Web Animations API: Implement step-middle and steps(x, middle) timing functions.

Source/core/css/parser/BisonCSSParserTest.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/css/parser/BisonCSSParser.h"
+
+#include "core/css/CSSTimingFunctionValue.h"
+#include "platform/animation/TimingFunction.h"
+
+#include <gtest/gtest.h>
+
+namespace WebCore {
+
+TEST(BisonCSSParserTest, ParseAnimationTimingFunctionValue)
+{
+    RefPtr<CSSValue> timingFunctionValue;
+    timingFunctionValue = BisonCSSParser::parseAnimationTimingFunctionValue("ease");
+    EXPECT_EQ(CSSValueEase, toCSSPrimitiveValue(timingFunctionValue.get())->getValueID());
+
+    timingFunctionValue = BisonCSSParser::parseAnimationTimingFunctionValue("linear");
+    EXPECT_EQ(CSSValueLinear, toCSSPrimitiveValue(timingFunctionValue.get())->getValueID());
+
+    timingFunctionValue = BisonCSSParser::parseAnimationTimingFunctionValue("ease-in");
+    EXPECT_EQ(CSSValueEaseIn, toCSSPrimitiveValue(timingFunctionValue.get())->getValueID());
+
+    timingFunctionValue = BisonCSSParser::parseAnimationTimingFunctionValue("ease-out");
+    EXPECT_EQ(CSSValueEaseOut, toCSSPrimitiveValue(timingFunctionValue.get())->getValueID());
+
+    timingFunctionValue = BisonCSSParser::parseAnimationTimingFunctionValue("ease-in-out");
+    EXPECT_EQ(CSSValueEaseInOut, toCSSPrimitiveValue(timingFunctionValue.get())->getValueID());
+
+    timingFunctionValue = BisonCSSParser::parseAnimationTimingFunctionValue("step-start");
+    EXPECT_EQ(CSSValueStepStart, toCSSPrimitiveValue(timingFunctionValue.get())->getValueID());
+
+    timingFunctionValue = BisonCSSParser::parseAnimationTimingFunctionValue("step-middle");
+    EXPECT_EQ(CSSValueStepMiddle, toCSSPrimitiveValue(timingFunctionValue.get())->getValueID());
+
+    timingFunctionValue = BisonCSSParser::parseAnimationTimingFunctionValue("step-end");
+    EXPECT_EQ(CSSValueStepEnd, toCSSPrimitiveValue(timingFunctionValue.get())->getValueID());
+
+    timingFunctionValue = BisonCSSParser::parseAnimationTimingFunctionValue("steps(3, start)");
+    EXPECT_TRUE(CSSStepsTimingFunctionValue::create(3, StepsTimingFunction::StepAtStart)->equals(toCSSStepsTimingFunctionValue(*timingFunctionValue.get())));
+
+    timingFunctionValue = BisonCSSParser::parseAnimationTimingFunctionValue("steps(3, middle)");
+    EXPECT_TRUE(CSSStepsTimingFunctionValue::create(3, StepsTimingFunction::StepAtMiddle)->equals(toCSSStepsTimingFunctionValue(*timingFunctionValue.get())));
+
+    timingFunctionValue = BisonCSSParser::parseAnimationTimingFunctionValue("steps(3, end)");
+    EXPECT_TRUE(CSSStepsTimingFunctionValue::create(3, StepsTimingFunction::StepAtEnd)->equals(toCSSStepsTimingFunctionValue(*timingFunctionValue.get())));
+
+    timingFunctionValue = BisonCSSParser::parseAnimationTimingFunctionValue("steps(3, nowhere)");
+    EXPECT_EQ(0, timingFunctionValue.get());
+
+    timingFunctionValue = BisonCSSParser::parseAnimationTimingFunctionValue("steps(-3, end)");
+    EXPECT_EQ(0, timingFunctionValue.get());
+
+    timingFunctionValue = BisonCSSParser::parseAnimationTimingFunctionValue("steps(3)");
+    EXPECT_TRUE(CSSStepsTimingFunctionValue::create(3, StepsTimingFunction::StepAtEnd)->equals(toCSSStepsTimingFunctionValue(*timingFunctionValue.get())));
+
+    timingFunctionValue = BisonCSSParser::parseAnimationTimingFunctionValue("cubic-bezier(0.1, 5, 0.23, 0)");
+    EXPECT_TRUE(CSSCubicBezierTimingFunctionValue::create(0.1, 5, 0.23, 0)->equals(toCSSCubicBezierTimingFunctionValue(*timingFunctionValue.get())));
+
+    timingFunctionValue = BisonCSSParser::parseAnimationTimingFunctionValue("cubic-bezier(0.1, 0, 4, 0.4)");
+    EXPECT_EQ(0, timingFunctionValue.get());
+}
+
+} // namespace WebCore