/*
* Copyright (c) 2018 Vojtech Horky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <pcut/pcut.h>
#include <fibril.h>
#include <perf.h>
PCUT_INIT;
PCUT_TEST_SUITE(perf);
/* Checks that initialization zeroes out all entries. */
PCUT_TEST(zero_diff)
{
stopwatch_t sw;
stopwatch_init(&sw);
PCUT_ASSERT_INT_EQUALS(0, (int) stopwatch_get_nanos(&sw));
}
/* Checks that initialization zeroes out all entries. */
PCUT_TEST(zero_diff_static)
{
stopwatch_t sw = STOPWATCH_INITIALIZE_STATIC;
PCUT_ASSERT_INT_EQUALS(0, (int) stopwatch_get_nanos(&sw));
}
/* Checks that measuring 1s sleep does not give completely invalid results. */
PCUT_TEST(stopwatch_smokes)
{
stopwatch_t sw = STOPWATCH_INITIALIZE_STATIC;
stopwatch_start(&sw);
fibril_sleep(1);
stopwatch_stop(&sw);
nsec_t diff_nanos = stopwatch_get_nanos(&sw);
PCUT_ASSERT_TRUE(diff_nanos > MSEC2NSEC(500));
PCUT_ASSERT_TRUE(diff_nanos < SEC2NSEC(5));
}
/* Checks that setting time works for small values. */
PCUT_TEST(stopwatch_emulation_works_small)
{
stopwatch_t sw = STOPWATCH_INITIALIZE_STATIC;
stopwatch_set_nanos(&sw, 42);
PCUT_ASSERT_INT_EQUALS(42, (int) stopwatch_get_nanos(&sw));
}
/* Checks that setting time works for big values too. */
PCUT_TEST(stopwatch_emulation_works_big)
{
stopwatch_t sw = STOPWATCH_INITIALIZE_STATIC;
stopwatch_set_nanos(&sw, 4200000000021);
PCUT_ASSERT_EQUALS(4200000000021, (long long) stopwatch_get_nanos(&sw));
}
PCUT_EXPORT(perf);