root/Source/core/animation/AnimatableLengthTest.cpp

DEFINITIONS

1. conversionDataZoom3
2. create
3. create
4. createCalc
5. toCSSValue
6. commonUnitType
7. isUnitlessZero
8. TEST_F
9. TEST_F
10. TEST_F
11. TEST_F
12. TEST_F
13. TEST_F
14. TEST_F
15. TEST_F

/*
 * 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:
 *
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 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 */

#include "config.h"

#include "core/animation/AnimatableLength.h"

#include "core/animation/AnimatableValueTestHelper.h"
#include "core/css/CSSCalculationValue.h"
#include "core/css/CSSPrimitiveValue.h"
#include "core/css/CSSToLengthConversionData.h"
#include "core/rendering/style/RenderStyle.h"
#include "core/rendering/style/StyleInheritedData.h"
#include "platform/CalculationValue.h"
#include "wtf/MathExtras.h"

#include <gtest/gtest.h>

#define EXPECT_ROUNDTRIP(a, f) EXPECT_REFV_EQ(a, f(a.get()))

namespace WebCore {

class AnimationAnimatableLengthTest : public ::testing::Test {
protected:
    AnimationAnimatableLengthTest()
        : style(RenderStyle::createDefaultStyle())
        , conversionDataZoom1(style.get(), style.get(), 0, 0, 1.0f)
        , conversionDataZoom3(style.get(), style.get(), 0, 0, 3.0f)
    {
    }

    PassRefPtrWillBeRawPtr<AnimatableLength> create(double value, CSSPrimitiveValue::UnitTypes type)
    {
        return AnimatableLength::create(CSSPrimitiveValue::create(value, type).get());
    }

    PassRefPtrWillBeRawPtr<AnimatableLength> create(double valueLeft, CSSPrimitiveValue::UnitTypes typeLeft, double valueRight, CSSPrimitiveValue::UnitTypes typeRight)
    {
        return AnimatableLength::create(createCalc(valueLeft, typeLeft, valueRight, typeRight).get());
    }

    PassRefPtrWillBeRawPtr<CSSCalcValue> createCalc(double valueLeft, CSSPrimitiveValue::UnitTypes typeLeft, double valueRight, CSSPrimitiveValue::UnitTypes typeRight)
    {
        return CSSCalcValue::create(CSSCalcValue::createExpressionNode(
            CSSCalcValue::createExpressionNode(CSSPrimitiveValue::create(valueLeft, typeLeft), valueLeft == trunc(valueLeft)),
            CSSCalcValue::createExpressionNode(CSSPrimitiveValue::create(valueRight, typeRight), valueRight == trunc(valueRight)),
            CalcAdd
        ));
    }

    PassRefPtrWillBeRawPtr<CSSValue> toCSSValue(CSSValue* cssValue)
    {
        return AnimatableLength::create(cssValue)->toCSSValue();
    }

    AnimatableLength::NumberUnitType commonUnitType(PassRefPtrWillBeRawPtr<AnimatableLength> a, PassRefPtrWillBeRawPtr<AnimatableLength> b)
    {
        return a->commonUnitType(b.get());
    }

    bool isUnitlessZero(PassRefPtrWillBeRawPtr<AnimatableLength> a)
    {
        return a->isUnitlessZero();
    }

    RefPtr<RenderStyle> style;
    CSSToLengthConversionData conversionDataZoom1;
    CSSToLengthConversionData conversionDataZoom3;
};

