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      1 /*
      2  * Copyright (c) 2013, Google Inc. All rights reserved.
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     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 
     33 #include "core/animation/CompositorAnimations.h"
     34 
     35 #include "core/animation/AnimatableDouble.h"
     36 #include "core/animation/AnimatableFilterOperations.h"
     37 #include "core/animation/AnimatableTransform.h"
     38 #include "core/animation/AnimatableValueTestHelper.h"
     39 #include "core/animation/CompositorAnimationsImpl.h"
     40 #include "core/animation/CompositorAnimationsTestHelper.h"
     41 #include "core/platform/animation/TimingFunctionTestHelper.h"
     42 #include "platform/geometry/IntSize.h"
     43 #include "platform/graphics/filters/FilterOperations.h"
     44 #include "platform/transforms/TransformOperations.h"
     45 #include "platform/transforms/TranslateTransformOperation.h"
     46 #include "public/platform/WebAnimation.h"
     47 #include "wtf/HashFunctions.h"
     48 #include "wtf/OwnPtr.h"
     49 #include "wtf/PassOwnPtr.h"
     50 #include "wtf/PassRefPtr.h"
     51 #include "wtf/RefPtr.h"
     52 
     53 #include <gmock/gmock.h>
     54 #include <gtest/gtest.h>
     55 
     56 namespace WebCore {
     57 
     58 using ::testing::CloneToPassOwnPtr;
     59 using ::testing::ExpectationSet;
     60 using ::testing::Ref;
     61 using ::testing::Return;
     62 using ::testing::_;
     63 
     64 class AnimationCompositorAnimationsTest : public AnimationCompositorAnimationsTestBase {
     65 
     66 protected:
     67     RefPtr<TimingFunction> m_linearTimingFunction;
     68     RefPtr<TimingFunction> m_cubicEaseTimingFunction;
     69     RefPtr<TimingFunction> m_cubicCustomTimingFunction;
     70     RefPtr<TimingFunction> m_stepTimingFunction;
     71 
     72     Timing m_timing;
     73     CompositorAnimationsImpl::CompositorTiming m_compositorTiming;
     74     KeyframeAnimationEffect::KeyframeVector m_keyframeVector2;
     75     RefPtr<KeyframeAnimationEffect> m_keyframeAnimationEffect2;
     76     KeyframeAnimationEffect::KeyframeVector m_keyframeVector5;
     77     RefPtr<KeyframeAnimationEffect> m_keyframeAnimationEffect5;
     78 
     79     virtual void SetUp()
     80     {
     81         AnimationCompositorAnimationsTestBase::SetUp();
     82 
     83         m_linearTimingFunction = LinearTimingFunction::create();
     84         m_cubicEaseTimingFunction = CubicBezierTimingFunction::preset(CubicBezierTimingFunction::Ease);
     85         m_cubicCustomTimingFunction = CubicBezierTimingFunction::create(1, 2, 3, 4);
     86         m_stepTimingFunction = StepsTimingFunction::create(1, false);
     87 
     88         m_timing = createCompositableTiming();
     89         m_compositorTiming = CompositorAnimationsImpl::CompositorTiming();
     90         // Make sure the CompositableTiming is really compositable, otherwise
     91         // most other tests will fail.
     92         ASSERT(convertTimingForCompositor(m_timing, m_compositorTiming));
     93 
     94         m_keyframeVector2 = createCompositableFloatKeyframeVector(2);
     95         m_keyframeAnimationEffect2 = KeyframeAnimationEffect::create(m_keyframeVector2);
     96 
     97         m_keyframeVector5 = createCompositableFloatKeyframeVector(5);
     98         m_keyframeAnimationEffect5 = KeyframeAnimationEffect::create(m_keyframeVector5);
     99     }
    100 
    101 public:
    102 
    103     bool convertTimingForCompositor(const Timing& t, CompositorAnimationsImpl::CompositorTiming& out)
    104     {
    105         return CompositorAnimationsImpl::convertTimingForCompositor(t, out);
    106     }
    107     bool isCandidateForAnimationOnCompositor(const Timing& timing, const AnimationEffect& effect)
    108     {
    109         return CompositorAnimations::instance()->isCandidateForAnimationOnCompositor(timing, effect);
    110     }
    111     void getAnimationOnCompositor(Timing& timing, KeyframeAnimationEffect& effect, Vector<OwnPtr<blink::WebAnimation> >& animations)
    112     {
    113         return CompositorAnimationsImpl::getAnimationOnCompositor(timing, effect, animations);
    114     }
    115 
    116     bool isCandidateHelperForSingleKeyframe(Keyframe* frame)
    117     {
    118         EXPECT_EQ(frame->offset(), 0);
    119         KeyframeAnimationEffect::KeyframeVector frames;
    120         frames.append(frame);
    121         EXPECT_EQ(m_keyframeVector2[1]->offset(), 1.0);
    122         frames.append(m_keyframeVector2[1]);
    123         return isCandidateForAnimationOnCompositor(m_timing, *KeyframeAnimationEffect::create(frames).get());
    124     }
    125 
    126     // -------------------------------------------------------------------
    127 
    128     Timing createCompositableTiming()
    129     {
    130         Timing timing;
    131         timing.startDelay = 0;
    132         timing.fillMode = Timing::FillModeNone;
    133         timing.iterationStart = 0;
    134         timing.iterationCount = 1;
    135         timing.hasIterationDuration = true;
    136         timing.iterationDuration = 1.0;
    137         timing.playbackRate = 1.0;
    138         timing.direction = Timing::PlaybackDirectionNormal;
    139         ASSERT(m_linearTimingFunction);
    140         timing.timingFunction = m_linearTimingFunction;
    141         return timing;
    142     }
    143 
    144     PassRefPtr<Keyframe> createReplaceOpKeyframe(CSSPropertyID id, AnimatableValue* value, double offset = 0)
    145     {
    146         RefPtr<Keyframe> keyframe = Keyframe::create();
    147         keyframe->setPropertyValue(id, value);
    148         keyframe->setComposite(AnimationEffect::CompositeReplace);
    149         keyframe->setOffset(offset);
