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/*
* Copyright (C) 2015 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 <stdint.h>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <memory>
#include "metrics/metrics_library_mock.h"
#include "metrics/timer.h"
#include "metrics/timer_mock.h"
using ::testing::_;
using ::testing::Return;
namespace chromeos_metrics {
namespace {
const int64_t kStime1MSec = 1400;
const int64_t kEtime1MSec = 3000;
const int64_t kDelta1MSec = 1600;
const int64_t kStime2MSec = 4200;
const int64_t kEtime2MSec = 5000;
const int64_t kDelta2MSec = 800;
const int64_t kStime3MSec = 6600;
const int64_t kEtime3MSec = 6800;
const int64_t kDelta3MSec = 200;
} // namespace
class TimerTest : public testing::Test {
public:
TimerTest() : clock_wrapper_mock_(new ClockWrapperMock()) {}
protected:
virtual void SetUp() {
EXPECT_EQ(Timer::kTimerStopped, timer_.timer_state_);
stime += base::TimeDelta::FromMilliseconds(kStime1MSec);
etime += base::TimeDelta::FromMilliseconds(kEtime1MSec);
stime2 += base::TimeDelta::FromMilliseconds(kStime2MSec);
etime2 += base::TimeDelta::FromMilliseconds(kEtime2MSec);
stime3 += base::TimeDelta::FromMilliseconds(kStime3MSec);
etime3 += base::TimeDelta::FromMilliseconds(kEtime3MSec);
}
virtual void TearDown() {}
Timer timer_;
std::unique_ptr<ClockWrapperMock> clock_wrapper_mock_;
base::TimeTicks stime, etime, stime2, etime2, stime3, etime3;
};
TEST_F(TimerTest, StartStop) {
EXPECT_CALL(*clock_wrapper_mock_, GetCurrentTime())
.WillOnce(Return(stime))
.WillOnce(Return(etime));
timer_.clock_wrapper_ = std::move(clock_wrapper_mock_);
ASSERT_TRUE(timer_.Start());
ASSERT_TRUE(timer_.start_time_ == stime);
ASSERT_TRUE(timer_.HasStarted());
ASSERT_TRUE(timer_.Stop());
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(), kDelta1MSec);
base::TimeDelta elapsed_time;
ASSERT_TRUE(timer_.GetElapsedTime(&elapsed_time));
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(),
elapsed_time.InMilliseconds());
ASSERT_FALSE(timer_.HasStarted());
}
TEST_F(TimerTest, ReStart) {
EXPECT_CALL(*clock_wrapper_mock_, GetCurrentTime())
.WillOnce(Return(stime))
.WillOnce(Return(etime));
timer_.clock_wrapper_ = std::move(clock_wrapper_mock_);
timer_.Start();
base::TimeTicks buffer = timer_.start_time_;
timer_.Start();
ASSERT_FALSE(timer_.start_time_ == buffer);
}
TEST_F(TimerTest, Reset) {
EXPECT_CALL(*clock_wrapper_mock_, GetCurrentTime())
.WillOnce(Return(stime));
timer_.clock_wrapper_ = std::move(clock_wrapper_mock_);
timer_.Start();
ASSERT_TRUE(timer_.Reset());
ASSERT_FALSE(timer_.HasStarted());
}
TEST_F(TimerTest, SeparatedTimers) {
EXPECT_CALL(*clock_wrapper_mock_, GetCurrentTime())
.WillOnce(Return(stime))
.WillOnce(Return(etime))
.WillOnce(Return(stime2))
.WillOnce(Return(etime2));
timer_.clock_wrapper_ = std::move(clock_wrapper_mock_);
ASSERT_TRUE(timer_.Start());
ASSERT_TRUE(timer_.Stop());
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(), kDelta1MSec);
ASSERT_TRUE(timer_.Start());
ASSERT_TRUE(timer_.start_time_ == stime2);
ASSERT_TRUE(timer_.Stop());
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(), kDelta2MSec);
ASSERT_FALSE(timer_.HasStarted());
base::TimeDelta elapsed_time;
ASSERT_TRUE(timer_.GetElapsedTime(&elapsed_time));
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(),
elapsed_time.InMilliseconds());
}
TEST_F(TimerTest, InvalidStop) {
EXPECT_CALL(*clock_wrapper_mock_, GetCurrentTime())
.WillOnce(Return(stime))
.WillOnce(Return(etime));
timer_.clock_wrapper_ = std::move(clock_wrapper_mock_);
ASSERT_FALSE(timer_.Stop());
// Now we try it again, but after a valid start/stop.
