WIP: Implement CSS transitions on top of InterpolationTypes instead of AnimatableValues

third_party/WebKit/Source/core/animation/InterpolableValueTest.cpp

Index: third_party/WebKit/Source/core/animation/InterpolableValueTest.cpp
diff --git a/third_party/WebKit/Source/core/animation/InterpolableValueTest.cpp b/third_party/WebKit/Source/core/animation/InterpolableValueTest.cpp
index 3b965884f9458c60ebc71a368f6bb7dc3b7738ec..67a76e6f7d81d38c9936709205f756e325d4c64e 100644
--- a/third_party/WebKit/Source/core/animation/InterpolableValueTest.cpp
+++ b/third_party/WebKit/Source/core/animation/InterpolableValueTest.cpp
@@ -11,60 +11,29 @@
 
 namespace blink {
 
-namespace {
-
-class SampleInterpolation : public Interpolation {
-public:
-    static PassRefPtr<Interpolation> create(std::unique_ptr<InterpolableValue> start, std::unique_ptr<InterpolableValue> end)
-    {
-        return adoptRef(new SampleInterpolation(std::move(start), std::move(end)));
-    }
-
-    PropertyHandle getProperty() const override
-    {
-        return PropertyHandle(CSSPropertyBackgroundColor);
-    }
-private:
-    SampleInterpolation(std::unique_ptr<InterpolableValue> start, std::unique_ptr<InterpolableValue> end)
-        : Interpolation(std::move(start), std::move(end))
-    {
-    }
-};
-
-} // namespace
-
 class AnimationInterpolableValueTest : public ::testing::Test {
 protected:
-    InterpolableValue* interpolationValue(Interpolation& interpolation)
+    std::unique_ptr<InterpolableValue> interpolate(std::unique_ptr<InterpolableValue> a, std::unique_ptr<InterpolableValue> b, double progress)
     {
-        return interpolation.getCachedValueForTesting();
+        std::unique_ptr<InterpolableValue> result = a->clone();
+        a->interpolate(*b, progress, *result);
+        return result;
     }
 
     double interpolateNumbers(double a, double b, double progress)
     {
-        RefPtr<Interpolation> i = SampleInterpolation::create(InterpolableNumber::create(a), InterpolableNumber::create(b));
-        i->interpolate(0, progress);
-        return toInterpolableNumber(interpolationValue(*i.get()))->value();
+        return toInterpolableNumber(*interpolate(InterpolableNumber::create(a), InterpolableNumber::create(b), progress)).value();
     }
 
     bool interpolateBools(bool a, bool b, double progress)
     {
-        RefPtr<Interpolation> i = SampleInterpolation::create(InterpolableBool::create(a), InterpolableBool::create(b));
-        i->interpolate(0, progress);
-        return toInterpolableBool(interpolationValue(*i.get()))->value();
+        return toInterpolableBool(*interpolate(InterpolableBool::create(a), InterpolableBool::create(b), progress)).value();
     }
 
     void scaleAndAdd(InterpolableValue& base, double scale, const InterpolableValue& add)
     {
         base.scaleAndAdd(scale, add);
     }
-
-    PassRefPtr<Interpolation> interpolateLists(std::unique_ptr<InterpolableList> listA, std::unique_ptr<InterpolableList> listB, double progress)
-    {
-        RefPtr<Interpolation> i = SampleInterpolation::create(std::move(listA), std::move(listB));
-        i->interpolate(0, progress);
-        return i;
-    }
 };
 
 TEST_F(AnimationInterpolableValueTest, InterpolateNumbers)
@@ -99,11 +68,11 @@ TEST_F(AnimationInterpolableValueTest, SimpleList)
     listB->set(1, InterpolableNumber::create(-200));
     listB->set(2, InterpolableNumber::create(300));
 
-    RefPtr<Interpolation> i = interpolateLists(std::move(listA), std::move(listB), 0.3);
-    InterpolableList* outList = toInterpolableList(interpolationValue(*i.get()));
-    EXPECT_FLOAT_EQ(30, toInterpolableNumber(outList->get(0))->value());
-    EXPECT_FLOAT_EQ(-30.6f, toInterpolableNumber(outList->get(1))->value());
-    EXPECT_FLOAT_EQ(104.35f, toInterpolableNumber(outList->get(2))->value());
+    std::unique_ptr<InterpolableValue> out = interpolate(std::move(listA), std::move(listB), 0.3);
+    const InterpolableList& outList = toInterpolableList(*out);
+    EXPECT_FLOAT_EQ(30, toInterpolableNumber(outList.get(0))->value());
+    EXPECT_FLOAT_EQ(-30.6f, toInterpolableNumber(outList.get(1))->value());
+    EXPECT_FLOAT_EQ(104.35f, toInterpolableNumber(outList.get(2))->value());
 }
 
 TEST_F(AnimationInterpolableValueTest, NestedList)
@@ -122,11 +91,11 @@ TEST_F(AnimationInterpolableValueTest, NestedList)
     listB->set(1, std::move(subListB));
     listB->set(2, InterpolableBool::create(true));
 
-    RefPtr<Interpolation> i = interpolateLists(std::move(listA), std::move(listB), 0.5);
-    InterpolableList* outList = toInterpolableList(interpolationValue(*i.get()));
-    EXPECT_FLOAT_EQ(50, toInterpolableNumber(outList->get(0))->value());
-    EXPECT_FLOAT_EQ(75, toInterpolableNumber(toInterpolableList(outList->get(1))->get(0))->value());
-    EXPECT_TRUE(toInterpolableBool(outList->get(2))->value());
+    std::unique_ptr<InterpolableValue> out = interpolate(std::move(listA), std::move(listB), 0.5);
+    const InterpolableList& outList = toInterpolableList(*out);
+    EXPECT_FLOAT_EQ(50, toInterpolableNumber(outList.get(0))->value());
+    EXPECT_FLOAT_EQ(75, toInterpolableNumber(toInterpolableList(outList.get(1))->get(0))->value());
+    EXPECT_TRUE(toInterpolableBool(outList.get(2))->value());
 }
 
 TEST_F(AnimationInterpolableValueTest, ScaleAndAddNumbers)