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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/scheduler/compositor_timing_history.h"
#include "cc/debug/rendering_stats_instrumentation.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace cc {
namespace {
class CompositorTimingHistoryTest;
class TestCompositorTimingHistory : public CompositorTimingHistory {
public:
TestCompositorTimingHistory(CompositorTimingHistoryTest* test,
RenderingStatsInstrumentation* rendering_stats)
: CompositorTimingHistory(rendering_stats), test_(test) {}
protected:
base::TimeTicks Now() const override;
CompositorTimingHistoryTest* test_;
private:
DISALLOW_COPY_AND_ASSIGN(TestCompositorTimingHistory);
};
class CompositorTimingHistoryTest : public testing::Test {
public:
CompositorTimingHistoryTest()
: rendering_stats_(RenderingStatsInstrumentation::Create()),
timing_history_(this, rendering_stats_.get()) {
AdvanceNowBy(base::TimeDelta::FromMilliseconds(1));
timing_history_.SetRecordingEnabled(true);
}
void AdvanceNowBy(base::TimeDelta delta) { now_ += delta; }
base::TimeTicks Now() { return now_; }
protected:
scoped_ptr<RenderingStatsInstrumentation> rendering_stats_;
TestCompositorTimingHistory timing_history_;
base::TimeTicks now_;
};
base::TimeTicks TestCompositorTimingHistory::Now() const {
return test_->Now();
}
TEST_F(CompositorTimingHistoryTest, AllSequentialCommit) {
base::TimeDelta one_second = base::TimeDelta::FromSeconds(1);
base::TimeDelta begin_main_frame_to_commit_duration =
base::TimeDelta::FromMilliseconds(1);
base::TimeDelta prepare_tiles_duration = base::TimeDelta::FromMilliseconds(2);
base::TimeDelta prepare_tiles_end_to_ready_to_activate_duration =
base::TimeDelta::FromMilliseconds(1);
base::TimeDelta commit_to_ready_to_activate_duration =
base::TimeDelta::FromMilliseconds(3);
base::TimeDelta activate_duration = base::TimeDelta::FromMilliseconds(4);
base::TimeDelta draw_duration = base::TimeDelta::FromMilliseconds(5);
timing_history_.WillBeginMainFrame();
AdvanceNowBy(begin_main_frame_to_commit_duration);
// timing_history_.BeginMainFrameAborted();
timing_history_.DidCommit();
timing_history_.WillPrepareTiles();
AdvanceNowBy(prepare_tiles_duration);
timing_history_.DidPrepareTiles();
AdvanceNowBy(prepare_tiles_end_to_ready_to_activate_duration);
timing_history_.ReadyToActivate();
// Do not count idle time between notification and actual activation.
AdvanceNowBy(one_second);
timing_history_.WillActivate();
AdvanceNowBy(activate_duration);
timing_history_.DidActivate();
// Do not count idle time between activate and draw.
AdvanceNowBy(one_second);
timing_history_.WillDraw();
AdvanceNowBy(draw_duration);
timing_history_.DidDraw();
EXPECT_EQ(begin_main_frame_to_commit_duration,
timing_history_.BeginMainFrameToCommitDurationEstimate());
EXPECT_EQ(commit_to_ready_to_activate_duration,
timing_history_.CommitToReadyToActivateDurationEstimate());
EXPECT_EQ(prepare_tiles_duration,
timing_history_.PrepareTilesDurationEstimate());
EXPECT_EQ(activate_duration, timing_history_.ActivateDurationEstimate());
EXPECT_EQ(draw_duration, timing_history_.DrawDurationEstimate());
}
TEST_F(CompositorTimingHistoryTest, AllSequentialBeginMainFrameAborted) {
base::TimeDelta one_second = base::TimeDelta::FromSeconds(1);
base::TimeDelta begin_main_frame_to_commit_duration =
base::TimeDelta::FromMilliseconds(1);
base::TimeDelta prepare_tiles_duration = base::TimeDelta::FromMilliseconds(2);
base::TimeDelta prepare_tiles_end_to_ready_to_activate_duration =
base::TimeDelta::FromMilliseconds(1);
base::TimeDelta commit_to_ready_to_activate_duration =
base::TimeDelta::FromMilliseconds(3);
base::TimeDelta activate_duration = base::TimeDelta::FromMilliseconds(4);
base::TimeDelta draw_duration = base::TimeDelta::FromMilliseconds(5);
timing_history_.WillBeginMainFrame();
AdvanceNowBy(begin_main_frame_to_commit_duration);
// BeginMainFrameAborted counts as a commit complete.
timing_history_.BeginMainFrameAborted();
timing_history_.WillPrepareTiles();
AdvanceNowBy(prepare_tiles_duration);
timing_history_.DidPrepareTiles();
AdvanceNowBy(prepare_tiles_end_to_ready_to_activate_duration);
timing_history_.ReadyToActivate();
// Do not count idle time between notification and actual activation.
AdvanceNowBy(one_second);
timing_history_.WillActivate();
AdvanceNowBy(activate_duration);
timing_history_.DidActivate();
// Do not count idle time between activate and draw.
AdvanceNowBy(one_second);
timing_history_.WillDraw();
AdvanceNowBy(draw_duration);
timing_history_.DidDraw();
EXPECT_EQ(begin_main_frame_to_commit_duration,
timing_history_.BeginMainFrameToCommitDurationEstimate());
EXPECT_EQ(commit_to_ready_to_activate_duration,
timing_history_.CommitToReadyToActivateDurationEstimate());
EXPECT_EQ(prepare_tiles_duration,
timing_history_.PrepareTilesDurationEstimate());
EXPECT_EQ(activate_duration, timing_history_.ActivateDurationEstimate());
EXPECT_EQ(draw_duration, timing_history_.DrawDurationEstimate());
}
} // namespace
} // namespace cc
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