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92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
/** Unit tests for time related utlities
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*
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2017, Institute for Automation of Complex Power Systems, EONERC
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* @license GNU General Public License (version 3)
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*
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* VILLASnode
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************************/
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#include <unistd.h>
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#include <math.h>
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#include <criterion/criterion.h>
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#include <villas/timing.h>
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Test(timing, time_now)
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{
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struct timespec now1 = time_now();
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struct timespec now2 = time_now();
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double delta = time_delta(&now1, &now2);
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cr_assert_float_eq(delta, 0, 1e-5, "time_now() shows large variance!");
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cr_assert_gt(delta, 0, "time_now() was reordered!");
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}
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Test(timing, time_diff)
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{
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struct timespec ts1 = { .tv_sec = 0, .tv_nsec = 1}; /* Value doesnt matter */
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struct timespec ts2 = { .tv_sec = 1, .tv_nsec = 0}; /* Overflow in nano seconds! */
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struct timespec ts3 = time_diff(&ts1, &ts2);
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/* ts4 == ts2? */
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cr_assert_eq(ts3.tv_sec, 0);
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cr_assert_eq(ts3.tv_nsec, 999999999);
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}
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Test(timing, time_add)
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{
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struct timespec ts1 = { .tv_sec = 1, .tv_nsec = 999999999}; /* Value doesnt matter */
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struct timespec ts2 = { .tv_sec = 1, .tv_nsec = 1}; /* Overflow in nano seconds! */
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struct timespec ts3 = time_add(&ts1, &ts2);
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/* ts4 == ts2? */
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cr_assert_eq(ts3.tv_sec, 3);
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cr_assert_eq(ts3.tv_nsec, 0);
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}
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Test(timing, time_delta)
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{
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struct timespec ts1 = { .tv_sec = 1, .tv_nsec = 123}; /* Value doesnt matter */
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struct timespec ts2 = { .tv_sec = 5, .tv_nsec = 246}; /* Overflow in nano seconds! */
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double delta = time_delta(&ts1, &ts2);
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cr_assert_float_eq(delta, 4 + 123e-9, 1e-9);
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}
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Test(timing, time_from_double)
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{
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double ref = 1234.56789;
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struct timespec ts = time_from_double(ref);
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cr_assert_eq(ts.tv_sec, 1234);
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cr_assert_eq(ts.tv_nsec, 567890000);
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}
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Test(timing, time_to_from_double)
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{
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double ref = 1234.56789;
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struct timespec ts = time_from_double(ref);
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double dbl = time_to_double(&ts);
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cr_assert_float_eq(dbl, ref, 1e-9);
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}
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