TEST_F(AnimationAnimatableLengthTest, CanCreateFrom)
{
    EXPECT_TRUE(AnimatableLength::canCreateFrom(CSSPrimitiveValue::create(5, CSSPrimitiveValue::CSS_PX).get()));
    EXPECT_TRUE(AnimatableLength::canCreateFrom(CSSPrimitiveValue::create(5, CSSPrimitiveValue::CSS_CM).get()));
    EXPECT_TRUE(AnimatableLength::canCreateFrom(CSSPrimitiveValue::create(5, CSSPrimitiveValue::CSS_MM).get()));
    EXPECT_TRUE(AnimatableLength::canCreateFrom(CSSPrimitiveValue::create(5, CSSPrimitiveValue::CSS_IN).get()));
    EXPECT_TRUE(AnimatableLength::canCreateFrom(CSSPrimitiveValue::create(5, CSSPrimitiveValue::CSS_PT).get()));
    EXPECT_TRUE(AnimatableLength::canCreateFrom(CSSPrimitiveValue::create(5, CSSPrimitiveValue::CSS_PC).get()));
    EXPECT_TRUE(AnimatableLength::canCreateFrom(CSSPrimitiveValue::create(5, CSSPrimitiveValue::CSS_EMS).get()));
    EXPECT_TRUE(AnimatableLength::canCreateFrom(CSSPrimitiveValue::create(5, CSSPrimitiveValue::CSS_EXS).get()));
    EXPECT_TRUE(AnimatableLength::canCreateFrom(CSSPrimitiveValue::create(5, CSSPrimitiveValue::CSS_REMS).get()));
    EXPECT_TRUE(AnimatableLength::canCreateFrom(CSSPrimitiveValue::create(5, CSSPrimitiveValue::CSS_PERCENTAGE).get()));
    EXPECT_TRUE(AnimatableLength::canCreateFrom(CSSPrimitiveValue::create(5, CSSPrimitiveValue::CSS_VW).get()));
    EXPECT_TRUE(AnimatableLength::canCreateFrom(CSSPrimitiveValue::create(5, CSSPrimitiveValue::CSS_VH).get()));
    EXPECT_TRUE(AnimatableLength::canCreateFrom(CSSPrimitiveValue::create(5, CSSPrimitiveValue::CSS_VMIN).get()));
    EXPECT_TRUE(AnimatableLength::canCreateFrom(CSSPrimitiveValue::create(5, CSSPrimitiveValue::CSS_VMAX).get()));

    EXPECT_TRUE(AnimatableLength::canCreateFrom(createCalc(3, CSSPrimitiveValue::CSS_PX, 5, CSSPrimitiveValue::CSS_CM).get()));
    EXPECT_TRUE(AnimatableLength::canCreateFrom(CSSPrimitiveValue::create(createCalc(3, CSSPrimitiveValue::CSS_PX, 5, CSSPrimitiveValue::CSS_CM)).get()));

    EXPECT_FALSE(AnimatableLength::canCreateFrom(CSSPrimitiveValue::create("NaN", CSSPrimitiveValue::CSS_STRING).get()));
}

TEST_F(AnimationAnimatableLengthTest, Create)
{
    EXPECT_TRUE(static_cast<bool>(create(5, CSSPrimitiveValue::CSS_PX).get()));
    EXPECT_TRUE(static_cast<bool>(create(5, CSSPrimitiveValue::CSS_CM).get()));
    EXPECT_TRUE(static_cast<bool>(create(5, CSSPrimitiveValue::CSS_MM).get()));
    EXPECT_TRUE(static_cast<bool>(create(5, CSSPrimitiveValue::CSS_IN).get()));
    EXPECT_TRUE(static_cast<bool>(create(5, CSSPrimitiveValue::CSS_PT).get()));
    EXPECT_TRUE(static_cast<bool>(create(5, CSSPrimitiveValue::CSS_PC).get()));
    EXPECT_TRUE(static_cast<bool>(create(5, CSSPrimitiveValue::CSS_EMS).get()));
    EXPECT_TRUE(static_cast<bool>(create(5, CSSPrimitiveValue::CSS_EXS).get()));
    EXPECT_TRUE(static_cast<bool>(create(5, CSSPrimitiveValue::CSS_REMS).get()));
    EXPECT_TRUE(static_cast<bool>(create(5, CSSPrimitiveValue::CSS_PERCENTAGE).get()));
    EXPECT_TRUE(static_cast<bool>(create(5, CSSPrimitiveValue::CSS_VW).get()));
    EXPECT_TRUE(static_cast<bool>(create(5, CSSPrimitiveValue::CSS_VH).get()));
    EXPECT_TRUE(static_cast<bool>(create(5, CSSPrimitiveValue::CSS_VMIN).get()));
    EXPECT_TRUE(static_cast<bool>(create(5, CSSPrimitiveValue::CSS_VMAX).get()));

