Web Animations: Define easing for each keyframe

Source/core/animation/KeyframeEffectModelTest.cpp

 /*
  * 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
@@ skipping 16 matching lines @@
  * (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 "config.h"
 #include "core/animation/KeyframeEffectModel.h"
 
 #include "core/animation/AnimatableLength.h"
 #include "core/animation/AnimatableUnknown.h"
 #include "core/css/CSSPrimitiveValue.h"
+#include "core/css/parser/BisonCSSParser.h"
+#include "core/css/resolver/CSSToStyleMap.h"
 #include <gtest/gtest.h>
 
 using namespace WebCore;
 
 namespace {
 
 AnimatableValue* unknownAnimatableValue(double n)
 {
     return AnimatableUnknown::create(CSSPrimitiveValue::create(n, CSSPrimitiveValue::CSS_UNKNOWN).get()).leakRef();
 }
@@ skipping 69 matching lines @@
 
 TEST(AnimationKeyframeEffectModel, CompositeAdd)
 {
     KeyframeEffectModel::KeyframeVector keyframes = keyframesAtZeroAndOne(pixelAnimatableValue(3.0), pixelAnimatableValue(5.0));
     keyframes[0]->setComposite(AnimationEffect::CompositeAdd);
     keyframes[1]->setComposite(AnimationEffect::CompositeAdd);
     RefPtr<KeyframeEffectModel> effect = KeyframeEffectModel::create(keyframes);
     expectDoubleValue((7.0 + 3.0) * 0.4 + (7.0 + 5.0) * 0.6, effect->sample(0, 0.6)->at(0).second->compositeOnto(pixelAnimatableValue(7.0)));
 }
 
+TEST(AnimationKeyframeEffectModel, CompositeEaseIn)
+{
+    KeyframeEffectModel::KeyframeVector keyframes = keyframesAtZeroAndOne(pixelAnimatableValue(3.0), pixelAnimatableValue(5.0));
+    RefPtr<CSSValue> timingFunction = BisonCSSParser::parseAnimationTimingFunctionValue("ease-in");
+    keyframes[0]->setComposite(AnimationEffect::CompositeReplace);
+    keyframes[0]->setEasing(CSSToStyleMap::animationTimingFunction(timingFunction.get(), false));
+    keyframes[1]->setComposite(AnimationEffect::CompositeReplace);
+    RefPtr<KeyframeEffectModel> effect = KeyframeEffectModel::create(keyframes);
+    expectDoubleValue(3.8582394, effect->sample(0, 0.6)->at(0).second->compositeOnto(unknownAnimatableValue(7.0)));
+}
+
+TEST(AnimationKeyframeEffectModel, CompositeCubicBezier)
+{
+    KeyframeEffectModel::KeyframeVector keyframes = keyframesAtZeroAndOne(pixelAnimatableValue(3.0), pixelAnimatableValue(5.0));
+    RefPtr<CSSValue> timingFunction = BisonCSSParser::parseAnimationTimingFunctionValue("cubic-bezier(0.42, 0, 0.58, 1)");
+    keyframes[0]->setComposite(AnimationEffect::CompositeReplace);
+    keyframes[0]->setEasing(CSSToStyleMap::animationTimingFunction(timingFunction.get(), false));
+    keyframes[1]->setComposite(AnimationEffect::CompositeReplace);
+    RefPtr<KeyframeEffectModel> effect = KeyframeEffectModel::create(keyframes);
+    expectDoubleValue(4.3362322, effect->sample(0, 0.6)->at(0).second->compositeOnto(unknownAnimatableValue(7.0)));
+}
+
 TEST(AnimationKeyframeEffectModel, ExtrapolateReplaceNonInterpolable)
 {
     KeyframeEffectModel::KeyframeVector keyframes = keyframesAtZeroAndOne(unknownAnimatableValue(3.0), unknownAnimatableValue(5.0));
     RefPtr<KeyframeEffectModel> effect = KeyframeEffectModel::create(keyframes);
     keyframes[0]->setComposite(AnimationEffect::CompositeReplace);
     keyframes[1]->setComposite(AnimationEffect::CompositeReplace);
     expectDoubleValue(5.0, effect->sample(0, 1.6)->at(0).second->compositeOnto(unknownAnimatableValue(7.0)));
 }
 
 TEST(AnimationKeyframeEffectModel, ExtrapolateReplace)
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     EXPECT_DOUBLE_EQ(0.6, result[5]->offset());
     EXPECT_DOUBLE_EQ(0.7, result[6]->offset());
     EXPECT_DOUBLE_EQ(0.8, result[7]->offset());
     EXPECT_DOUBLE_EQ(0.85, result[8]->offset());
     EXPECT_DOUBLE_EQ(0.9, result[9]->offset());
     EXPECT_DOUBLE_EQ(0.95, result[10]->offset());
     EXPECT_DOUBLE_EQ(1.0, result[11]->offset());
 }
 
 } // namespace WebCore