| // Copyright 2014 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 "base/memory/scoped_ptr.h" |
| #include "cc/animation/timing_function.h" |
| #include "cc/blink/web_float_animation_curve_impl.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| using blink::WebCompositorAnimationCurve; |
| using blink::WebFloatAnimationCurve; |
| using blink::WebFloatKeyframe; |
| |
| namespace cc_blink { |
| namespace { |
| |
| // Tests that a float animation with one keyframe works as expected. |
| TEST(WebFloatAnimationCurveTest, OneFloatKeyframe) { |
| scoped_ptr<WebFloatAnimationCurve> curve(new WebFloatAnimationCurveImpl); |
| curve->add(WebFloatKeyframe(0, 2), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| EXPECT_FLOAT_EQ(2, curve->getValue(-1)); |
| EXPECT_FLOAT_EQ(2, curve->getValue(0)); |
| EXPECT_FLOAT_EQ(2, curve->getValue(0.5)); |
| EXPECT_FLOAT_EQ(2, curve->getValue(1)); |
| EXPECT_FLOAT_EQ(2, curve->getValue(2)); |
| } |
| |
| // Tests that a float animation with two keyframes works as expected. |
| TEST(WebFloatAnimationCurveTest, TwoFloatKeyframe) { |
| scoped_ptr<WebFloatAnimationCurve> curve(new WebFloatAnimationCurveImpl); |
| curve->add(WebFloatKeyframe(0, 2), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebFloatKeyframe(1, 4), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| EXPECT_FLOAT_EQ(2, curve->getValue(-1)); |
| EXPECT_FLOAT_EQ(2, curve->getValue(0)); |
| EXPECT_FLOAT_EQ(3, curve->getValue(0.5)); |
| EXPECT_FLOAT_EQ(4, curve->getValue(1)); |
| EXPECT_FLOAT_EQ(4, curve->getValue(2)); |
| } |
| |
| // Tests that a float animation with three keyframes works as expected. |
| TEST(WebFloatAnimationCurveTest, ThreeFloatKeyframe) { |
| scoped_ptr<WebFloatAnimationCurve> curve(new WebFloatAnimationCurveImpl); |
| curve->add(WebFloatKeyframe(0, 2), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebFloatKeyframe(1, 4), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebFloatKeyframe(2, 8), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| EXPECT_FLOAT_EQ(2, curve->getValue(-1)); |
| EXPECT_FLOAT_EQ(2, curve->getValue(0)); |
| EXPECT_FLOAT_EQ(3, curve->getValue(0.5)); |
| EXPECT_FLOAT_EQ(4, curve->getValue(1)); |
| EXPECT_FLOAT_EQ(6, curve->getValue(1.5)); |
| EXPECT_FLOAT_EQ(8, curve->getValue(2)); |
| EXPECT_FLOAT_EQ(8, curve->getValue(3)); |
| } |
| |
| // Tests that a float animation with multiple keys at a given time works sanely. |
| TEST(WebFloatAnimationCurveTest, RepeatedFloatKeyTimes) { |
| scoped_ptr<WebFloatAnimationCurve> curve(new WebFloatAnimationCurveImpl); |
| curve->add(WebFloatKeyframe(0, 4), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebFloatKeyframe(1, 4), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebFloatKeyframe(1, 6), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebFloatKeyframe(2, 6), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| |
| EXPECT_FLOAT_EQ(4, curve->getValue(-1)); |
| EXPECT_FLOAT_EQ(4, curve->getValue(0)); |
| EXPECT_FLOAT_EQ(4, curve->getValue(0.5)); |
| |
| // There is a discontinuity at 1. Any value between 4 and 6 is valid. |
| float value = curve->getValue(1); |
| EXPECT_TRUE(value >= 4 && value <= 6); |
| |
| EXPECT_FLOAT_EQ(6, curve->getValue(1.5)); |
| EXPECT_FLOAT_EQ(6, curve->getValue(2)); |
| EXPECT_FLOAT_EQ(6, curve->getValue(3)); |
| } |
| |
| // Tests that the keyframes may be added out of order. |
| TEST(WebFloatAnimationCurveTest, UnsortedKeyframes) { |
| scoped_ptr<WebFloatAnimationCurve> curve(new WebFloatAnimationCurveImpl); |
| curve->add(WebFloatKeyframe(2, 8), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebFloatKeyframe(0, 2), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebFloatKeyframe(1, 4), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| |
| EXPECT_FLOAT_EQ(2, curve->getValue(-1)); |
| EXPECT_FLOAT_EQ(2, curve->getValue(0)); |
| EXPECT_FLOAT_EQ(3, curve->getValue(0.5)); |
| EXPECT_FLOAT_EQ(4, curve->getValue(1)); |
| EXPECT_FLOAT_EQ(6, curve->getValue(1.5)); |
| EXPECT_FLOAT_EQ(8, curve->getValue(2)); |
| EXPECT_FLOAT_EQ(8, curve->getValue(3)); |
| } |
| |
| // Tests that a cubic bezier timing function works as expected. |
| TEST(WebFloatAnimationCurveTest, CubicBezierTimingFunction) { |
| scoped_ptr<WebFloatAnimationCurve> curve(new WebFloatAnimationCurveImpl); |
| curve->add(WebFloatKeyframe(0, 0), 0.25, 0, 0.75, 1); |
| curve->add(WebFloatKeyframe(1, 1), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| |
| EXPECT_FLOAT_EQ(0, curve->getValue(0)); |
| EXPECT_LT(0, curve->getValue(0.25)); |
| EXPECT_GT(0.25, curve->getValue(0.25)); |
| EXPECT_NEAR(curve->getValue(0.5), 0.5, 0.00015); |
