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95 lines
2.7 KiB
C
95 lines
2.7 KiB
C
/*
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* Copyright (C) 2020 Otto-von-Guericke-Universität Magdeburg
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup tests
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* @{
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*
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* @file
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* @brief Test application for testing ztimer_mutex_lock_timeout_timeout
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*
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* @author Marian Buschsieweke <marian.buschsieweke@ovgu.de>
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* @}
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*/
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#include <errno.h>
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#include <stdio.h>
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#include "mutex.h"
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#include "test_utils/expect.h"
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#include "timex.h"
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#include "ztimer.h"
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#ifndef TEST_CLOCK
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#define TEST_CLOCK ZTIMER_USEC
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#endif
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#ifndef TIMEOUT_SMALL
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#define TIMEOUT_SMALL (100U)
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#endif
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#ifndef TIMEOUT_LARGE
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#define TIMEOUT_LARGE (US_PER_SEC / 2)
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#endif
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static mutex_t testlock = MUTEX_INIT;
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int main(void)
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{
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ztimer_now_t pre, post;
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puts(
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"Test Application for ztimer_mutex_lock_timeout_timeout()\n"
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"================================================\n"
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);
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printf("%s: ", "Test on unlocked mutex with zero timeout");
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expect(ztimer_mutex_lock_timeout(TEST_CLOCK, &testlock, 0) == 0);
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puts("OK");
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printf("%s: ", "Test on unlocked mutex with small timeout");
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mutex_unlock(&testlock);
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expect(ztimer_mutex_lock_timeout(TEST_CLOCK, &testlock, TIMEOUT_SMALL) == 0);
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puts("OK");
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printf("%s: ", "Test on unlocked mutex with large timeout");
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mutex_unlock(&testlock);
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pre = ztimer_now(TEST_CLOCK);
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expect(ztimer_mutex_lock_timeout(TEST_CLOCK, &testlock, US_PER_SEC / 2) == 0);
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post = ztimer_now(TEST_CLOCK);
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/* Call shouldn't block on unlocked mutex. So the duration spent on the
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* function call should be short. Let's take a very generous definition of
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* "short duration" here to not get false failures on slow boards */
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expect(post - pre < TIMEOUT_LARGE);
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puts("OK");
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printf("%s: ", "Test on locked mutex with zero timeout");
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pre = ztimer_now(TEST_CLOCK);
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expect(ztimer_mutex_lock_timeout(TEST_CLOCK, &testlock, 0) == -ECANCELED);
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post = ztimer_now(TEST_CLOCK);
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expect(post - pre < TIMEOUT_LARGE);
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puts("OK");
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printf("%s: ", "Test on locked mutex with small timeout");
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pre = ztimer_now(TEST_CLOCK);
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expect(ztimer_mutex_lock_timeout(TEST_CLOCK, &testlock, TIMEOUT_SMALL) == -ECANCELED);
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post = ztimer_now(TEST_CLOCK);
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expect((post - pre > TIMEOUT_SMALL) && (post - pre < TIMEOUT_LARGE));
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puts("OK");
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printf("%s: ", "Test on locked mutex with large timeout");
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pre = ztimer_now(TEST_CLOCK);
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expect(ztimer_mutex_lock_timeout(TEST_CLOCK, &testlock, TIMEOUT_LARGE) == -ECANCELED);
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post = ztimer_now(TEST_CLOCK);
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expect(post - pre > TIMEOUT_LARGE);
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puts("OK");
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puts("TEST PASSED");
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return 0;
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}
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