    EXPECT_TRUE(static_cast<bool>(
        AnimatableLength::create(createCalc(3, CSSPrimitiveValue::CSS_PX, 5, CSSPrimitiveValue::CSS_CM).get()).get()
    ));
    EXPECT_TRUE(static_cast<bool>(
        AnimatableLength::create(CSSPrimitiveValue::create(createCalc(3, CSSPrimitiveValue::CSS_PX, 5, CSSPrimitiveValue::CSS_CM)).get()).get()
    ));
}


TEST_F(AnimationAnimatableLengthTest, ToCSSValue)
{

    EXPECT_ROUNDTRIP(CSSPrimitiveValue::create(-5, CSSPrimitiveValue::CSS_PX), toCSSValue);
    EXPECT_ROUNDTRIP(CSSPrimitiveValue::create(-5, CSSPrimitiveValue::CSS_CM), toCSSValue);
    EXPECT_ROUNDTRIP(CSSPrimitiveValue::create(-5, CSSPrimitiveValue::CSS_MM), toCSSValue);
    EXPECT_ROUNDTRIP(CSSPrimitiveValue::create(-5, CSSPrimitiveValue::CSS_IN), toCSSValue);
    EXPECT_ROUNDTRIP(CSSPrimitiveValue::create(-5, CSSPrimitiveValue::CSS_PT), toCSSValue);
    EXPECT_ROUNDTRIP(CSSPrimitiveValue::create(-5, CSSPrimitiveValue::CSS_PC), toCSSValue);
    EXPECT_ROUNDTRIP(CSSPrimitiveValue::create(-5, CSSPrimitiveValue::CSS_EMS), toCSSValue);
    EXPECT_ROUNDTRIP(CSSPrimitiveValue::create(-5, CSSPrimitiveValue::CSS_EXS), toCSSValue);
    EXPECT_ROUNDTRIP(CSSPrimitiveValue::create(-5, CSSPrimitiveValue::CSS_REMS), toCSSValue);
    EXPECT_ROUNDTRIP(CSSPrimitiveValue::create(-5, CSSPrimitiveValue::CSS_PERCENTAGE), toCSSValue);
    EXPECT_ROUNDTRIP(CSSPrimitiveValue::create(-5, CSSPrimitiveValue::CSS_VW), toCSSValue);
    EXPECT_ROUNDTRIP(CSSPrimitiveValue::create(-5, CSSPrimitiveValue::CSS_VH), toCSSValue);
    EXPECT_ROUNDTRIP(CSSPrimitiveValue::create(-5, CSSPrimitiveValue::CSS_VMIN), toCSSValue);
    EXPECT_ROUNDTRIP(CSSPrimitiveValue::create(-5, CSSPrimitiveValue::CSS_VMAX), toCSSValue);

    EXPECT_ROUNDTRIP(CSSPrimitiveValue::create(createCalc(3, CSSPrimitiveValue::CSS_PX, 5, CSSPrimitiveValue::CSS_IN)), toCSSValue);
    EXPECT_ROUNDTRIP(CSSPrimitiveValue::create(createCalc(3, CSSPrimitiveValue::CSS_PX, 5, CSSPrimitiveValue::CSS_IN)), toCSSValue);
}


