/null
+++ b/tests/lib/test_resolver.c
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * FRR c-ares integration test
+ * Copyright (C) 2021  David Lamparter for NetDEF, Inc.
+ */
+
+/* this test is not run automatically since tests MUST NOT rely on any outside
+ * state.  DNS is most definitely "outside state".  A testbed may not have any
+ * internet connectivity at all.  It may not have working DNS.  Or worst of
+ * all, whatever name we use to test may have a temporary failure entirely
+ * beyond our control.
+ *
+ * The only way this test could be run in a testbed is with an all-local DNS
+ * setup, which considering the resolver code is rarely touched is not worth
+ * the time at all.  Instead, after touching the resolver code, manually run
+ * this test and throw some names at it.
+ */
+
+#include <zebra.h>
+
+#include "vty.h"
+#include "command.h"
+#include "resolver.h"
+#include "log.h"
+#include "sockunion.h"
+
+#include "tests/lib/cli/common_cli.h"
+
+extern struct event_loop *master;
+
+static void resolver_result(struct resolver_query *resq, const char *errstr,
+			    int numaddrs, union sockunion *addr)
+{
+	int i;
+
+	if (numaddrs <= 0) {
+		zlog_warn("hostname resolution failed: %s", errstr);
+		return;
+	}
+
+	for (i = 0; i < numaddrs; i++)
+		zlog_info("resolver result: %pSU", &addr[i]);
+}
+
+struct resolver_query query;
+
+DEFUN (test_resolve,
+       test_resolve_cmd,
+       "resolve WORD",
+       "DNS resolver\n"
+       "Name to resolve\n")
+{
+	resolver_resolve(&query, AF_UNSPEC, 0, argv[1]->arg, resolver_result);
+	return CMD_SUCCESS;
+}
+
+__attribute__((_CONSTRUCTOR(2000)))
+static void test_setup(void)
+{
+	test_log_prio = LOG_DEBUG;
+}
+
+void test_init(int argc, char **argv)
+{
+	resolver_init(master);
+
+	install_element(VIEW_NODE, &test_resolve_cmd);
+}
diff --git a/tests/lib/test_ringbuf.c b/tests/lib/test_ringbuf.c
new file mode 100644
index 0000000..0d7fed7
--- /dev/null
+++ b/tests/lib/test_ringbuf.c
@@ -0,0 +1,177 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Circular buffer tests.
+ * Copyright (C) 2017  Cumulus Networks
+ * Quentin Young
+ */
+#include <zebra.h>
+#include <memory.h>
+#include "ringbuf.h"
+
+static void validate_state(struct ringbuf *buf, size_t size, size_t contains)
+{
+	assert(buf->size == size);
+	assert(ringbuf_remain(buf) == contains);
+	assert(ringbuf_space(buf) == buf->size - contains);
+	assert(buf->empty != (bool)contains);
+}
+
+int main(int argc, char **argv)
+{
+	struct ringbuf *soil = ringbuf_new(BUFSIZ);
+
+	validate_state(soil, BUFSIZ, 0);
+
+	/* verify reset functionality on clean buffer */
+	printf("Validating reset on empty buffer...\n");
+	ringbuf_reset(soil);
+
+	validate_state(soil, BUFSIZ, 0);
+
+	/* put one byte */
+	printf("Validating write...\n");
+	uint8_t walnut = 47;
+	assert(ringbuf_put(soil, &walnut, sizeof(walnut)) == 1);
+
+	validate_state(soil, BUFSIZ, 1);
+
+	/* validate read limitations */
+	printf("Validating read limits...\n");
+	uint8_t nuts[2];
+	assert(ringbuf_get(soil, &nuts, sizeof(nuts)) == 1);
+
+	/* reset */
+	printf("Validating reset on full buffer...\n");
+	ringbuf_reset(soil);
+	validate_state(soil, BUFSIZ, 0);
+
+	/* copy stack garbage to buffer */
+	printf("Validating big write...\n");
+	uint8_t compost[BUFSIZ];
+	assert(ringbuf_put(soil, &compost, sizeof(compost)) == BUFSIZ);
+
+	validate_state(soil, BUFSIZ, BUFSIZ);
+	assert(soil->start == 0);
+	assert(soil->end == 0);
+
+	/* read 15 bytes of garbage */
+	printf("Validating read...\n");
+	assert(ringbuf_get(soil, &compost, 15) == 15);
+
+	validate_state(soil, BUFSIZ, BUFSIZ - 15);
+	assert(soil->start == 15);
+	assert(soil->end == 0);
+
+	/* put another 10 bytes and validate wraparound */
+	printf("Validating wraparound...\n");
+	assert(ringbuf_put(soil, &compost[BUFSIZ/2], 10) == 10);
+
+	validate_state(soil, BUFSIZ, BUFSIZ - 15 + 10);
+	assert(soil->start == 15);
+	assert(soil->end == 10);
+
+	/* put another 15 bytes and validate state */
+	printf("Validating size limits...\n");
+	assert(ringbuf_put(soil, &compost, 15) == 5);
+	validate_state(soil, BUFSIZ, BUFSIZ);
+
+	/* read entire buffer */
+	printf("Validating big read...\n");
+	assert(ringbuf_get(soil, &compost, BUFSIZ) == BUFSIZ);
+
+	validate_state(soil, BUFSIZ, 0);
+	assert(soil->empty == true);
+	assert(soil->start == soil->end);
+	assert(soil->start == 15);
+
+	/* read empty buffer */
+	printf("Validating empty read...\n");
+	assert(ringbuf_get(soil, &compost, 1) == 0);
+	validate_state(soil, BUFSIZ, 0);
+
+	/* reset, validate state */
+	printf("Validating reset...\n");
+	ringbuf_reset(soil);
+	validate_state(soil, BUFSIZ, 0);
+	assert(soil->start == 0);
+	assert(soil->end == 0);
+
+	/* wipe, validate state */
+	printf("Validating wipe...\n");
+	memset(&compost, 0x00, sizeof(compost));
+	ringbuf_wipe(soil);
+	assert(memcmp(&compost, soil->data, sizeof(compost)) == 0);
+
+	/* validate maximum write */
+	printf("Validating very big write...\n");
+	const char flower[BUFSIZ * 2];
+	assert(ringbuf_put(soil, &flower, sizeof(flower)) == BUFSIZ);
+
+	validate_state(soil, BUFSIZ, BUFSIZ);
+
+	/* wipe, validate state */
+	printf("Validating wipe...\n");
+	memset(&compost, 0x00, sizeof(compost));
+	ringbuf_wipe(soil);
+	assert(memcmp(&compost, soil->data, sizeof(compost)) == 0);
+
+	/* validate simple data encode / decode */
+	const char *organ = "seed";
+	printf("Encoding: '%s'\n", organ);
+	assert(ringbuf_put(soil, organ, strlen(organ)) == 4);
+	char water[strlen(organ) + 1];
+	assert(ringbuf_get(soil, &water, strlen(organ)) == 4);
+	water[strlen(organ)] = '\0';
+	printf("Retrieved: '%s'\n", water);
+
+	validate_state(soil, BUFSIZ, 0);
+
+	/* validate simple data encode / decode across ring boundary */
+	soil->start = soil->size - 2;
+	soil->end = soil->start;
+	const char *phloem = "root";
+	printf("Encoding: '%s'\n", phloem);
+	assert(ringbuf_put(soil, phloem, strlen(phloem)) == 4);
+	char xylem[strlen(phloem) + 1];
+	assert(ringbuf_get(soil, &xylem, 100) == 4);
+	xylem[strlen(phloem)] = '\0';
+	printf("Retrieved: '%s'\n", xylem);
+
+	ringbuf_wipe(soil);
+
+	/* validate simple data peek across ring boundary */
+	soil->start = soil->size - 2;
+	soil->end = soil->start;
+	const char *cytoplasm = "tree";
+	printf("Encoding: '%s'\n", cytoplasm);
+	assert(ringbuf_put(soil, cytoplasm, strlen(cytoplasm)) == 4);
+	char chloroplast[strlen(cytoplasm) + 1];
+	assert(ringbuf_peek(soil, 2, &chloroplast[0], 100) == 2);
+	assert(ringbuf_peek(soil, 0, &chloroplast[2], 2) == 2);
+	chloroplast[strlen(cytoplasm)] = '\0';
+	assert(!strcmp(chloroplast, "eetr"));
+	printf("Retrieved: '%s'\n", chloroplast);
+
+	printf("Deleting...\n");
+	ringbuf_del(soil);
+
+	printf("Creating new buffer...\n");
+	soil = ringbuf_new(15);
+	soil->start = soil->end = 7;
+
+	/* validate data encode of excessive data */
+	const char *twenty = "vascular plants----";
+	char sixteen[16];
+	printf("Encoding: %s\n", twenty);
+	assert(ringbuf_put(soil, twenty, strlen(twenty)) == 15);
+	assert(ringbuf_get(soil, sixteen, 20));
+	sixteen[15] = '\0';
+	printf("Retrieved: %s\n", sixteen);
+	assert(!strcmp(sixteen, "vascular plants"));
+
+	printf("Deleting...\n");
+	ringbuf_del(soil);
+
+	printf("Done.\n");
+	return 0;
+}
diff --git a/tests/lib/test_ringbuf.py b/tests/lib/test_ringbuf.py
new file mode 100644
index 0000000..0cd9dee
--- /dev/null
+++ b/tests/lib/test_ringbuf.py
@@ -0,0 +1,8 @@
+import frrtest
+
+
+class TestRingbuf(frrtest.TestMultiOut):
+    program = "./test_ringbuf"
+
+
+TestRingbuf.exit_cleanly()
diff --git a/tests/lib/test_segv.c b/tests/lib/test_segv.c
new file mode 100644
index 0000000..5d2f451
--- /dev/null
+++ b/tests/lib/test_segv.c
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * SEGV / backtrace handling test.
+ *
+ * copied from test-sig.c
+ *
+ * Copyright (C) 2013 by David Lamparter, Open Source Routing.
+ * Copyright (C) 2013 by Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This file is part of Quagga
+ */
+
+#include <zebra.h>
+#include <sigevent.h>
+#include "lib/log.h"
+#include "lib/memory.h"
+
+struct frr_signal_t sigs[] = {};
+
+struct event_loop *master;
+
+void func1(int *arg);
+void func3(void);
+
+void func1(int *arg)
+{
+	int *null = NULL;
+	*null += 1;
+	*arg = 1;
+}
+
+static void func2(size_t depth, int *arg)
+{
+	/* variable stack frame size */
+	int buf[depth];
+	for (size_t i = 0; i < depth; i++)
+		buf[i] = arg[i] + 1;
+	if (depth > 0)
+		func2(depth - 1, buf);
+	else
+		func1(&buf[0]);
+	for (size_t i = 0; i < depth; i++)
+		buf[i] = arg[i] + 2;
+}
+
+void func3(void)
+{
+	int buf[6];
+	func2(6, buf);
+}
+
+static void threadfunc(struct event *thread)
+{
+	func3();
+}
+
+int main(void)
+{
+	master = event_master_create(NULL);
+	signal_init(master, array_size(sigs), sigs);
+
+	zlog_aux_init("NONE: ", LOG_DEBUG);
+
+	event_execute(master, threadfunc, 0, 0, NULL);
+
+	exit(0);
+}
diff --git a/tests/lib/test_seqlock.c b/tests/lib/test_seqlock.c
new file mode 100644
index 0000000..288d4a8
--- /dev/null
+++ b/tests/lib/test_seqlock.c
@@ -0,0 +1,114 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * basic test for seqlock
+ *
+ * Copyright (C) 2015  David Lamparter
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <string.h>
+#include <unistd.h>
+#include <assert.h>
+#include <sys/uio.h>
+
+#include "monotime.h"
+#include "seqlock.h"
+#include "printfrr.h"
+
+static struct seqlock sqlo;
+static pthread_t thr1;
+static struct timeval start;
+
+static void writestr(const char *str)
+{
+	struct iovec iov[2];
+	char buf[32];
+	int64_t usec = monotime_since(&start, NULL);
+
+	snprintfrr(buf, sizeof(buf), "[%02" PRId64 "] ", usec / 100000);
+
+	iov[0].iov_base = buf;
+	iov[0].iov_len = strlen(buf);
+	iov[1].iov_base = (char *)str;
+	iov[1].iov_len = strlen(str);
+	writev(1, iov, 2);
+}
+
+static void *thr1func(void *arg)
+{
+	assert(!seqlock_held(&sqlo));
+	assert(seqlock_check(&sqlo, 1));
+	seqlock_wait(&sqlo, 1);
+	writestr("thr1 (unheld)\n");
+
+	sleep(2);
+
+	assert(seqlock_held(&sqlo));
+	assert(seqlock_check(&sqlo, 1));
+	seqlock_wait(&sqlo, 1);
+	writestr("thr1 @1\n");
+
+	seqlock_wait(&sqlo, 5);
+	writestr("thr1 @5\n");
+
+	seqlock_wait(&sqlo, 9);
+	writestr("thr1 @9\n");
+
+	seqlock_wait(&sqlo, 13);
+	writestr("thr1 @13\n");
+
+	seqlock_wait(&sqlo, 17);
+	writestr("thr1 @17\n");
+
+	seqlock_wait(&sqlo, 21);
+	writestr("thr1 @21\n");
+	return NULL;
+}
+
+int main(int argc, char **argv)
+{
+	monotime(&start);
+
+	seqlock_init(&sqlo);
+
+	assert(!seqlock_held(&sqlo));
+	seqlock_acquire_val(&sqlo, 1);
+	assert(seqlock_held(&sqlo));
+
+	assert(seqlock_cur(&sqlo) == 1);
+	assert(seqlock_bump(&sqlo) == 1);
+	assert(seqlock_cur(&sqlo) == 5);
+	assert(seqlock_bump(&sqlo) == 5);
+	assert(seqlock_bump(&sqlo) == 9);
+	assert(seqlock_bump(&sqlo) == 13);
+	assert(seqlock_cur(&sqlo) == 17);
+
+	assert(seqlock_held(&sqlo));
+	seqlock_release(&sqlo);
+	assert(!seqlock_held(&sqlo));
+
+	pthread_create(&thr1, NULL, thr1func, NULL);
+	sleep(1);
+
+	writestr("main @5\n");
+	seqlock_acquire_val(&sqlo, 5);
+	sleep(2);
+
+	writestr("main @9\n");
+	seqlock_bump(&sqlo);
+	sleep(1);
+
+	writestr("main @17\n");
+	seqlock_acquire_val(&sqlo, 17);
+	sleep(1);
+
+	writestr("main @release\n");
+	seqlock_release(&sqlo);
+	sleep(1);
+}
diff --git a/tests/lib/test_sig.c b/tests/lib/test_sig.c
new file mode 100644
index 0000000..2bd7f30
--- /dev/null
+++ b/tests/lib/test_sig.c
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ */
+
+#include <zebra.h>
+#include <sigevent.h>
+#include "lib/log.h"
+#include "lib/memory.h"
+
+static void sighup(void)
+{
+	printf("processed hup\n");
+}
+
+static void sigusr1(void)
+{
+	printf("processed usr1\n");
+}
+
+static void sigusr2(void)
+{
+	printf("processed usr2\n");
+}
+
+struct frr_signal_t sigs[] = {{
+				      .signal = SIGHUP,
+				      .handler = &sighup,
+			      },
+			      {
+				      .signal = SIGUSR1,
+				      .handler = &sigusr1,
+			      },
+			      {
+				      .signal = SIGUSR2,
+				      .handler = &sigusr2,
+			      }};
+
+struct event_loop *master;
+struct event t;
+
+int main(void)
+{
+	master = event_master_create(NULL);
+	signal_init(master, array_size(sigs), sigs);
+
+	zlog_aux_init("NONE: ", LOG_DEBUG);
+
+	while (event_fetch(master, &t))
+		event_call(&t);
+
+	exit(0);
+}
diff --git a/tests/lib/test_skiplist.c b/tests/lib/test_skiplist.c
new file mode 100644
index 0000000..6af7ac5
--- /dev/null
+++ b/tests/lib/test_skiplist.c
@@ -0,0 +1,122 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2021, LabN Consulting, L.L.C
+ */
+
+#include <zebra.h>
+#include <skiplist.h>
+
+static void sl_debug(struct skiplist *l)
+{
+	int i;
+
+	if (!l)
+		return;
+
+	printf("Skiplist %p has max level %d\n", l, l->level);
+	for (i = l->level; i >= 0; --i)
+		printf("  @%d: %d\n", i, l->level_stats[i]);
+}
+
+static void *scramble(int i)
+{
+	uintptr_t result;
+
+	result = (uintptr_t)(i & 0xff) << 24;
+	result |= (uintptr_t)i >> 8;
+
+	return (void *)result;
+}
+#define sampleSize 65536
+static int sl_test(void)
+{
+	struct skiplist *l;
+	register int i, k;
+	void *keys[sampleSize];
+	void *v = NULL;
+	int errors = 0;
+
+	l = skiplist_new(SKIPLIST_FLAG_ALLOW_DUPLICATES, NULL, NULL);
+
+	printf("%s: skiplist_new returned %p\n", __func__, l);
+
+	for (i = 0; i < 4; i++) {
+
+		for (k = 0; k < sampleSize; k++) {
+			if (!(k % 10000))
+				printf("%s: (%d:%d)\n", __func__, i, k);
+			/* keys[k] = (void *)random(); */
+			keys[k] = scramble(k);
+			if (skiplist_insert(l, keys[k], keys[k])) {
+				++errors;
+				printf("error in insert #%d,#%d\n", i, k);
+			}
+		}
+
+		printf("%s: inserts done\n", __func__);
+		sl_debug(l);
+
+		for (k = 0; k < sampleSize; k++) {
+
+			if (!(k % 10000))
+				printf("[%d:%d]\n", i, k);
+			/* keys[k] = (void *)random(); */
+			if (skiplist_search(l, keys[k], &v)) {
+				++errors;
+				printf("error in search #%d,#%d\n", i, k);
+			}
+
+			if (v != keys[k]) {
+				++errors;
+				printf("search returned wrong value\n");
+			}
+		}
+		printf("%s: searches done\n", __func__);
+
+
+		for (k = 0; k < sampleSize; k++) {
+
+			if (!(k % 10000))
+				printf("<%d:%d>\n", i, k);
+			/* keys[k] = (void *)random(); */
+			if (skiplist_delete(l, keys[k], keys[k])) {
+				++errors;
+				printf("error in delete\n");
+			}
+			keys[k] = scramble(k ^ 0xf0f0f0f0);
+			if (skiplist_insert(l, keys[k], keys[k])) {
+				++errors;
+				printf("error in insert #%d,#%d\n", i, k);
+			}
+		}
+
+		printf("%s: del+inserts done\n", __func__);
+		sl_debug(l);
+
+		for (k = 0; k < sampleSize; k++) {
+
+			if (!(k % 10000))
+				printf("{%d:%d}\n", i, k);
+			/* keys[k] = (void *)random(); */
+			if (skiplist_delete_first(l)) {
+				++errors;
+				printf("error in delete_first\n");
+			}
+		}
+	}
+
+	sl_debug(l);
+
+	skiplist_free(l);
+
+	return errors;
+}
+
+int main(int argc, char **argv)
+{
+	int errors = sl_test();
+
+	if (errors)
+		return 1;
+	return 0;
+}
diff --git a/tests/lib/test_srcdest_table.c b/tests/lib/test_srcdest_table.c
new file mode 100644
index 0000000..6d6c515
--- /dev/null
+++ b/tests/lib/test_srcdest_table.c
@@ -0,0 +1,422 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Test srcdest table for correctness.
