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/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Test utilities.
*/
#include <signal.h>
#include <stdlib.h>
#include "console.h"
#include "hooks.h"
#include "host_command.h"
#include "system.h"
#include "task.h"
#include "test_util.h"
#include "util.h"
struct test_util_tag {
uint8_t error_count;
};
#define TEST_UTIL_SYSJUMP_TAG 0x5455 /* "TU" */
#define TEST_UTIL_SYSJUMP_VERSION 1
int __test_error_count;
/* Weak reference function as an entry point for unit test */
test_mockable void run_test(void) { }
/* Default dummy test init */
test_mockable void test_init(void) { }
#ifdef TEST_COVERAGE
extern void __gcov_flush(void);
void emulator_flush(void)
{
__gcov_flush();
}
void test_end_hook(int sig)
{
emulator_flush();
exit(0);
}
void register_test_end_hook(void)
{
signal(SIGTERM, test_end_hook);
}
#else
void emulator_flush(void)
{
}
void register_test_end_hook(void)
{
}
#endif
void test_reset(void)
{
if (!system_jumped_to_this_image())
__test_error_count = 0;
}
void test_pass(void)
{
ccprintf("Pass!\n");
}
void test_fail(void)
{
ccprintf("Fail!\n");
}
void test_print_result(void)
{
if (__test_error_count)
ccprintf("Fail! (%d tests)\n", __test_error_count);
else
ccprintf("Pass!\n");
}
int test_get_error_count(void)
{
return __test_error_count;
}
uint32_t test_get_state(void)
{
return system_get_scratchpad();
}
test_mockable void test_clean_up(void)
{
}
void test_reboot_to_next_step(enum test_state_t step)
{
ccprintf("Rebooting to next test step...\n");
cflush();
system_set_scratchpad(TEST_STATE_MASK(step));
system_reset(SYSTEM_RESET_HARD);
}
test_mockable void test_run_step(uint32_t state)
{
}
void test_run_multistep(void)
{
uint32_t state = test_get_state();
if (state & TEST_STATE_MASK(TEST_STATE_PASSED)) {
test_clean_up();
system_set_scratchpad(0);
test_pass();
} else if (state & TEST_STATE_MASK(TEST_STATE_FAILED)) {
test_clean_up();
system_set_scratchpad(0);
test_fail();
}
if (state & TEST_STATE_STEP_1 || state == 0) {
task_wait_event(-1); /* Wait for run_test() */
test_run_step(TEST_STATE_MASK(TEST_STATE_STEP_1));
} else {
test_run_step(state);
}
}
#ifdef HAS_TASK_HOSTCMD
int test_send_host_command(int command, int version, const void *params,
int params_size, void *resp, int resp_size)
{
struct host_cmd_handler_args args;
args.version = version;
args.command = command;
args.params = params;
args.params_size = params_size;
args.response = resp;
args.response_max = resp_size;
args.response_size = 0;
return host_command_process(&args);
}
#endif /* TASK_HAS_HOSTCMD */
/* Linear congruential pseudo random number generator */
uint32_t prng(uint32_t seed)
{
return 22695477 * seed + 1;
}
uint32_t prng_no_seed(void)
{
static uint32_t seed = 0x1234abcd;
return seed = prng(seed);
}
static void restore_state(void)
{
const struct test_util_tag *tag;
int version, size;
tag = (const struct test_util_tag *)system_get_jump_tag(
TEST_UTIL_SYSJUMP_TAG, &version, &size);
if (tag && version == TEST_UTIL_SYSJUMP_VERSION &&
size == sizeof(*tag))
__test_error_count = tag->error_count;
else
__test_error_count = 0;
}
DECLARE_HOOK(HOOK_INIT, restore_state, HOOK_PRIO_DEFAULT);
static void preserve_state(void)
{
struct test_util_tag tag;
tag.error_count = __test_error_count;
system_add_jump_tag(TEST_UTIL_SYSJUMP_TAG, TEST_UTIL_SYSJUMP_VERSION,
sizeof(tag), &tag);
}
DECLARE_HOOK(HOOK_SYSJUMP, preserve_state, HOOK_PRIO_DEFAULT);
static int command_run_test(int argc, char **argv)
{
run_test();
return EC_SUCCESS;
}
DECLARE_CONSOLE_COMMAND(runtest, command_run_test,
NULL, NULL, NULL);
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