harness-selftest.c

  1// SPDX-License-Identifier: GPL-2.0
  2
  3#include <stdio.h>
  4
  5#include <sys/resource.h>
  6#include <sys/prctl.h>
  7
  8/* Avoid any inconsistencies */
  9#define TH_LOG_STREAM stdout
 10
 11#include "kselftest_harness.h"
 12
 13static void test_helper(struct __test_metadata *_metadata)
 14{
 15	ASSERT_EQ(0, 0);
 16}
 17
 18TEST(standalone_pass) {
 19	TH_LOG("before");
 20	ASSERT_EQ(0, 0);
 21	EXPECT_EQ(0, 0);
 22	test_helper(_metadata);
 23	TH_LOG("after");
 24}
 25
 26TEST(standalone_fail) {
 27	TH_LOG("before");
 28	EXPECT_EQ(0, 0);
 29	EXPECT_EQ(0, 1);
 30	ASSERT_EQ(0, 1);
 31	TH_LOG("after");
 32}
 33
 34TEST_SIGNAL(signal_pass, SIGUSR1) {
 35	TH_LOG("before");
 36	ASSERT_EQ(0, 0);
 37	TH_LOG("after");
 38	kill(getpid(), SIGUSR1);
 39}
 40
 41TEST_SIGNAL(signal_fail, SIGUSR1) {
 42	TH_LOG("before");
 43	ASSERT_EQ(0, 1);
 44	TH_LOG("after");
 45	kill(getpid(), SIGUSR1);
 46}
 47
 48FIXTURE(fixture) {
 49	pid_t testpid;
 50};
 51
 52FIXTURE_SETUP(fixture) {
 53	TH_LOG("setup");
 54	self->testpid = getpid();
 55}
 56
 57FIXTURE_TEARDOWN(fixture) {
 58	TH_LOG("teardown same-process=%d", self->testpid == getpid());
 59}
 60
 61TEST_F(fixture, pass) {
 62	TH_LOG("before");
 63	ASSERT_EQ(0, 0);
 64	test_helper(_metadata);
 65	standalone_pass(_metadata);
 66	TH_LOG("after");
 67}
 68
 69TEST_F(fixture, fail) {
 70	TH_LOG("before");
 71	ASSERT_EQ(0, 1);
 72	fixture_pass(_metadata, self, variant);
 73	TH_LOG("after");
 74}
 75
 76TEST_F_TIMEOUT(fixture, timeout, 1) {
 77	TH_LOG("before");
 78	sleep(2);
 79	TH_LOG("after");
 80}
 81
 82FIXTURE(fixture_parent) {
 83	pid_t testpid;
 84};
 85
 86FIXTURE_SETUP(fixture_parent) {
 87	TH_LOG("setup");
 88	self->testpid = getpid();
 89}
 90
 91FIXTURE_TEARDOWN_PARENT(fixture_parent) {
 92	TH_LOG("teardown same-process=%d", self->testpid == getpid());
 93}
 94
 95TEST_F(fixture_parent, pass) {
 96	TH_LOG("before");
 97	ASSERT_EQ(0, 0);
 98	TH_LOG("after");
 99}
100
101FIXTURE(fixture_setup_failure) {
102	pid_t testpid;
103};
104
105FIXTURE_SETUP(fixture_setup_failure) {
106	TH_LOG("setup");
107	self->testpid = getpid();
108	ASSERT_EQ(0, 1);
109}
110
111FIXTURE_TEARDOWN(fixture_setup_failure) {
112	TH_LOG("teardown same-process=%d", self->testpid == getpid());
113}
114
115TEST_F(fixture_setup_failure, pass) {
116	TH_LOG("before");
117	ASSERT_EQ(0, 0);
118	TH_LOG("after");
119}
120
121int main(int argc, char **argv)
122{
123	/*
124	 * The harness uses abort() to signal assertion failures, which triggers coredumps.
125	 * This may be useful to debug real failures but not for this selftest, disable them.
126	 */
127	struct rlimit rlimit = {
128		.rlim_cur = 0,
129		.rlim_max = 0,
130	};
131
132	prctl(PR_SET_DUMPABLE, 0, 0, 0, 0);
133	setrlimit(RLIMIT_CORE, &rlimit);
134
135	return test_harness_run(argc, argv);
136}