| /* |
| * Copyright (c) 2013, Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "third_party/blink/renderer/core/animation/animation_clock.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace blink { |
| |
| class AnimationAnimationClockTest : public testing::Test { |
| public: |
| AnimationAnimationClockTest() : animation_clock(MockTimeFunction) {} |
| |
| protected: |
| void SetUp() override { |
| mock_time_ = 0; |
| animation_clock.ResetTimeForTesting(); |
| } |
| |
| static base::TimeTicks MockTimeFunction() { |
| return base::TimeTicks() + base::TimeDelta::FromSecondsD(mock_time_); |
| } |
| |
| static double mock_time_; |
| AnimationClock animation_clock; |
| }; |
| |
| double AnimationAnimationClockTest::mock_time_; |
| |
| TEST_F(AnimationAnimationClockTest, TimeIsGreaterThanZeroForUnitTests) { |
| AnimationClock clock; |
| // unit tests outside core/animation shouldn't need to do anything to get |
| // a non-zero currentTime(). |
| EXPECT_GT(clock.CurrentTime(), 0); |
| } |
| |
| TEST_F(AnimationAnimationClockTest, TimeDoesNotChange) { |
| animation_clock.UpdateTime(base::TimeTicks() + |
| base::TimeDelta::FromSeconds(100)); |
| EXPECT_EQ(100, animation_clock.CurrentTime()); |
| EXPECT_EQ(100, animation_clock.CurrentTime()); |
| } |
| |
| TEST_F(AnimationAnimationClockTest, TimeAdvancesWhenUpdated) { |
| animation_clock.UpdateTime(base::TimeTicks() + |
| base::TimeDelta::FromSeconds(100)); |
| EXPECT_EQ(100, animation_clock.CurrentTime()); |
| |
| animation_clock.UpdateTime(base::TimeTicks() + |
| base::TimeDelta::FromSeconds(200)); |
| EXPECT_EQ(200, animation_clock.CurrentTime()); |
| } |
| |
| TEST_F(AnimationAnimationClockTest, TimeAdvancesToTaskTime) { |
| animation_clock.UpdateTime(base::TimeTicks() + |
| base::TimeDelta::FromSeconds(100)); |
| EXPECT_EQ(100, animation_clock.CurrentTime()); |
| |
| mock_time_ = 150; |
| AnimationClock::NotifyTaskStart(); |
| EXPECT_GE(animation_clock.CurrentTime(), mock_time_); |
| } |
| |
| TEST_F(AnimationAnimationClockTest, TimeAdvancesToTaskTimeOnlyWhenRequired) { |
| animation_clock.UpdateTime(base::TimeTicks() + |
| base::TimeDelta::FromSeconds(100)); |
| EXPECT_EQ(100, animation_clock.CurrentTime()); |
| |
| AnimationClock::NotifyTaskStart(); |
| animation_clock.UpdateTime(base::TimeTicks() + |
| base::TimeDelta::FromSeconds(125)); |
| EXPECT_EQ(125, animation_clock.CurrentTime()); |
| } |
| |
| TEST_F(AnimationAnimationClockTest, UpdateTimeIsMonotonic) { |
| animation_clock.UpdateTime(base::TimeTicks() + |
| base::TimeDelta::FromSeconds(100)); |
| EXPECT_EQ(100, animation_clock.CurrentTime()); |
| |
| // Update can't go backwards. |
| animation_clock.UpdateTime(base::TimeTicks() + |
| base::TimeDelta::FromSeconds(50)); |
| EXPECT_EQ(100, animation_clock.CurrentTime()); |
| |
| mock_time_ = 50; |
| AnimationClock::NotifyTaskStart(); |
| EXPECT_EQ(100, animation_clock.CurrentTime()); |
| |
| mock_time_ = 150; |
| AnimationClock::NotifyTaskStart(); |
| EXPECT_GE(animation_clock.CurrentTime(), mock_time_); |
| |
| // Update can't go backwards after advance to estimate. |
| animation_clock.UpdateTime(base::TimeTicks() + |
| base::TimeDelta::FromSeconds(100)); |
| EXPECT_GE(animation_clock.CurrentTime(), mock_time_); |
| } |
| |
| TEST_F(AnimationAnimationClockTest, CurrentTimeUpdatesTask) { |
| animation_clock.UpdateTime(base::TimeTicks() + |
| base::TimeDelta::FromSeconds(100)); |
| EXPECT_EQ(100, animation_clock.CurrentTime()); |
| |
| mock_time_ = 100; |
| AnimationClock::NotifyTaskStart(); |
| EXPECT_EQ(100, animation_clock.CurrentTime()); |
| |
| mock_time_ = 150; |
| EXPECT_EQ(100, animation_clock.CurrentTime()); |
| } |
| |
| } // namespace blink |