TEST_F(AnimationAnimatableLengthTest, ToLength)
{
    EXPECT_EQ(Length(-5, WebCore::Fixed), create(-5, CSSPrimitiveValue::CSS_PX)->toLength(conversionDataZoom1));
    EXPECT_EQ(Length(-15, WebCore::Fixed), create(-5, CSSPrimitiveValue::CSS_PX)->toLength(conversionDataZoom3));
    EXPECT_EQ(Length(0, WebCore::Fixed), create(-5, CSSPrimitiveValue::CSS_PX)->toLength(conversionDataZoom1, NonNegativeValues));
    EXPECT_EQ(Length(0, WebCore::Fixed), create(-5, CSSPrimitiveValue::CSS_PX)->toLength(conversionDataZoom3, NonNegativeValues));

    EXPECT_EQ(Length(-5, Percent), create(-5, CSSPrimitiveValue::CSS_PERCENTAGE)->toLength(conversionDataZoom1));
    EXPECT_EQ(Length(-5, Percent), create(-5, CSSPrimitiveValue::CSS_PERCENTAGE)->toLength(conversionDataZoom3));
    EXPECT_EQ(Length(0, Percent), create(-5, CSSPrimitiveValue::CSS_PERCENTAGE)->toLength(conversionDataZoom1, NonNegativeValues));
    EXPECT_EQ(Length(0, Percent), create(-5, CSSPrimitiveValue::CSS_PERCENTAGE)->toLength(conversionDataZoom3, NonNegativeValues));

    EXPECT_EQ(
        Length(CalculationValue::create(
            adoptPtr(new CalcExpressionBinaryOperation(
                adoptPtr(new CalcExpressionLength(Length(-5, WebCore::Fixed))),
                adoptPtr(new CalcExpressionLength(Length(-5, Percent))),
                CalcAdd)),
            ValueRangeAll)),
        create(-5, CSSPrimitiveValue::CSS_PX, -5, CSSPrimitiveValue::CSS_PERCENTAGE)->toLength(conversionDataZoom1));
    EXPECT_EQ(
        Length(CalculationValue::create(
            adoptPtr(new CalcExpressionBinaryOperation(
                adoptPtr(new CalcExpressionLength(Length(-15, WebCore::Fixed))),
                adoptPtr(new CalcExpressionLength(Length(-5, Percent))),
                CalcAdd)),
            ValueRangeAll)),
        create(-5, CSSPrimitiveValue::CSS_PX, -5, CSSPrimitiveValue::CSS_PERCENTAGE)->toLength(conversionDataZoom3));
    EXPECT_EQ(
        Length(CalculationValue::create(
            adoptPtr(new CalcExpressionBinaryOperation(
                adoptPtr(new CalcExpressionLength(Length(-5, WebCore::Fixed))),
                adoptPtr(new CalcExpressionLength(Length(-5, Percent))),
                CalcAdd)),
            ValueRangeNonNegative)),
        create(-5, CSSPrimitiveValue::CSS_PX, -5, CSSPrimitiveValue::CSS_PERCENTAGE)->toLength(conversionDataZoom1, NonNegativeValues));
    EXPECT_EQ(
        Length(CalculationValue::create(
            adoptPtr(new CalcExpressionBinaryOperation(
                adoptPtr(new CalcExpressionLength(Length(-15, WebCore::Fixed))),
                adoptPtr(new CalcExpressionLength(Length(-5, Percent))),
                CalcAdd)),
            ValueRangeNonNegative)),
        create(-5, CSSPrimitiveValue::CSS_PX, -5, CSSPrimitiveValue::CSS_PERCENTAGE)->toLength(conversionDataZoom3, NonNegativeValues));
}

TEST_F(AnimationAnimatableLengthTest, Interpolate)
{
    RefPtrWillBeRawPtr<AnimatableLength> from10px = create(10, CSSPrimitiveValue::CSS_PX);
    RefPtrWillBeRawPtr<AnimatableLength> to20pxAsInches = create(20.0 / 96, CSSPrimitiveValue::CSS_IN);

