Animation: Add template for ListStyleInterpolation

Source/core/animation/ListStyleInterpolationTest.cpp

+// Copyright 2015 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 "config.h"
+#include "core/animation/ListStyleInterpolation.h"
+
+#include "core/animation/LengthStyleInterpolation.h"
+#include "core/animation/ShadowStyleInterpolation.h"
+
+#include <gtest/gtest.h>
+
+namespace blink {
+
+class ListStyleInterpolationTest : public ::testing::Test {
+
+protected:
+    static PassRefPtrWillBeRawPtr<CSSValue> lengthRoundTrip(PassRefPtrWillBeRawPtr<CSSValue> value, InterpolationRange range)
+    {
+        return ListStyleInterpolationImpl<LengthStyleInterpolation, void>::interpolableValueToList(
+            ListStyleInterpolationImpl<LengthStyleInterpolation, void>::listToInterpolableValue(*value).get(), range);
+    }
+
+    static void compareLengthLists(PassRefPtrWillBeRawPtr<CSSValueList> expectedList, PassRefPtrWillBeRawPtr<CSSValue> actualList)
+    {
+        ASSERT(actualList->isValueList());
+
+        for (size_t i = 0; i < 10; i++) {
+            CSSValue* currentExpectedValue = expectedList->item(i);
+            CSSValue* currentActualValue = toCSSValueList(*actualList).item(i);
+            ASSERT(currentExpectedValue->isPrimitiveValue());
+            ASSERT(currentActualValue->isPrimitiveValue());
+
+            EXPECT_EQ(toCSSPrimitiveValue(currentExpectedValue)->getDoubleValue(), toCSSPrimitiveValue(currentActualValue)->getDoubleValue());
+            EXPECT_EQ(toCSSPrimitiveValue(currentExpectedValue)->getDoubleValue(), toCSSPrimitiveValue(currentActualValue)->getDoubleValue());
+        }
+    }
+
+    static PassRefPtrWillBeRawPtr<CSSValue> shadowRoundTrip(PassRefPtrWillBeRawPtr<CSSValue> value)
+    {
+        Vector<bool> nonInterpolableData;
+        return ListStyleInterpolationImpl<ShadowStyleInterpolation, bool>::interpolableValueToList(
+            ListStyleInterpolationImpl<ShadowStyleInterpolation, bool>::listToInterpolableValue(*value, &nonInterpolableData).get(), nonInterpolableData);
+    }
+
+    static RefPtrWillBeRawPtr<CSSShadowValue> createShadowValue()
+    {
+        RefPtrWillBeRawPtr<CSSPrimitiveValue> color = CSSPrimitiveValue::createColor(makeRGBA(112, 123, 175, 255));
+        RefPtrWillBeRawPtr<CSSPrimitiveValue> x = CSSPrimitiveValue::create(10, CSSPrimitiveValue::CSS_PX);
+        RefPtrWillBeRawPtr<CSSPrimitiveValue> y = CSSPrimitiveValue::create(20, CSSPrimitiveValue::CSS_PX);
+        RefPtrWillBeRawPtr<CSSPrimitiveValue> blur = CSSPrimitiveValue::create(30, CSSPrimitiveValue::CSS_PX);
+        RefPtrWillBeRawPtr<CSSPrimitiveValue> spread = CSSPrimitiveValue::create(40, CSSPrimitiveValue::CSS_PX);
+
+        return CSSShadowValue::create(x, y, blur, spread, CSSPrimitiveValue::createIdentifier(CSSValueNone), color);
+
+    }
+
+    static void compareShadowList(RefPtrWillBeRawPtr<CSSValueList> expectedList, RefPtrWillBeRawPtr<CSSValue> actualList)
+    {
+        ASSERT(actualList->isValueList());
+
+        for (size_t i = 0; i < 10; i++) {
+
+            CSSShadowValue* expectedShadow = toCSSShadowValue(expectedList->item(i));
+            CSSShadowValue* actualShadow = toCSSShadowValue(toCSSValueList(*actualList).item(i));
+
+            EXPECT_EQ(expectedShadow->x->getDoubleValue(), actualShadow->x->getDoubleValue());
+            EXPECT_EQ(expectedShadow->y->getDoubleValue(), actualShadow->y->getDoubleValue());
+            EXPECT_EQ(expectedShadow->blur->getDoubleValue(), actualShadow->blur->getDoubleValue());
+            EXPECT_EQ(expectedShadow->spread->getDoubleValue(), actualShadow->spread->getDoubleValue());
+            EXPECT_EQ(expectedShadow->color->getRGBA32Value(), actualShadow->color->getRGBA32Value());
+
+            EXPECT_EQ(expectedShadow->style->getValueID(), actualShadow->style->getValueID());
+        }
+    }
+};
+
+TEST_F(ListStyleInterpolationTest, LengthListMultipleValuesTest)
+{
+    RefPtrWillBeRawPtr<CSSValueList> expectedList = CSSValueList::createCommaSeparated();
+    for (size_t i = 0; i < 10; i++) {
+        RefPtrWillBeRawPtr<CSSPrimitiveValue> lengthValue = CSSPrimitiveValue::create(static_cast<double>(i), CSSPrimitiveValue::CSS_PX);
+        expectedList->append(lengthValue);
+    }
+
+    compareLengthLists(expectedList, lengthRoundTrip(expectedList, RangeNonNegative));
+}
+
+TEST_F(ListStyleInterpolationTest, ShadowListMultipleValuesTest)
+{
+    RefPtrWillBeRawPtr<CSSValueList> expectedList = CSSValueList::createCommaSeparated();
+    RefPtrWillBeRawPtr<CSSShadowValue> shadowValue = createShadowValue();
+    for (size_t i = 0; i < 10; i++) {
+        expectedList->append(shadowValue);
+    }
+
+    compareShadowList(expectedList, shadowRoundTrip(expectedList));
+}
+
+} // namespace blink