Web Animations - responsive interpolation

Source/core/animation/interpolation/DeferredLegacyStyleInterpolationTest.cpp

+// 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 "config.h"
+#include "core/animation/interpolation/DeferredLegacyStyleInterpolation.h"
+
+#include "core/css/CSSInheritedValue.h"
+#include "core/css/CSSPrimitiveValue.h"
+#include "core/css/CSSValueList.h"
+#include "core/css/StylePropertySet.h"
+#include "core/css/parser/BisonCSSParser.h"
+
+#include <gtest/gtest.h>
+
+namespace WebCore {
+
+class AnimationDeferredLegacyStyleInterpolationTest : public ::testing::Test {
+protected:
+    static bool test(CSSPropertyID propertyID, const String& string)
+    {
+        CSSParserMode parserMode = HTMLStandardMode;
+        if (propertyID == CSSPropertyFloodColor)
+            parserMode = SVGAttributeMode;
+        RefPtrWillBeRawPtr<MutableStylePropertySet> dummyStyle = MutableStylePropertySet::create();
+        RELEASE_ASSERT(BisonCSSParser::parseValue(dummyStyle.get(), propertyID, string, false, parserMode, 0));

[dstockwell, 2014/05/27 07:39:55]

It's probably clearer to write this as:
result = parseValue(...)
ASSERT(result);

(or gtest's assert_true)

+        return DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(*dummyStyle->getPropertyCSSValue(propertyID));
+    }
+};
+
+TEST_F(AnimationDeferredLegacyStyleInterpolationTest, Inherit)
+{
+    EXPECT_TRUE(test(CSSPropertyCaptionSide, "inherit"));
+}
+
+TEST_F(AnimationDeferredLegacyStyleInterpolationTest, Color)
+{
+    EXPECT_FALSE(test(CSSPropertyColor, "rgb(10, 20, 30)"));
+    EXPECT_FALSE(test(CSSPropertyColor, "aqua"));
+    EXPECT_FALSE(test(CSSPropertyColor, "yellow"));
+    EXPECT_FALSE(test(CSSPropertyColor, "transparent"));
+    EXPECT_FALSE(test(CSSPropertyFloodColor, "aliceblue"));
+    EXPECT_FALSE(test(CSSPropertyFloodColor, "yellowgreen"));
+    EXPECT_FALSE(test(CSSPropertyFloodColor, "grey"));
+    EXPECT_TRUE(test(CSSPropertyColor, "currentcolor"));
+}
+
+TEST_F(AnimationDeferredLegacyStyleInterpolationTest, Relative)
+{
+    EXPECT_TRUE(test(CSSPropertyFontWeight, "bolder"));
+    EXPECT_TRUE(test(CSSPropertyFontWeight, "lighter"));
+    EXPECT_TRUE(test(CSSPropertyFontSize, "smaller"));
+    EXPECT_TRUE(test(CSSPropertyFontSize, "larger"));
+}
+
+TEST_F(AnimationDeferredLegacyStyleInterpolationTest, Length)
+{
+    EXPECT_FALSE(test(CSSPropertyWidth, "10px"));
+    EXPECT_TRUE(test(CSSPropertyWidth, "10em"));
+    EXPECT_TRUE(test(CSSPropertyWidth, "10vh"));
+}
+
+TEST_F(AnimationDeferredLegacyStyleInterpolationTest, Number)
+{
+    EXPECT_FALSE(test(CSSPropertyOpacity, "0.5"));
+}
+
+TEST_F(AnimationDeferredLegacyStyleInterpolationTest, Transform)
+{
+    EXPECT_TRUE(test(CSSPropertyTransform, "translateX(1em)"));
+    EXPECT_FALSE(test(CSSPropertyTransform, "translateY(20px)"));
+    EXPECT_FALSE(test(CSSPropertyTransform, "skewX(10rad) perspective(400px)"));
+    EXPECT_TRUE(test(CSSPropertyTransform, "skewX(20rad) perspective(50em)"));
+}
+
+TEST_F(AnimationDeferredLegacyStyleInterpolationTest, Filter)
+{
+    EXPECT_FALSE(test(CSSPropertyWebkitFilter, "hue-rotate(180deg) blur(6px)"));
+    EXPECT_FALSE(test(CSSPropertyWebkitFilter, "grayscale(0) blur(0px)"));
+    EXPECT_FALSE(test(CSSPropertyWebkitFilter, "none"));
+    EXPECT_FALSE(test(CSSPropertyWebkitFilter, "brightness(0) contrast(0)"));
+    EXPECT_FALSE(test(CSSPropertyWebkitFilter, "drop-shadow(20px 10px green)"));
+    EXPECT_TRUE(test(CSSPropertyWebkitFilter, "drop-shadow(20px 10vw green)"));
+    EXPECT_TRUE(test(CSSPropertyWebkitFilter, "drop-shadow(0px 0px 0px currentcolor)"));
+    EXPECT_FALSE(test(CSSPropertyWebkitFilter, "opacity(1)"));
+    EXPECT_FALSE(test(CSSPropertyWebkitFilter, "saturate(0)"));
+    EXPECT_FALSE(test(CSSPropertyWebkitFilter, "grayscale(1)"));
+    EXPECT_FALSE(test(CSSPropertyWebkitFilter, "invert(1)"));
+    EXPECT_FALSE(test(CSSPropertyWebkitFilter, "sepia(1)"));
+    EXPECT_TRUE(test(CSSPropertyWebkitFilter, "url(#svgfilter)"));
+}
+
+}