blob: e6b8251f0ee63fcf453283885f82e5550dd39213 [file] [log] [blame]
/*
*
* 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 is a unit test suite for <tt>chip::Time::TimeSource</tt>. Tests mainly
* the ability to compile and use the test implementation of the time source.
*/
#include <gtest/gtest.h>
#include <lib/core/ErrorStr.h>
#include <lib/support/CodeUtils.h>
#include <system/SystemConfig.h>
#include <system/TimeSource.h>
TEST(TestTimeSource, TestTimeSourceSetAndGet)
{
chip::Time::TimeSource<chip::Time::Source::kTest> source;
EXPECT_EQ(source.GetMonotonicTimestamp(), chip::System::Clock::kZero);
constexpr chip::System::Clock::Milliseconds64 k1234 = chip::System::Clock::Milliseconds64(1234);
source.SetMonotonicTimestamp(k1234);
EXPECT_EQ(source.GetMonotonicTimestamp(), k1234);
}
TEST(TestTimeSource, SystemTimeSourceGet)
{
chip::Time::TimeSource<chip::Time::Source::kSystem> source;
chip::System::Clock::Timestamp oldValue = source.GetMonotonicTimestamp();
// a basic monotonic test. This is likely to take less than 1ms, so the
// actual test value lies mostly in ensuring things compile.
for (int i = 0; i < 100; i++)
{
chip::System::Clock::Timestamp newValue = source.GetMonotonicTimestamp();
EXPECT_GE(newValue, oldValue);
oldValue = newValue;
}
}