| // Copyright 2012 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 "web_float_animation_curve_impl.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "cc/timing_function.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| using namespace WebKit; |
| |
| 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), WebAnimationCurve::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), WebAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebFloatKeyframe(1, 4), WebAnimationCurve::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), WebAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebFloatKeyframe(1, 4), WebAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebFloatKeyframe(2, 8), WebAnimationCurve::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), WebAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebFloatKeyframe(1, 4), WebAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebFloatKeyframe(1, 6), WebAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebFloatKeyframe(2, 6), WebAnimationCurve::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), WebAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebFloatKeyframe(0, 2), WebAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebFloatKeyframe(1, 4), WebAnimationCurve::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), WebAnimationCurve::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), WebAnimationCurve::TimingFunctionTypeEase); |
| curve->add(WebFloatKeyframe(1, 1), WebAnimationCurve::TimingFunctionTypeLinear); |
| |
| scoped_ptr<cc::TimingFunction> timingFunction(cc::EaseTimingFunction::create()); |
| for (int i = 0; i <= 4; ++i) { |
| const double time = i * 0.25; |
| EXPECT_FLOAT_EQ(timingFunction->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), WebAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebFloatKeyframe(1, 1), WebAnimationCurve::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), WebAnimationCurve::TimingFunctionTypeEaseIn); |
| curve->add(WebFloatKeyframe(1, 1), WebAnimationCurve::TimingFunctionTypeLinear); |
| |
| scoped_ptr<cc::TimingFunction> timingFunction(cc::EaseInTimingFunction::create()); |
| for (int i = 0; i <= 4; ++i) { |
| const double time = i * 0.25; |
| EXPECT_FLOAT_EQ(timingFunction->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), WebAnimationCurve::TimingFunctionTypeEaseOut); |
| curve->add(WebFloatKeyframe(1, 1), WebAnimationCurve::TimingFunctionTypeLinear); |
| |
| scoped_ptr<cc::TimingFunction> timingFunction(cc::EaseOutTimingFunction::create()); |
| for (int i = 0; i <= 4; ++i) { |
| const double time = i * 0.25; |
| EXPECT_FLOAT_EQ(timingFunction->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), WebAnimationCurve::TimingFunctionTypeEaseInOut); |
| curve->add(WebFloatKeyframe(1, 1), WebAnimationCurve::TimingFunctionTypeLinear); |
| |
| scoped_ptr<cc::TimingFunction> timingFunction(cc::EaseInOutTimingFunction::create()); |
| for (int i = 0; i <= 4; ++i) { |
| const double time = i * 0.25; |
| EXPECT_FLOAT_EQ(timingFunction->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), WebAnimationCurve::TimingFunctionTypeLinear); |
| |
| scoped_ptr<cc::TimingFunction> timingFunction(cc::CubicBezierTimingFunction::create(x1, y1, x2, y2)); |
| for (int i = 0; i <= 4; ++i) { |
| const double time = i * 0.25; |
| EXPECT_FLOAT_EQ(timingFunction->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), WebAnimationCurve::TimingFunctionTypeLinear); |
| |
| scoped_ptr<cc::TimingFunction> timingFunction(cc::EaseTimingFunction::create()); |
| for (int i = 0; i <= 4; ++i) { |
| const double time = i * 0.25; |
| EXPECT_FLOAT_EQ(timingFunction->getValue(time), curve->getValue(time)); |
| } |
| } |
| |
| } // namespace |