+ *
+ * Copyright (C) 2017 by David Lamparter & Christian Franke,
+ *                       Open Source Routing / NetDEF Inc.
+ *
+ * This file is part of FRRouting (FRR)
+ */
+
+#include <zebra.h>
+
+#include "hash.h"
+#include "memory.h"
+#include "prefix.h"
+#include "prng.h"
+#include "srcdest_table.h"
+#include "table.h"
+
+/* Copied from ripngd/ripng_nexthop.h - maybe the whole s6_addr32 thing
+ * should be added by autoconf if not present?
+ */
+#ifndef s6_addr32
+#define s6_addr32 __u6_addr.__u6_addr32
+#endif /*s6_addr32*/
+
+struct event_loop *master;
+
+/* This structure is copied from lib/srcdest_table.c to which it is
+ * private as far as other parts of Quagga are concerned.
+ */
+struct srcdest_rnode {
+	/* must be first in structure for casting to/from route_node */
+	ROUTE_NODE_FIELDS;
+
+	struct route_table *src_table;
+};
+
+struct test_state {
+	struct route_table *table;
+	struct hash *log;
+};
+
+static char *format_srcdest(const struct prefix_ipv6 *dst_p,
+			    const struct prefix_ipv6 *src_p)
+{
+	char dst_str[BUFSIZ];
+	char src_str[BUFSIZ];
+	char *rv;
+	int ec;
+
+	prefix2str((const struct prefix *)dst_p, dst_str, sizeof(dst_str));
+	if (src_p && src_p->prefixlen)
+		prefix2str((const struct prefix *)src_p, src_str,
+			   sizeof(src_str));
+	else
+		src_str[0] = '\0';
+
+	ec = asprintf(&rv, "%s%s%s", dst_str,
+		      (src_str[0] != '\0') ? " from " : "", src_str);
+
+	assert(ec > 0);
+	return rv;
+}
+
+static unsigned int log_key(const void *data)
+{
+	const struct prefix *hash_entry = data;
+	struct prefix_ipv6 *dst_p = (struct prefix_ipv6 *)&hash_entry[0];
+	struct prefix_ipv6 *src_p = (struct prefix_ipv6 *)&hash_entry[1];
+	unsigned int hash = 0;
+	unsigned int i;
+
+	hash = (hash * 33) ^ (unsigned int)dst_p->prefixlen;
+	for (i = 0; i < 4; i++)
+		hash = (hash * 33) ^ (unsigned int)dst_p->prefix.s6_addr32[i];
+
+	hash = (hash * 33) ^ (unsigned int)src_p->prefixlen;
+	if (src_p->prefixlen)
+		for (i = 0; i < 4; i++)
+			hash = (hash * 33)
+			       ^ (unsigned int)src_p->prefix.s6_addr32[i];
+
+	return hash;
+}
+
+static bool log_cmp(const void *a, const void *b)
+{
+	if (a == NULL || b == NULL)
+		return false;
+
+	return !memcmp(a, b, 2 * sizeof(struct prefix));
+}
+
+static void log_free(void *data)
+{
+	XFREE(MTYPE_TMP, data);
+}
+
+static void *log_alloc(void *data)
+{
+	void *rv = XMALLOC(MTYPE_TMP, 2 * sizeof(struct prefix));
+	memcpy(rv, data, 2 * sizeof(struct prefix));
+	return rv;
+}
+
+static struct test_state *test_state_new(void)
+{
+	struct test_state *rv;
+
+	rv = XCALLOC(MTYPE_TMP, sizeof(*rv));
+	assert(rv);
+
+	rv->table = srcdest_table_init();
+	assert(rv->table);
+
+	rv->log = hash_create(log_key, log_cmp, NULL);
+	return rv;
+}
+
+static void test_state_free(struct test_state *test)
+{
+	route_table_finish(test->table);
+	hash_clean_and_free(&test->log, log_free);
+	XFREE(MTYPE_TMP, test);
+}
+
+static void test_state_add_route(struct test_state *test,
+				 struct prefix_ipv6 *dst_p,
+				 struct prefix_ipv6 *src_p)
+{
+	struct route_node *rn =
+		srcdest_rnode_get(test->table, (struct prefix *)dst_p, src_p);
+	struct prefix hash_entry[2];
+
+	memset(hash_entry, 0, sizeof(hash_entry));
+	memcpy(&hash_entry[0], dst_p, sizeof(*dst_p));
+	memcpy(&hash_entry[1], src_p, sizeof(*src_p));
+
+	if (rn->info) {
+		route_unlock_node(rn);
+		assert(hash_lookup(test->log, hash_entry) != NULL);
+		return;
+	} else {
+		assert(hash_lookup(test->log, hash_entry) == NULL);
+	}
+
+	rn->info = (void *)0xdeadbeef;
+	(void)hash_get(test->log, hash_entry, log_alloc);
+};
+
+static void test_state_del_route(struct test_state *test,
+				 struct prefix_ipv6 *dst_p,
+				 struct prefix_ipv6 *src_p)
+{
+	struct route_node *rn = srcdest_rnode_lookup(
+		test->table, (struct prefix *)dst_p, src_p);
+	struct prefix hash_entry[2];
+
+	memset(hash_entry, 0, sizeof(hash_entry));
+	memcpy(&hash_entry[0], dst_p, sizeof(*dst_p));
+	memcpy(&hash_entry[1], src_p, sizeof(*src_p));
+
+	if (!rn) {
+		assert(!hash_lookup(test->log, hash_entry));
+		return;
+	}
+
+	assert(rn->info == (void *)0xdeadbeef);
+	rn->info = NULL;
+	route_unlock_node(rn);
+	route_unlock_node(rn);
+
+	struct prefix *hash_entry_intern = hash_release(test->log, hash_entry);
+	assert(hash_entry_intern != NULL);
+	XFREE(MTYPE_TMP, hash_entry_intern);
+}
+
+static void verify_log(struct hash_bucket *bucket, void *arg)
+{
+	struct test_state *test = arg;
+	struct prefix *hash_entry = bucket->data;
+	struct prefix *dst_p = &hash_entry[0];
+	struct prefix_ipv6 *src_p = (struct prefix_ipv6 *)&hash_entry[1];
+	struct route_node *rn = srcdest_rnode_lookup(test->table, dst_p, src_p);
+
+	assert(rn);
+	assert(rn->info == (void *)0xdeadbeef);
+
+	route_unlock_node(rn);
+}
+
+static void dump_log(struct hash_bucket *bucket, void *arg)
+{
+	struct prefix *hash_entry = bucket->data;
+	struct prefix_ipv6 *dst_p = (struct prefix_ipv6 *)&hash_entry[0];
+	struct prefix_ipv6 *src_p = (struct prefix_ipv6 *)&hash_entry[1];
+	char *route_id = format_srcdest(dst_p, src_p);
+
+	fprintf(stderr, "  %s\n", route_id);
+	free(route_id);
+}
+
+static void test_dump(struct test_state *test)
+{
+	fprintf(stderr, "Contents of hash table:\n");
+	hash_iterate(test->log, dump_log, test);
+	fprintf(stderr, "\n");
+}
+
+static void test_failed(struct test_state *test, const char *message,
+			const struct prefix_ipv6 *dst_p,
+			const struct prefix_ipv6 *src_p)
+{
+	char *route_id = format_srcdest(dst_p, src_p);
+
+	fprintf(stderr, "Test failed. Error: %s\n", message);
+	fprintf(stderr, "Route in question: %s\n", route_id);
+	free(route_id);
+
+	test_dump(test);
+	assert(3 == 4);
+}
+
+static void test_state_verify(struct test_state *test)
+{
+	struct route_node *rn;
+	struct prefix hash_entry[2];
+
+	memset(hash_entry, 0, sizeof(hash_entry));
+
+	/* Verify that there are no elements in the table which have never
+	 * been added */
+	for (rn = route_top(test->table); rn; rn = srcdest_route_next(rn)) {
+		const struct prefix_ipv6 *dst_p, *src_p;
+
+		/* While we are iterating, we hold a lock on the current
+		 * route_node,
+		 * so all the lock counts we check for take that into account;
+		 * in idle
+		 * state all the numbers will be exactly one less.
+		 *
+		 * Also this makes quite some assumptions based on the current
+		 * implementation details of route_table and srcdest_table -
+		 * another
+		 * valid implementation might trigger assertions here.
+		 */
+
+		if (rnode_is_dstnode(rn)) {
+			struct srcdest_rnode *srn = (struct srcdest_rnode *)rn;
+			unsigned int expected_lock = 1; /* We are in the loop */
+
+			if (rn->info
+			    != NULL) /* The route node is not internal */
+				expected_lock++;
+			if (srn->src_table != NULL) /* There's a source table
+						       associated with rn */
+				expected_lock++;
+
+			if (route_node_get_lock_count(rn) != expected_lock)
+				test_failed(
+					test,
+					"Dest rnode lock count doesn't match expected count!",
+					(struct prefix_ipv6 *)&rn->p, NULL);
+		} else {
+			unsigned int expected_lock = 1; /* We are in the loop */
+
+			if (rn->info
+			    != NULL) /* The route node is not internal */
+				expected_lock++;
+
+			if (route_node_get_lock_count(rn) != expected_lock) {
+				srcdest_rnode_prefixes(
+					rn, (const struct prefix **)&dst_p,
+					(const struct prefix **)&src_p);
+
+				test_failed(
+					test,
+					"Src rnode lock count doesn't match expected count!",
+					dst_p, src_p);
+			}
+		}
+
+		if (!rn->info)
+			continue;
+
+		assert(rn->info == (void *)0xdeadbeef);
+
+		srcdest_rnode_prefixes(rn, (const struct prefix **)&dst_p,
+				       (const struct prefix **)&src_p);
+		memcpy(&hash_entry[0], dst_p, sizeof(*dst_p));
+		if (src_p)
+			memcpy(&hash_entry[1], src_p, sizeof(*src_p));
+		else
+			memset(&hash_entry[1], 0, sizeof(hash_entry[1]));
+
+		if (hash_lookup(test->log, hash_entry) == NULL)
+			test_failed(test, "Route is missing in hash", dst_p,
+				    src_p);
+	}
+
+	/* Verify that all added elements are still in the table */
+	hash_iterate(test->log, verify_log, test);
+}
+
+static void get_rand_prefix(struct prng *prng, struct prefix_ipv6 *p)
+{
+	int i;
+
+	memset(p, 0, sizeof(*p));
+
+	for (i = 0; i < 4; i++)
+		p->prefix.s6_addr32[i] = prng_rand(prng);
+	p->prefixlen = prng_rand(prng) % 129;
+	p->family = AF_INET6;
+
+	apply_mask(p);
+}
+
+static void get_rand_prefix_pair(struct prng *prng, struct prefix_ipv6 *dst_p,
+				 struct prefix_ipv6 *src_p)
+{
+	get_rand_prefix(prng, dst_p);
+	if ((prng_rand(prng) % 4) == 0) {
+		get_rand_prefix(prng, src_p);
+		if (src_p->prefixlen)
+			return;
+	}
+
+	memset(src_p, 0, sizeof(*src_p));
+}
+
+static void test_state_add_rand_route(struct test_state *test,
+				      struct prng *prng)
+{
+	struct prefix_ipv6 dst_p, src_p;
+
+	get_rand_prefix_pair(prng, &dst_p, &src_p);
+	test_state_add_route(test, &dst_p, &src_p);
+}
+
+static void test_state_del_rand_route(struct test_state *test,
+				      struct prng *prng)
+{
+	struct prefix_ipv6 dst_p, src_p;
+
+	get_rand_prefix_pair(prng, &dst_p, &src_p);
+	test_state_del_route(test, &dst_p, &src_p);
+}
+
+static void test_state_del_one_route(struct test_state *test, struct prng *prng)
+{
+	unsigned int which_route;
+
+	if (test->log->count == 0)
+		return;
+
+	which_route = prng_rand(prng) % test->log->count;
+
+	struct route_node *rn;
+	const struct prefix *dst_p, *src_p;
+	struct prefix_ipv6 dst6_p, src6_p;
+
+	for (rn = route_top(test->table); rn; rn = srcdest_route_next(rn)) {
+		if (!rn->info)
+			continue;
+		if (!which_route) {
+			route_unlock_node(rn);
+			break;
+		}
+		which_route--;
+	}
+
+	assert(rn);
+	srcdest_rnode_prefixes(rn, &dst_p, &src_p);
+	memcpy(&dst6_p, dst_p, sizeof(dst6_p));
+	if (src_p)
+		memcpy(&src6_p, src_p, sizeof(src6_p));
+	else
+		memset(&src6_p, 0, sizeof(src6_p));
+
+	test_state_del_route(test, &dst6_p, &src6_p);
+}
+
+static void run_prng_test(void)
+{
+	struct test_state *test = test_state_new();
+	struct prng *prng = prng_new(0);
+	size_t i;
+
+	for (i = 0; i < 1000; i++) {
+		switch (prng_rand(prng) % 10) {
+		case 0:
+		case 1:
+		case 2:
+		case 3:
+		case 4:
+			test_state_add_rand_route(test, prng);
+			break;
+		case 5:
+		case 6:
+		case 7:
+			test_state_del_one_route(test, prng);
+			break;
+		case 8:
+		case 9:
+			test_state_del_rand_route(test, prng);
+			break;
+		}
+		test_state_verify(test);
+	}
+
+	prng_free(prng);
+	test_state_free(test);
+}
+
+int main(int argc, char *argv[])
+{
+	run_prng_test();
+	printf("PRNG Test successful.\n");
+	return 0;
+}
diff --git a/tests/lib/test_srcdest_table.py b/tests/lib/test_srcdest_table.py
new file mode 100644
index 0000000..d0dde6a
--- /dev/null
+++ b/tests/lib/test_srcdest_table.py
@@ -0,0 +1,8 @@
+import frrtest
+
+
+class TestSrcdestTable(frrtest.TestMultiOut):
+    program = "./test_srcdest_table"
+
+
+TestSrcdestTable.onesimple("PRNG Test successful.")
diff --git a/tests/lib/test_stream.c b/tests/lib/test_stream.c
new file mode 100644
index 0000000..d38dfe0
--- /dev/null
+++ b/tests/lib/test_stream.c
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* Simple stream test.