    EXPECT_REFV_EQ(create(5,  CSSPrimitiveValue::CSS_PX),
        AnimatableValue::interpolate(from10px.get(), to20pxAsInches.get(), -0.5));

    EXPECT_REFV_EQ(create(10, CSSPrimitiveValue::CSS_PX),
        AnimatableValue::interpolate(from10px.get(), to20pxAsInches.get(),  0));
    EXPECT_REFV_EQ(create(14, CSSPrimitiveValue::CSS_PX),
        AnimatableValue::interpolate(from10px.get(), to20pxAsInches.get(),  0.4));
    EXPECT_REFV_EQ(create(15, CSSPrimitiveValue::CSS_PX),
        AnimatableValue::interpolate(from10px.get(), to20pxAsInches.get(),  0.5));
    EXPECT_REFV_EQ(create(16, CSSPrimitiveValue::CSS_PX),
        AnimatableValue::interpolate(from10px.get(), to20pxAsInches.get(),  0.6));
    EXPECT_REFV_EQ(create(20.0 / 96, CSSPrimitiveValue::CSS_IN),
        AnimatableValue::interpolate(from10px.get(), to20pxAsInches.get(),  1));
    EXPECT_REFV_EQ(create(25, CSSPrimitiveValue::CSS_PX),
        AnimatableValue::interpolate(from10px.get(), to20pxAsInches.get(),  1.5));

    RefPtrWillBeRawPtr<AnimatableLength> from10em = create(10, CSSPrimitiveValue::CSS_EMS);
    RefPtrWillBeRawPtr<AnimatableLength> to20rem = create(20, CSSPrimitiveValue::CSS_REMS);
    EXPECT_REFV_EQ(create(15, CSSPrimitiveValue::CSS_EMS, -10, CSSPrimitiveValue::CSS_REMS),
        AnimatableValue::interpolate(from10em.get(), to20rem.get(), -0.5));
    EXPECT_REFV_EQ(create(10, CSSPrimitiveValue::CSS_EMS),
        AnimatableValue::interpolate(from10em.get(), to20rem.get(),  0));
    EXPECT_REFV_EQ(create(6, CSSPrimitiveValue::CSS_EMS, 8, CSSPrimitiveValue::CSS_REMS),
        AnimatableValue::interpolate(from10em.get(), to20rem.get(),  0.4));
    EXPECT_REFV_EQ(create(5, CSSPrimitiveValue::CSS_EMS, 10, CSSPrimitiveValue::CSS_REMS),
        AnimatableValue::interpolate(from10em.get(), to20rem.get(),  0.5));
    EXPECT_REFV_EQ(create(4, CSSPrimitiveValue::CSS_EMS, 12, CSSPrimitiveValue::CSS_REMS),
        AnimatableValue::interpolate(from10em.get(), to20rem.get(),  0.6));
    EXPECT_REFV_EQ(create(20, CSSPrimitiveValue::CSS_REMS),
        AnimatableValue::interpolate(from10em.get(), to20rem.get(),  1));
    EXPECT_REFV_EQ(create(-5, CSSPrimitiveValue::CSS_EMS, 30, CSSPrimitiveValue::CSS_REMS),
        AnimatableValue::interpolate(from10em.get(), to20rem.get(),  1.5));

