72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
/*
|
|
**********************************************************************
|
|
* Copyright (C) Miroslav Lichvar 2016
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of version 2 of the GNU General Public License as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
**********************************************************************
|
|
*/
|
|
|
|
#include <hwclock.c>
|
|
#include "test.h"
|
|
|
|
void
|
|
test_unit(void)
|
|
{
|
|
struct timespec start_hw_ts, start_local_ts, hw_ts, local_ts, ts;
|
|
HCL_Instance clock;
|
|
double freq, jitter, interval, d;
|
|
int i, j;
|
|
|
|
LCL_Initialise();
|
|
|
|
clock = HCL_CreateInstance(1.0);
|
|
|
|
for (i = 0; i < 2000; i++) {
|
|
UTI_ZeroTimespec(&start_hw_ts);
|
|
UTI_ZeroTimespec(&start_local_ts);
|
|
UTI_AddDoubleToTimespec(&start_hw_ts, TST_GetRandomDouble(0.0, 1e9), &start_hw_ts);
|
|
UTI_AddDoubleToTimespec(&start_local_ts, TST_GetRandomDouble(0.0, 1e9), &start_local_ts);
|
|
|
|
DEBUG_LOG(0, "iteration %d", i);
|
|
|
|
freq = TST_GetRandomDouble(0.9, 1.1);
|
|
jitter = TST_GetRandomDouble(10.0e-9, 1000.0e-9);
|
|
interval = TST_GetRandomDouble(0.1, 10.0);
|
|
|
|
clock->n_samples = 0;
|
|
clock->valid_coefs = 0;
|
|
|
|
for (j = 0; j < 100; j++) {
|
|
UTI_AddDoubleToTimespec(&start_hw_ts, j * interval * freq + TST_GetRandomDouble(-jitter, jitter), &hw_ts);
|
|
UTI_AddDoubleToTimespec(&start_local_ts, j * interval, &local_ts);
|
|
if (HCL_CookTime(clock, &hw_ts, &ts, NULL)) {
|
|
d = UTI_DiffTimespecsToDouble(&ts, &local_ts);
|
|
TEST_CHECK(fabs(d) <= 5.0 * jitter);
|
|
}
|
|
|
|
if (HCL_NeedsNewSample(clock, &local_ts))
|
|
HCL_AccumulateSample(clock, &hw_ts, &local_ts, 2.0 * jitter);
|
|
|
|
TEST_CHECK(j < 20 || clock->valid_coefs);
|
|
|
|
if (!clock->valid_coefs)
|
|
continue;
|
|
|
|
TEST_CHECK(fabs(clock->offset) <= 2.0 * jitter);
|
|
}
|
|
}
|
|
|
|
LCL_Finalise();
|
|
}
|