+ *
+ * Copyright (C) 2006 Sun Microsystems, Inc.
+ */
+
+#include <zebra.h>
+#include <stream.h>
+#include "frrevent.h"
+
+#include "printfrr.h"
+
+static unsigned long long ham = 0xdeadbeefdeadbeef;
+struct event_loop *master;
+
+static void print_stream(struct stream *s)
+{
+	size_t getp = stream_get_getp(s);
+
+	printfrr("endp: %zu, readable: %zu, writeable: %zu\n",
+		 stream_get_endp(s), STREAM_READABLE(s), STREAM_WRITEABLE(s));
+
+	while (STREAM_READABLE(s)) {
+		printfrr("0x%x ", *stream_pnt(s));
+		stream_forward_getp(s, 1);
+	}
+
+	printfrr("\n");
+
+	/* put getp back to where it was */
+	stream_set_getp(s, getp);
+}
+
+int main(void)
+{
+	struct stream *s;
+
+	s = stream_new(1024);
+
+	stream_putc(s, ham);
+	stream_putw(s, ham);
+	stream_putl(s, ham);
+	stream_putq(s, ham);
+
+	print_stream(s);
+
+	stream_resize_inplace(&s, stream_get_endp(s));
+
+	print_stream(s);
+
+	printfrr("c: 0x%hhx\n", stream_getc(s));
+	printfrr("w: 0x%hx\n", stream_getw(s));
+	printfrr("l: 0x%x\n", stream_getl(s));
+	printfrr("q: 0x%" PRIx64 "\n", stream_getq(s));
+
+	return 0;
+}
diff --git a/tests/lib/test_stream.py b/tests/lib/test_stream.py
new file mode 100644
index 0000000..11d902e
--- /dev/null
+++ b/tests/lib/test_stream.py
@@ -0,0 +1,5 @@
+import frrtest
+
+
+class TestStream(frrtest.TestRefOut):
+    program = "./test_stream"
diff --git a/tests/lib/test_stream.refout b/tests/lib/test_stream.refout
new file mode 100644
index 0000000..cf52e13
--- /dev/null
+++ b/tests/lib/test_stream.refout
@@ -0,0 +1,8 @@
+endp: 15, readable: 15, writeable: 1009
+0xef 0xbe 0xef 0xde 0xad 0xbe 0xef 0xde 0xad 0xbe 0xef 0xde 0xad 0xbe 0xef 
+endp: 15, readable: 15, writeable: 0
+0xef 0xbe 0xef 0xde 0xad 0xbe 0xef 0xde 0xad 0xbe 0xef 0xde 0xad 0xbe 0xef 
+c: 0xef
+w: 0xbeef
+l: 0xdeadbeef
+q: 0xdeadbeefdeadbeef
diff --git a/tests/lib/test_table.c b/tests/lib/test_table.c
new file mode 100644
index 0000000..51bfda2
--- /dev/null
+++ b/tests/lib/test_table.c
@@ -0,0 +1,496 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Routing table test
+ * Copyright (C) 2012 OSR.
+ *
+ * This file is part of Quagga
+ */
+
+#include <zebra.h>
+#include "printfrr.h"
+#include "prefix.h"
+#include "table.h"
+
+/*
+ * test_node_t
+ *
+ * Information that is kept for each node in the radix tree.
+ */
+typedef struct test_node_t_ {
+
+	/*
+	 * Human readable representation of the string. Allocated using
+	 * malloc()/dup().
+	 */
+	char *prefix_str;
+} test_node_t;
+
+struct event_loop *master;
+
+/*
+ * add_node
+ *
+ * Add the given prefix (passed in as a string) to the given table.
+ */
+static void add_node(struct route_table *table, const char *prefix_str)
+{
+	struct prefix_ipv4 p;
+	test_node_t *node;
+	struct route_node *rn;
+
+	assert(prefix_str);
+
+	if (str2prefix_ipv4(prefix_str, &p) <= 0) {
+		assert(0);
+	}
+
+	rn = route_node_get(table, (struct prefix *)&p);
+	if (rn->info) {
+		assert(0);
+		return;
+	}
+
+	node = malloc(sizeof(test_node_t));
+	assert(node);
+	node->prefix_str = strdup(prefix_str);
+	assert(node->prefix_str);
+	rn->info = node;
+}
+
+/*
+ * add_nodes
+ *
+ * Convenience function to add a bunch of nodes together.
+ *
+ * The arguments must be prefixes in string format, with a NULL as the
+ * last argument.
+ */
+static void add_nodes(struct route_table *table, ...)
+{
+	va_list arglist;
+	char *prefix;
+
+	va_start(arglist, table);
+
+	prefix = va_arg(arglist, char *);
+	while (prefix) {
+		add_node(table, prefix);
+		prefix = va_arg(arglist, char *);
+	}
+
+	va_end(arglist);
+}
+
+/*
+ * print_subtree
+ *
+ * Recursive function to print a route node and its children.
+ *
+ * @see print_table
+ */
+static void print_subtree(struct route_node *rn, const char *legend,
+			  int indent_level)
+{
+	int i;
+
+	/*
+	 * Print this node first.
+	 */
+	for (i = 0; i < indent_level; i++) {
+		printf("  ");
+	}
+
+	printfrr("%s: %pFX", legend, &rn->p);
+	if (!rn->info) {
+		printf(" (internal)");
+	}
+	printf("\n");
+	if (rn->l_left) {
+		print_subtree(rn->l_left, "Left", indent_level + 1);
+	}
+	if (rn->l_right) {
+		print_subtree(rn->l_right, "Right", indent_level + 1);
+	}
+}
+
+/*
+ * print_table
+ *
+ * Function that prints out the internal structure of a route table.
+ */
+static void print_table(struct route_table *table)
+{
+	struct route_node *rn;
+
+	rn = table->top;
+
+	if (!rn) {
+		printf("<Empty Table>\n");
+		return;
+	}
+
+	print_subtree(rn, "Top", 0);
+}
+
+/*
+ * clear_table
+ *
+ * Remove all nodes from the given table.
+ */
+static void clear_table(struct route_table *table)
+{
+	route_table_iter_t iter;
+	struct route_node *rn;
+	test_node_t *node;
+
+	route_table_iter_init(&iter, table);
+
+	while ((rn = route_table_iter_next(&iter))) {
+		node = rn->info;
+		if (!node) {
+			continue;
+		}
+		rn->info = NULL;
+		route_unlock_node(rn);
+		free(node->prefix_str);
+		free(node);
+	}
+
+	route_table_iter_cleanup(&iter);
+
+	assert(table->top == NULL);
+}
+
+/*
+ * verify_next_by_iterating
+ *
+ * Iterate over the tree to make sure that the first prefix after
+ * target_pfx is the expected one. Note that target_pfx may not be
+ * present in the tree.
+ */
+static void verify_next_by_iterating(struct route_table *table,
+				     struct prefix *target_pfx,
+				     struct prefix *next_pfx)
+{
+	route_table_iter_t iter;
+	struct route_node *rn;
+
+	route_table_iter_init(&iter, table);
+	while ((rn = route_table_iter_next(&iter))) {
+		if (route_table_prefix_iter_cmp(&rn->p, target_pfx) > 0) {
+			assert(!prefix_cmp(&rn->p, next_pfx));
+			break;
+		}
+	}
+
+	if (!rn) {
+		assert(!next_pfx);
+	}
+
+	route_table_iter_cleanup(&iter);
+}
+
+/*
+ * verify_next
+ *
+ * Verifies that route_table_get_next() returns the expected result
+ * (result) for the prefix string 'target'.
+ */
+static void verify_next(struct route_table *table, const char *target,
+			const char *next)
+{
+	struct prefix_ipv4 target_pfx, next_pfx;
+	struct route_node *rn;
+	char result_buf[PREFIX2STR_BUFFER];
+
+	if (str2prefix_ipv4(target, &target_pfx) <= 0) {
+		assert(0);
+	}
+
+	rn = route_table_get_next(table, (struct prefix *)&target_pfx);
+	if (rn) {
+		prefix2str(&rn->p, result_buf, sizeof(result_buf));
+	} else {
+		snprintf(result_buf, sizeof(result_buf), "(Null)");
+	}
+
+	printf("\n");
+	print_table(table);
+	printf("Verifying successor of %s. Expected: %s, Result: %s\n", target,
+	       next ? next : "(Null)", result_buf);
+
+	if (!rn) {
+		assert(!next);
+		verify_next_by_iterating(table, (struct prefix *)&target_pfx,
+					 NULL);
+		return;
+	}
+
+	assert(next);
+
+	if (str2prefix_ipv4(next, &next_pfx) <= 0) {
+		assert(0);
+	}
+
+	if (prefix_cmp(&rn->p, (struct prefix *)&next_pfx)) {
+		assert(0);
+	}
+	route_unlock_node(rn);
+
+	verify_next_by_iterating(table, (struct prefix *)&target_pfx,
+				 (struct prefix *)&next_pfx);
+}
+
+/*
+ * test_get_next
+ */
+static void test_get_next(void)
+{
+	struct route_table *table;
+
+	printf("\n\nTesting route_table_get_next()\n");
+	table = route_table_init();
+
+	/*
+	 * Target exists in tree, but has no successor.
+	 */
+	add_nodes(table, "1.0.1.0/24", NULL);
+	verify_next(table, "1.0.1.0/24", NULL);
+	clear_table(table);
+
+	/*
+	 * Target exists in tree, and there is a node in its left subtree.
+	 */
+	add_nodes(table, "1.0.1.0/24", "1.0.1.0/25", NULL);
+	verify_next(table, "1.0.1.0/24", "1.0.1.0/25");
+	clear_table(table);
+
+	/*
+	 * Target exists in tree, and there is a node in its right subtree.
+	 */
+	add_nodes(table, "1.0.1.0/24", "1.0.1.128/25", NULL);
+	verify_next(table, "1.0.1.0/24", "1.0.1.128/25");
+	clear_table(table);
+
+	/*
+	 * Target exists in the tree, next node is outside subtree.
+	 */
+	add_nodes(table, "1.0.1.0/24", "1.1.0.0/16", NULL);
+	verify_next(table, "1.0.1.0/24", "1.1.0.0/16");
+	clear_table(table);
+
+	/*
+	 * The target node does not exist in the tree for all the test cases
+	 * below this point.
+	 */
+
+	/*
+	 * There is no successor in the tree.
+	 */
+	add_nodes(table, "1.0.0.0/16", NULL);
+	verify_next(table, "1.0.1.0/24", NULL);
+	clear_table(table);
+
+	/*
+	 * There exists a node that would be in the target's left subtree.
+	 */
+	add_nodes(table, "1.0.0.0/16", "1.0.1.0/25", NULL);
+	verify_next(table, "1.0.1.0/24", "1.0.1.0/25");
+	clear_table(table);
+
+	/*
+	 * There exists a node would be in the target's right subtree.
+	 */
+	add_nodes(table, "1.0.0.0/16", "1.0.1.128/25", NULL);
+	verify_next(table, "1.0.1.0/24", "1.0.1.128/25");
+	clear_table(table);
+
+	/*
+	 * A search for the target reaches a node where there are no child
+	 * nodes in the direction of the target (left), but the node has a
+	 * right child.
+	 */
+	add_nodes(table, "1.0.0.0/16", "1.0.128.0/17", NULL);
+	verify_next(table, "1.0.0.0/17", "1.0.128.0/17");
+	clear_table(table);
+
+	/*
+	 * A search for the target reaches a node with no children. We have
+	 * to go upwards in the tree to find a successor.
+	 */
+	add_nodes(table, "1.0.0.0/16", "1.0.0.0/24", "1.0.1.0/24",
+		  "1.0.128.0/17", NULL);
+	verify_next(table, "1.0.1.0/25", "1.0.128.0/17");
+	clear_table(table);
+
+	/*
+	 * A search for the target reaches a node where neither the node nor
+	 * the target prefix contain each other.
+	 *
+	 * In first case below the node succeeds the target.
+	 *
+	 * In the second case, the node comes before the target, so we have
+	 * to go up the tree looking for a successor.
+	 */
+	add_nodes(table, "1.0.0.0/16", "1.0.1.0/24", NULL);
+	verify_next(table, "1.0.0.0/24", "1.0.1.0/24");
+	clear_table(table);
+
+	add_nodes(table, "1.0.0.0/16", "1.0.0.0/24", "1.0.1.0/25",
+		  "1.0.128.0/17", NULL);
+	verify_next(table, "1.0.1.128/25", "1.0.128.0/17");
+	clear_table(table);
+
+	route_table_finish(table);
+}
+
+/*
+ * verify_prefix_iter_cmp
+ */
+static void verify_prefix_iter_cmp(const char *p1, const char *p2,
+				   int exp_result)
+{
+	struct prefix_ipv4 p1_pfx, p2_pfx;
+	int result;
+
+	if (str2prefix_ipv4(p1, &p1_pfx) <= 0) {
+		assert(0);
+	}
+
+	if (str2prefix_ipv4(p2, &p2_pfx) <= 0) {
+		assert(0);
+	}
+
+	result = route_table_prefix_iter_cmp((struct prefix *)&p1_pfx,
+					     (struct prefix *)&p2_pfx);
+
+	printf("Verifying cmp(%s, %s) returns %d\n", p1, p2, exp_result);
+
+	assert(exp_result == result);
+
+	/*
+	 * Also check the reverse comparison.
+	 */
+	result = route_table_prefix_iter_cmp((struct prefix *)&p2_pfx,
+					     (struct prefix *)&p1_pfx);
+
+	if (exp_result) {
+		exp_result = -exp_result;
+	}
+
+	printf("Verifying cmp(%s, %s) returns %d\n", p1, p2, exp_result);
+	assert(result == exp_result);
+}
+
+/*
+ * test_prefix_iter_cmp
+ *
+ * Tests comparison of prefixes according to order of iteration.
+ */
+static void test_prefix_iter_cmp(void)
+{
+	printf("\n\nTesting route_table_prefix_iter_cmp()\n");
+
+	verify_prefix_iter_cmp("1.0.0.0/8", "1.0.0.0/8", 0);
+
+	verify_prefix_iter_cmp("1.0.0.0/8", "1.0.0.0/16", -1);
+
+	verify_prefix_iter_cmp("1.0.0.0/16", "1.128.0.0/16", -1);
+}
+
+/*
+ * verify_iter_with_pause
+ *
+ * Iterates over a tree using two methods: 'normal' iteration, and an
+ * iterator that pauses at each node. Verifies that the two methods
+ * yield the same results.
+ */
+static void verify_iter_with_pause(struct route_table *table)
+{
+	unsigned long num_nodes;
+	struct route_node *rn, *iter_rn;
+	route_table_iter_t iter_space;
+	route_table_iter_t *iter = &iter_space;
+
+	route_table_iter_init(iter, table);
+	num_nodes = 0;
+
+	for (rn = route_top(table); rn; rn = route_next(rn)) {
+		num_nodes++;
+		route_table_iter_pause(iter);
+
+		assert(iter->current == NULL);
+		if (route_table_iter_started(iter)) {
+			assert(iter->state == RT_ITER_STATE_PAUSED);
+		} else {
+			assert(rn == table->top);
+			assert(iter->state == RT_ITER_STATE_INIT);
+		}
+
+		iter_rn = route_table_iter_next(iter);
+
+		/*
+		 * Make sure both iterations return the same node.