timer_.Start();
timer_.Stop();
base::TimeDelta elapsed_time = timer_.elapsed_time_;
ASSERT_FALSE(timer_.Stop());
ASSERT_TRUE(elapsed_time == timer_.elapsed_time_);
}
TEST_F(TimerTest, InvalidElapsedTime) {
base::TimeDelta elapsed_time;
ASSERT_FALSE(timer_.GetElapsedTime(&elapsed_time));
}
TEST_F(TimerTest, PauseStartStopResume) {
EXPECT_CALL(*clock_wrapper_mock_, GetCurrentTime())
.WillOnce(Return(stime))
.WillOnce(Return(stime2))
.WillOnce(Return(etime2))
.WillOnce(Return(stime3))
.WillOnce(Return(etime3));
timer_.clock_wrapper_ = std::move(clock_wrapper_mock_);
ASSERT_TRUE(timer_.Pause()); // Starts timer paused.
ASSERT_TRUE(timer_.start_time_ == stime);
ASSERT_TRUE(timer_.HasStarted());
ASSERT_TRUE(timer_.Start()); // Restarts timer.
ASSERT_TRUE(timer_.start_time_ == stime2);
ASSERT_TRUE(timer_.HasStarted());
ASSERT_TRUE(timer_.Stop());
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(), kDelta2MSec);
ASSERT_FALSE(timer_.HasStarted());
base::TimeDelta elapsed_time;
ASSERT_TRUE(timer_.GetElapsedTime(&elapsed_time));
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(),
elapsed_time.InMilliseconds());
ASSERT_TRUE(timer_.Resume());
ASSERT_TRUE(timer_.HasStarted());
ASSERT_TRUE(timer_.GetElapsedTime(&elapsed_time));
ASSERT_EQ(kDelta3MSec, elapsed_time.InMilliseconds());
}
TEST_F(TimerTest, ResumeStartStopPause) {
EXPECT_CALL(*clock_wrapper_mock_, GetCurrentTime())
.WillOnce(Return(stime))
.WillOnce(Return(stime2))
.WillOnce(Return(etime2))
.WillOnce(Return(stime3));
timer_.clock_wrapper_ = std::move(clock_wrapper_mock_);
ASSERT_TRUE(timer_.Resume());
ASSERT_TRUE(timer_.start_time_ == stime);
ASSERT_TRUE(timer_.HasStarted());
ASSERT_TRUE(timer_.Start());
ASSERT_TRUE(timer_.start_time_ == stime2);
ASSERT_TRUE(timer_.HasStarted());
ASSERT_TRUE(timer_.Stop());
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(), kDelta2MSec);
ASSERT_FALSE(timer_.HasStarted());
base::TimeDelta elapsed_time;
ASSERT_TRUE(timer_.GetElapsedTime(&elapsed_time));
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(),
elapsed_time.InMilliseconds());
ASSERT_TRUE(timer_.Pause());
ASSERT_TRUE(timer_.HasStarted());
ASSERT_TRUE(timer_.GetElapsedTime(&elapsed_time));
ASSERT_EQ(0, elapsed_time.InMilliseconds());
}
TEST_F(TimerTest, StartResumeStop) {
EXPECT_CALL(*clock_wrapper_mock_, GetCurrentTime())
.WillOnce(Return(stime))
.WillOnce(Return(etime));
timer_.clock_wrapper_ = std::move(clock_wrapper_mock_);
ASSERT_TRUE(timer_.Start());
ASSERT_TRUE(timer_.start_time_ == stime);
ASSERT_TRUE(timer_.HasStarted());
ASSERT_FALSE(timer_.Resume());
ASSERT_TRUE(timer_.start_time_ == stime);
ASSERT_TRUE(timer_.HasStarted());
ASSERT_TRUE(timer_.Stop());
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(), kDelta1MSec);
ASSERT_FALSE(timer_.HasStarted());
base::TimeDelta elapsed_time;
ASSERT_TRUE(timer_.GetElapsedTime(&elapsed_time));
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(),
elapsed_time.InMilliseconds());
}
TEST_F(TimerTest, StartPauseStop) {
EXPECT_CALL(*clock_wrapper_mock_, GetCurrentTime())
.WillOnce(Return(stime))
.WillOnce(Return(etime));
timer_.clock_wrapper_ = std::move(clock_wrapper_mock_);
ASSERT_TRUE(timer_.Start());
ASSERT_TRUE(timer_.start_time_ == stime);
ASSERT_TRUE(timer_.HasStarted());
ASSERT_TRUE(timer_.Pause());
ASSERT_TRUE(timer_.HasStarted());
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(), kDelta1MSec);
base::TimeDelta elapsed_time;
ASSERT_TRUE(timer_.GetElapsedTime(&elapsed_time));
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(),