    150         return keyframe;
    151     }
    152 
    153     PassRefPtr<Keyframe> createDefaultKeyframe(CSSPropertyID id, AnimationEffect::CompositeOperation op, double offset = 0)
    154     {
    155         RefPtr<AnimatableValue> value;
    156         if (id == CSSPropertyWebkitTransform)
    157             value = AnimatableTransform::create(TransformOperations());
    158         else
    159             value = AnimatableDouble::create(10.0);
    160 
    161         RefPtr<Keyframe> keyframe = createReplaceOpKeyframe(id, value.get(), offset);
    162         keyframe->setComposite(op);
    163         return keyframe;
    164     }
    165 
    166     KeyframeAnimationEffect::KeyframeVector createCompositableFloatKeyframeVector(size_t n)
    167     {
    168         Vector<double> values;
    169         for (size_t i = 0; i < n; i++) {
    170             values.append(static_cast<double>(i));
    171         }
    172         return createCompositableFloatKeyframeVector(values);
    173     }
    174 
    175     KeyframeAnimationEffect::KeyframeVector createCompositableFloatKeyframeVector(Vector<double>& values)
    176     {
    177         KeyframeAnimationEffect::KeyframeVector frames;
    178         for (size_t i = 0; i < values.size(); i++) {
    179             double offset = 1.0 / (values.size() - 1) * i;
    180             RefPtr<AnimatableDouble> value = AnimatableDouble::create(values[i]);
    181             frames.append(createReplaceOpKeyframe(CSSPropertyOpacity, value.get(), offset).get());
    182         }
    183         return frames;
    184     }
    185 
    186     PassRefPtr<KeyframeAnimationEffect> createKeyframeAnimationEffect(PassRefPtr<Keyframe> prpFrom, PassRefPtr<Keyframe> prpTo, PassRefPtr<Keyframe> prpC = 0, PassRefPtr<Keyframe> prpD = 0)
    187     {
    188         RefPtr<Keyframe> from = prpFrom;
    189         RefPtr<Keyframe> to = prpTo;
    190         RefPtr<Keyframe> c = prpC;
    191         RefPtr<Keyframe> d = prpD;
    192 
    193         EXPECT_EQ(from->offset(), 0);
    194         KeyframeAnimationEffect::KeyframeVector frames;
    195         frames.append(from);
    196         EXPECT_LE(from->offset(), to->offset());
    197         frames.append(to);
    198         if (c) {
    199             EXPECT_LE(to->offset(), c->offset());
    200             frames.append(c);
    201         }
    202         if (d) {
    203             frames.append(d);
    204             EXPECT_LE(c->offset(), d->offset());
    205             EXPECT_EQ(d->offset(), 1.0);
    206         } else {
    207             EXPECT_EQ(to->offset(), 1.0);
    208         }
    209         if (!HasFatalFailure()) {
    210             return KeyframeAnimationEffect::create(frames);
    211         }
    212         return PassRefPtr<KeyframeAnimationEffect>();
    213     }
    214 
    215 };
    216 
    217 class CustomFilterOperationMock : public FilterOperation {
    218 public:
    219     virtual bool operator==(const FilterOperation&) const OVERRIDE FINAL {
    220         ASSERT_NOT_REACHED();
    221         return false;
    222     }
    223 
    224     MOCK_CONST_METHOD2(blend, PassRefPtr<FilterOperation>(const FilterOperation*, double));
    225 
    226     static PassRefPtr<CustomFilterOperationMock> create()
    227     {
    228         return adoptRef(new CustomFilterOperationMock());
    229     }
    230 
    231     CustomFilterOperationMock()
    232         : FilterOperation(FilterOperation::CUSTOM)
    233     {
    234     }
    235 };
    236 
    237 // -----------------------------------------------------------------------
    238 // -----------------------------------------------------------------------
    239 
    240 TEST_F(AnimationCompositorAnimationsTest, isCandidateForAnimationOnCompositorKeyframeMultipleCSSProperties)
    241 {
    242     RefPtr<Keyframe> keyframeGoodMultiple = createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeReplace);
    243     keyframeGoodMultiple->setPropertyValue(CSSPropertyWebkitTransform, AnimatableTransform::create(TransformOperations()).get());
    244     EXPECT_TRUE(isCandidateHelperForSingleKeyframe(keyframeGoodMultiple.get()));
    245 
    246     RefPtr<Keyframe> keyframeBadMultipleOp = createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeAdd);
    247     keyframeBadMultipleOp->setPropertyValue(CSSPropertyWebkitTransform, AnimatableDouble::create(10.0).get());
    248     EXPECT_FALSE(isCandidateHelperForSingleKeyframe(keyframeBadMultipleOp.get()));
    249 
    250     // Check both an unsupported property which hashes before and after the
    251     // supported property.
    252     typedef DefaultHash<CSSPropertyID>::Hash HashFunctions;
    253 
    254     RefPtr<Keyframe> keyframeBadMultiple1ID = createDefaultKeyframe(CSSPropertyColor, AnimationEffect::CompositeReplace);
    255     keyframeBadMultiple1ID->setPropertyValue(CSSPropertyOpacity, AnimatableDouble::create(10.0).get());
    256     EXPECT_FALSE(isCandidateHelperForSingleKeyframe(keyframeBadMultiple1ID.get()));
    257     EXPECT_LT(HashFunctions::hash(CSSPropertyColor), HashFunctions::hash(CSSPropertyOpacity));
    258 
    259     RefPtr<Keyframe> keyframeBadMultiple2ID = createDefaultKeyframe(CSSPropertyWebkitTransform, AnimationEffect::CompositeReplace);
    260     keyframeBadMultiple2ID->setPropertyValue(CSSPropertyWidth, AnimatableDouble::create(10.0).get());
    261     EXPECT_FALSE(isCandidateHelperForSingleKeyframe(keyframeBadMultiple2ID.get()));
    262     EXPECT_GT(HashFunctions::hash(CSSPropertyWebkitTransform), HashFunctions::hash(CSSPropertyWidth));
    263 }
    264 
    265 TEST_F(AnimationCompositorAnimationsTest, isNotCandidateForCompositorAnimationTransformDependsOnBoxSize)
    266 {
    267     TransformOperations ops;
