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* Copyright (c) 2016 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <ztest.h>
#include <stdio.h>
#include <app_memory/app_memdomain.h>
#ifdef CONFIG_USERSPACE
#include <sys/libc-hooks.h>
#endif
#include <sys/reboot.h>
#ifdef KERNEL
static struct k_thread ztest_thread;
#endif
#ifdef CONFIG_ARCH_POSIX
#include <unistd.h>
#endif
/* ZTEST_DMEM and ZTEST_BMEM are used for the application shared memory test */
ZTEST_DMEM enum {
TEST_PHASE_SETUP,
TEST_PHASE_TEST,
TEST_PHASE_TEARDOWN,
TEST_PHASE_FRAMEWORK
} phase = TEST_PHASE_FRAMEWORK;
static ZTEST_BMEM int test_status;
/**
* @brief Try to shorten a filename by removing the current directory
*
* This helps to reduce the very long filenames in assertion failures. It
* removes the current directory from the filename and returns the rest.
* This makes assertions a lot more readable, and sometimes they fit on one
* line.
*
* @param file Filename to check
* @returns Shortened filename, or @file if it could not be shortened
*/
const char *ztest_relative_filename(const char *file)
{
#ifdef CONFIG_ARCH_POSIX
const char *cwd;
char buf[200];
cwd = getcwd(buf, sizeof(buf));
if (cwd && strlen(file) > strlen(cwd) &&
!strncmp(file, cwd, strlen(cwd)))
return file + strlen(cwd) + 1; /* move past the trailing '/' */
#endif
return file;
}
static int cleanup_test(struct unit_test *test)
{
int ret = TC_PASS;
int mock_status;
mock_status = z_cleanup_mock();
#ifdef KERNEL
/* we need to remove the ztest_thread information from the timeout_q.
* Because we reuse the same k_thread structure this would
* causes some problems.
*/
if (IS_ENABLED(CONFIG_MULTITHREADING)) {
k_thread_abort(&ztest_thread);
}
#endif
if (!ret && mock_status == 1) {
PRINT("Test %s failed: Unused mock parameter values\n",
test->name);
ret = TC_FAIL;
} else if (!ret && mock_status == 2) {
PRINT("Test %s failed: Unused mock return values\n",
test->name);
ret = TC_FAIL;
} else {
;
}
return ret;
}
#ifdef KERNEL
#ifdef CONFIG_SMP
#define NUM_CPUHOLD (CONFIG_MP_NUM_CPUS - 1)
#else
#define NUM_CPUHOLD 0
#endif
#define CPUHOLD_STACK_SZ (512 + CONFIG_TEST_EXTRA_STACKSIZE)
static struct k_thread cpuhold_threads[NUM_CPUHOLD];
K_KERNEL_STACK_ARRAY_DEFINE(cpuhold_stacks, NUM_CPUHOLD, CPUHOLD_STACK_SZ);
static struct k_sem cpuhold_sem;
volatile int cpuhold_active;
/* "Holds" a CPU for use with the "1cpu" test cases. Note that we
* can't use tools like the cpumask feature because we have tests that
* may need to control that configuration themselves. We do this at
* the lowest level, but locking interrupts directly and spinning.
*/
static void cpu_hold(void *arg1, void *arg2, void *arg3)
{
ARG_UNUSED(arg1);
ARG_UNUSED(arg2);
ARG_UNUSED(arg3);
unsigned int key = arch_irq_lock();
uint32_t dt, start_ms = k_uptime_get_32();
k_sem_give(&cpuhold_sem);
#if defined(CONFIG_ARM64) && defined(CONFIG_FPU_SHARING)
/*
* We'll be spinning with IRQs disabled. The flush-your-FPU request
* IPI will never be serviced during that time. Therefore we flush
* the FPU preemptively here to prevent any other CPU waiting after
* this CPU forever and deadlock the system.
*/
extern void z_arm64_flush_local_fpu(void);
z_arm64_flush_local_fpu();
#endif
while (cpuhold_active) {
k_busy_wait(1000);
}
/* Holding the CPU via spinning is expensive, and abusing this
* for long-running test cases tends to overload the CI system
* (qemu runs separate CPUs in different threads, but the CI
* logic views it as one "job") and cause other test failures.
