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tests/udelay.c
57 строк
1 KB
Anastasia Klimchuk
tests: Replace deprecated assertions with backward compatible ones
31 мар 2026, 03:53
31 мар 2026, 03:53
239c193
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/* * This file is part of the flashrom project. * * SPDX-License-Identifier: GPL-2.0-only * SPDX-FileCopyrightText: 2024 Google LLC */ #include <include/test.h> #include <stdint.h> #include <sys/time.h> #include <time.h> #include "platform/udelay.h" #include "tests.h" static uint64_t now_us(void) { #if HAVE_CLOCK_GETTIME == 1 struct timespec ts; clock_gettime(CLOCK_MONOTONIC, &ts); return (ts.tv_nsec / 1000) + (ts.tv_sec * 1000000); #else struct timeval tv; gettimeofday(&tv, NULL); return tv.tv_usec + (tv.tv_sec * 1000000); #endif } static const int64_t min_sleep = CONFIG_DELAY_MINIMUM_SLEEP_US; /* * A short delay should delay for at least as long as requested, * and more than 10x as long would be worrisome. * * This test could fail spuriously on a heavily-loaded system, or if we need * to use gettimeofday() and a time change (such as DST) occurs during the * test. */ void udelay_test_short(void **state) { /* * Delay for 100 microseconds, or short enough that we won't sleep. * It's not useful to test the sleep path because we assume the OS won't * sleep for less time than we ask. */ uint64_t delay_us = 100; if (delay_us >= min_sleep) delay_us = min_sleep - 1; /* No point in running this test if delay always sleeps. */ if (delay_us <= 0) skip(); uint64_t start = now_us(); default_delay(delay_us); uint64_t elapsed = now_us() - start; assert_true((elapsed >= delay_us) && (elapsed <= 10 * delay_us)); }