Web Animations API: Deferred computation of interpolated values

Source/core/css/CSSCalculationValueTest.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 44 matching lines @@
 namespace {
 
 void testAccumulatePixelsAndPercent(const CSSToLengthConversionData& conversionData, PassRefPtrWillBeRawPtr<CSSCalcExpressionNode> expression, float expectedPixels, float expectedPercent)
 {
     PixelsAndPercent value(0, 0);
     expression->accumulatePixelsAndPercent(conversionData, value);
     EXPECT_EQ(expectedPixels, value.pixels);
     EXPECT_EQ(expectedPercent, value.percent);
 }
 
-void initLengthArray(CSSLengthArray& lengthArray)
-{
-    lengthArray.resize(CSSPrimitiveValue::LengthUnitTypeCount);
-    for (size_t i = 0; i < CSSPrimitiveValue::LengthUnitTypeCount; ++i)
-        lengthArray.at(i) = 0;
-}
-
 CSSLengthArray& setLengthArray(CSSLengthArray& lengthArray, String text)
 {
-    initLengthArray(lengthArray);
+    CSSPrimitiveValue::zeroLengthArray(lengthArray);
     RefPtr<MutableStylePropertySet> propertySet = MutableStylePropertySet::create();
     propertySet->setProperty(CSSPropertyLeft, text);
     toCSSPrimitiveValue(propertySet->getPropertyCSSValue(CSSPropertyLeft).get())->accumulateLengthArray(lengthArray);
     return lengthArray;
 }
 
 bool lengthArraysEqual(CSSLengthArray& a, CSSLengthArray& b)
 {
     for (size_t i = 0; i < CSSPrimitiveValue::LengthUnitTypeCount; ++i) {
         if (a.at(i) != b.at(i))
@@ skipping 79 matching lines @@
         lengthD = lengthA;
     EXPECT_EQ(calc->refCount(), 5);
 
     lengthD = Length();
     EXPECT_EQ(calc->refCount(), 4);
 }
 
 TEST(CSSCalculationValue, AddToLengthUnitValues)
 {
     CSSLengthArray expectation, actual;
-    initLengthArray(expectation);
+    CSSPrimitiveValue::zeroLengthArray(expectation);
     EXPECT_TRUE(lengthArraysEqual(expectation, setLengthArray(actual, "0")));
 
     expectation.at(CSSPrimitiveValue::UnitTypePixels) = 10;
     EXPECT_TRUE(lengthArraysEqual(expectation, setLengthArray(actual, "10px")));
 
     expectation.at(CSSPrimitiveValue::UnitTypePixels) = 0;
     expectation.at(CSSPrimitiveValue::UnitTypePercentage) = 20;
     EXPECT_TRUE(lengthArraysEqual(expectation, setLengthArray(actual, "20%%")));
 
     expectation.at(CSSPrimitiveValue::UnitTypePixels) = 30;
     expectation.at(CSSPrimitiveValue::UnitTypePercentage) = -40;
     EXPECT_TRUE(lengthArraysEqual(expectation, setLengthArray(actual, "calc(30px - 40%%)")));
 
     expectation.at(CSSPrimitiveValue::UnitTypePixels) = 90;
     expectation.at(CSSPrimitiveValue::UnitTypePercentage) = 10;
     EXPECT_TRUE(lengthArraysEqual(expectation, setLengthArray(actual, "calc(1in + 10%% - 6px)")));
 
     expectation.at(CSSPrimitiveValue::UnitTypePixels) = 15;
     expectation.at(CSSPrimitiveValue::UnitTypeFontSize) = 20;
     expectation.at(CSSPrimitiveValue::UnitTypePercentage) = -40;
     EXPECT_TRUE(lengthArraysEqual(expectation, setLengthArray(actual, "calc((1 * 2) * (5px + 20em / 2) - 80%% / (3 - 1) + 5px)")));
 }
 
 }