    // Zero values are typeless and hence we can don't get a calc
    RefPtrWillBeRawPtr<AnimatableLength> from0px = create(0, CSSPrimitiveValue::CSS_PX);
    EXPECT_REFV_EQ(create(-10, CSSPrimitiveValue::CSS_REMS),
        AnimatableValue::interpolate(from0px.get(), to20rem.get(), -0.5));
    // At t=0, interpolate always returns the "from" value.
    EXPECT_REFV_EQ(create(0, CSSPrimitiveValue::CSS_PX),
        AnimatableValue::interpolate(from0px.get(), to20rem.get(), 0));
    EXPECT_REFV_EQ(create(10, CSSPrimitiveValue::CSS_REMS),
        AnimatableValue::interpolate(from0px.get(), to20rem.get(), 0.5));
    EXPECT_REFV_EQ(create(20, CSSPrimitiveValue::CSS_REMS),
        AnimatableValue::interpolate(from0px.get(), to20rem.get(), 1.0));
    EXPECT_REFV_EQ(create(30, CSSPrimitiveValue::CSS_REMS),
        AnimatableValue::interpolate(from0px.get(), to20rem.get(), 1.5));

    // Except 0% which is special
    RefPtrWillBeRawPtr<AnimatableLength> from0percent = create(0, CSSPrimitiveValue::CSS_PERCENTAGE);
    EXPECT_REFV_EQ(create(0, CSSPrimitiveValue::CSS_PERCENTAGE, -10, CSSPrimitiveValue::CSS_REMS),
        AnimatableValue::interpolate(from0percent.get(), to20rem.get(), -0.5));
    // At t=0, interpolate always returns the "from" value.
    EXPECT_REFV_EQ(create(0, CSSPrimitiveValue::CSS_PERCENTAGE),
        AnimatableValue::interpolate(from0percent.get(), to20rem.get(), 0));
    EXPECT_REFV_EQ(create(0, CSSPrimitiveValue::CSS_PERCENTAGE, 10, CSSPrimitiveValue::CSS_REMS),
        AnimatableValue::interpolate(from0percent.get(), to20rem.get(), 0.5));
    // At t=1, interpolate always returns the "to" value.
    EXPECT_REFV_EQ(create(20, CSSPrimitiveValue::CSS_REMS),
        AnimatableValue::interpolate(from0percent.get(), to20rem.get(), 1.0));
    EXPECT_REFV_EQ(create(0, CSSPrimitiveValue::CSS_PERCENTAGE, 30, CSSPrimitiveValue::CSS_REMS),
        AnimatableValue::interpolate(from0percent.get(), to20rem.get(), 1.5));
}

TEST_F(AnimationAnimatableLengthTest, Add)
{
    EXPECT_REFV_EQ(create(10, CSSPrimitiveValue::CSS_PX),
        AnimatableValue::add(create(10, CSSPrimitiveValue::CSS_PX).get(), create(0, CSSPrimitiveValue::CSS_MM).get()));
    EXPECT_REFV_EQ(create(100, CSSPrimitiveValue::CSS_PX),
        AnimatableValue::add(create(4, CSSPrimitiveValue::CSS_PX).get(), create(1, CSSPrimitiveValue::CSS_IN).get()));
    EXPECT_REFV_EQ(
        create(10, CSSPrimitiveValue::CSS_EMS, 20, CSSPrimitiveValue::CSS_REMS),
        AnimatableValue::add(create(10, CSSPrimitiveValue::CSS_EMS).get(), create(20, CSSPrimitiveValue::CSS_REMS).get()));
    EXPECT_REFV_EQ(
        create(10, CSSPrimitiveValue::CSS_EMS),
        AnimatableValue::add(create(10, CSSPrimitiveValue::CSS_EMS).get(), create(0, CSSPrimitiveValue::CSS_REMS).get()));
    EXPECT_REFV_EQ(
        create(20, CSSPrimitiveValue::CSS_REMS),
        AnimatableValue::add(create(0, CSSPrimitiveValue::CSS_EMS).get(), create(20, CSSPrimitiveValue::CSS_REMS).get()));

    // Check you actually get the reference back for zero optimization
    RefPtrWillBeRawPtr<AnimatableLength> rems20 = create(20, CSSPrimitiveValue::CSS_REMS);
    EXPECT_EQ(rems20.get(), AnimatableValue::add(create(0, CSSPrimitiveValue::CSS_EMS).get(), rems20.get()).get());
    EXPECT_EQ(rems20.get(), AnimatableValue::add(rems20.get(), create(0, CSSPrimitiveValue::CSS_EMS).get()).get());

