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/* Copyright 2022 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/** @brief Test functions defined in timer.h, like usleep().
*
* This test only validates the functionality of code in timer.h and is not
* expected to accurately measure/check the timing.
*/
#include "common.h"
#include "math_util.h"
#include "test_util.h"
extern "C" {
#include "timer.h"
#include "watchdog.h"
}
test_static int test_usleep(void)
{
constexpr int expected_duration = 12345;
timestamp_t start_time = get_time();
usleep(expected_duration);
int sleep_duration = time_since32(start_time);
TEST_NEAR(expected_duration, sleep_duration, 20, "%d");
return EC_SUCCESS;
}
void run_test(int argc, const char **argv)
{
test_reset();
watchdog_reload();
RUN_TEST(test_usleep);
test_print_result();
}
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