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/*
*
* Copyright (c) 2020 Project CHIP Authors
*
* 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.
*/
/**
* @file
* This file implements a unit test suite for the Platform Time
* code functionality.
*
*/
#include <inttypes.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <lib/support/CodeUtils.h>
#include <lib/support/UnitTestRegistration.h>
#include <lib/support/UnitTestUtils.h>
#include <nlunit-test.h>
#include <system/SystemClock.h>
#include <platform/internal/CHIPDeviceLayerInternal.h>
using namespace chip;
using namespace chip::Logging;
using namespace chip::System;
using namespace chip::System::Clock::Literals;
constexpr Clock::Milliseconds64 kTestTimeMarginMs = 2_ms64;
constexpr Clock::Microseconds64 kTestTimeMarginUs = 500_us64;
// =================================
// Unit tests
// =================================
static void TestDevice_GetMonotonicMicroseconds(nlTestSuite * inSuite, void * inContext)
{
static const Clock::Microseconds64 kTestVectorSystemTimeUs[] = {
600_us64,
900_us64,
1500_us64,
};
int numOfTestsRan = 0;
constexpr Clock::Microseconds64 margin = kTestTimeMarginUs;
for (const Clock::Microseconds64 & Tdelay : kTestVectorSystemTimeUs)
{
const Clock::Microseconds64 Tstart = System::SystemClock().GetMonotonicMicroseconds64();
chip::test_utils::SleepMicros(Tdelay.count());
const Clock::Microseconds64 Tend = System::SystemClock().GetMonotonicMicroseconds64();
const Clock::Microseconds64 Tdelta = Tend - Tstart;
ChipLogProgress(DeviceLayer, "Start=%" PRIu64 " End=%" PRIu64 " Delta=%" PRIu64 " Expected=%" PRIu64, Tstart.count(),
Tend.count(), Tdelta.count(), Tdelay.count());
// verify that timers don't fire early
NL_TEST_ASSERT(inSuite, Tdelta > (Tdelay - margin));
// verify they're not too late
// NL_TEST_ASSERT(inSuite, Tdelta < (Tdelay + margin));
numOfTestsRan++;
}
NL_TEST_ASSERT(inSuite, numOfTestsRan > 0);
}
static void TestDevice_GetMonotonicMilliseconds(nlTestSuite * inSuite, void * inContext)
{
static const System::Clock::Milliseconds64 kTestVectorSystemTimeMs[] = {
10_ms64,
100_ms64,
250_ms64,
};
int numOfTestsRan = 0;
constexpr Clock::Milliseconds64 margin = kTestTimeMarginMs;
for (const Clock::Milliseconds64 & Tdelay : kTestVectorSystemTimeMs)
{
const Clock::Milliseconds64 Tstart = System::SystemClock().GetMonotonicMilliseconds64();
chip::test_utils::SleepMillis(Tdelay.count());
const Clock::Milliseconds64 Tend = System::SystemClock().GetMonotonicMilliseconds64();
const Clock::Milliseconds64 Tdelta = Tend - Tstart;
ChipLogProgress(DeviceLayer, "Start=%" PRIu64 " End=%" PRIu64 " Delta=%" PRIu64 " Expected=%" PRIu64, Tstart.count(),
Tend.count(), Tdelta.count(), Tdelay.count());
// verify that timers don't fire early
NL_TEST_ASSERT(inSuite, Tdelta > (Tdelay - margin));
// verify they're not too late
// NL_TEST_ASSERT(inSuite, Tdelta < (Tdelay + margin));
numOfTestsRan++;
}
NL_TEST_ASSERT(inSuite, numOfTestsRan > 0);
}
/**
* Test Suite. It lists all the test functions.
*/
static const nlTest sTests[] = {
NL_TEST_DEF("Test DeviceLayer::GetMonotonicMicroseconds", TestDevice_GetMonotonicMicroseconds),
NL_TEST_DEF("Test DeviceLayer::GetMonotonicMilliseconds", TestDevice_GetMonotonicMilliseconds),
NL_TEST_SENTINEL()
};
int TestPlatformTime()
{
nlTestSuite theSuite = { "PlatformTime tests", &sTests[0], nullptr, nullptr };
// Run test suite against one context.
nlTestRunner(&theSuite, nullptr);
return nlTestRunnerStats(&theSuite);
}
CHIP_REGISTER_TEST_SUITE(TestPlatformTime)