+		 */
+		assert(rn == iter_rn);
+	}
+
+	assert(num_nodes == route_table_count(table));
+
+	route_table_iter_pause(iter);
+	iter_rn = route_table_iter_next(iter);
+
+	assert(iter_rn == NULL);
+	assert(iter->state == RT_ITER_STATE_DONE);
+
+	assert(route_table_iter_next(iter) == NULL);
+	assert(iter->state == RT_ITER_STATE_DONE);
+
+	route_table_iter_cleanup(iter);
+
+	print_table(table);
+	printf("Verified pausing iteration on tree with %lu nodes\n",
+	       num_nodes);
+}
+
+/*
+ * test_iter_pause
+ */
+static void test_iter_pause(void)
+{
+	struct route_table *table;
+	int i, num_prefixes;
+	const char *prefixes[] = {"1.0.1.0/24", "1.0.1.0/25", "1.0.1.128/25",
+				  "1.0.2.0/24", "2.0.0.0/8"};
+
+	num_prefixes = array_size(prefixes);
+
+	printf("\n\nTesting that route_table_iter_pause() works as expected\n");
+	table = route_table_init();
+	for (i = 0; i < num_prefixes; i++) {
+		add_nodes(table, prefixes[i], NULL);
+	}
+
+	verify_iter_with_pause(table);
+
+	clear_table(table);
+	route_table_finish(table);
+}
+
+/*
+ * run_tests
+ */
+static void run_tests(void)
+{
+	test_prefix_iter_cmp();
+	test_get_next();
+	test_iter_pause();
+}
+
+/*
+ * main
+ */
+int main(void)
+{
+	run_tests();
+}
diff --git a/tests/lib/test_table.py b/tests/lib/test_table.py
new file mode 100644
index 0000000..ee1849f
--- /dev/null
+++ b/tests/lib/test_table.py
@@ -0,0 +1,12 @@
+import frrtest
+
+
+class TestTable(frrtest.TestMultiOut):
+    program = "./test_table"
+
+
+for i in range(6):
+    TestTable.onesimple("Verifying cmp")
+for i in range(11):
+    TestTable.onesimple("Verifying successor")
+TestTable.onesimple("Verified pausing")
diff --git a/tests/lib/test_timer_correctness.c b/tests/lib/test_timer_correctness.c
new file mode 100644
index 0000000..04c0516
--- /dev/null
+++ b/tests/lib/test_timer_correctness.c
@@ -0,0 +1,173 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Test program to verify that scheduled timers are executed in the
+ * correct order.
+ *
+ * Copyright (C) 2013 by Open Source Routing.
+ * Copyright (C) 2013 by Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This file is part of Quagga
+ */
+
+#include <zebra.h>
+
+#include <stdio.h>
+#include <unistd.h>
+
+#include "memory.h"
+#include "prng.h"
+#include "frrevent.h"
+
+#define SCHEDULE_TIMERS 800
+#define REMOVE_TIMERS   200
+
+#define TIMESTR_LEN strlen("4294967296.999999")
+
+struct event_loop *master;
+
+static size_t log_buf_len;
+static size_t log_buf_pos;
+static char *log_buf;
+
+static size_t expected_buf_len;
+static size_t expected_buf_pos;
+static char *expected_buf;
+
+static struct prng *prng;
+
+static struct event **timers;
+
+static int timers_pending;
+
+static void terminate_test(void)
+{
+	int exit_code;
+
+	if (strcmp(log_buf, expected_buf)) {
+		fprintf(stderr,
+			"Expected output and received output differ.\n");
+		fprintf(stderr, "---Expected output: ---\n%s", expected_buf);
+		fprintf(stderr, "---Actual output: ---\n%s", log_buf);
+		exit_code = 1;
+	} else {
+		printf("Expected output and actual output match.\n");
+		exit_code = 0;
+	}
+
+	event_master_free(master);
+	XFREE(MTYPE_TMP, log_buf);
+	XFREE(MTYPE_TMP, expected_buf);
+	prng_free(prng);
+	XFREE(MTYPE_TMP, timers);
+
+	exit(exit_code);
+}
+
+static void timer_func(struct event *thread)
+{
+	int rv;
+
+	rv = snprintf(log_buf + log_buf_pos, log_buf_len - log_buf_pos, "%s\n",
+		      (char *)thread->arg);
+	assert(rv >= 0);
+	log_buf_pos += rv;
+	assert(log_buf_pos < log_buf_len);
+	XFREE(MTYPE_TMP, thread->arg);
+
+	timers_pending--;
+	if (!timers_pending)
+		terminate_test();
+}
+
+static int cmp_timeval(const void *a, const void *b)
+{
+	const struct timeval *ta = *(struct timeval * const *)a;
+	const struct timeval *tb = *(struct timeval * const *)b;
+
+	if (timercmp(ta, tb, <))
+		return -1;
+	if (timercmp(ta, tb, >))
+		return 1;
+	return 0;
+}
+
+int main(int argc, char **argv)
+{
+	int i, j;
+	struct event t;
+	struct timeval **alarms;
+
+	master = event_master_create(NULL);
+
+	log_buf_len = SCHEDULE_TIMERS * (TIMESTR_LEN + 1) + 1;
+	log_buf_pos = 0;
+	log_buf = XMALLOC(MTYPE_TMP, log_buf_len);
+
+	expected_buf_len = SCHEDULE_TIMERS * (TIMESTR_LEN + 1) + 1;
+	expected_buf_pos = 0;
+	expected_buf = XMALLOC(MTYPE_TMP, expected_buf_len);
+
+	prng = prng_new(0);
+
+	timers = XCALLOC(MTYPE_TMP, SCHEDULE_TIMERS * sizeof(*timers));
+
+	for (i = 0; i < SCHEDULE_TIMERS; i++) {
+		long interval_msec;
+		int ret;
+		char *arg;
+
+		/* Schedule timers to expire in 0..5 seconds */
+		interval_msec = prng_rand(prng) % 5000;
+		arg = XMALLOC(MTYPE_TMP, TIMESTR_LEN + 1);
+		event_add_timer_msec(master, timer_func, arg, interval_msec,
+				     &timers[i]);
+		ret = snprintf(arg, TIMESTR_LEN + 1, "%lld.%06lld",
+			       (long long)timers[i]->u.sands.tv_sec,
+			       (long long)timers[i]->u.sands.tv_usec);
+		assert(ret > 0);
+		assert((size_t)ret < TIMESTR_LEN + 1);
+		timers_pending++;
+	}
+
+	for (i = 0; i < REMOVE_TIMERS; i++) {
+		int index;
+
+		index = prng_rand(prng) % SCHEDULE_TIMERS;
+		if (!timers[index])
+			continue;
+
+		XFREE(MTYPE_TMP, timers[index]->arg);
+		event_cancel(&timers[index]);
+		timers_pending--;
+	}
+
+	/* We create an array of pointers to the alarm times and sort
+	 * that array. That sorted array is used to generate a string
+	 * representing the expected "output" of the timers when they
+	 * are run. */
+	j = 0;
+	alarms = XCALLOC(MTYPE_TMP, timers_pending * sizeof(*alarms));
+	for (i = 0; i < SCHEDULE_TIMERS; i++) {
+		if (!timers[i])
+			continue;
+		alarms[j++] = &timers[i]->u.sands;
+	}
+	qsort(alarms, j, sizeof(*alarms), cmp_timeval);
+	for (i = 0; i < j; i++) {
+		int ret;
+
+		ret = snprintf(expected_buf + expected_buf_pos,
+			       expected_buf_len - expected_buf_pos,
+			       "%lld.%06lld\n", (long long)alarms[i]->tv_sec,
+			       (long long)alarms[i]->tv_usec);
+		assert(ret > 0);
+		expected_buf_pos += ret;
+		assert(expected_buf_pos < expected_buf_len);
+	}
+	XFREE(MTYPE_TMP, alarms);
+
+	while (event_fetch(master, &t))
+		event_call(&t);
+
+	return 0;
+}
diff --git a/tests/lib/test_timer_correctness.py b/tests/lib/test_timer_correctness.py
new file mode 100644
index 0000000..71f45f9
--- /dev/null
+++ b/tests/lib/test_timer_correctness.py
@@ -0,0 +1,8 @@
+import frrtest
+
+
+class TestTimerCorrectness(frrtest.TestMultiOut):
+    program = "./test_timer_correctness"
+
+
+TestTimerCorrectness.onesimple("Expected output and actual output match.")
diff --git a/tests/lib/test_timer_performance.c b/tests/lib/test_timer_performance.c
new file mode 100644
index 0000000..3ace076
--- /dev/null
+++ b/tests/lib/test_timer_performance.c
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Test program which measures the time it takes to schedule and
+ * remove timers.
+ *
+ * Copyright (C) 2013 by Open Source Routing.
+ * Copyright (C) 2013 by Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This file is part of Quagga
+ */
+
+#include <zebra.h>
+
+#include <stdio.h>
+#include <unistd.h>
+
+#include "frrevent.h"
+#include "prng.h"
+
+#define SCHEDULE_TIMERS 1000000
+#define REMOVE_TIMERS    500000
+
+struct event_loop *master;
+
+static void dummy_func(struct event *thread)
+{
+}
+
+int main(int argc, char **argv)
+{
+	struct prng *prng;
+	int i;
+	struct event **timers;
+	struct timeval tv_start, tv_lap, tv_stop;
+	unsigned long t_schedule, t_remove;
+
+	master = event_master_create(NULL);
+	prng = prng_new(0);
+	timers = calloc(SCHEDULE_TIMERS, sizeof(*timers));
+
+	/* create thread structures so they won't be allocated during the
+	 * time measurement */
+	for (i = 0; i < SCHEDULE_TIMERS; i++) {
+		event_add_timer_msec(master, dummy_func, NULL, 0, &timers[i]);
+	}
+	for (i = 0; i < SCHEDULE_TIMERS; i++)
+		event_cancel(&timers[i]);
+
+	monotime(&tv_start);
+
+	for (i = 0; i < SCHEDULE_TIMERS; i++) {
+		long interval_msec;
+
+		interval_msec = prng_rand(prng) % (100 * SCHEDULE_TIMERS);
+		event_add_timer_msec(master, dummy_func, NULL, interval_msec,
+				     &timers[i]);
+	}
+
+	monotime(&tv_lap);
+
+	for (i = 0; i < REMOVE_TIMERS; i++) {
+		int index;
+
+		index = prng_rand(prng) % SCHEDULE_TIMERS;
+		event_cancel(&timers[index]);
+	}
+
+	monotime(&tv_stop);
+
+	t_schedule = 1000 * (tv_lap.tv_sec - tv_start.tv_sec);
+	t_schedule += (tv_lap.tv_usec - tv_start.tv_usec) / 1000;
+
+	t_remove = 1000 * (tv_stop.tv_sec - tv_lap.tv_sec);
+	t_remove += (tv_stop.tv_usec - tv_lap.tv_usec) / 1000;
+
+	printf("Scheduling %d random timers took %lu.%03lu seconds.\n",
+	       SCHEDULE_TIMERS, t_schedule / 1000, t_schedule % 1000);
+	printf("Removing %d random timers took %lu.%03lu seconds.\n",
+	       REMOVE_TIMERS, t_remove / 1000, t_remove % 1000);
+	fflush(stdout);
+
+	free(timers);
+	event_master_free(master);
+	prng_free(prng);
+	return 0;
+}
diff --git a/tests/lib/test_ttable.c b/tests/lib/test_ttable.c
new file mode 100644
index 0000000..562ddf9
--- /dev/null
+++ b/tests/lib/test_ttable.c
@@ -0,0 +1,169 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * ASCII table generator.
+ * Copyright (C) 2017  Cumulus Networks
+ * Quentin Young
+ */
+#include <zebra.h>
+#include <termtable.h>
+#include <memory.h>
+
+int main(int argc, char **argv)
+{
+	char *table;
+
+	struct ttable *tt = ttable_new(&ttable_styles[TTSTYLE_ASCII]);
+
+	/* test printf compatibility and dimension counters */
+	ttable_add_row(tt, "%s|%s|%s", "Column 1", "Column 2", "Column 3");
+	assert(tt->ncols == 3);
+	assert(tt->nrows == 1);
+	table = ttable_dump(tt, "\n");
+	fprintf(stdout, "%s\n", table);
+	XFREE(MTYPE_TMP, table);
+
+	/* add new row with 1 column, assert that it is not added */
+	assert(ttable_add_row(tt, "%s", "Garbage") == NULL);
+	assert(tt->ncols == 3);
+	assert(tt->nrows == 1);
+	table = ttable_dump(tt, "\n");
+	fprintf(stdout, "%s\n", table);
+	XFREE(MTYPE_TMP, table);
+
+	/* add new row, assert that it is added */
+	assert(ttable_add_row(tt, "%s|%s|%s", "a", "b", "c"));
+	assert(tt->ncols == 3);
+	assert(tt->nrows == 2);
+	table = ttable_dump(tt, "\n");
+	fprintf(stdout, "%s\n", table);
+	XFREE(MTYPE_TMP, table);
+
+	/* add empty row, assert that it is added */
+	assert(ttable_add_row(tt, "||"));
+	assert(tt->ncols == 3);
+	assert(tt->nrows == 3);
+	table = ttable_dump(tt, "\n");
+	fprintf(stdout, "%s\n", table);
+	XFREE(MTYPE_TMP, table);
+
+	/* delete 1st row, assert that it is removed */
+	ttable_del_row(tt, 0);
+	assert(tt->ncols == 3);
+	assert(tt->nrows == 2);
+	table = ttable_dump(tt, "\n");
+	fprintf(stdout, "%s\n", table);
+	XFREE(MTYPE_TMP, table);
+
+	/* delete last row, assert that it is removed */
+	ttable_del_row(tt, 0);
+	assert(tt->ncols == 3);
+	assert(tt->nrows == 1);
+	table = ttable_dump(tt, "\n");
+	fprintf(stdout, "%s\n", table);
+	XFREE(MTYPE_TMP, table);
+
+	/* delete the remaining row, check dumping an empty table */
+	ttable_del_row(tt, 0);
+	assert(tt->ncols == 0);
+	assert(tt->nrows == 0);
+	table = ttable_dump(tt, "\n");
+	fprintf(stdout, "%s\n", table);
+	XFREE(MTYPE_TMP, table);
+
+	/* add new row */
+	ttable_add_row(tt, "%s|%s||%s|%9d", "slick", "black", "triple", 1337);
+	assert(tt->ncols == 5);
+	assert(tt->nrows == 1);
+	table = ttable_dump(tt, "\n");
+	fprintf(stdout, "%s\n", table);
+	XFREE(MTYPE_TMP, table);
+
+	/* add bigger row */
+	ttable_add_row(tt, "%s|%s||%s|%s",
+		       "nebula dusk session streets twilight pioneer beats yeah",
+		       "prarie dog", "cornmeal", ":O -*_-*");
+	assert(tt->ncols == 5);
+	assert(tt->nrows == 2);
+	table = ttable_dump(tt, "\n");
+	fprintf(stdout, "%s\n", table);
+	XFREE(MTYPE_TMP, table);
+
+	/* insert new row at beginning */
+	ttable_insert_row(tt, 0, "%s|%s||%d|%lf", "converting", "vegetarians",
+			  2, 2015.0);
+	assert(tt->ncols == 5);
+	assert(tt->nrows == 3);
+	table = ttable_dump(tt, "\n");
+	fprintf(stdout, "%s\n", table);
+	XFREE(MTYPE_TMP, table);
+
+	/* insert new row at end */
+	ttable_insert_row(tt, tt->nrows - 1, "%s|%s||%d|%ld", "converting",
+			  "vegetarians", 1, 2003L);
+	assert(tt->ncols == 5);
+	assert(tt->nrows == 4);
+	table = ttable_dump(tt, "\n");
+	fprintf(stdout, "%s\n", table);
+	XFREE(MTYPE_TMP, table);
+
+	/* insert new row at middle */
+	ttable_insert_row(tt, 1, "%s|%s||%s|%ld", "she", "pioneer", "aki", 1l);
+	assert(tt->ncols == 5);
+	assert(tt->nrows == 5);
+	table = ttable_dump(tt, "\n");
+	fprintf(stdout, "%s\n", table);
+	XFREE(MTYPE_TMP, table);
+
+	/* set alignment */
+	ttable_align(tt, 0, 1, 2, 2, LEFT);
+	assert(tt->ncols == 5);
+	assert(tt->nrows == 5);
+	table = ttable_dump(tt, "\n");
+	fprintf(stdout, "%s\n", table);
+	XFREE(MTYPE_TMP, table);
+
+	ttable_align(tt, 0, 1, 5, 1, RIGHT);
+	assert(tt->ncols == 5);
+	assert(tt->nrows == 5);
+	table = ttable_dump(tt, "\n");
+	fprintf(stdout, "%s\n", table);
+	XFREE(MTYPE_TMP, table);
+
+	/* set padding */
+	ttable_pad(tt, 0, 1, 1, 1, RIGHT, 2);
+	assert(tt->ncols == 5);
+	assert(tt->nrows == 5);
+	table = ttable_dump(tt, "\n");
+	fprintf(stdout, "%s\n", table);
+	XFREE(MTYPE_TMP, table);
+
+	ttable_pad(tt, 0, 0, 5, 4, LEFT, 2);
+	assert(tt->ncols == 5);
+	assert(tt->nrows == 5);
+	table = ttable_dump(tt, "\n");
+	fprintf(stdout, "%s\n", table);
+	XFREE(MTYPE_TMP, table);
+
+	/* restyle */
+	tt->style.cell.border.bottom_on = false;
+	tt->style.cell.border.top_on = false;
+	tt->style.cell.border.right_on = false;
+	tt->style.cell.border.left_on = false;
+	ttable_restyle(tt);
+
+	/* top & double bottom border for top row */
+	ttable_rowseps(tt, 0, BOTTOM, true, '-');
+	ttable_rowseps(tt, 1, TOP, true, '-');
+	table = ttable_dump(tt, "\n");
+	fprintf(stdout, "%s\n", table);
+	XFREE(MTYPE_TMP, table);
+
+	/* column separators for leftmost column */
+	ttable_colseps(tt, 0, RIGHT, true, '|');
+	table = ttable_dump(tt, "\n");
+	fprintf(stdout, "%s\n", table);
+	XFREE(MTYPE_TMP, table);
+
+	/* delete table */
+	ttable_del(tt);
+}
diff --git a/tests/lib/test_ttable.py b/tests/lib/test_ttable.py
new file mode 100644
index 0000000..9151181
--- /dev/null
+++ b/tests/lib/test_ttable.py
@@ -0,0 +1,5 @@
+import frrtest
+
+
+class TestTTable(frrtest.TestRefOut):
+    program = "./test_ttable"
diff --git a/tests/lib/test_ttable.refout b/tests/lib/test_ttable.refout
new file mode 100644
index 0000000..fb59c0f
--- /dev/null
+++ b/tests/lib/test_ttable.refout
@@ -0,0 +1,143 @@
+ |--------------------------------|
+ | Column 1 | Column 2 | Column 3 |
+ |--------------------------------|
+
+ |--------------------------------|
+ | Column 1 | Column 2 | Column 3 |
+ |--------------------------------|
+
+ |--------------------------------|
+ | Column 1 | Column 2 | Column 3 |
+ |----------+----------+----------|
+ | a        | b        | c        |