*/
dt = k_uptime_get_32() - start_ms;
zassert_true(dt < 3000,
"1cpu test took too long (%d ms)", dt);
arch_irq_unlock(key);
}
void z_impl_z_test_1cpu_start(void)
{
cpuhold_active = 1;
#ifdef CONFIG_THREAD_NAME
char tname[CONFIG_THREAD_MAX_NAME_LEN];
#endif
k_sem_init(&cpuhold_sem, 0, 999);
/* Spawn N-1 threads to "hold" the other CPUs, waiting for
* each to signal us that it's locked and spinning.
*
* Note that NUM_CPUHOLD can be a value that causes coverity
* to flag the following loop as DEADCODE so suppress the warning.
*/
/* coverity[DEADCODE] */
for (int i = 0; i < NUM_CPUHOLD; i++) {
k_thread_create(&cpuhold_threads[i],
cpuhold_stacks[i], CPUHOLD_STACK_SZ,
(k_thread_entry_t) cpu_hold, NULL, NULL, NULL,
K_HIGHEST_THREAD_PRIO, 0, K_NO_WAIT);
#ifdef CONFIG_THREAD_NAME
snprintk(tname, CONFIG_THREAD_MAX_NAME_LEN, "cpuhold%02d", i);
k_thread_name_set(&cpuhold_threads[i], tname);
#endif
k_sem_take(&cpuhold_sem, K_FOREVER);
}
}
void z_impl_z_test_1cpu_stop(void)
{
cpuhold_active = 0;
/* Note that NUM_CPUHOLD can be a value that causes coverity
* to flag the following loop as DEADCODE so suppress the warning.
*/
/* coverity[DEADCODE] */
for (int i = 0; i < NUM_CPUHOLD; i++) {
k_thread_abort(&cpuhold_threads[i]);
}
}
#ifdef CONFIG_USERSPACE
void z_vrfy_z_test_1cpu_start(void)
{
z_impl_z_test_1cpu_start();
}
#include <syscalls/z_test_1cpu_start_mrsh.c>
void z_vrfy_z_test_1cpu_stop(void)
{
z_impl_z_test_1cpu_stop();
}
#include <syscalls/z_test_1cpu_stop_mrsh.c>
#endif /* CONFIG_USERSPACE */
#endif
static void run_test_functions(struct unit_test *test)
{
phase = TEST_PHASE_SETUP;
test->setup();
phase = TEST_PHASE_TEST;
test->test();
}
#ifndef KERNEL
#include <setjmp.h>
#include <signal.h>
#include <string.h>
#include <stdlib.h>
#define FAIL_FAST 0
static jmp_buf test_fail;
static jmp_buf test_pass;
static jmp_buf stack_fail;
void ztest_test_fail(void)
{
raise(SIGABRT);
}
void ztest_test_pass(void)
{
longjmp(test_pass, 1);
}
static void handle_signal(int sig)
{
static const char *const phase_str[] = {
"setup",
"unit test",
"teardown",
};
PRINT(" %s", strsignal(sig));
switch (phase) {
case TEST_PHASE_SETUP:
case TEST_PHASE_TEST:
case TEST_PHASE_TEARDOWN:
PRINT(" at %s function\n", phase_str[phase]);
longjmp(test_fail, 1);
case TEST_PHASE_FRAMEWORK:
PRINT("\n");
longjmp(stack_fail, 1);
}
}
static void init_testing(void)
{
signal(SIGABRT, handle_signal);
signal(SIGSEGV, handle_signal);
if (setjmp(stack_fail)) {
PRINT("Test suite crashed.");
exit(1);
}
}
static int run_test(struct unit_test *test)
{
int ret = TC_PASS;
TC_START(test->name);
if (setjmp(test_fail)) {
ret = TC_FAIL;
goto out;
}
if (setjmp(test_pass)) {
ret = TC_PASS;
goto out;
}
run_test_functions(test);
out:
ret |= cleanup_test(test);
Z_TC_END_RESULT(ret, test->name);
return ret;
}
#else /* KERNEL */
/* Zephyr's probably going to cause all tests to fail if one test fails, so
* skip the rest of tests if one of them fails
*/
#ifdef CONFIG_ZTEST_FAIL_FAST
#define FAIL_FAST 1
#else
#define FAIL_FAST 0
#endif
K_THREAD_STACK_DEFINE(ztest_thread_stack, CONFIG_ZTEST_STACKSIZE +
CONFIG_TEST_EXTRA_STACKSIZE);
static ZTEST_BMEM int test_result;
static void test_finalize(void)