elapsed_time.InMilliseconds());
ASSERT_TRUE(timer_.Stop());
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(), kDelta1MSec);
ASSERT_FALSE(timer_.HasStarted());
ASSERT_TRUE(timer_.GetElapsedTime(&elapsed_time));
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(),
elapsed_time.InMilliseconds());
}
TEST_F(TimerTest, StartPauseResumeStop) {
EXPECT_CALL(*clock_wrapper_mock_, GetCurrentTime())
.WillOnce(Return(stime))
.WillOnce(Return(etime))
.WillOnce(Return(stime2))
.WillOnce(Return(etime2));
timer_.clock_wrapper_ = std::move(clock_wrapper_mock_);
ASSERT_TRUE(timer_.Start());
ASSERT_TRUE(timer_.start_time_ == stime);
ASSERT_TRUE(timer_.HasStarted());
ASSERT_TRUE(timer_.Pause());
ASSERT_TRUE(timer_.HasStarted());
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(), kDelta1MSec);
base::TimeDelta elapsed_time;
ASSERT_TRUE(timer_.GetElapsedTime(&elapsed_time));
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(),
elapsed_time.InMilliseconds());
ASSERT_TRUE(timer_.Resume());
ASSERT_TRUE(timer_.HasStarted());
ASSERT_TRUE(timer_.Stop());
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(), kDelta1MSec + kDelta2MSec);
ASSERT_FALSE(timer_.HasStarted());
ASSERT_TRUE(timer_.GetElapsedTime(&elapsed_time));
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(),
elapsed_time.InMilliseconds());
}
TEST_F(TimerTest, PauseStop) {
EXPECT_CALL(*clock_wrapper_mock_, GetCurrentTime())
.WillOnce(Return(stime));
timer_.clock_wrapper_ = std::move(clock_wrapper_mock_);
ASSERT_TRUE(timer_.Pause());
ASSERT_TRUE(timer_.start_time_ == stime);
ASSERT_TRUE(timer_.HasStarted());
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(), 0);
ASSERT_TRUE(timer_.Stop());
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(), 0);
ASSERT_FALSE(timer_.HasStarted());
base::TimeDelta elapsed_time;
ASSERT_TRUE(timer_.GetElapsedTime(&elapsed_time));
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(),
elapsed_time.InMilliseconds());
}
TEST_F(TimerTest, PauseResumeStop) {
EXPECT_CALL(*clock_wrapper_mock_, GetCurrentTime())
.WillOnce(Return(stime))
.WillOnce(Return(stime2))
.WillOnce(Return(etime2));
timer_.clock_wrapper_ = std::move(clock_wrapper_mock_);
ASSERT_TRUE(timer_.Pause());
ASSERT_TRUE(timer_.start_time_ == stime);
ASSERT_TRUE(timer_.HasStarted());
ASSERT_TRUE(timer_.Resume());
ASSERT_TRUE(timer_.HasStarted());
ASSERT_TRUE(timer_.Stop());
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(), kDelta2MSec);
ASSERT_FALSE(timer_.HasStarted());
base::TimeDelta elapsed_time;
ASSERT_TRUE(timer_.GetElapsedTime(&elapsed_time));
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(),
elapsed_time.InMilliseconds());
}
TEST_F(TimerTest, StartPauseResumePauseStop) {
EXPECT_CALL(*clock_wrapper_mock_, GetCurrentTime())
.WillOnce(Return(stime))
.WillOnce(Return(etime))
.WillOnce(Return(stime2))
.WillOnce(Return(stime3))
.WillOnce(Return(etime3));
timer_.clock_wrapper_ = std::move(clock_wrapper_mock_);
ASSERT_TRUE(timer_.Start());
ASSERT_TRUE(timer_.start_time_ == stime);
ASSERT_TRUE(timer_.HasStarted());
ASSERT_TRUE(timer_.Pause());
ASSERT_TRUE(timer_.HasStarted());
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(), kDelta1MSec);
base::TimeDelta elapsed_time;
ASSERT_TRUE(timer_.GetElapsedTime(&elapsed_time));
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(),
elapsed_time.InMilliseconds());
ASSERT_TRUE(timer_.Resume());
ASSERT_TRUE(timer_.HasStarted());
// Make sure GetElapsedTime works while we're running.