    268     ops.operations().append(TranslateTransformOperation::create(Length(2, WebCore::Fixed), Length(2, WebCore::Fixed), TransformOperation::TranslateX));
    269     RefPtr<Keyframe> goodKeyframe = createReplaceOpKeyframe(CSSPropertyWebkitTransform, AnimatableTransform::create(ops).get());
    270     EXPECT_TRUE(isCandidateHelperForSingleKeyframe(goodKeyframe.get()));
    271 
    272     ops.operations().append(TranslateTransformOperation::create(Length(50, WebCore::Percent), Length(2, WebCore::Fixed), TransformOperation::TranslateX));
    273     RefPtr<Keyframe> badKeyframe = createReplaceOpKeyframe(CSSPropertyWebkitTransform, AnimatableTransform::create(ops).get());
    274     EXPECT_FALSE(isCandidateHelperForSingleKeyframe(badKeyframe.get()));
    275 
    276     TransformOperations ops2;
    277     Length calcLength = Length(100, WebCore::Percent).blend(Length(100, WebCore::Fixed), 0.5, WebCore::ValueRangeAll);
    278     ops2.operations().append(TranslateTransformOperation::create(calcLength, Length(0, WebCore::Fixed), TransformOperation::TranslateX));
    279     RefPtr<Keyframe> badKeyframe2 = createReplaceOpKeyframe(CSSPropertyWebkitTransform, AnimatableTransform::create(ops2).get());
    280     EXPECT_FALSE(isCandidateHelperForSingleKeyframe(badKeyframe2.get()));
    281 }
    282 
    283 TEST_F(AnimationCompositorAnimationsTest, isNotCandidateForCompositorAnimationCustomFilter)
    284 {
    285     FilterOperations ops;
    286     ops.operations().append(BasicColorMatrixFilterOperation::create(0.5, FilterOperation::SATURATE));
    287     RefPtr<Keyframe> goodKeyframe = createReplaceOpKeyframe(CSSPropertyWebkitFilter, AnimatableFilterOperations::create(ops).get());
    288     EXPECT_TRUE(isCandidateHelperForSingleKeyframe(goodKeyframe.get()));
    289 
    290     ops.operations().append(CustomFilterOperationMock::create());
    291     RefPtr<Keyframe> badKeyframe = createReplaceOpKeyframe(CSSPropertyFilter, AnimatableFilterOperations::create(ops).get());
    292     EXPECT_FALSE(isCandidateHelperForSingleKeyframe(badKeyframe.get()));
    293 }
    294 
    295 TEST_F(AnimationCompositorAnimationsTest, isCandidateForAnimationOnCompositorKeyframeEffectMultipleFramesOkay)
    296 {
    297     KeyframeAnimationEffect::KeyframeVector framesSame;
    298     framesSame.append(createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeReplace, 0.0).get());
    299     framesSame.append(createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeReplace, 1.0).get());
    300     EXPECT_TRUE(isCandidateForAnimationOnCompositor(m_timing, *KeyframeAnimationEffect::create(framesSame).get()));
    301 
    302     KeyframeAnimationEffect::KeyframeVector framesMixed;
    303     framesMixed.append(createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeReplace, 0.0).get());
    304     framesMixed.append(createDefaultKeyframe(CSSPropertyWebkitTransform, AnimationEffect::CompositeReplace, 1.0).get());
    305     EXPECT_TRUE(isCandidateForAnimationOnCompositor(m_timing, *KeyframeAnimationEffect::create(framesMixed).get()));
    306 }
    307 
    308 TEST_F(AnimationCompositorAnimationsTest, isCandidateForAnimationOnCompositorKeyframeEffectMultipleFramesNotOkay)
    309 {
    310     KeyframeAnimationEffect::KeyframeVector framesSame;
    311     framesSame.append(createDefaultKeyframe(CSSPropertyColor, AnimationEffect::CompositeReplace, 0.0).get());
    312     framesSame.append(createDefaultKeyframe(CSSPropertyColor, AnimationEffect::CompositeReplace, 1.0).get());
    313     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *KeyframeAnimationEffect::create(framesSame).get()));
    314 
    315     KeyframeAnimationEffect::KeyframeVector framesMixedProperties;
    316     framesMixedProperties.append(createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeReplace, 0.0).get());
    317     framesMixedProperties.append(createDefaultKeyframe(CSSPropertyColor, AnimationEffect::CompositeReplace, 1.0).get());
    318     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *KeyframeAnimationEffect::create(framesMixedProperties).get()));
    319 
    320     KeyframeAnimationEffect::KeyframeVector framesMixedOps;
    321     framesMixedOps.append(createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeReplace, 0.0).get());
    322     framesMixedOps.append(createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeAdd, 1.0).get());
    323     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *KeyframeAnimationEffect::create(framesMixedOps).get()));
    324 }
    325 
    326 TEST_F(AnimationCompositorAnimationsTest, ConvertTimingForCompositorStartDelay)
    327 {
    328     m_timing.iterationDuration = 20.0;
    329 
    330     m_timing.startDelay = 2.0;
    331     EXPECT_TRUE(convertTimingForCompositor(m_timing, m_compositorTiming));
    332     EXPECT_DOUBLE_EQ(-2.0, m_compositorTiming.scaledTimeOffset);
    333 
    334     m_timing.startDelay = -2.0;
    335     EXPECT_TRUE(convertTimingForCompositor(m_timing, m_compositorTiming));
    336     EXPECT_DOUBLE_EQ(2.0, m_compositorTiming.scaledTimeOffset);
    337 }
    338 
    339 TEST_F(AnimationCompositorAnimationsTest, ConvertTimingForCompositorIterationStart)
    340 {
    341     m_timing.iterationStart = 2.2;
    342     EXPECT_FALSE(convertTimingForCompositor(m_timing, m_compositorTiming));
    343 }
    344 
    345 TEST_F(AnimationCompositorAnimationsTest, ConvertTimingForCompositorIterationCount)
    346 {
    347     m_timing.iterationCount = 5.0;
    348     EXPECT_TRUE(convertTimingForCompositor(m_timing, m_compositorTiming));
    349     EXPECT_EQ(5, m_compositorTiming.adjustedIterationCount);
    350 
    351     m_timing.iterationCount = 5.5;
    352     EXPECT_FALSE(convertTimingForCompositor(m_timing, m_compositorTiming));
    353 
    354     // Asserts will only trigger on DEBUG build.
    355     // EXPECT_DEATH tests are flaky on Android.
