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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
*/
#include <config.h>
#define PARCTIMING_ENABLE 1
#include "../parc_Timing.h"
#include <inttypes.h>
#include <stdio.h>
#include <parc/algol/parc_SafeMemory.h>
#include <LongBow/unit-test.h>
LONGBOW_TEST_RUNNER(parc_Timing)
{
LONGBOW_RUN_TEST_FIXTURE(Global);
}
// The Test Runner calls this function once before any Test Fixtures are run.
LONGBOW_TEST_RUNNER_SETUP(parc_Timing)
{
return LONGBOW_STATUS_SUCCEEDED;
}
// The Test Runner calls this function once after all the Test Fixtures are run.
LONGBOW_TEST_RUNNER_TEARDOWN(parc_Timing)
{
return LONGBOW_STATUS_SUCCEEDED;
}
LONGBOW_TEST_FIXTURE(Global)
{
LONGBOW_RUN_TEST_CASE(Global, parcTiming_One);
LONGBOW_RUN_TEST_CASE(Global, parcTiming_Two);
}
LONGBOW_TEST_FIXTURE_SETUP(Global)
{
return LONGBOW_STATUS_SUCCEEDED;
}
LONGBOW_TEST_FIXTURE_TEARDOWN(Global)
{
if (parcSafeMemory_ReportAllocation(STDOUT_FILENO) != 0) {
printf("('%s' leaks memory by %d (allocs - frees)) ", longBowTestCase_GetName(testCase), parcMemory_Outstanding());
return LONGBOW_STATUS_MEMORYLEAK;
}
return LONGBOW_STATUS_SUCCEEDED;
}
static void
_delay(void)
{
int count = 0;
for (int i = 0; i < 100000; i++) {
count++;
}
}
LONGBOW_TEST_CASE(Global, parcTiming_One)
{
parcTiming_Init(foo);
parcTiming_Start(foo);
_delay();
parcTiming_Stop(foo);
uint64_t delta = parcTiming_Delta(foo);
assertTrue(delta > 0, "Did not measure a delta, expected positive");
parcTiming_Fini(foo);
}
/*
* Test two clocks at the same time
*/
LONGBOW_TEST_CASE(Global, parcTiming_Two)
{
parcTiming_Init(outer);
parcTiming_Init(inner);
parcTiming_Start(outer);
_delay();
parcTiming_Start(inner);
_delay();
parcTiming_Stop(inner);
parcTiming_Stop(outer);
uint64_t deltaOuter = parcTiming_Delta(outer);
uint64_t deltaInner = parcTiming_Delta(inner);
assertTrue(deltaOuter > deltaInner,
"expected the outer timer to be greater than the inner timer: outer %" PRIu64 ", inner %" PRIu64,
deltaOuter, deltaInner);
printf("outer %" PRIu64 ", inner %" PRIu64, deltaOuter, deltaInner);
parcTiming_Fini(outer);
parcTiming_Fini(inner);
}
// ===============================================================
int
main(int argc, char *argv[])
{
LongBowRunner *testRunner = LONGBOW_TEST_RUNNER_CREATE(parc_Timing);
int exitStatus = longBowMain(argc, argv, testRunner, NULL);
longBowTestRunner_Destroy(&testRunner);
exit(exitStatus);
}
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