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/*
* Copyright (C) 2016 The Android Open Source Project
*
* 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 "clock.h"
#include "stopwatch.h"
#include <gtest/gtest.h>
using profiler::Clock;
using profiler::Stopwatch;
using std::shared_ptr;
class MockClock final : public Clock {
public:
MockClock(uint64_t mockTime = 0) : mockTime_(mockTime) { }
virtual uint64_t GetCurrentTime() const override {
return mockTime_;
}
void SetCurrentTime(uint64_t time) {
mockTime_ = time;
}
void Elapse(uint64_t elapsed) {
mockTime_ += elapsed;
}
private:
uint64_t mockTime_;
};
TEST(Stopwatch, GetElapsedTimeFromConstruction) {
auto clock = std::make_shared<MockClock>(100);
Stopwatch stopwatch(clock);
EXPECT_EQ(0, stopwatch.GetElapsed());
clock->Elapse(123);
EXPECT_EQ(123, stopwatch.GetElapsed());
clock->Elapse(9000);
EXPECT_EQ(9123, stopwatch.GetElapsed());
}
TEST(Stopwatch, GetElapsedTimeFromStart) {
auto clock = std::make_shared<MockClock>(100);
Stopwatch stopwatch(clock);
clock->Elapse(123);
stopwatch.Start();
EXPECT_EQ(0, stopwatch.GetElapsed());
clock->Elapse(321);
EXPECT_EQ(321, stopwatch.GetElapsed());
}
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