    356 #if !defined(NDEBUG) && !OS(ANDROID)
    357     m_timing.iterationCount = -1;
    358     EXPECT_DEATH(convertTimingForCompositor(m_timing, m_compositorTiming), "");
    359 #endif
    360 
    361     m_timing.iterationCount = std::numeric_limits<double>::infinity();
    362     EXPECT_TRUE(convertTimingForCompositor(m_timing, m_compositorTiming));
    363     EXPECT_EQ(-1, m_compositorTiming.adjustedIterationCount);
    364 
    365     m_timing.iterationCount = std::numeric_limits<double>::infinity();
    366     m_timing.iterationDuration = 5.0;
    367     m_timing.startDelay = -6.0;
    368     EXPECT_TRUE(convertTimingForCompositor(m_timing, m_compositorTiming));
    369     EXPECT_DOUBLE_EQ(6.0, m_compositorTiming.scaledTimeOffset);
    370     EXPECT_EQ(-1, m_compositorTiming.adjustedIterationCount);
    371 }
    372 
    373 TEST_F(AnimationCompositorAnimationsTest, ConvertTimingForCompositorIterationsAndStartDelay)
    374 {
    375     m_timing.iterationCount = 4.0;
    376     m_timing.iterationDuration = 5.0;
    377 
    378     m_timing.startDelay = 6.0;
    379     EXPECT_TRUE(convertTimingForCompositor(m_timing, m_compositorTiming));
    380     EXPECT_DOUBLE_EQ(-6.0, m_compositorTiming.scaledTimeOffset);
    381     EXPECT_DOUBLE_EQ(4.0, m_compositorTiming.adjustedIterationCount);
    382 
    383     m_timing.startDelay = -6.0;
    384     EXPECT_TRUE(convertTimingForCompositor(m_timing, m_compositorTiming));
    385     EXPECT_DOUBLE_EQ(6.0, m_compositorTiming.scaledTimeOffset);
    386     EXPECT_DOUBLE_EQ(4.0, m_compositorTiming.adjustedIterationCount);
    387 
    388     m_timing.startDelay = 21.0;
    389     EXPECT_FALSE(convertTimingForCompositor(m_timing, m_compositorTiming));
    390 }
    391 
    392 TEST_F(AnimationCompositorAnimationsTest, ConvertTimingForCompositorPlaybackRate)
    393 {
    394     m_timing.playbackRate = 2.0;
    395     EXPECT_FALSE(convertTimingForCompositor(m_timing, m_compositorTiming));
    396 
    397     m_timing.playbackRate = 0.0;
    398     EXPECT_FALSE(convertTimingForCompositor(m_timing, m_compositorTiming));
    399 
    400     m_timing.playbackRate = -2.0;
    401     EXPECT_FALSE(convertTimingForCompositor(m_timing, m_compositorTiming));
    402 }
    403 
    404 TEST_F(AnimationCompositorAnimationsTest, ConvertTimingForCompositorDirection)
    405 {
    406     m_timing.direction = Timing::PlaybackDirectionAlternate;
    407     EXPECT_TRUE(convertTimingForCompositor(m_timing, m_compositorTiming));
    408     EXPECT_TRUE(m_compositorTiming.alternate);
    409     EXPECT_FALSE(m_compositorTiming.reverse);
    410 
    411     m_timing.direction = Timing::PlaybackDirectionAlternateReverse;
    412     EXPECT_TRUE(convertTimingForCompositor(m_timing, m_compositorTiming));
    413     EXPECT_TRUE(m_compositorTiming.alternate);
    414     EXPECT_TRUE(m_compositorTiming.reverse);
    415 
    416     m_timing.direction = Timing::PlaybackDirectionReverse;
    417     EXPECT_TRUE(convertTimingForCompositor(m_timing, m_compositorTiming));
    418     EXPECT_FALSE(m_compositorTiming.alternate);
    419     EXPECT_TRUE(m_compositorTiming.reverse);
    420 }
    421 
    422 TEST_F(AnimationCompositorAnimationsTest, ConvertTimingForCompositorDirectionIterationsAndStartDelay)
    423 {
    424     m_timing.direction = Timing::PlaybackDirectionAlternate;
    425     m_timing.iterationCount = 4.0;
    426     m_timing.iterationDuration = 5.0;
    427     m_timing.startDelay = -6.0;
    428     EXPECT_TRUE(convertTimingForCompositor(m_timing, m_compositorTiming));
    429     EXPECT_DOUBLE_EQ(6.0, m_compositorTiming.scaledTimeOffset);
    430     EXPECT_EQ(4, m_compositorTiming.adjustedIterationCount);
    431     EXPECT_TRUE(m_compositorTiming.alternate);
    432     EXPECT_FALSE(m_compositorTiming.reverse);
    433 
    434     m_timing.direction = Timing::PlaybackDirectionAlternate;
    435     m_timing.iterationCount = 4.0;
    436     m_timing.iterationDuration = 5.0;
    437     m_timing.startDelay = -11.0;
    438     EXPECT_TRUE(convertTimingForCompositor(m_timing, m_compositorTiming));
    439     EXPECT_DOUBLE_EQ(11.0, m_compositorTiming.scaledTimeOffset);
    440     EXPECT_EQ(4, m_compositorTiming.adjustedIterationCount);
    441     EXPECT_TRUE(m_compositorTiming.alternate);
    442     EXPECT_FALSE(m_compositorTiming.reverse);
    443 
    444     m_timing.direction = Timing::PlaybackDirectionAlternateReverse;
    445     m_timing.iterationCount = 4.0;
    446     m_timing.iterationDuration = 5.0;
    447     m_timing.startDelay = -6.0;
    448     EXPECT_TRUE(convertTimingForCompositor(m_timing, m_compositorTiming));
    449     EXPECT_DOUBLE_EQ(6.0, m_compositorTiming.scaledTimeOffset);
    450     EXPECT_EQ(4, m_compositorTiming.adjustedIterationCount);
    451     EXPECT_TRUE(m_compositorTiming.alternate);
    452     EXPECT_TRUE(m_compositorTiming.reverse);
    453 
    454     m_timing.direction = Timing::PlaybackDirectionAlternateReverse;
    455     m_timing.iterationCount = 4.0;
    456     m_timing.iterationDuration = 5.0;
    457     m_timing.startDelay = -11.0;
    458     EXPECT_TRUE(convertTimingForCompositor(m_timing, m_compositorTiming));
    459     EXPECT_DOUBLE_EQ(11.0, m_compositorTiming.scaledTimeOffset);
    460     EXPECT_EQ(4, m_compositorTiming.adjustedIterationCount);
    461     EXPECT_TRUE(m_compositorTiming.alternate);
    462     EXPECT_TRUE(m_compositorTiming.reverse);
    463 }
    464 
    465 TEST_F(AnimationCompositorAnimationsTest, isCandidateForAnimationOnCompositorTimingTimingFunctionPassThru)
    466 {
    467     m_timing.timingFunction = m_stepTimingFunction;
    468     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect2.get()));
    469 }
    470 
    471 TEST_F(AnimationCompositorAnimationsTest, isCandidateForAnimationOnCompositorTimingFunctionLinear)
    472 {
    473     m_timing.timingFunction = m_linearTimingFunction;
    474     EXPECT_TRUE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect2.get()));
    475     EXPECT_TRUE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
    476 }
    477 
    478 TEST_F(AnimationCompositorAnimationsTest, isCandidateForAnimationOnCompositorTimingFunctionCubic)
    479 {
    480     // Cubic bezier are okay if we only have two keyframes
    481     m_timing.timingFunction = m_cubicEaseTimingFunction;
    482     EXPECT_TRUE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect2.get()));