| EXPECT_LT(0.75, curve->getValue(0.75)); |
| EXPECT_GT(1, curve->getValue(0.75)); |
| EXPECT_FLOAT_EQ(1, curve->getValue(1)); |
| } |
| |
| // Tests that an ease timing function works as expected. |
| TEST(WebFloatAnimationCurveTest, EaseTimingFunction) { |
| scoped_ptr<WebFloatAnimationCurve> curve(new WebFloatAnimationCurveImpl); |
| curve->add(WebFloatKeyframe(0, 0), |
| WebCompositorAnimationCurve::TimingFunctionTypeEase); |
| curve->add(WebFloatKeyframe(1, 1), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| |
| scoped_ptr<cc::TimingFunction> timing_function( |
| cc::EaseTimingFunction::Create()); |
| for (int i = 0; i <= 4; ++i) { |
| const double time = i * 0.25; |
| EXPECT_FLOAT_EQ(timing_function->GetValue(time), curve->getValue(time)); |
| } |
| } |
| |
| // Tests using a linear timing function. |
| TEST(WebFloatAnimationCurveTest, LinearTimingFunction) { |
| scoped_ptr<WebFloatAnimationCurve> curve(new WebFloatAnimationCurveImpl); |
| curve->add(WebFloatKeyframe(0, 0), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebFloatKeyframe(1, 1), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| |
| for (int i = 0; i <= 4; ++i) { |
| const double time = i * 0.25; |
| EXPECT_FLOAT_EQ(time, curve->getValue(time)); |
| } |
| } |
| |
| // Tests that an ease in timing function works as expected. |
| TEST(WebFloatAnimationCurveTest, EaseInTimingFunction) { |
| scoped_ptr<WebFloatAnimationCurve> curve(new WebFloatAnimationCurveImpl); |
| curve->add(WebFloatKeyframe(0, 0), |
| WebCompositorAnimationCurve::TimingFunctionTypeEaseIn); |
| curve->add(WebFloatKeyframe(1, 1), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| |
| scoped_ptr<cc::TimingFunction> timing_function( |
| cc::EaseInTimingFunction::Create()); |
| for (int i = 0; i <= 4; ++i) { |
| const double time = i * 0.25; |
| EXPECT_FLOAT_EQ(timing_function->GetValue(time), curve->getValue(time)); |
| } |
| } |
| |
| // Tests that an ease in timing function works as expected. |
| TEST(WebFloatAnimationCurveTest, EaseOutTimingFunction) { |
| scoped_ptr<WebFloatAnimationCurve> curve(new WebFloatAnimationCurveImpl); |
| curve->add(WebFloatKeyframe(0, 0), |
| WebCompositorAnimationCurve::TimingFunctionTypeEaseOut); |
| curve->add(WebFloatKeyframe(1, 1), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| |
| scoped_ptr<cc::TimingFunction> timing_function( |
| cc::EaseOutTimingFunction::Create()); |
| for (int i = 0; i <= 4; ++i) { |
| const double time = i * 0.25; |
| EXPECT_FLOAT_EQ(timing_function->GetValue(time), curve->getValue(time)); |
| } |
| } |
| |
| // Tests that an ease in timing function works as expected. |
| TEST(WebFloatAnimationCurveTest, EaseInOutTimingFunction) { |
| scoped_ptr<WebFloatAnimationCurve> curve(new WebFloatAnimationCurveImpl); |
| curve->add(WebFloatKeyframe(0, 0), |
| WebCompositorAnimationCurve::TimingFunctionTypeEaseInOut); |
| curve->add(WebFloatKeyframe(1, 1), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| |
| scoped_ptr<cc::TimingFunction> timing_function( |
| cc::EaseInOutTimingFunction::Create()); |
| for (int i = 0; i <= 4; ++i) { |
| const double time = i * 0.25; |
| EXPECT_FLOAT_EQ(timing_function->GetValue(time), curve->getValue(time)); |
| } |
| } |
| |
| // Tests that an ease in timing function works as expected. |
| TEST(WebFloatAnimationCurveTest, CustomBezierTimingFunction) { |
| scoped_ptr<WebFloatAnimationCurve> curve(new WebFloatAnimationCurveImpl); |
| double x1 = 0.3; |
| double y1 = 0.2; |
| double x2 = 0.8; |
| double y2 = 0.7; |
| curve->add(WebFloatKeyframe(0, 0), x1, y1, x2, y2); |
| curve->add(WebFloatKeyframe(1, 1), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| |
| scoped_ptr<cc::TimingFunction> timing_function( |
| cc::CubicBezierTimingFunction::Create(x1, y1, x2, y2)); |
| for (int i = 0; i <= 4; ++i) { |
| const double time = i * 0.25; |
| EXPECT_FLOAT_EQ(timing_function->GetValue(time), curve->getValue(time)); |
| } |
| } |
| |
| // Tests that the default timing function is indeed ease. |
| TEST(WebFloatAnimationCurveTest, DefaultTimingFunction) { |
| scoped_ptr<WebFloatAnimationCurve> curve(new WebFloatAnimationCurveImpl); |
| curve->add(WebFloatKeyframe(0, 0)); |
| curve->add(WebFloatKeyframe(1, 1), |
| WebCompositorAnimationCurve::TimingFunctionTypeLinear); |
| |
| scoped_ptr<cc::TimingFunction> timing_function( |
| cc::EaseTimingFunction::Create()); |
| for (int i = 0; i <= 4; ++i) { |
| const double time = i * 0.25; |
| EXPECT_FLOAT_EQ(timing_function->GetValue(time), curve->getValue(time)); |
| } |
| } |
| |
| } // namespace |
| } // namespace cc_blink |