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72 lines
1.5 KiB
C++
72 lines
1.5 KiB
C++
/* Unit tests for periodic tasks.
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*
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* Author: Steffen Vogel <post@steffenvogel.de>
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* SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <criterion/criterion.h>
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#include <math.h>
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#include <villas/task.hpp>
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#include <villas/timing.hpp>
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using namespace villas;
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// cppcheck-suppress unknownMacro
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TestSuite(task, .description = "Periodic timer tasks");
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Test(task, rate, .timeout = 10) {
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int runs = 10;
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double rate = 5, waited;
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struct timespec start, end;
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Task task(CLOCK_MONOTONIC);
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task.setRate(rate);
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int i;
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for (i = 0; i < runs; i++) {
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clock_gettime(CLOCK_MONOTONIC, &start);
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task.wait();
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clock_gettime(CLOCK_MONOTONIC, &end);
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waited = time_delta(&start, &end);
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if (fabs(waited - 1.0 / rate) > 10e-3)
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break;
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}
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if (i < runs)
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cr_assert_float_eq(waited, 1.0 / rate, 1e-2,
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"We slept for %f instead of %f secs in round %d", waited,
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1.0 / rate, i);
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}
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Test(task, wait_until, .timeout = 5) {
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int ret;
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struct timespec start, end, diff, future;
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Task task(CLOCK_REALTIME);
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double waitfor = 3.423456789;
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start = time_now();
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diff = time_from_double(waitfor);
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future = time_add(&start, &diff);
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task.setNext(&future);
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ret = task.wait();
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end = time_now();
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cr_assert_eq(ret, 1);
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double waited = time_delta(&start, &end);
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cr_assert_float_eq(waited, waitfor, 1e-2,
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"We slept for %f instead of %f secs", waited, waitfor);
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}
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