    483     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
    484 
    485     m_timing.timingFunction = m_cubicCustomTimingFunction;
    486     EXPECT_TRUE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect2.get()));
    487     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
    488 }
    489 
    490 TEST_F(AnimationCompositorAnimationsTest, isCandidateForAnimationOnCompositorTimingFunctionSteps)
    491 {
    492     m_timing.timingFunction = m_stepTimingFunction;
    493     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect2.get()));
    494     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
    495 }
    496 
    497 TEST_F(AnimationCompositorAnimationsTest, isCandidateForAnimationOnCompositorTimingFunctionChainedEmpty)
    498 {
    499     RefPtr<ChainedTimingFunction> chainedEmpty = ChainedTimingFunction::create();
    500     m_timing.timingFunction = chainedEmpty;
    501     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect2.get()));
    502     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
    503 }
    504 
    505 TEST_F(AnimationCompositorAnimationsTest, isCandidateForAnimationOnCompositorTimingFunctionChainedLinear)
    506 {
    507     RefPtr<ChainedTimingFunction> chainedLinearSingle = ChainedTimingFunction::create();
    508     chainedLinearSingle->appendSegment(1.0, m_linearTimingFunction.get());
    509     m_timing.timingFunction = chainedLinearSingle;
    510     EXPECT_TRUE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect2.get()));
    511 
    512     RefPtr<ChainedTimingFunction> chainedLinearMultiple = ChainedTimingFunction::create();
    513     chainedLinearMultiple->appendSegment(0.25, m_linearTimingFunction.get());
    514     chainedLinearMultiple->appendSegment(0.5, m_linearTimingFunction.get());
    515     chainedLinearMultiple->appendSegment(0.75, m_linearTimingFunction.get());
    516     chainedLinearMultiple->appendSegment(1.0, m_linearTimingFunction.get());
    517     m_timing.timingFunction = chainedLinearMultiple;
    518     EXPECT_TRUE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
    519 
    520     // FIXME: Technically a chained timing function of linear functions don't
    521     // have to be aligned to keyframes. We don't support that currently as
    522     // nothing generates that yet.
    523 }
    524 
    525 TEST_F(AnimationCompositorAnimationsTest, isCandidateForAnimationOnCompositorTimingFunctionChainedCubicMatchingOffsets)
    526 {
    527     RefPtr<ChainedTimingFunction> chainedSingleAGood = ChainedTimingFunction::create();
    528     chainedSingleAGood->appendSegment(1.0, m_cubicEaseTimingFunction.get());
    529     m_timing.timingFunction = chainedSingleAGood;
    530     EXPECT_TRUE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect2.get()));
    531 
    532     RefPtr<ChainedTimingFunction> chainedSingleBGood = ChainedTimingFunction::create();
    533     chainedSingleBGood->appendSegment(1.0, m_cubicCustomTimingFunction.get());
    534     m_timing.timingFunction = chainedSingleBGood;
    535     EXPECT_TRUE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect2.get()));
    536 
    537     RefPtr<ChainedTimingFunction> chainedMultipleGood = ChainedTimingFunction::create();
    538     chainedMultipleGood->appendSegment(0.25, m_cubicEaseTimingFunction.get());
    539     chainedMultipleGood->appendSegment(0.5, m_cubicCustomTimingFunction.get());
    540     chainedMultipleGood->appendSegment(0.75, m_cubicCustomTimingFunction.get());
    541     chainedMultipleGood->appendSegment(1.0, m_cubicCustomTimingFunction.get());
    542     m_timing.timingFunction = chainedMultipleGood;
    543     EXPECT_TRUE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
    544 }
    545 
    546 TEST_F(AnimationCompositorAnimationsTest, isCandidateForAnimationOnCompositorTimingFunctionChainedCubicNonMatchingOffsets)
    547 {
    548     RefPtr<ChainedTimingFunction> chained0 = ChainedTimingFunction::create();
    549     chained0->appendSegment(0.5, m_cubicEaseTimingFunction.get());
    550     m_timing.timingFunction = chained0;
    551     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect2.get()));
    552 
    553     RefPtr<ChainedTimingFunction> chained1 = ChainedTimingFunction::create();
    554     chained1->appendSegment(0.24, m_cubicEaseTimingFunction.get());
    555     chained1->appendSegment(0.5, m_cubicEaseTimingFunction.get());
    556     chained1->appendSegment(0.75, m_cubicEaseTimingFunction.get());
    557     chained1->appendSegment(1.0, m_cubicEaseTimingFunction.get());
    558     m_timing.timingFunction = chained1;
    559     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
    560 
    561     RefPtr<ChainedTimingFunction> chained2 = ChainedTimingFunction::create();
    562     chained2->appendSegment(0.25, m_cubicEaseTimingFunction.get());
    563     chained2->appendSegment(0.51, m_cubicEaseTimingFunction.get());
    564     chained2->appendSegment(0.75, m_cubicEaseTimingFunction.get());
    565     chained2->appendSegment(1.0, m_cubicEaseTimingFunction.get());
    566     m_timing.timingFunction = chained2;
    567     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
    568 
    569     RefPtr<ChainedTimingFunction> chained3 = ChainedTimingFunction::create();
    570     chained3->appendSegment(0.25, m_cubicEaseTimingFunction.get());
    571     chained3->appendSegment(0.5, m_cubicEaseTimingFunction.get());
    572     chained3->appendSegment(0.75, m_cubicEaseTimingFunction.get());
    573     chained3->appendSegment(0.8, m_cubicEaseTimingFunction.get());
    574     m_timing.timingFunction = chained3;
    575     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
    576 
    577     RefPtr<ChainedTimingFunction> chained4 = ChainedTimingFunction::create();
    578     chained4->appendSegment(0.25, m_cubicEaseTimingFunction.get());
    579     chained4->appendSegment(0.5, m_cubicEaseTimingFunction.get());
    580     chained4->appendSegment(0.75, m_cubicEaseTimingFunction.get());
    581     chained4->appendSegment(1.1, m_cubicEaseTimingFunction.get());
    582     m_timing.timingFunction = chained4;
    583     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
    584 }
    585 
    586 TEST_F(AnimationCompositorAnimationsTest, isCandidateForAnimationOnCompositorTimingFunctionMissingFrames)
    587 {
    588     // Missing first