ASSERT_TRUE(timer_.GetElapsedTime(&elapsed_time));
ASSERT_EQ(kDelta1MSec + kStime3MSec - kStime2MSec,
elapsed_time.InMilliseconds());
ASSERT_TRUE(timer_.Pause());
ASSERT_TRUE(timer_.HasStarted());
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(),
kDelta1MSec + kEtime3MSec - kStime2MSec);
ASSERT_TRUE(timer_.GetElapsedTime(&elapsed_time));
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(),
elapsed_time.InMilliseconds());
ASSERT_TRUE(timer_.Stop());
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(),
kDelta1MSec + kEtime3MSec - kStime2MSec);
ASSERT_FALSE(timer_.HasStarted());
ASSERT_TRUE(timer_.GetElapsedTime(&elapsed_time));
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(),
elapsed_time.InMilliseconds());
}
TEST_F(TimerTest, StartPauseResumePauseResumeStop) {
EXPECT_CALL(*clock_wrapper_mock_, GetCurrentTime())
.WillOnce(Return(stime))
.WillOnce(Return(etime))
.WillOnce(Return(stime2))
.WillOnce(Return(etime2))
.WillOnce(Return(stime3))
.WillOnce(Return(etime3));
timer_.clock_wrapper_ = std::move(clock_wrapper_mock_);
ASSERT_TRUE(timer_.Start());
ASSERT_TRUE(timer_.start_time_ == stime);
ASSERT_TRUE(timer_.HasStarted());
ASSERT_TRUE(timer_.Pause());
ASSERT_TRUE(timer_.HasStarted());
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(), kDelta1MSec);
base::TimeDelta elapsed_time;
ASSERT_TRUE(timer_.GetElapsedTime(&elapsed_time));
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(),
elapsed_time.InMilliseconds());
ASSERT_TRUE(timer_.Resume());
ASSERT_TRUE(timer_.HasStarted());
ASSERT_TRUE(timer_.Pause());
ASSERT_TRUE(timer_.HasStarted());
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(), kDelta1MSec + kDelta2MSec);
ASSERT_TRUE(timer_.GetElapsedTime(&elapsed_time));
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(),
elapsed_time.InMilliseconds());
ASSERT_TRUE(timer_.Resume());
ASSERT_TRUE(timer_.HasStarted());
ASSERT_TRUE(timer_.Stop());
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(),
kDelta1MSec + kDelta2MSec + kDelta3MSec);
ASSERT_FALSE(timer_.HasStarted());
ASSERT_TRUE(timer_.GetElapsedTime(&elapsed_time));
ASSERT_EQ(timer_.elapsed_time_.InMilliseconds(),
elapsed_time.InMilliseconds());
}
static const char kMetricName[] = "test-timer";
static const int kMinSample = 0;
static const int kMaxSample = 120 * 1E6;
static const int kNumBuckets = 50;
class TimerReporterTest : public testing::Test {
public:
TimerReporterTest() : timer_reporter_(kMetricName, kMinSample, kMaxSample,
kNumBuckets),
clock_wrapper_mock_(new ClockWrapperMock()) {}
protected:
virtual void SetUp() {
timer_reporter_.set_metrics_lib(&lib_);
EXPECT_EQ(timer_reporter_.histogram_name_, kMetricName);
EXPECT_EQ(timer_reporter_.min_, kMinSample);
EXPECT_EQ(timer_reporter_.max_, kMaxSample);
EXPECT_EQ(timer_reporter_.num_buckets_, kNumBuckets);
stime += base::TimeDelta::FromMilliseconds(kStime1MSec);
etime += base::TimeDelta::FromMilliseconds(kEtime1MSec);
}
virtual void TearDown() {
timer_reporter_.set_metrics_lib(nullptr);
}
TimerReporter timer_reporter_;
MetricsLibraryMock lib_;
std::unique_ptr<ClockWrapperMock> clock_wrapper_mock_;
base::TimeTicks stime, etime;
};
TEST_F(TimerReporterTest, StartStopReport) {
EXPECT_CALL(*clock_wrapper_mock_, GetCurrentTime())
.WillOnce(Return(stime))
.WillOnce(Return(etime));
timer_reporter_.clock_wrapper_ = std::move(clock_wrapper_mock_);
EXPECT_CALL(lib_, SendToUMA(kMetricName, kDelta1MSec, kMinSample, kMaxSample,
kNumBuckets)).WillOnce(Return(true));
ASSERT_TRUE(timer_reporter_.Start());
ASSERT_TRUE(timer_reporter_.Stop());
ASSERT_TRUE(timer_reporter_.ReportMilliseconds());
}
TEST_F(TimerReporterTest, InvalidReport) {
ASSERT_FALSE(timer_reporter_.ReportMilliseconds());
}
} // namespace chromeos_metrics
int main(int argc, char **argv) {
testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}