+ |--------------------------------|
+
+ |--------------------------------|
+ | Column 1 | Column 2 | Column 3 |
+ |----------+----------+----------|
+ | a        | b        | c        |
+ |----------+----------+----------|
+ |          |          |          |
+ |--------------------------------|
+
+ |-----------|
+ | a | b | c |
+ |---+---+---|
+ |   |   |   |
+ |-----------|
+
+ |--------|
+ |  |  |  |
+ |--------|
+
+ ||
+ ||
+
+ |---------------------------------------|
+ | slick | black |  | triple |      1337 |
+ |---------------------------------------|
+
+ |------------------------------------------------------------------------------------------------|
+ | slick                                                   | black      |  | triple   |      1337 |
+ |---------------------------------------------------------+------------+--+----------+-----------|
+ | nebula dusk session streets twilight pioneer beats yeah | prarie dog |  | cornmeal | :O -*_-*  |
+ |------------------------------------------------------------------------------------------------|
+
+ |---------------------------------------------------------------------------------------------------|
+ | converting                                              | vegetarians |  | 2        | 2015.000000 |
+ |---------------------------------------------------------+-------------+--+----------+-------------|
+ | slick                                                   | black       |  | triple   |      1337   |
+ |---------------------------------------------------------+-------------+--+----------+-------------|
+ | nebula dusk session streets twilight pioneer beats yeah | prarie dog  |  | cornmeal | :O -*_-*    |
+ |---------------------------------------------------------------------------------------------------|
+
+ |---------------------------------------------------------------------------------------------------|
+ | converting                                              | vegetarians |  | 2        | 2015.000000 |
+ |---------------------------------------------------------+-------------+--+----------+-------------|
+ | slick                                                   | black       |  | triple   |      1337   |
+ |---------------------------------------------------------+-------------+--+----------+-------------|
+ | converting                                              | vegetarians |  | 1        | 2003        |
+ |---------------------------------------------------------+-------------+--+----------+-------------|
+ | nebula dusk session streets twilight pioneer beats yeah | prarie dog  |  | cornmeal | :O -*_-*    |
+ |---------------------------------------------------------------------------------------------------|
+
+ |---------------------------------------------------------------------------------------------------|
+ | converting                                              | vegetarians |  | 2        | 2015.000000 |
+ |---------------------------------------------------------+-------------+--+----------+-------------|
+ | she                                                     | pioneer     |  | aki      | 1           |
+ |---------------------------------------------------------+-------------+--+----------+-------------|
+ | slick                                                   | black       |  | triple   |      1337   |
+ |---------------------------------------------------------+-------------+--+----------+-------------|
+ | converting                                              | vegetarians |  | 1        | 2003        |
+ |---------------------------------------------------------+-------------+--+----------+-------------|
+ | nebula dusk session streets twilight pioneer beats yeah | prarie dog  |  | cornmeal | :O -*_-*    |
+ |---------------------------------------------------------------------------------------------------|
+
+ |---------------------------------------------------------------------------------------------------|
+ | converting                                              | vegetarians |  | 2        | 2015.000000 |
+ |---------------------------------------------------------+-------------+--+----------+-------------|
+ | she                                                     | pioneer     |  | aki      | 1           |
+ |---------------------------------------------------------+-------------+--+----------+-------------|
+ | slick                                                   | black       |  | triple   |      1337   |
+ |---------------------------------------------------------+-------------+--+----------+-------------|
+ | converting                                              | vegetarians |  | 1        | 2003        |
+ |---------------------------------------------------------+-------------+--+----------+-------------|
+ | nebula dusk session streets twilight pioneer beats yeah | prarie dog  |  | cornmeal | :O -*_-*    |
+ |---------------------------------------------------------------------------------------------------|
+
+ |---------------------------------------------------------------------------------------------------|
+ | converting                                              | vegetarians |  | 2        | 2015.000000 |
+ |---------------------------------------------------------+-------------+--+----------+-------------|
+ | she                                                     |     pioneer |  | aki      | 1           |
+ |---------------------------------------------------------+-------------+--+----------+-------------|
+ | slick                                                   |       black |  | triple   |      1337   |
+ |---------------------------------------------------------+-------------+--+----------+-------------|
+ | converting                                              | vegetarians |  | 1        | 2003        |
+ |---------------------------------------------------------+-------------+--+----------+-------------|
+ | nebula dusk session streets twilight pioneer beats yeah |  prarie dog |  | cornmeal | :O -*_-*    |
+ |---------------------------------------------------------------------------------------------------|
+
+ |----------------------------------------------------------------------------------------------------|
+ | converting                                              | vegetarians  |  | 2        | 2015.000000 |
+ |---------------------------------------------------------+--------------+--+----------+-------------|
+ | she                                                     |      pioneer |  | aki      | 1           |
+ |---------------------------------------------------------+--------------+--+----------+-------------|
+ | slick                                                   |        black |  | triple   |      1337   |
+ |---------------------------------------------------------+--------------+--+----------+-------------|
+ | converting                                              |  vegetarians |  | 1        | 2003        |
+ |---------------------------------------------------------+--------------+--+----------+-------------|
+ | nebula dusk session streets twilight pioneer beats yeah |   prarie dog |  | cornmeal | :O -*_-*    |
+ |----------------------------------------------------------------------------------------------------|
+
+ |--------------------------------------------------------------------------------------------------------|
+ |  converting                                              |  vegetarians  |   |  2        | 2015.000000 |
+ |----------------------------------------------------------+---------------+---+-----------+-------------|
+ |  she                                                     |       pioneer |   |  aki      | 1           |
+ |----------------------------------------------------------+---------------+---+-----------+-------------|
+ |  slick                                                   |         black |   |  triple   |      1337   |
+ |----------------------------------------------------------+---------------+---+-----------+-------------|
+ |  converting                                              |   vegetarians |   |  1        | 2003        |
+ |----------------------------------------------------------+---------------+---+-----------+-------------|
+ |  nebula dusk session streets twilight pioneer beats yeah |    prarie dog |   |  cornmeal | :O -*_-*    |
+ |--------------------------------------------------------------------------------------------------------|
+
+ |-----------------------------------------------------------------------------------------------|
+ | converting                                               vegetarians    2         2015.000000 |
+ |-----------------------------------------------------------------------------------------------|
+ |-----------------------------------------------------------------------------------------------|
+ | she                                                      pioneer        aki       1           |
+ | slick                                                    black          triple         1337   |
+ | converting                                               vegetarians    1         2003        |
+ | nebula dusk session streets twilight pioneer beats yeah  prarie dog     cornmeal  :O -*_-*    |
+ |-----------------------------------------------------------------------------------------------|
+
+ |------------------------------------------------------------------------------------------------|
+ | converting                                              | vegetarians    2         2015.000000 |
+ |---------------------------------------------------------+--------------------------------------|
+ |---------------------------------------------------------+--------------------------------------|
+ | she                                                     | pioneer        aki       1           |
+ | slick                                                   | black          triple         1337   |
+ | converting                                              | vegetarians    1         2003        |
+ | nebula dusk session streets twilight pioneer beats yeah | prarie dog     cornmeal  :O -*_-*    |
+ |------------------------------------------------------------------------------------------------|
+
diff --git a/tests/lib/test_typelist.c b/tests/lib/test_typelist.c
new file mode 100644
index 0000000..070a304
--- /dev/null
+++ b/tests/lib/test_typelist.c
@@ -0,0 +1,161 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Copyright (c) 2016-2018  David Lamparter, for NetDEF, Inc.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <inttypes.h>
+#include <string.h>
+#include <unistd.h>
+#include <assert.h>
+#include <arpa/inet.h>
+
+#define WNO_ATOMLIST_UNSAFE_FIND
+
+#include "typesafe.h"
+#include "atomlist.h"
+#include "memory.h"
+#include "monotime.h"
+#include "jhash.h"
+#include "sha256.h"
+#include "printfrr.h"
+
+#include "tests/helpers/c/prng.h"
+
+/* note: these macros are layered 2-deep because that makes the C
+ * preprocessor expand the "type" argument.  Otherwise, you get
+ * "PREDECL_type" instead of "PREDECL_LIST"
+ */
+#define _concat(a, b)		a ## b
+#define concat(a, b)		_concat(a, b)
+#define _str(x)			#x
+#define str(x)			_str(x)
+
+#define _PREDECL(type, ...)	PREDECL_##type(__VA_ARGS__)
+#define PREDECL(type, ...)	_PREDECL(type, __VA_ARGS__)
+#define _DECLARE(type, ...)	DECLARE_##type(__VA_ARGS__)
+#define DECLARE(type, ...)	_DECLARE(type, __VA_ARGS__)
+
+#define T_SORTED		(1 << 0)
+#define T_UNIQ			(1 << 1)
+#define T_HASH			(1 << 2)
+#define T_HEAP			(1 << 3)
+#define T_ATOMIC		(1 << 4)
+#define T_REVERSE		(1 << 5)
+
+#define _T_LIST			(0)
+#define _T_DLIST		(0                 | T_REVERSE)
+#define _T_ATOMLIST		(0                 | T_ATOMIC)
+#define _T_HEAP			(T_SORTED          | T_HEAP)
+#define _T_SORTLIST_UNIQ	(T_SORTED | T_UNIQ)
+#define _T_SORTLIST_NONUNIQ	(T_SORTED)
+#define _T_HASH			(T_SORTED | T_UNIQ | T_HASH)
+#define _T_SKIPLIST_UNIQ	(T_SORTED | T_UNIQ)
+#define _T_SKIPLIST_NONUNIQ	(T_SORTED)
+#define _T_RBTREE_UNIQ		(T_SORTED | T_UNIQ | T_REVERSE)
+#define _T_RBTREE_NONUNIQ	(T_SORTED          | T_REVERSE)
+#define _T_ATOMSORT_UNIQ	(T_SORTED | T_UNIQ | T_ATOMIC)
+#define _T_ATOMSORT_NONUNIQ	(T_SORTED          | T_ATOMIC)
+
+#define _T_TYPE(type)		_T_##type
+#define IS_SORTED(type)		(_T_TYPE(type) & T_SORTED)
+#define IS_UNIQ(type)		(_T_TYPE(type) & T_UNIQ)
+#define IS_HASH(type)		(_T_TYPE(type) & T_HASH)
+#define IS_HEAP(type)		(_T_TYPE(type) & T_HEAP)
+#define IS_ATOMIC(type)		(_T_TYPE(type) & T_ATOMIC)
+#define IS_REVERSE(type)	(_T_TYPE(type) & T_REVERSE)
+
+static struct timeval ref, ref0;
+
+static void ts_start(void)
+{
+	monotime(&ref0);
+	monotime(&ref);
+}
+static void ts_ref(const char *text)
+{
+	int64_t us;
+	us = monotime_since(&ref, NULL);
+	printfrr("%7"PRId64"us  %s\n", us, text);
+	monotime(&ref);
+}
+static void ts_end(void)
+{
+	int64_t us;
+	us = monotime_since(&ref0, NULL);
+	printfrr("%7"PRId64"us  total\n", us);
+}
+
+#define TYPE LIST
+#include "test_typelist.h"
+
+#define TYPE DLIST
+#include "test_typelist.h"
+
+#define TYPE ATOMLIST
+#include "test_typelist.h"
+
+#define TYPE HEAP
+#include "test_typelist.h"
+
+#define TYPE SORTLIST_UNIQ
+#include "test_typelist.h"
+
+#define TYPE SORTLIST_NONUNIQ
+#include "test_typelist.h"
+
+#define TYPE HASH
+#include "test_typelist.h"
+
+#define TYPE HASH_collisions
+#define REALTYPE HASH
+#define SHITTY_HASH
+#include "test_typelist.h"
+#undef SHITTY_HASH
+
+#define TYPE SKIPLIST_UNIQ
+#include "test_typelist.h"
+
+#define TYPE SKIPLIST_NONUNIQ
+#include "test_typelist.h"
+
+#define TYPE RBTREE_UNIQ
+#include "test_typelist.h"
+
+#define TYPE RBTREE_NONUNIQ
+#include "test_typelist.h"
+
+#define TYPE ATOMSORT_UNIQ
+#include "test_typelist.h"
+
+#define TYPE ATOMSORT_NONUNIQ
+#include "test_typelist.h"
+
+int main(int argc, char **argv)
+{
+	srandom(1);
+
+	test_LIST();
+	test_DLIST();
+	test_ATOMLIST();
+	test_HEAP();
+	test_SORTLIST_UNIQ();
+	test_SORTLIST_NONUNIQ();
+	test_HASH();
+	test_HASH_collisions();
+	test_SKIPLIST_UNIQ();
+	test_SKIPLIST_NONUNIQ();
+	test_RBTREE_UNIQ();
+	test_RBTREE_NONUNIQ();
+	test_ATOMSORT_UNIQ();
+	test_ATOMSORT_NONUNIQ();
+
+	log_memstats_stderr("test: ");
+	return 0;
+}
diff --git a/tests/lib/test_typelist.h b/tests/lib/test_typelist.h
new file mode 100644
index 0000000..80c4005
--- /dev/null
+++ b/tests/lib/test_typelist.h
@@ -0,0 +1,822 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Copyright (c) 2019  David Lamparter, for NetDEF, Inc.