{
if (IS_ENABLED(CONFIG_MULTITHREADING)) {
k_thread_abort(&ztest_thread);
k_thread_abort(k_current_get());
}
}
void ztest_test_fail(void)
{
test_result = -1;
test_finalize();
}
void ztest_test_pass(void)
{
test_result = 0;
test_finalize();
}
void ztest_test_skip(void)
{
test_result = -2;
test_finalize();
}
static void init_testing(void)
{
k_object_access_all_grant(&ztest_thread);
}
static void test_cb(void *a, void *dummy2, void *dummy)
{
struct unit_test *test = (struct unit_test *)a;
ARG_UNUSED(dummy2);
ARG_UNUSED(dummy);
test_result = 1;
run_test_functions(test);
test_result = 0;
}
static int run_test(struct unit_test *test)
{
int ret = TC_PASS;
TC_START(test->name);
if (IS_ENABLED(CONFIG_MULTITHREADING)) {
k_thread_create(&ztest_thread, ztest_thread_stack,
K_THREAD_STACK_SIZEOF(ztest_thread_stack),
(k_thread_entry_t) test_cb, (struct unit_test *)test,
NULL, NULL, CONFIG_ZTEST_THREAD_PRIORITY,
test->thread_options | K_INHERIT_PERMS,
K_FOREVER);
if (test->name != NULL) {
k_thread_name_set(&ztest_thread, test->name);
}
k_thread_start(&ztest_thread);
k_thread_join(&ztest_thread, K_FOREVER);
} else {
test_result = 1;
run_test_functions(test);
}
phase = TEST_PHASE_TEARDOWN;
test->teardown();
phase = TEST_PHASE_FRAMEWORK;
if (test_result == -1) {
ret = TC_FAIL;
}
if (!test_result || !FAIL_FAST) {
ret |= cleanup_test(test);
}
if (test_result == -2) {
Z_TC_END_RESULT(TC_SKIP, test->name);
} else {
Z_TC_END_RESULT(ret, test->name);
}
return ret;
}
#endif /* !KERNEL */
void z_ztest_run_test_suite(const char *name, struct unit_test *suite)
{
int fail = 0;
if (test_status < 0) {
return;
}
init_testing();
TC_SUITE_START(name);
while (suite->test) {
fail += run_test(suite);
suite++;
if (fail && FAIL_FAST) {
break;
}
}
TC_SUITE_END(name, (fail > 0 ? TC_FAIL : TC_PASS));
test_status = (test_status || fail) ? 1 : 0;
}
void end_report(void)
{
if (test_status) {
TC_END_REPORT(TC_FAIL);
} else {
TC_END_REPORT(TC_PASS);
}
}
#ifdef CONFIG_USERSPACE
K_APPMEM_PARTITION_DEFINE(ztest_mem_partition);
#endif
#ifndef KERNEL
int main(void)
{
z_init_mock();
test_main();
end_report();
return test_status;
}
#else
void main(void)
{
#ifdef CONFIG_USERSPACE
/* Partition containing globals tagged with ZTEST_DMEM and ZTEST_BMEM
* macros. Any variables that user code may reference need to be
* placed in this partition if no other memory domain configuration
* is made.
*/
k_mem_domain_add_partition(&k_mem_domain_default,
&ztest_mem_partition);
#ifdef Z_MALLOC_PARTITION_EXISTS
/* Allow access to malloc() memory */
k_mem_domain_add_partition(&k_mem_domain_default,
&z_malloc_partition);
#endif
#endif /* CONFIG_USERSPACE */
z_init_mock();
test_main();
end_report();
if (IS_ENABLED(CONFIG_ZTEST_RETEST_IF_PASSED)) {
static __noinit struct {
uint32_t magic;
uint32_t boots;
} state;
const uint32_t magic = 0x152ac523;
if (state.magic != magic) {
state.magic = magic;
state.boots = 0;
}
state.boots += 1;
if (test_status == 0) {
PRINT("Reset board #%u to test again\n",
state.boots);
k_msleep(10);
sys_reboot(SYS_REBOOT_COLD);
} else {
PRINT("Failed after %u attempts\n", state.boots);
state.boots = 0;
}
}
}
#endif
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