    589     RefPtr<ChainedTimingFunction> chained1 = ChainedTimingFunction::create();
    590     chained1->appendSegment(0.5, m_cubicEaseTimingFunction.get());
    591     chained1->appendSegment(0.75, m_cubicEaseTimingFunction.get());
    592     chained1->appendSegment(1.0, m_cubicEaseTimingFunction.get());
    593     m_timing.timingFunction = chained1;
    594     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
    595 
    596     // Missing middle
    597     RefPtr<ChainedTimingFunction> chained2 = ChainedTimingFunction::create();
    598     chained2->appendSegment(0.25, m_cubicEaseTimingFunction.get());
    599     chained2->appendSegment(0.75, m_cubicEaseTimingFunction.get());
    600     chained2->appendSegment(1.0, m_cubicEaseTimingFunction.get());
    601     m_timing.timingFunction = chained2;
    602     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
    603 
    604     // Missing last
    605     RefPtr<ChainedTimingFunction> chained3 = ChainedTimingFunction::create();
    606     chained3->appendSegment(0.25, m_cubicEaseTimingFunction.get());
    607     chained3->appendSegment(0.5, m_cubicEaseTimingFunction.get());
    608     chained3->appendSegment(0.75, m_cubicEaseTimingFunction.get());
    609     m_timing.timingFunction = chained3;
    610     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
    611 }
    612 
    613 TEST_F(AnimationCompositorAnimationsTest, isCandidateForAnimationOnCompositorTimingFunctionToManyFrames)
    614 {
    615     RefPtr<ChainedTimingFunction> chained1 = ChainedTimingFunction::create();
    616     chained1->appendSegment(0.1, m_cubicEaseTimingFunction.get());
    617     chained1->appendSegment(0.5, m_cubicEaseTimingFunction.get());
    618     m_timing.timingFunction = chained1;
    619     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect2.get()));
    620 
    621     RefPtr<ChainedTimingFunction> chained2 = ChainedTimingFunction::create();
    622     chained2->appendSegment(0.1, m_cubicEaseTimingFunction.get());
    623     chained2->appendSegment(0.25, m_cubicEaseTimingFunction.get());
    624     chained2->appendSegment(0.5, m_cubicEaseTimingFunction.get());
    625     chained2->appendSegment(0.75, m_cubicEaseTimingFunction.get());
    626     chained2->appendSegment(1.0, m_cubicEaseTimingFunction.get());
    627     m_timing.timingFunction = chained2;
    628     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
    629 }
    630 
    631 TEST_F(AnimationCompositorAnimationsTest, isCandidateForAnimationOnCompositorTimingFunctionMixedGood)
    632 {
    633     RefPtr<ChainedTimingFunction> chainedMixed = ChainedTimingFunction::create();
    634     chainedMixed->appendSegment(0.25, m_linearTimingFunction.get());
    635     chainedMixed->appendSegment(0.5, m_cubicEaseTimingFunction.get());
    636     chainedMixed->appendSegment(0.75, m_cubicEaseTimingFunction.get());
    637     chainedMixed->appendSegment(1.0, m_linearTimingFunction.get());
    638     m_timing.timingFunction = chainedMixed;
    639     EXPECT_TRUE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
    640 }
    641 
    642 TEST_F(AnimationCompositorAnimationsTest, isCandidateForAnimationOnCompositorTimingFunctionWithStepNotOkay)
    643 {
    644     RefPtr<ChainedTimingFunction> chainedStepSingle = ChainedTimingFunction::create();
    645     chainedStepSingle->appendSegment(1.0, m_stepTimingFunction.get());
    646     m_timing.timingFunction = chainedStepSingle;
    647     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect2.get()));
    648 
    649     RefPtr<ChainedTimingFunction> chainedStepMixedA = ChainedTimingFunction::create();
    650     chainedStepMixedA->appendSegment(0.25, m_stepTimingFunction.get());
    651     chainedStepMixedA->appendSegment(0.5, m_linearTimingFunction.get());
    652     chainedStepMixedA->appendSegment(1.0, m_cubicEaseTimingFunction.get());
    653     m_timing.timingFunction = chainedStepMixedA;
    654     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
    655 
    656     RefPtr<ChainedTimingFunction> chainedStepMixedB = ChainedTimingFunction::create();
    657     chainedStepMixedB->appendSegment(0.25, m_linearTimingFunction.get());
    658     chainedStepMixedB->appendSegment(0.5, m_stepTimingFunction.get());
    659     chainedStepMixedB->appendSegment(1.0, m_cubicEaseTimingFunction.get());
    660     m_timing.timingFunction = chainedStepMixedB;
    661     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
    662 
    663     RefPtr<ChainedTimingFunction> chainedStepMixedC = ChainedTimingFunction::create();
    664     chainedStepMixedC->appendSegment(0.25, m_linearTimingFunction.get());
    665     chainedStepMixedC->appendSegment(0.5, m_cubicEaseTimingFunction.get());
    666     chainedStepMixedC->appendSegment(1.0, m_stepTimingFunction.get());
    667     m_timing.timingFunction = chainedStepMixedC;
    668     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
    669 }
    670 
    671 TEST_F(AnimationCompositorAnimationsTest, isCandidateForAnimationOnCompositorTimingFunctionNestedNotOkay)
    672 {
    673     RefPtr<ChainedTimingFunction> chainedChild = ChainedTimingFunction::create();
    674     chainedChild->appendSegment(1.0, m_linearTimingFunction.get());
    675 
    676     RefPtr<ChainedTimingFunction> chainedParent = ChainedTimingFunction::create();
    677     chainedParent->appendSegment(0.25, m_linearTimingFunction.get());
    678     chainedParent->appendSegment(0.5, chainedChild.get());
    679     chainedParent->appendSegment(0.75, m_linearTimingFunction.get());
    680     chainedParent->appendSegment(1.0, m_linearTimingFunction.get());
    681     m_timing.timingFunction = chainedParent;
    682     EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
    683 }
    684 
    685 TEST_F(AnimationCompositorAnimationsTest, isCandidateForAnimationOnCompositor)
    686 {
    687     Timing linearTiming(createCompositableTiming());
    688 
    689     RefPtr<TimingFunction> cubicTimingFunc = CubicBezierTimingFunction::preset(CubicBezierTimingFunction::EaseIn);
    690     Timing cubicTiming(createCompositableTiming());
    691     cubicTiming.timingFunction = cubicTimingFunc;
    692 
    693     RefPtr<ChainedTimingFunction> chainedTimingFunc = ChainedTimingFunction::create();
    694     chainedTimingFunc->appendSegment(0.5, m_linearTimingFunction.get());
    695     chainedTimingFunc->appendSegment(1.0, cubicTimingFunc.get());
