linux/tools/perf/tests/subcmd-help.c
Ian Rogers ef92c4351e perf test subcmd help: Add exclude disjoint subcmd names
The test is based on an error/fix posted to linux-perf-users.

Reported-by: Sri Jayaramappa <sjayaram@akamai.com>
Reviewed-by: Sri Jayaramappa <sjayaram@akamai.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Guilherme Amadio <amadio@gentoo.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Closes: https://lore.kernel.org/linux-perf-users/20251202213632.2873731-1-sjayaram@akamai.com/
Closes: https://urldefense.com/v3/__https://lore.kernel.org/linux-perf-users/20251202213632.2873731-1-sjayaram@akamai.com/__;!!GjvTz_vk!XehekKNUE4Ib_tvqIH6PMIIhly4X3BZ-Y40RC1HKMQ-6OdYEFvUPQhyWv_gk9vsRRN4_RcOLS2Bh0CQ$
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2026-01-12 15:57:23 -03:00

134 lines
4.4 KiB
C

// SPDX-License-Identifier: GPL-2.0
#include "tests.h"
#include <linux/compiler.h>
#include <subcmd/help.h>
static int test__load_cmdnames(struct test_suite *test __maybe_unused,
int subtest __maybe_unused)
{
struct cmdnames cmds = {};
add_cmdname(&cmds, "aaa", 3);
add_cmdname(&cmds, "foo", 3);
add_cmdname(&cmds, "xyz", 3);
TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds, "aaa") == 1);
TEST_ASSERT_VAL("wrong cmd", is_in_cmdlist(&cmds, "bar") == 0);
TEST_ASSERT_VAL("case sensitive", is_in_cmdlist(&cmds, "XYZ") == 0);
clean_cmdnames(&cmds);
return TEST_OK;
}
static int test__uniq_cmdnames(struct test_suite *test __maybe_unused,
int subtest __maybe_unused)
{
struct cmdnames cmds = {};
/* uniq() assumes it's sorted */
add_cmdname(&cmds, "aaa", 3);
add_cmdname(&cmds, "aaa", 3);
add_cmdname(&cmds, "bbb", 3);
TEST_ASSERT_VAL("invalid original size", cmds.cnt == 3);
/* uniquify command names (to remove second 'aaa') */
uniq(&cmds);
TEST_ASSERT_VAL("invalid final size", cmds.cnt == 2);
TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds, "aaa") == 1);
TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds, "bbb") == 1);
TEST_ASSERT_VAL("wrong cmd", is_in_cmdlist(&cmds, "ccc") == 0);
clean_cmdnames(&cmds);
return TEST_OK;
}
static int test__exclude_cmdnames(struct test_suite *test __maybe_unused,
int subtest __maybe_unused)
{
struct cmdnames cmds1 = {};
struct cmdnames cmds2 = {};
add_cmdname(&cmds1, "aaa", 3);
add_cmdname(&cmds1, "bbb", 3);
add_cmdname(&cmds1, "ccc", 3);
add_cmdname(&cmds1, "ddd", 3);
add_cmdname(&cmds1, "eee", 3);
add_cmdname(&cmds1, "fff", 3);
add_cmdname(&cmds1, "ggg", 3);
add_cmdname(&cmds1, "hhh", 3);
add_cmdname(&cmds1, "iii", 3);
add_cmdname(&cmds1, "jjj", 3);
add_cmdname(&cmds2, "bbb", 3);
add_cmdname(&cmds2, "eee", 3);
add_cmdname(&cmds2, "jjj", 3);
TEST_ASSERT_VAL("invalid original size", cmds1.cnt == 10);
TEST_ASSERT_VAL("invalid original size", cmds2.cnt == 3);
/* remove duplicate command names in cmds1 */
exclude_cmds(&cmds1, &cmds2);
TEST_ASSERT_VAL("invalid excluded size", cmds1.cnt == 7);
TEST_ASSERT_VAL("invalid excluded size", cmds2.cnt == 3);
/* excluded commands should not belong to cmds1 */
TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "aaa") == 1);
TEST_ASSERT_VAL("wrong cmd", is_in_cmdlist(&cmds1, "bbb") == 0);
TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "ccc") == 1);
TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "ddd") == 1);
TEST_ASSERT_VAL("wrong cmd", is_in_cmdlist(&cmds1, "eee") == 0);
TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "fff") == 1);
TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "ggg") == 1);
TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "hhh") == 1);
TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "iii") == 1);
TEST_ASSERT_VAL("wrong cmd", is_in_cmdlist(&cmds1, "jjj") == 0);
/* they should be only in cmds2 */
TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds2, "bbb") == 1);
TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds2, "eee") == 1);
TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds2, "jjj") == 1);
clean_cmdnames(&cmds1);
clean_cmdnames(&cmds2);
return TEST_OK;
}
static int test__exclude_cmdnames_no_overlap(struct test_suite *test __maybe_unused,
int subtest __maybe_unused)
{
struct cmdnames cmds1 = {};
struct cmdnames cmds2 = {};
add_cmdname(&cmds1, "read-vdso32", 11);
add_cmdname(&cmds2, "archive", 7);
TEST_ASSERT_VAL("invalid original size", cmds1.cnt == 1);
TEST_ASSERT_VAL("invalid original size", cmds2.cnt == 1);
exclude_cmds(&cmds1, &cmds2);
TEST_ASSERT_VAL("invalid excluded size", cmds1.cnt == 1);
TEST_ASSERT_VAL("invalid excluded size", cmds2.cnt == 1);
TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "read-vdso32") == 1);
TEST_ASSERT_VAL("wrong cmd", is_in_cmdlist(&cmds1, "archive") == 0);
clean_cmdnames(&cmds1);
clean_cmdnames(&cmds2);
return TEST_OK;
}
static struct test_case tests__subcmd_help[] = {
TEST_CASE("Load subcmd names", load_cmdnames),
TEST_CASE("Uniquify subcmd names", uniq_cmdnames),
TEST_CASE("Exclude duplicate subcmd names", exclude_cmdnames),
TEST_CASE("Exclude disjoint subcmd names", exclude_cmdnames_no_overlap),
{ .name = NULL, }
};
struct test_suite suite__subcmd_help = {
.desc = "libsubcmd help tests",
.test_cases = tests__subcmd_help,
};