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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-09 12:48:01 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-09 12:48:01 +0000 |
commit | b2d2d555a704148968cb7e566735a2a1b1a2f189 (patch) | |
tree | 18549ff498338f40ecf7aa327620abf4c1c3ee43 /test/unit/smooth.c | |
parent | Initial commit. (diff) | |
download | chrony-b2d2d555a704148968cb7e566735a2a1b1a2f189.tar.xz chrony-b2d2d555a704148968cb7e566735a2a1b1a2f189.zip |
Adding upstream version 4.5.upstream/4.5
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/unit/smooth.c')
-rw-r--r-- | test/unit/smooth.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/test/unit/smooth.c b/test/unit/smooth.c new file mode 100644 index 0000000..998a4d1 --- /dev/null +++ b/test/unit/smooth.c @@ -0,0 +1,63 @@ +/* + ********************************************************************** + * 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 <smooth.c> +#include "test.h" + +void +test_unit(void) +{ + int i, j; + struct timespec ts; + double offset, freq, wander; + char conf[] = "smoothtime 300 0.01"; + + CNF_Initialise(0, 0); + CNF_ParseLine(NULL, 1, conf); + + LCL_Initialise(); + SMT_Initialise(); + locked = 0; + + for (i = 0; i < 500; i++) { + UTI_ZeroTimespec(&ts); + SMT_Reset(&ts); + + DEBUG_LOG("iteration %d", i); + + offset = (random() % 1000000 - 500000) / 1.0e6; + freq = (random() % 1000000 - 500000) / 1.0e9; + update_smoothing(&ts, offset, freq); + + for (j = 0; j < 10000; j++) { + update_smoothing(&ts, 0.0, 0.0); + UTI_AddDoubleToTimespec(&ts, 16.0, &ts); + get_smoothing(&ts, &offset, &freq, &wander); + } + + TEST_CHECK(fabs(offset) < 1e-12); + TEST_CHECK(fabs(freq) < 1e-12); + TEST_CHECK(fabs(wander) < 1e-12); + } + + SMT_Finalise(); + LCL_Finalise(); + CNF_Finalise(); +} |