    // Except 0% which is special
    RefPtrWillBeRawPtr<AnimatableLength> zeropercent = create(0, CSSPrimitiveValue::CSS_PERCENTAGE);
    EXPECT_REFV_EQ(create(0, CSSPrimitiveValue::CSS_PERCENTAGE, -10, CSSPrimitiveValue::CSS_REMS),
        AnimatableValue::add(zeropercent.get(), create(-10, CSSPrimitiveValue::CSS_REMS).get()));
    EXPECT_REFV_EQ(create(-10, CSSPrimitiveValue::CSS_REMS, 0, CSSPrimitiveValue::CSS_PERCENTAGE),
        AnimatableValue::add(create(-10, CSSPrimitiveValue::CSS_REMS).get(), zeropercent.get()));
}

TEST_F(AnimationAnimatableLengthTest, IsUnitless)
{
    EXPECT_TRUE(isUnitlessZero(create(0, CSSPrimitiveValue::CSS_PX)));
    EXPECT_FALSE(isUnitlessZero(create(0, CSSPrimitiveValue::CSS_PERCENTAGE)));
    EXPECT_TRUE(isUnitlessZero(create(0, CSSPrimitiveValue::CSS_EMS)));
    EXPECT_TRUE(isUnitlessZero(create(0, CSSPrimitiveValue::CSS_EXS)));
    EXPECT_TRUE(isUnitlessZero(create(0, CSSPrimitiveValue::CSS_REMS)));
    EXPECT_TRUE(isUnitlessZero(create(0, CSSPrimitiveValue::CSS_VW)));
    EXPECT_TRUE(isUnitlessZero(create(0, CSSPrimitiveValue::CSS_VH)));
    EXPECT_TRUE(isUnitlessZero(create(0, CSSPrimitiveValue::CSS_VMIN)));
    EXPECT_TRUE(isUnitlessZero(create(0, CSSPrimitiveValue::CSS_VMAX)));

    EXPECT_FALSE(isUnitlessZero(create(1, CSSPrimitiveValue::CSS_PX)));
    EXPECT_FALSE(isUnitlessZero(create(2, CSSPrimitiveValue::CSS_PERCENTAGE)));
    EXPECT_FALSE(isUnitlessZero(create(3, CSSPrimitiveValue::CSS_EMS)));
    EXPECT_FALSE(isUnitlessZero(create(4, CSSPrimitiveValue::CSS_EXS)));
    EXPECT_FALSE(isUnitlessZero(create(5, CSSPrimitiveValue::CSS_REMS)));
    EXPECT_FALSE(isUnitlessZero(create(6, CSSPrimitiveValue::CSS_VW)));
    EXPECT_FALSE(isUnitlessZero(create(7, CSSPrimitiveValue::CSS_VH)));
    EXPECT_FALSE(isUnitlessZero(create(8, CSSPrimitiveValue::CSS_VMIN)));
    EXPECT_FALSE(isUnitlessZero(create(9, CSSPrimitiveValue::CSS_VMAX)));
}

TEST_F(AnimationAnimatableLengthTest, CommonUnitType)
{
    RefPtrWillBeRawPtr<AnimatableLength> length10px = create(10, CSSPrimitiveValue::CSS_PX);
    EXPECT_EQ(AnimatableLength::UnitTypePixels,  commonUnitType(length10px, create(1, CSSPrimitiveValue::CSS_PX).get()));
    EXPECT_EQ(AnimatableLength::UnitTypeCalc, commonUnitType(length10px, create(2, CSSPrimitiveValue::CSS_PERCENTAGE).get()));
    EXPECT_EQ(AnimatableLength::UnitTypeCalc, commonUnitType(length10px, create(3, CSSPrimitiveValue::CSS_EMS).get()));
    EXPECT_EQ(AnimatableLength::UnitTypeCalc, commonUnitType(length10px, create(4, CSSPrimitiveValue::CSS_PX, 5, CSSPrimitiveValue::CSS_CM).get()));
    EXPECT_EQ(AnimatableLength::UnitTypeCalc, commonUnitType(length10px, create(0, CSSPrimitiveValue::CSS_PERCENTAGE).get()));