+ */
+
+/* C++ called, they want their templates back */
+#define item		concat(item_, TYPE)
+#define itm		concat(itm_, TYPE)
+#define itmswap		concat(itmswap_, TYPE)
+#define head		concat(head_, TYPE)
+#define list		concat(TYPE, )
+#define list_head	concat(TYPE, _head)
+#define list_item	concat(TYPE, _item)
+#define list_cmp	concat(TYPE, _cmp)
+#define list_hash	concat(TYPE, _hash)
+#define list_init	concat(TYPE, _init)
+#define list_fini	concat(TYPE, _fini)
+#define list_const_first concat(TYPE, _const_first)
+#define list_first	concat(TYPE, _first)
+#define list_const_next	concat(TYPE, _const_next)
+#define list_next	concat(TYPE, _next)
+#define list_next_safe	concat(TYPE, _next_safe)
+#define list_const_last concat(TYPE, _const_last)
+#define list_last	concat(TYPE, _last)
+#define list_const_prev	concat(TYPE, _const_prev)
+#define list_prev	concat(TYPE, _prev)
+#define list_prev_safe	concat(TYPE, _prev_safe)
+#define list_count	concat(TYPE, _count)
+#define list_add	concat(TYPE, _add)
+#define list_add_head	concat(TYPE, _add_head)
+#define list_add_tail	concat(TYPE, _add_tail)
+#define list_add_after	concat(TYPE, _add_after)
+#define list_find	concat(TYPE, _find)
+#define list_find_lt	concat(TYPE, _find_lt)
+#define list_find_gteq	concat(TYPE, _find_gteq)
+#define list_member	concat(TYPE, _member)
+#define list_anywhere	concat(TYPE, _anywhere)
+#define list_del	concat(TYPE, _del)
+#define list_pop	concat(TYPE, _pop)
+#define list_swap_all	concat(TYPE, _swap_all)
+
+#define ts_hash_head	concat(ts_hash_head_, TYPE)
+
+#ifndef REALTYPE
+#define REALTYPE TYPE
+#endif
+
+PREDECL(REALTYPE, list);
+struct item {
+	uint64_t val;
+	struct list_item itm;
+	int scratchpad;
+};
+
+#if IS_SORTED(REALTYPE)
+static int list_cmp(const struct item *a, const struct item *b);
+
+#if IS_HASH(REALTYPE)
+static uint32_t list_hash(const struct item *a);
+DECLARE(REALTYPE, list, struct item, itm, list_cmp, list_hash);
+
+static uint32_t list_hash(const struct item *a)
+{
+#ifdef SHITTY_HASH
+	/* crappy hash to get some hash collisions */
+	return (a->val & 0xFF) ^ (a->val << 29) ^ 0x55AA0000U;
+#else
+	return jhash_1word(a->val, 0xdeadbeef);
+#endif
+}
+
+#else
+DECLARE(REALTYPE, list, struct item, itm, list_cmp);
+#endif
+
+static int list_cmp(const struct item *a, const struct item *b)
+{
+	if (a->val > b->val)
+		return 1;
+	if (a->val < b->val)
+		return -1;
+	return 0;
+}
+
+#else /* !IS_SORTED */
+DECLARE(REALTYPE, list, struct item, itm);
+#endif
+
+#define NITEM 10000
+#define NITEM_SWAP 100 /* other container for swap */
+struct item itm[NITEM], itmswap[NITEM_SWAP];
+static struct list_head head = concat(INIT_, REALTYPE)(head);
+
+static void ts_hash_head(struct list_head *h, const char *text,
+			 const char *expect)
+{
+	int64_t us = monotime_since(&ref, NULL);
+	SHA256_CTX ctx;
+	struct item *item;
+	unsigned i = 0;
+	uint8_t hash[32];
+	char hashtext[65];
+	uint32_t swap_count, count;
+
+	count = list_count(h);
+	swap_count = htonl(count);
+
+	SHA256_Init(&ctx);
+	SHA256_Update(&ctx, &swap_count, sizeof(swap_count));
+
+	frr_each (list, h, item) {
+		struct {
+			uint32_t val_upper, val_lower, index;
+		} hashitem = {
+			htonl(item->val >> 32),
+			htonl(item->val & 0xFFFFFFFFULL),
+			htonl(i),
+		};
+		SHA256_Update(&ctx, &hashitem, sizeof(hashitem));
+		i++;
+		assert(i <= count);
+	}
+	SHA256_Final(hash, &ctx);
+
+	for (i = 0; i < sizeof(hash); i++)
+		sprintf(hashtext + i * 2, "%02x", hash[i]);
+
+	printfrr("%7"PRId64"us  %-25s %s%s\n", us, text,
+	       expect ? " " : "*", hashtext);
+	if (expect && strcmp(expect, hashtext)) {
+		printfrr("%-21s %s\n", "EXPECTED:", expect);
+		assert(0);
+	}
+	monotime(&ref);
+}
+/* hashes will have different item ordering */
+#if IS_HASH(REALTYPE) || IS_HEAP(REALTYPE)
+#define ts_hash(pos, csum) ts_hash_head(&head, pos, NULL)
+#define ts_hashx(pos, csum) ts_hash_head(&head, pos, NULL)
+#define ts_hash_headx(head, pos, csum) ts_hash_head(head, pos, NULL)
+#else
+#define ts_hash(pos, csum) ts_hash_head(&head, pos, csum)
+#define ts_hashx(pos, csum) ts_hash_head(&head, pos, csum)
+#define ts_hash_headx(head, pos, csum) ts_hash_head(head, pos, csum)
+#endif
+
+static void concat(test_, TYPE)(void)
+{
+	size_t i, j, k, l;
+	struct prng *prng;
+	struct prng *prng_swap __attribute__((unused));
+	struct item *item, *prev __attribute__((unused));
+	struct item dummy __attribute__((unused));
+
+	memset(itm, 0, sizeof(itm));
+	for (i = 0; i < NITEM; i++)
+		itm[i].val = i;
+
+	memset(itmswap, 0, sizeof(itmswap));
+	for (i = 0; i < NITEM_SWAP; i++)
+		itmswap[i].val = i;
+
+	printfrr("%s start\n", str(TYPE));
+	ts_start();
+
+	list_init(&head);
+	assert(list_first(&head) == NULL);
+#if IS_REVERSE(REALTYPE)
+	assert(list_last(&head) == NULL);
+#endif
+
+	ts_hash("init", "df3f619804a92fdb4057192dc43dd748ea778adc52bc498ce80524c014b81119");
+
+#if !IS_ATOMIC(REALTYPE)
+	assert(!list_member(&head, &itm[0]));
+	assert(!list_member(&head, &itm[1]));
+#endif
+
+#if IS_SORTED(REALTYPE)
+	prng = prng_new(0);
+	k = 0;
+	for (i = 0; i < NITEM; i++) {
+		j = prng_rand(prng) % NITEM;
+		if (itm[j].scratchpad == 0) {
+			list_add(&head, &itm[j]);
+			itm[j].scratchpad = 1;
+			k++;
+		}
+#if !IS_HEAP(REALTYPE)
+		else
+			assert(list_add(&head, &itm[j]) == &itm[j]);
+#endif
+	}
+	assert(list_count(&head) == k);
+	assert(list_first(&head) != NULL);
+	ts_hashx("fill", "a538546a6e6ab0484e925940aa8dd02fd934408bbaed8cb66a0721841584d838");
+
+#if !IS_ATOMIC(REALTYPE)
+	struct list_head other;
+
+	list_init(&other);
+	list_swap_all(&head, &other);
+
+	assert(list_count(&head) == 0);
+	assert(!list_first(&head));
+	assert(list_count(&other) == k);
+	assert(list_first(&other) != NULL);
+#if IS_REVERSE(REALTYPE)
+	assert(!list_last(&head));
+	assert(list_last(&other) != NULL);
+#endif
+	ts_hash_headx(
+		&other, "swap1",
+		"a538546a6e6ab0484e925940aa8dd02fd934408bbaed8cb66a0721841584d838");
+
+	prng_swap = prng_new(0x1234dead);
+	l = 0;
+	for (i = 0; i < NITEM_SWAP; i++) {
+		j = prng_rand(prng_swap) % NITEM_SWAP;
+		if (itmswap[j].scratchpad == 0) {
+			list_add(&head, &itmswap[j]);
+			itmswap[j].scratchpad = 1;
+			l++;
+		}
+#if !IS_HEAP(REALTYPE)
+		else {
+			struct item *rv = list_add(&head, &itmswap[j]);
+			assert(rv == &itmswap[j]);
+		}
+#endif
+	}
+	assert(list_count(&head) == l);
+	assert(list_first(&head) != NULL);
+	ts_hash_headx(
+		&head, "swap-fill",
+		"26df437174051cf305d1bbb62d779ee450ca764167a1e7a94be1aece420008e6");
+
+	list_swap_all(&head, &other);
+
+	assert(list_count(&other) == l);
+	assert(list_first(&other));
+	ts_hash_headx(
+		&other, "swap2a",
+		"26df437174051cf305d1bbb62d779ee450ca764167a1e7a94be1aece420008e6");
+	assert(list_count(&head) == k);
+	assert(list_first(&head) != NULL);
+	ts_hash_headx(
+		&head, "swap2b",
+		"a538546a6e6ab0484e925940aa8dd02fd934408bbaed8cb66a0721841584d838");
+
+	while (list_pop(&other))
+		;
+	list_fini(&other);
+	prng_free(prng_swap);
+
+	ts_ref("swap-cleanup");
+#endif /* !IS_ATOMIC */
+
+	k = 0;
+
+#if IS_ATOMIC(REALTYPE)
+	struct list_head *chead = &head;
+	struct item *citem, *cprev = NULL;
+
+	frr_each(list, chead, citem) {
+#else
+	const struct list_head *chead = &head;
+	const struct item *citem, *cprev = NULL;
+
+	frr_each(list_const, chead, citem) {
+#endif
+
+#if IS_HASH(REALTYPE) || IS_HEAP(REALTYPE)
+		/* hash table doesn't give sorting */
+		(void)cprev;
+#else
+		assert(!cprev || cprev->val < citem->val);
+#if IS_REVERSE(REALTYPE)
+		assert(list_const_prev(chead, citem) == cprev);
+#endif
+#endif
+		cprev = citem;
+		k++;
+	}
+	assert(list_count(chead) == k);
+#if IS_REVERSE(REALTYPE)
+	assert(cprev == list_const_last(chead));
+#endif
+	ts_ref("walk");
+
+#if IS_REVERSE(REALTYPE) && !IS_HASH(REALTYPE) && !IS_HEAP(REALTYPE)
+	cprev = NULL;
+	k = 0;
+
+	frr_rev_each(list_const, chead, citem) {
+		assert(!cprev || cprev->val > citem->val);
+		assert(list_const_next(chead, citem) == cprev);
+
+		cprev = citem;
+		k++;
+	}
+	assert(list_count(chead) == k);
+	assert(cprev == list_const_first(chead));
+
+	ts_ref("reverse-walk");
+#endif
+
+#if IS_UNIQ(REALTYPE)
+	prng_free(prng);
+	prng = prng_new(0);
+
+	for (i = 0; i < NITEM; i++) {
+		j = prng_rand(prng) % NITEM;
+		dummy.val = j;
+		assert(list_find(&head, &dummy) == &itm[j]);
+	}
+	ts_ref("find");
+
+	for (i = 0; i < NITEM; i++) {
+		j = prng_rand(prng) % NITEM;
+		memset(&dummy, 0, sizeof(dummy));
+		dummy.val = j;
+		if (itm[j].scratchpad)
+			assert(list_add(&head, &dummy) == &itm[j]);
+		else {
+			assert(list_add(&head, &dummy) == NULL);
+			assert(list_del(&head, &dummy) != NULL);
+		}
+	}
+	ts_hashx("add-dup", "a538546a6e6ab0484e925940aa8dd02fd934408bbaed8cb66a0721841584d838");
+
+#elif IS_HEAP(REALTYPE)
+	/* heap - partially sorted. */
+	prev = NULL;
+	l = k / 4;
+	for (i = 0; i < l; i++) {
+		item = list_pop(&head);
+		if (prev)
+			assert(prev->val < item->val);
+		item->scratchpad = 0;
+		k--;
+		prev = item;
+	}
+	ts_hash("pop#1", NULL);
+
+	for (i = 0; i < NITEM; i++)
+		assertf(list_member(&head, &itm[i]) == itm[i].scratchpad,
+			"%zu should:%d is:%d", i, itm[i].scratchpad,
+			list_member(&head, &itm[i]));
+	ts_hash("member", NULL);
+
+	l = k / 2;
+	for (; i < l; i++) {
+		item = list_pop(&head);
+		if (prev)
+			assert(prev->val < item->val);
+		item->scratchpad = 0;
+		k--;
+		prev = item;
+	}
+	ts_hash("pop#2", NULL);
+
+#else /* !IS_UNIQ(REALTYPE) && !IS_HEAP(REALTYPE) */
+	for (i = 0; i < NITEM; i++) {
+		j = prng_rand(prng) % NITEM;
+		memset(&dummy, 0, sizeof(dummy));
+		dummy.val = j;
+
+		list_add(&head, &dummy);
+		if (itm[j].scratchpad) {
+			struct item *lt, *gteq, dummy2;
+
+			assert(list_next(&head, &itm[j]) == &dummy ||
+				list_next(&head, &dummy) == &itm[j]);
+
+			memset(&dummy2, 0, sizeof(dummy));
+			dummy2.val = j;
+			lt = list_find_lt(&head, &dummy2);
+			gteq = list_find_gteq(&head, &dummy2);
+
+			assert(gteq == &itm[j] || gteq == &dummy);
+			if (lt)
+				assert(list_next(&head, lt) == &itm[j] ||
+					list_next(&head, lt) == &dummy);
+			else
+				assert(list_first(&head) == &itm[j] ||
+					list_first(&head) == &dummy);
+		} else if (list_next(&head, &dummy))
+			assert(list_next(&head, &dummy)->val > j);
+		assert(list_del(&head, &dummy) != NULL);
+	}
+	ts_hash("add-dup+find_{lt,gteq}", "a538546a6e6ab0484e925940aa8dd02fd934408bbaed8cb66a0721841584d838");
+#endif
+#if !IS_HASH(REALTYPE) && !IS_HEAP(REALTYPE)
+	prng_free(prng);
+	prng = prng_new(123456);
+
+	l = 0;
+	for (i = 0; i < NITEM; i++) {
+		struct item *lt, *gteq, *tmp;
+
+		j = prng_rand(prng) % NITEM;
+		dummy.val = j;
+
+		lt = list_find_lt(&head, &dummy);
+		gteq = list_find_gteq(&head, &dummy);
+
+		if (lt) {
+			assert(lt->val < j);
+			tmp = list_next(&head, lt);
+			assert(tmp == gteq);
+			assert(!tmp || tmp->val >= j);
+		} else
+			assert(gteq == list_first(&head));
+
+		if (gteq)
+			assert(gteq->val >= j);
+	}
+	ts_ref("find_{lt,gteq}");
+#endif /* !IS_HASH */
+
+	prng_free(prng);
+	prng = prng_new(0);
+
+	l = 0;
+	for (i = 0; i < NITEM; i++) {
+		(void)prng_rand(prng);
+		j = prng_rand(prng) % NITEM;
+		if (itm[j].scratchpad == 1) {
+			assert(list_del(&head, &itm[j]) != NULL);
+			itm[j].scratchpad = 0;
+			l++;
+		}
+	}
+	assert(l + list_count(&head) == k);
+	ts_hashx("del", "cb2e5d80f08a803ef7b56c15e981b681adcea214bebc2f55e12e0bfb242b07ca");
+
+#if !IS_ATOMIC(REALTYPE)
+	for (i = 0; i < NITEM; i++)
+		assertf(list_member(&head, &itm[i]) == itm[i].scratchpad,
+			"%zu should:%d is:%d", i, itm[i].scratchpad,
+			list_member(&head, &itm[i]));
+	ts_hashx("member", "cb2e5d80f08a803ef7b56c15e981b681adcea214bebc2f55e12e0bfb242b07ca");
+#endif
+
+	frr_each_safe(list, &head, item) {
+		assert(item->scratchpad != 0);
+
+		if (item->val & 1) {
+			assert(list_del(&head, item) != NULL);
+			item->scratchpad = 0;
+			l++;
+		}
+	}
+	assert(l + list_count(&head) == k);
+	ts_hashx("frr_each_safe+del", "e0beb71dd963a75af05b722b8e71b61b304587d860c8accdc4349067542b86bb");
+
+#else /* !IS_SORTED */
+	prng = prng_new(0);
+	k = 0;
+	for (i = 0; i < NITEM; i++) {
+		j = prng_rand(prng) % NITEM;
+		if (itm[j].scratchpad == 0) {
+			list_add_tail(&head, &itm[j]);
+			itm[j].scratchpad = 1;
+			k++;
+		}
+	}
+	assert(list_count(&head) == k);
+	assert(list_first(&head) != NULL);
+#if IS_REVERSE(REALTYPE)
+	assert(list_last(&head) != NULL);
+#endif
+	ts_hash("fill / add_tail", "eabfcf1413936daaf20965abced95762f45110a6619b84aac7d38481bce4ea19");
+
+#if !IS_ATOMIC(REALTYPE)
+	struct list_head other;
+
+	list_init(&other);
+	list_swap_all(&head, &other);
+
+	assert(list_count(&head) == 0);
+	assert(!list_first(&head));
+	assert(list_count(&other) == k);
+	assert(list_first(&other) != NULL);
+#if IS_REVERSE(REALTYPE)
+	assert(!list_last(&head));
+	assert(list_last(&other) != NULL);
+#endif
+	ts_hash_head(
+		&other, "swap1",
+		"eabfcf1413936daaf20965abced95762f45110a6619b84aac7d38481bce4ea19");
+
+	prng_swap = prng_new(0x1234dead);
+	l = 0;
+	for (i = 0; i < NITEM_SWAP; i++) {
+		j = prng_rand(prng_swap) % NITEM_SWAP;
+		if (itmswap[j].scratchpad == 0) {
+			list_add_tail(&head, &itmswap[j]);
+			itmswap[j].scratchpad = 1;
+			l++;
+		}
+	}
+	assert(list_count(&head) == l);
+	assert(list_first(&head) != NULL);
+	ts_hash_head(
+		&head, "swap-fill",
+		"833e6ae437e322dfbd36eda8cfc33a61109be735b43f15d256c05e52d1b01909");
+
+	list_swap_all(&head, &other);
