tools/perf/tests/subcmd-help.c

Source file repositories/reference/linux-study-clean/tools/perf/tests/subcmd-help.c

File Facts

System
Linux kernel
Corpus path
tools/perf/tests/subcmd-help.c
Extension
.c
Size
4455 bytes
Lines
135
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

// 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);

Annotation

Implementation Notes