    RefPtrWillBeRawPtr<AnimatableLength> length0px = create(0, CSSPrimitiveValue::CSS_PX);
    EXPECT_EQ(AnimatableLength::UnitTypePixels,     commonUnitType(length0px, create(1, CSSPrimitiveValue::CSS_PX).get()));
    EXPECT_EQ(AnimatableLength::UnitTypePercentage, commonUnitType(length0px, create(2, CSSPrimitiveValue::CSS_PERCENTAGE).get()));
    EXPECT_EQ(AnimatableLength::UnitTypeFontSize,   commonUnitType(length0px, create(3, CSSPrimitiveValue::CSS_EMS).get()));
    EXPECT_EQ(AnimatableLength::UnitTypeCalc,    commonUnitType(length0px, create(4, CSSPrimitiveValue::CSS_PX, 5, CSSPrimitiveValue::CSS_CM).get()));
    EXPECT_EQ(AnimatableLength::UnitTypePercentage, commonUnitType(length0px, create(0, CSSPrimitiveValue::CSS_PERCENTAGE).get()));

    RefPtrWillBeRawPtr<AnimatableLength> length0percent = create(0, CSSPrimitiveValue::CSS_PERCENTAGE);
    EXPECT_EQ(AnimatableLength::UnitTypeCalc,    commonUnitType(length0percent, create(1, CSSPrimitiveValue::CSS_PX).get()));
    EXPECT_EQ(AnimatableLength::UnitTypePercentage, commonUnitType(length0percent, create(2, CSSPrimitiveValue::CSS_PERCENTAGE).get()));
    EXPECT_EQ(AnimatableLength::UnitTypeCalc,    commonUnitType(length0percent, create(3, CSSPrimitiveValue::CSS_EMS).get()));
    EXPECT_EQ(AnimatableLength::UnitTypeCalc,    commonUnitType(length0percent, create(4, CSSPrimitiveValue::CSS_PX, 5, CSSPrimitiveValue::CSS_CM).get()));
    EXPECT_EQ(AnimatableLength::UnitTypePercentage, commonUnitType(length0percent, create(0, CSSPrimitiveValue::CSS_PERCENTAGE).get()));

    RefPtrWillBeRawPtr<AnimatableLength> lengthCalc = create(3, CSSPrimitiveValue::CSS_PX, 5, CSSPrimitiveValue::CSS_CM);
    EXPECT_EQ(AnimatableLength::UnitTypeCalc, commonUnitType(lengthCalc, create(1, CSSPrimitiveValue::CSS_PX).get()));
    EXPECT_EQ(AnimatableLength::UnitTypeCalc, commonUnitType(lengthCalc, create(2, CSSPrimitiveValue::CSS_PERCENTAGE).get()));
    EXPECT_EQ(AnimatableLength::UnitTypeCalc, commonUnitType(lengthCalc, create(3, CSSPrimitiveValue::CSS_EMS).get()));
    EXPECT_EQ(AnimatableLength::UnitTypeCalc, commonUnitType(lengthCalc, create(4, CSSPrimitiveValue::CSS_PX, 5, CSSPrimitiveValue::CSS_CM).get()));
    EXPECT_EQ(AnimatableLength::UnitTypeCalc, commonUnitType(lengthCalc, create(0, CSSPrimitiveValue::CSS_PERCENTAGE).get()));
}

} // namespace WebCore