+
+	assert(list_count(&other) == l);
+	assert(list_first(&other));
+	ts_hash_head(
+		&other, "swap2a",
+		"833e6ae437e322dfbd36eda8cfc33a61109be735b43f15d256c05e52d1b01909");
+	assert(list_count(&head) == k);
+	assert(list_first(&head) != NULL);
+	ts_hash_head(
+		&head, "swap2b",
+		"eabfcf1413936daaf20965abced95762f45110a6619b84aac7d38481bce4ea19");
+
+	while (list_pop(&other))
+		;
+	list_fini(&other);
+	prng_free(prng_swap);
+
+	ts_ref("swap-cleanup");
+#endif
+
+	for (i = 0; i < NITEM / 2; i++) {
+		j = prng_rand(prng) % NITEM;
+		if (itm[j].scratchpad == 1) {
+			assert(list_del(&head, &itm[j]) != NULL);
+			itm[j].scratchpad = 0;
+			k--;
+		}
+	}
+	ts_hash("del-prng", "86d568a95eb429dab3162976c5a5f3f75aabc835932cd682aa280b6923549564");
+
+#if !IS_ATOMIC(REALTYPE)
+	for (i = 0; i < NITEM; i++) {
+		assertf(list_member(&head, &itm[i]) == itm[i].scratchpad,
+			"%zu should:%d is:%d", i, itm[i].scratchpad,
+			list_member(&head, &itm[i]));
+		assertf(list_anywhere(&itm[i]) == itm[i].scratchpad,
+			"%zu should:%d is:%d", i, itm[i].scratchpad,
+			list_anywhere(&itm[i]));
+	}
+	ts_hash("member", "86d568a95eb429dab3162976c5a5f3f75aabc835932cd682aa280b6923549564");
+#endif
+
+	l = 0;
+	while (l < (k / 4) && (prev = list_pop(&head))) {
+		assert(prev->scratchpad != 0);
+
+		prev->scratchpad = 0;
+		l++;
+	}
+	ts_hash("pop#1", "42b8950c880535b2d2e0c980f9845f7841ecf675c0fb9801aec4170d2036349d");
+
+#if !IS_ATOMIC(REALTYPE)
+	for (i = 0; i < NITEM; i++) {
+		assertf(list_member(&head, &itm[i]) == itm[i].scratchpad,
+			"%zu should:%d is:%d", i, itm[i].scratchpad,
+			list_member(&head, &itm[i]));
+		assertf(list_anywhere(&itm[i]) == itm[i].scratchpad,
+			"%zu should:%d is:%d", i, itm[i].scratchpad,
+			list_anywhere(&itm[i]));
+	}
+	ts_hash("member", "42b8950c880535b2d2e0c980f9845f7841ecf675c0fb9801aec4170d2036349d");
+#endif
+#if IS_REVERSE(REALTYPE)
+	i = 0;
+	prev = NULL;
+
+	frr_rev_each (list, &head, item) {
+		assert(item->scratchpad != 0);
+		assert(list_next(&head, item) == prev);
+
+		i++;
+		prev = item;
+	}
+	assert(list_first(&head) == prev);
+	assert(list_count(&head) == i);
+	ts_hash("reverse-walk", "42b8950c880535b2d2e0c980f9845f7841ecf675c0fb9801aec4170d2036349d");
+#endif
+
+	while ((item = list_pop(&head))) {
+		assert(item->scratchpad != 0);
+
+		item->scratchpad = 0;
+		l++;
+	}
+	assert(l == k);
+	assert(list_count(&head) == 0);
+	assert(list_first(&head) == NULL);
+	ts_hash("pop#2", "df3f619804a92fdb4057192dc43dd748ea778adc52bc498ce80524c014b81119");
+
+	prng_free(prng);
+	prng = prng_new(0x1e5a2d69);
+
+	k = 0;
+	for (i = 0; i < NITEM; i++) {
+		j = prng_rand(prng) % NITEM;
+		if (itm[j].scratchpad == 0) {
+			list_add_head(&head, &itm[j]);
+			itm[j].scratchpad = 1;
+			k++;
+		}
+	}
+	assert(list_count(&head) == k);
+	assert(list_first(&head) != NULL);
+	ts_hash("fill / add_head", "3084d8f8a28b8c756ccc0a92d60d86f6d776273734ddc3f9e1d89526f5ca2795");
+
+	for (i = 0; i < NITEM / 2; i++) {
+		j = prng_rand(prng) % NITEM;
+		if (itm[j].scratchpad == 1) {
+			assert(list_del(&head, &itm[j]) != NULL);
+			itm[j].scratchpad = 0;
+			k--;
+		}
+	}
+	ts_hash("del-prng", "dc916fa7ea4418792c7c8232d74df2887f9975ead4222f4b977be6bc0b52285e");
+
+	l = 0;
+	while ((item = list_pop(&head))) {
+		assert(item->scratchpad != 0);
+
+		item->scratchpad = 0;
+		l++;
+	}
+	assert(l == k);
+	assert(list_count(&head) == 0);
+	assert(list_first(&head) == NULL);
+	ts_hash("pop", "df3f619804a92fdb4057192dc43dd748ea778adc52bc498ce80524c014b81119");
+
+	prng_free(prng);
+	prng = prng_new(0x692d1e5a);
+
+	k = 0;
+	for (i = 0; i < NITEM; i++) {
+		j = prng_rand(prng) % NITEM;
+		if (itm[j].scratchpad == 0) {
+			if (prng_rand(prng) & 1) {
+				list_add_tail(&head, &itm[j]);
+			} else {
+				list_add_head(&head, &itm[j]);
+			}
+			itm[j].scratchpad = 1;
+			k++;
+		}
+	}
+	assert(list_count(&head) == k);
+	assert(list_first(&head) != NULL);
+	ts_hash("fill / add_{head,tail}", "93fa180a575c96e4b6c3775c2de7843ee3254dd6ed5af699bbe155f994114b06");
+
+	for (i = 0; i < NITEM * 3; i++) {
+		int op = prng_rand(prng);
+		j = prng_rand(prng) % NITEM;
+
+		if (op & 1) {
+			/* delete or pop */
+			if (op & 2) {
+				item = list_pop(&head);
+				if (!item)
+					continue;
+			} else {
+				item = &itm[j];
+				if (item->scratchpad == 0)
+					continue;
+				assert(list_del(&head, item) != NULL);
+			}
+			item->scratchpad = 0;
+			k--;
+		} else {
+			item = &itm[j];
+			if (item->scratchpad != 0)
+				continue;
+
+			item->scratchpad = 1;
+			k++;
+
+			switch ((op >> 1) & 1) {
+			case 0:
+				list_add_head(&head, item);
+				break;
+			case 1:
+				list_add_tail(&head, item);
+				break;
+			default:
+				assert(0);
+			}
+		}
+	}
+	assert(list_count(&head) == k);
+	assert(list_first(&head) != NULL);
+	ts_hash("prng add/del", "4909f31d06bb006efca4dfeebddb8de071733ddf502f89b6d532155208bbc6df");
+
+#if !IS_ATOMIC(REALTYPE)
+	/* variant with add_after */
+
+	for (i = 0; i < NITEM * 3; i++) {
+		int op = prng_rand(prng);
+		j = prng_rand(prng) % NITEM;
+
+		if (op & 1) {
+			/* delete or pop */
+			if (op & 2) {
+				item = list_pop(&head);
+				if (!item)
+					continue;
+			} else {
+				item = &itm[j];
+				if (item->scratchpad == 0)
+					continue;
+				assert(list_del(&head, item) != NULL);
+			}
+			item->scratchpad = 0;
+			k--;
+		} else {
+			item = &itm[j];
+			if (item->scratchpad != 0)
+				continue;
+
+			item->scratchpad = 1;
+			k++;
+
+			switch ((op >> 1) & 3) {
+			case 0:
+				list_add_head(&head, item);
+				break;
+			case 1:
+				list_add_tail(&head, item);
+				break;
+			case 2:
+			case 3:
+				prev = NULL;
+				l = 0;
+				do {
+					j = prng_rand(prng) % NITEM;
+					prev = &itm[j];
+					if (prev->scratchpad == 0
+					    || prev == item)
+						prev = NULL;
+					l++;
+				} while (!prev && l < 10);
+				list_add_after(&head, prev, item);
+				break;
+			default:
+				assert(0);
+			}
+		}
+	}
+	assert(list_count(&head) == k);
+	assert(list_first(&head) != NULL);
+	ts_hash("prng add/after/del", "84c5fc83294eabebb9808ccbba32a303c4fca084db87ed1277d2bae1f8c5bee4");
+#endif
+
+	l = 0;
+#endif
+
+	while ((item = list_pop(&head))) {
+		assert(item->scratchpad != 0);
+
+		item->scratchpad = 0;
+		l++;
+	}
+	assert(l == k);
+	assert(list_count(&head) == 0);
+	assert(list_first(&head) == NULL);
+	ts_hash("pop", "df3f619804a92fdb4057192dc43dd748ea778adc52bc498ce80524c014b81119");
+
+	list_fini(&head);
+	ts_ref("fini");
+	ts_end();
+	prng_free(prng);
+	printfrr("%s end\n", str(TYPE));
+}
+
+#undef ts_hash
+#undef ts_hashx
+#undef ts_hash_head
+#undef ts_hash_headx
+
+#undef item
+#undef itm
+#undef itmswap
+#undef head
+#undef list
+#undef list_head
+#undef list_item
+#undef list_cmp
+#undef list_hash
+#undef list_init
+#undef list_fini
+#undef list_first
+#undef list_next
+#undef list_next_safe
+#undef list_const_first
+#undef list_const_next
+#undef list_last
+#undef list_prev
+#undef list_prev_safe
+#undef list_const_last
+#undef list_const_prev
+#undef list_count
+#undef list_add
+#undef list_add_head
+#undef list_add_tail
+#undef list_add_after
+#undef list_find
+#undef list_find_lt
+#undef list_find_gteq
+#undef list_member
+#undef list_anywhere
+#undef list_del
+#undef list_pop
+#undef list_swap_all
+
+#undef REALTYPE
+#undef TYPE
diff --git a/tests/lib/test_typelist.py b/tests/lib/test_typelist.py
new file mode 100644
index 0000000..fe3499c
--- /dev/null
+++ b/tests/lib/test_typelist.py
@@ -0,0 +1,21 @@
+import frrtest
+
+
+class TestTypelist(frrtest.TestMultiOut):
+    program = "./test_typelist"
+
+
+TestTypelist.onesimple("LIST end")
+TestTypelist.onesimple("DLIST end")
+TestTypelist.onesimple("ATOMLIST end")
+TestTypelist.onesimple("HEAP end")
+TestTypelist.onesimple("SORTLIST_UNIQ end")
+TestTypelist.onesimple("SORTLIST_NONUNIQ end")
+TestTypelist.onesimple("HASH end")
+TestTypelist.onesimple("HASH_collisions end")
+TestTypelist.onesimple("SKIPLIST_UNIQ end")
+TestTypelist.onesimple("SKIPLIST_NONUNIQ end")
+TestTypelist.onesimple("RBTREE_UNIQ end")
+TestTypelist.onesimple("RBTREE_NONUNIQ end")
+TestTypelist.onesimple("ATOMSORT_UNIQ end")
+TestTypelist.onesimple("ATOMSORT_NONUNIQ end")
diff --git a/tests/lib/test_versioncmp.c b/tests/lib/test_versioncmp.c
new file mode 100644
index 0000000..84ae06e
--- /dev/null
+++ b/tests/lib/test_versioncmp.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * frr_version_cmp() tests
+ * Copyright (C) 2018  David Lamparter for NetDEF, Inc.
+ */
+#include <zebra.h>
+#include <defaults.h>
+
+static const char *rel(int x)
+{
+	if (x < 0)
+		return "<";
+	if (x > 0)
+		return ">";
+	return "==";
+}
+
+static int fail;
+
+static void compare(const char *a, const char *b, int expect)
+{
+	int result = frr_version_cmp(a, b);
+
+	if (expect == result)
+		printf("\"%s\" %s \"%s\"\n", a, rel(result), b);
+	else {
+		printf("\"%s\" %s \"%s\", expected %s!\n", a, rel(result), b,
+				rel(expect));
+		fail = 1;
+	}
+}
+
+int main(int argc, char **argv)
+{
+	compare("", "", 0);
+	compare("1", "1", 0);
+	compare("1.0", "1.00", 0);
+	compare("10.0", "1", 1);
+	compare("10.0", "2", 1);
+	compare("2.1", "10.0", -1);
+	compare("1.1.1", "1.1.0", 1);
+	compare("1.0a", "1.0", 1);
+	compare("1.0a", "1.0b", -1);
+	compare("1.0a10", "1.0a2", 1);
+	compare("1.00a2", "1.0a2", 0);
+	compare("1.00a2", "1.0a3", -1);
+	compare("1.0-dev", "1.0", 1);
+	compare("1.0~foo", "1.0", -1);
+	compare("1.0~1", "1.0~0", 1);
+	compare("1.00~1", "1.0~0", 1);
+	printf("final tally: %s\n", fail ? "FAILED" : "ok");
+	return fail;
+}
diff --git a/tests/lib/test_versioncmp.py b/tests/lib/test_versioncmp.py
new file mode 100644
index 0000000..8ded53b
--- /dev/null
+++ b/tests/lib/test_versioncmp.py
@@ -0,0 +1,8 @@
+import frrtest
+
+
+class TestVersionCmp(frrtest.TestMultiOut):
+    program = "./test_versioncmp"
+
+
+TestVersionCmp.exit_cleanly()
diff --git a/tests/lib/test_xref.c b/tests/lib/test_xref.c
new file mode 100644
index 0000000..fca0d47
--- /dev/null
+++ b/tests/lib/test_xref.c
@@ -0,0 +1,127 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * xref tests
+ * Copyright (C) 2020  David Lamparter for NetDEF, Inc.
+ */
+
+#include <zebra.h>
+#include "xref.h"
+#include "log.h"
+
+/*
+ * "lib/test_xref.c" (only 1 directory component included)
+ * "logging call"
+ * 0x00000003 (network byte order - LOG_ERR)
+ * 0x00000000 (network byte order - EC / zero here)
+ *
+ * note there are no '\0' terminators included for the strings
+ *
+ * SHA256
+ * => 71a65ce6e81517f642c8f55fb2af6f181f7df54357913b5b577aa61a663fdd4c
+ *  & 0f -> 0x01      'H'
+ *  & f001 -> 0x07    '7'
+ *  &   3e -> 0x13    'K'
+ *  &   c007 -> 0x12  'J'
+ *  &     f8 -> 0x0b  'B'
+ * etc.
+ * (for reference: base32ch[] = "0123456789ABCDEFGHJKMNPQRSTVWXYZ")
+ *
+ * (bits are consumed starting with the lowest bit, and the first character
+ * only consumes 4 bits and has the 5th bit at 1)
+ */
+
+static const char *expect_uid = "H7KJB-67TBH";
+static bool test_logcall(void)
+{
+	zlog_err("logging call");
+
+	return true;
+}
+
+static void check_xref(const struct xref *xref, bool *found, bool *error)
+{
+	const char *file = xref->file, *p;
+
+	p = strrchr(file, '/');
+	if (p)
+		file = p + 1;
+
+	if (strcmp(file, "test_xref.c"))
+		return;
+	if (xref->type != XREFT_LOGMSG)
+		return;
+	if (strcmp(xref->func, "test_logcall"))
+		return;
+
+	printf("xref: %s:%d %s() type=%d uid=%s\n",
+	       xref->file, xref->line, xref->func, xref->type,
+	       xref->xrefdata ? xref->xrefdata->uid : "--");
+
+	if (*found) {
+		printf("duplicate xref!\n");
+		*error = true;
+	}
+
+	const struct xref_logmsg *logmsg;
+
+	logmsg = container_of(xref, struct xref_logmsg, xref);
+	if (strcmp(logmsg->fmtstring, "logging call")) {
+		printf("log message mismatch!\n");
+		*error = true;
+	}
+	if (logmsg->priority != LOG_ERR || logmsg->ec != 0) {
+		printf("metadata mismatch!\n");
+		*error = true;
+	}
+
+	*found = true;
+
+	if (!xref->xrefdata) {
+		printf("no unique ID?\n");
+		*error = true;
+		return;
+	}
+
+	if (strcmp(xref->xrefdata->uid, expect_uid)) {
+		printf("unique ID mismatch, expected %s, got %s\n",
+		       expect_uid, xref->xrefdata->uid);
+		*error = true;
+	}
+}
+
+static bool test_lookup(void)
+{
+	struct xref_block *xb;
+	bool found = false, error = false;
+
+	for (xb = xref_blocks; xb; xb = xb->next) {
+		const struct xref * const *xrefp;
+
+		for (xrefp = xb->start; xrefp < xb->stop; xrefp++) {
+			const struct xref *xref = *xrefp;
+
+			if (!xref)
+				continue;
+
+			check_xref(xref, &found, &error);
+		}
+	}
+	return found && !error;
+}
+
+bool (*tests[])(void) = {
+	test_lookup,
+	test_logcall,
+};
+
+XREF_SETUP();
+
+int main(int argc, char **argv)
+{
+	zlog_aux_init("NONE: ", ZLOG_DISABLED);
+
+	for (unsigned int i = 0; i < array_size(tests); i++)
+		if (!tests[i]())
+			return 1;
+	return 0;
+}
diff --git a/tests/lib/test_xref.py b/tests/lib/test_xref.py
new file mode 100644
index 0000000..8c3db3e
--- /dev/null
+++ b/tests/lib/test_xref.py
@@ -0,0 +1,6 @@
+import frrtest
+
+class TestXref(frrtest.TestMultiOut):
+    program = './test_xref'
+
+TestXref.exit_cleanly()
diff --git a/tests/lib/test_zlog.c b/tests/lib/test_zlog.c
new file mode 100644
index 0000000..95d9056
--- /dev/null
+++ b/tests/lib/test_zlog.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Zlog tests.