    696     Timing chainedTiming(createCompositableTiming());
    697     chainedTiming.timingFunction = chainedTimingFunc;
    698 
    699     KeyframeAnimationEffect::KeyframeVector basicFramesVector;
    700     basicFramesVector.append(createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeReplace, 0.0).get());
    701     basicFramesVector.append(createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeReplace, 1.0).get());
    702     RefPtr<KeyframeAnimationEffect> basicFrames = KeyframeAnimationEffect::create(basicFramesVector).get();
    703 
    704     EXPECT_TRUE(isCandidateForAnimationOnCompositor(linearTiming, *basicFrames.get()));
    705     EXPECT_TRUE(isCandidateForAnimationOnCompositor(cubicTiming, *basicFrames.get()));
    706     // number of timing function and keyframes don't match
    707     EXPECT_FALSE(isCandidateForAnimationOnCompositor(chainedTiming, *basicFrames.get()));
    708 
    709     KeyframeAnimationEffect::KeyframeVector nonBasicFramesVector;
    710     nonBasicFramesVector.append(createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeReplace, 0.0).get());
    711     nonBasicFramesVector.append(createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeReplace, 0.5).get());
    712     nonBasicFramesVector.append(createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeReplace, 1.0).get());
    713     RefPtr<KeyframeAnimationEffect> nonBasicFrames = KeyframeAnimationEffect::create(nonBasicFramesVector).get();
    714 
    715     EXPECT_TRUE(CompositorAnimations::instance()->isCandidateForAnimationOnCompositor(linearTiming, *nonBasicFrames.get()));
    716     EXPECT_FALSE(CompositorAnimations::instance()->isCandidateForAnimationOnCompositor(cubicTiming, *nonBasicFrames.get()));
    717     EXPECT_TRUE(CompositorAnimations::instance()->isCandidateForAnimationOnCompositor(chainedTiming, *nonBasicFrames.get()));
    718 }
    719 
    720 // -----------------------------------------------------------------------
    721 // -----------------------------------------------------------------------
    722 
    723 TEST_F(AnimationCompositorAnimationsTest, createSimpleOpacityAnimation)
    724 {
    725     // Animation to convert
    726     RefPtr<KeyframeAnimationEffect> effect = createKeyframeAnimationEffect(
    727         createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(2.0).get(), 0),
    728         createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(5.0).get(), 1.0));
    729     // --
    730 
    731     WebCompositorSupportMock mockCompositor;
    732 
    733     // Curve is created
    734     blink::WebFloatAnimationCurveMock* mockCurvePtr = new blink::WebFloatAnimationCurveMock;
    735     ExpectationSet usesMockCurve;
    736     EXPECT_CALL(mockCompositor, createFloatAnimationCurve())
    737         .WillOnce(Return(mockCurvePtr));
    738 
    739     usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(blink::WebFloatKeyframe(0.0, 2.0), blink::WebAnimationCurve::TimingFunctionTypeLinear));
    740     usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(blink::WebFloatKeyframe(1.0, 5.0)));
    741 
    742     // Create animation
    743     blink::WebAnimationMock* mockAnimationPtr = new blink::WebAnimationMock(blink::WebAnimation::TargetPropertyOpacity);
    744     ExpectationSet usesMockAnimation;
    745 
    746     usesMockCurve += EXPECT_CALL(mockCompositor, createAnimation(Ref(*mockCurvePtr), blink::WebAnimation::TargetPropertyOpacity, _))
    747         .WillOnce(Return(mockAnimationPtr));
    748 
    749     usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setIterations(1));
    750     usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setTimeOffset(0.0));
    751     usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setAlternatesDirection(false));
    752 
    753     EXPECT_CALL(*mockAnimationPtr, delete_())
    754         .Times(1)
    755         .After(usesMockAnimation);
    756     EXPECT_CALL(*mockCurvePtr, delete_())
    757         .Times(1)
    758         .After(usesMockCurve);
    759 
    760     // Go!
    761     setCompositorForTesting(mockCompositor);
    762     Vector<OwnPtr<blink::WebAnimation> > result;
    763     getAnimationOnCompositor(m_timing, *effect.get(), result);
    764     EXPECT_EQ(1U, result.size());
    765     result[0].clear();
    766 }
    767 
    768 TEST_F(AnimationCompositorAnimationsTest, createSimpleOpacityAnimationDuration)
    769 {
    770     // Animation to convert
    771     RefPtr<KeyframeAnimationEffect> effect = createKeyframeAnimationEffect(
    772         createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(2.0).get(), 0),
    773         createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(5.0).get(), 1.0));
    774 
    775     m_timing.iterationDuration = 10.0;
    776     // --
    777 
    778     WebCompositorSupportMock mockCompositor;
    779 
    780     // Curve is created
    781     blink::WebFloatAnimationCurveMock* mockCurvePtr = new blink::WebFloatAnimationCurveMock;
    782     ExpectationSet usesMockCurve;
    783     EXPECT_CALL(mockCompositor, createFloatAnimationCurve())
    784         .WillOnce(Return(mockCurvePtr));
    785 
    786     usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(blink::WebFloatKeyframe(0.0, 2.0), blink::WebAnimationCurve::TimingFunctionTypeLinear));
    787     usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(blink::WebFloatKeyframe(10.0, 5.0)));
    788 
    789     // Create animation
    790     blink::WebAnimationMock* mockAnimationPtr = new blink::WebAnimationMock(blink::WebAnimation::TargetPropertyOpacity);
    791     ExpectationSet usesMockAnimation;
    792 
    793     usesMockCurve += EXPECT_CALL(mockCompositor, createAnimation(Ref(*mockCurvePtr), blink::WebAnimation::TargetPropertyOpacity, _))
    794         .WillOnce(Return(mockAnimationPtr));
    795 
    796     usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setIterations(1));
    797     usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setTimeOffset(0.0));
    798     usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setAlternatesDirection(false));
    799 
    800     EXPECT_CALL(*mockAnimationPtr, delete_())
    801         .Times(1)
    802         .After(usesMockAnimation);
    803     EXPECT_CALL(*mockCurvePtr, delete_())
    804         .Times(1)
    805         .After(usesMockCurve);
    806 
    807     // Go!