+ * Copyright (C) 2018  Cumulus Networks, Inc.
+ *                     Quentin Young
+ */
+#include <zebra.h>
+#include <memory.h>
+#include "log.h"
+#include "network.h"
+
+/* maximum amount of data to hexdump */
+#define MAXDATA 16384
+
+/*
+ * Test hexdump functionality.
+ *
+ * At the moment, not crashing is considered success.
+ */
+static bool test_zlog_hexdump(void)
+{
+	unsigned int nl = 1;
+
+	do {
+		uint8_t d[nl];
+
+		for (unsigned int i = 0; i < nl; i++)
+			d[i] = frr_weak_random();
+		zlog_hexdump(d, nl - 1);
+
+		nl += 1 + (nl / 2);
+	} while (nl <= MAXDATA);
+
+	return true;
+}
+
+bool (*tests[])(void) = {
+	test_zlog_hexdump,
+};
+
+int main(int argc, char **argv)
+{
+	zlog_aux_init("NONE: ", ZLOG_DISABLED);
+
+	for (unsigned int i = 0; i < array_size(tests); i++)
+		if (!tests[i]())
+			return 1;
+	return 0;
+}
diff --git a/tests/lib/test_zlog.py b/tests/lib/test_zlog.py
new file mode 100644
index 0000000..2a2d54e
--- /dev/null
+++ b/tests/lib/test_zlog.py
@@ -0,0 +1,5 @@
+import frrtest
+
+
+class TestZlog(frrtest.TestMultiOut):
+    program = "./test_zlog"
diff --git a/tests/lib/test_zmq.c b/tests/lib/test_zmq.c
new file mode 100644
index 0000000..2cd9d47
--- /dev/null
+++ b/tests/lib/test_zmq.c
@@ -0,0 +1,312 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * ZeroMQ event test
+ * Copyright (C) 2017  David Lamparter, for NetDEF, Inc.
+ */
+
+#include <zebra.h>
+#include "memory.h"
+#include "sigevent.h"
+#include "frr_zmq.h"
+
+DEFINE_MTYPE_STATIC(LIB, TESTBUF, "zmq test buffer");
+DEFINE_MTYPE_STATIC(LIB, ZMQMSG, "zmq message");
+
+static struct event_loop *master;
+
+static void msg_buf_free(void *data, void *hint)
+{
+	XFREE(MTYPE_TESTBUF, data);
+}
+
+static int recv_delim(void *zmqsock)
+{
+	/* receive delim */
+	zmq_msg_t zdelim;
+	int more;
+	zmq_msg_init(&zdelim);
+	zmq_msg_recv(&zdelim, zmqsock, 0);
+	more = zmq_msg_more(&zdelim);
+	zmq_msg_close(&zdelim);
+	return more;
+}
+static void send_delim(void *zmqsock)
+{
+	/* Send delim */
+	zmq_msg_t zdelim;
+	zmq_msg_init(&zdelim);
+	zmq_msg_send(&zdelim, zmqsock, ZMQ_SNDMORE);
+	zmq_msg_close(&zdelim);
+}
+static void run_client(int syncfd)
+{
+	int i, j;
+	char buf[32];
+	char dummy;
+	void *zmqctx = NULL;
+	void *zmqsock;
+	int more;
+
+	read(syncfd, &dummy, 1);
+
+	zmqctx = zmq_ctx_new();
+	zmq_ctx_set(zmqctx, ZMQ_IPV6, 1);
+
+	zmqsock = zmq_socket(zmqctx, ZMQ_DEALER);
+	if (zmq_connect(zmqsock, "tcp://127.0.0.1:17171")) {
+		perror("zmq_connect");
+		exit(1);
+	}
+
+	/* single-part */
+	for (i = 0; i < 8; i++) {
+		snprintf(buf, sizeof(buf), "msg #%d %c%c%c", i, 'a' + i,
+			 'b' + i, 'c' + i);
+		printf("client send: %s\n", buf);
+		fflush(stdout);
+		send_delim(zmqsock);
+		zmq_send(zmqsock, buf, strlen(buf) + 1, 0);
+		more = recv_delim(zmqsock);
+		while (more) {
+			zmq_recv(zmqsock, buf, sizeof(buf), 0);
+			printf("client recv: %s\n", buf);
+			size_t len = sizeof(more);
+			if (zmq_getsockopt(zmqsock, ZMQ_RCVMORE, &more, &len))
+				break;
+		}
+	}
+
+	/* multipart */
+	for (i = 2; i < 5; i++) {
+		printf("---\n");
+		send_delim(zmqsock);
+		zmq_msg_t part;
+		for (j = 1; j <= i; j++) {
+			char *dyn = XMALLOC(MTYPE_TESTBUF, 32);
+
+			snprintf(dyn, 32, "part %d/%d", j, i);
+			printf("client send: %s\n", dyn);
+			fflush(stdout);
+
+			zmq_msg_init_data(&part, dyn, strlen(dyn) + 1,
+					  msg_buf_free, NULL);
+			zmq_msg_send(&part, zmqsock, j < i ? ZMQ_SNDMORE : 0);
+		}
+
+		recv_delim(zmqsock);
+		do {
+			char *data;
+
+			zmq_msg_recv(&part, zmqsock, 0);
+			data = zmq_msg_data(&part);
+			more = zmq_msg_more(&part);
+			printf("client recv (more: %d): %s\n", more, data);
+		} while (more);
+		zmq_msg_close(&part);
+	}
+
+	/* write callback */
+	printf("---\n");
+	snprintf(buf, sizeof(buf), "Done receiving");
+	printf("client send: %s\n", buf);
+	fflush(stdout);
+	send_delim(zmqsock);
+	zmq_send(zmqsock, buf, strlen(buf) + 1, 0);
+	/* wait for message from server */
+	more = recv_delim(zmqsock);
+	while (more) {
+		zmq_recv(zmqsock, buf, sizeof(buf), 0);
+		printf("client recv: %s\n", buf);
+		size_t len = sizeof(more);
+		if (zmq_getsockopt(zmqsock, ZMQ_RCVMORE, &more, &len))
+			break;
+	}
+
+	zmq_close(zmqsock);
+	zmq_ctx_term(zmqctx);
+}
+
+static struct frrzmq_cb *cb;
+
+static void recv_id_and_delim(void *zmqsock, zmq_msg_t *msg_id)
+{
+	/* receive id */
+	zmq_msg_init(msg_id);
+	zmq_msg_recv(msg_id, zmqsock, 0);
+	/* receive delim */
+	recv_delim(zmqsock);
+}
+static void send_id_and_delim(void *zmqsock, zmq_msg_t *msg_id)
+{
+	/* Send Id */
+	zmq_msg_send(msg_id, zmqsock, ZMQ_SNDMORE);
+	send_delim(zmqsock);
+}
+static void serverwritefn(void *arg, void *zmqsock)
+{
+	zmq_msg_t *msg_id = (zmq_msg_t *)arg;
+	char buf[32] = "Test write callback";
+	size_t i;
+
+	for (i = 0; i < strlen(buf); i++)
+		buf[i] = toupper(buf[i]);
+	printf("server send: %s\n", buf);
+	fflush(stdout);
+	send_id_and_delim(zmqsock, msg_id);
+	zmq_send(zmqsock, buf, strlen(buf) + 1, 0);
+
+	/* send just once */
+	frrzmq_thread_cancel(&cb, &cb->write);
+
+	zmq_msg_close(msg_id);
+	XFREE(MTYPE_ZMQMSG, msg_id);
+}
+static void serverpartfn(void *arg, void *zmqsock, zmq_msg_t *msg,
+			 unsigned partnum)
+{
+	static int num = 0;
+	int more = zmq_msg_more(msg);
+	char *in = zmq_msg_data(msg);
+	size_t i;
+	zmq_msg_t reply;
+	char *out;
+
+	/* Id */
+	if (partnum == 0) {
+		send_id_and_delim(zmqsock, msg);
+		return;
+	}
+	/* Delim */
+	if (partnum == 1)
+		return;
+
+
+	printf("server recv part %u (more: %d): %s\n", partnum, more, in);
+	fflush(stdout);
+
+	out = XMALLOC(MTYPE_TESTBUF, strlen(in) + 1);
+	for (i = 0; i < strlen(in); i++)
+		out[i] = toupper(in[i]);
+	out[i] = '\0';
+	zmq_msg_init_data(&reply, out, strlen(out) + 1, msg_buf_free, NULL);
+	zmq_msg_send(&reply, zmqsock, ZMQ_SNDMORE);
+
+	if (more)
+		return;
+
+	out = XMALLOC(MTYPE_TESTBUF, 32);
+	snprintf(out, 32, "msg# was %u", partnum);
+	zmq_msg_init_data(&reply, out, strlen(out) + 1, msg_buf_free, NULL);
+	zmq_msg_send(&reply, zmqsock, 0);
+
+	zmq_msg_close(&reply);
+
+	if (++num < 7)
+		return;
+
+	/* write callback test */
+	char buf[32];
+	zmq_msg_t *msg_id = XMALLOC(MTYPE_ZMQMSG, sizeof(zmq_msg_t));
+	recv_id_and_delim(zmqsock, msg_id);
+	zmq_recv(zmqsock, buf, sizeof(buf), 0);
+	printf("server recv: %s\n", buf);
+	fflush(stdout);
+
+	frrzmq_event_add_write_msg(master, serverwritefn, NULL, msg_id, zmqsock,
+				   &cb);
+}
+
+static void serverfn(void *arg, void *zmqsock)
+{
+	static int num = 0;
+
+	zmq_msg_t msg_id;
+	char buf[32];
+	size_t i;
+
+	recv_id_and_delim(zmqsock, &msg_id);
+	zmq_recv(zmqsock, buf, sizeof(buf), 0);
+
+	printf("server recv: %s\n", buf);
+	fflush(stdout);
+	for (i = 0; i < strlen(buf); i++)
+		buf[i] = toupper(buf[i]);
+	send_id_and_delim(zmqsock, &msg_id);
+	zmq_msg_close(&msg_id);
+	zmq_send(zmqsock, buf, strlen(buf) + 1, 0);
+
+	if (++num < 4)
+		return;
+
+	/* change to multipart callback */
+	frrzmq_thread_cancel(&cb, &cb->read);
+	frrzmq_thread_cancel(&cb, &cb->write);
+
+	frrzmq_event_add_read_part(master, serverpartfn, NULL, NULL, zmqsock,
+				   &cb);
+}
+
+static void sigchld(void)
+{
+	printf("child exited.\n");
+	frrzmq_thread_cancel(&cb, &cb->read);
+	frrzmq_thread_cancel(&cb, &cb->write);
+}
+
+static struct frr_signal_t sigs[] = {
+	{
+		.signal = SIGCHLD,
+		.handler = sigchld,
+	},
+};
+
+static void run_server(int syncfd)
+{
+	void *zmqsock;
+	char dummy = 0;
+	struct event t;
+
+	master = event_master_create(NULL);
+	signal_init(master, array_size(sigs), sigs);
+	frrzmq_init();
+
+	zmqsock = zmq_socket(frrzmq_context, ZMQ_ROUTER);
+	if (zmq_bind(zmqsock, "tcp://*:17171")) {
+		perror("zmq_bind");
+		exit(1);
+	}
+
+	frrzmq_event_add_read_msg(master, serverfn, NULL, NULL, zmqsock, &cb);
+
+	write(syncfd, &dummy, sizeof(dummy));
+	while (event_fetch(master, &t))
+		event_call(&t);
+
+	zmq_close(zmqsock);
+	frrzmq_finish();
+	event_master_free(master);
+	log_memstats_stderr("test");
+}
+
+int main(void)
+{
+	int syncpipe[2];
+	pid_t child;
+
+	if (pipe(syncpipe)) {
+		perror("pipe");
+		exit(1);
+	}
+
+	child = fork();
+	if (child < 0) {
+		perror("fork");
+		exit(1);
+	} else if (child == 0) {
+		run_client(syncpipe[0]);
+		exit(0);
+	}
+
+	run_server(syncpipe[1]);
+	exit(0);
+}
diff --git a/tests/lib/test_zmq.py b/tests/lib/test_zmq.py
new file mode 100644
index 0000000..5f6189d
--- /dev/null
+++ b/tests/lib/test_zmq.py
@@ -0,0 +1,14 @@
+import frrtest
+import pytest
+import os
+
+
+class TestZMQ(frrtest.TestRefOut):
+    program = "./test_zmq"
+
+    @pytest.mark.skipif(
+        'S["ZEROMQ_TRUE"]=""\n' not in open("../config.status").readlines(),
+        reason="ZEROMQ not enabled",
+    )
+    def test_refout(self):
+        return super(TestZMQ, self).test_refout()
diff --git a/tests/lib/test_zmq.refout b/tests/lib/test_zmq.refout
new file mode 100644
index 0000000..acac505
--- /dev/null
+++ b/tests/lib/test_zmq.refout
@@ -0,0 +1,67 @@
+client send: msg #0 abc
+server recv: msg #0 abc
+client recv: MSG #0 ABC
+client send: msg #1 bcd
+server recv: msg #1 bcd
+client recv: MSG #1 BCD
+client send: msg #2 cde
+server recv: msg #2 cde
+client recv: MSG #2 CDE
+client send: msg #3 def
+server recv: msg #3 def
+client recv: MSG #3 DEF
+client send: msg #4 efg
+server recv part 2 (more: 0): msg #4 efg
+client recv: MSG #4 EFG
+client recv: msg# was 2
+client send: msg #5 fgh
+server recv part 2 (more: 0): msg #5 fgh
+client recv: MSG #5 FGH
+client recv: msg# was 2
+client send: msg #6 ghi
+server recv part 2 (more: 0): msg #6 ghi
+client recv: MSG #6 GHI
+client recv: msg# was 2
+client send: msg #7 hij
+server recv part 2 (more: 0): msg #7 hij
+client recv: MSG #7 HIJ
+client recv: msg# was 2
+---
+client send: part 1/2
+client send: part 2/2
+server recv part 2 (more: 1): part 1/2
+server recv part 3 (more: 0): part 2/2
+client recv (more: 1): PART 1/2
+client recv (more: 1): PART 2/2
+client recv (more: 0): msg# was 3
+---
+client send: part 1/3
+client send: part 2/3
+client send: part 3/3
+server recv part 2 (more: 1): part 1/3
+server recv part 3 (more: 1): part 2/3
+server recv part 4 (more: 0): part 3/3
+client recv (more: 1): PART 1/3
+client recv (more: 1): PART 2/3
+client recv (more: 1): PART 3/3
+client recv (more: 0): msg# was 4
+---
+client send: part 1/4
+client send: part 2/4
+client send: part 3/4
+client send: part 4/4
+server recv part 2 (more: 1): part 1/4
+server recv part 3 (more: 1): part 2/4
+server recv part 4 (more: 1): part 3/4
+server recv part 5 (more: 0): part 4/4
+client recv (more: 1): PART 1/4
+client recv (more: 1): PART 2/4
+client recv (more: 1): PART 3/4
+client recv (more: 1): PART 4/4
+client recv (more: 0): msg# was 5
+---
+client send: Done receiving
+server recv: Done receiving
+server send: TEST WRITE CALLBACK
+client recv: TEST WRITE CALLBACK
+child exited.