    808     setCompositorForTesting(mockCompositor);
    809     Vector<OwnPtr<blink::WebAnimation> > result;
    810     getAnimationOnCompositor(m_timing, *effect.get(), result);
    811     EXPECT_EQ(1U, result.size());
    812     result[0].clear();
    813 }
    814 
    815 TEST_F(AnimationCompositorAnimationsTest, createMultipleKeyframeOpacityAnimationLinear)
    816 {
    817     // Animation to convert
    818     RefPtr<KeyframeAnimationEffect> effect = createKeyframeAnimationEffect(
    819         createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(2.0).get(), 0),
    820         createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(-1.0).get(), 0.25),
    821         createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(20.0).get(), 0.5),
    822         createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(5.0).get(), 1.0));
    823 
    824     m_timing.iterationCount = 5;
    825     m_timing.direction = Timing::PlaybackDirectionAlternate;
    826     // --
    827 
    828     WebCompositorSupportMock mockCompositor;
    829 
    830     // Curve is created
    831     blink::WebFloatAnimationCurveMock* mockCurvePtr = new blink::WebFloatAnimationCurveMock();
    832     ExpectationSet usesMockCurve;
    833 
    834     EXPECT_CALL(mockCompositor, createFloatAnimationCurve())
    835         .WillOnce(Return(mockCurvePtr));
    836 
    837     usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(blink::WebFloatKeyframe(0.0, 2.0), blink::WebAnimationCurve::TimingFunctionTypeLinear));
    838     usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(blink::WebFloatKeyframe(0.25, -1.0), blink::WebAnimationCurve::TimingFunctionTypeLinear));
    839     usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(blink::WebFloatKeyframe(0.5, 20.0), blink::WebAnimationCurve::TimingFunctionTypeLinear));
    840     usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(blink::WebFloatKeyframe(1.0, 5.0)));
    841 
    842     // Animation is created
    843     blink::WebAnimationMock* mockAnimationPtr = new blink::WebAnimationMock(blink::WebAnimation::TargetPropertyOpacity);
    844     ExpectationSet usesMockAnimation;
    845 
    846     usesMockCurve += EXPECT_CALL(mockCompositor, createAnimation(Ref(*mockCurvePtr), blink::WebAnimation::TargetPropertyOpacity, _))
    847         .WillOnce(Return(mockAnimationPtr));
    848 
    849     usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setIterations(5));
    850     usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setTimeOffset(0.0));
    851     usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setAlternatesDirection(true));
    852 
    853     EXPECT_CALL(*mockAnimationPtr, delete_())
    854         .Times(1)
    855         .After(usesMockAnimation);
    856     EXPECT_CALL(*mockCurvePtr, delete_())
    857         .Times(1)
    858         .After(usesMockCurve);
    859 
    860     // Go!
    861     setCompositorForTesting(mockCompositor);
    862     Vector<OwnPtr<blink::WebAnimation> > result;
    863     getAnimationOnCompositor(m_timing, *effect.get(), result);
    864     EXPECT_EQ(1U, result.size());
    865     result[0].clear();
    866 }
    867 
    868 TEST_F(AnimationCompositorAnimationsTest, createSimpleOpacityAnimationStartDelay)
    869 {
    870     // Animation to convert
    871     RefPtr<KeyframeAnimationEffect> effect = createKeyframeAnimationEffect(
    872         createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(2.0).get(), 0),
    873         createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(5.0).get(), 1.0));
    874 
    875     m_timing.iterationCount = 5.0;
    876     m_timing.iterationDuration = 1.75;
    877     m_timing.startDelay = 3.25;
    878     // --
    879 
    880     WebCompositorSupportMock mockCompositor;
    881 
    882     // Curve is created
    883     blink::WebFloatAnimationCurveMock* mockCurvePtr = new blink::WebFloatAnimationCurveMock;
    884     ExpectationSet usesMockCurve;
    885     EXPECT_CALL(mockCompositor, createFloatAnimationCurve())
    886         .WillOnce(Return(mockCurvePtr));
    887 
    888     usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(blink::WebFloatKeyframe(0.0, 2.0), blink::WebAnimationCurve::TimingFunctionTypeLinear));
    889     usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(blink::WebFloatKeyframe(1.75, 5.0)));
    890 
    891     // Create animation
    892     blink::WebAnimationMock* mockAnimationPtr = new blink::WebAnimationMock(blink::WebAnimation::TargetPropertyOpacity);
    893     ExpectationSet usesMockAnimation;
    894 
    895     usesMockCurve += EXPECT_CALL(mockCompositor, createAnimation(Ref(*mockCurvePtr), blink::WebAnimation::TargetPropertyOpacity, _))
    896         .WillOnce(Return(mockAnimationPtr));
    897 
    898     usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setIterations(5));
    899     usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setTimeOffset(-3.25));
    900     usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setAlternatesDirection(false));
    901 
    902     EXPECT_CALL(*mockAnimationPtr, delete_())
    903         .Times(1)
    904         .After(usesMockAnimation);
    905     EXPECT_CALL(*mockCurvePtr, delete_())
    906         .Times(1)
    907         .After(usesMockCurve);
    908 
    909     // Go!
    910     setCompositorForTesting(mockCompositor);
    911     Vector<OwnPtr<blink::WebAnimation> > result;
    912     getAnimationOnCompositor(m_timing, *effect.get(), result);
    913     EXPECT_EQ(1U, result.size());
    914     result[0].clear();
    915 }
    916 
    917 TEST_F(AnimationCompositorAnimationsTest, createMultipleKeyframeOpacityAnimationChained)
    918 {
    919     // Animation to convert
    920     RefPtr<KeyframeAnimationEffect> effect = createKeyframeAnimationEffect(
    921         createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(2.0).get(), 0),
    922         createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(-1.0).get(), 0.25),
    923         createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(20.0).get(), 0.5),
    924         createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(5.0).get(), 1.0));
    925 
    926     RefPtr<ChainedTimingFunction> chainedTimingFunction = ChainedTimingFunction::create();
    927     chainedTimingFunction->appendSegment(0.25, m_cubicEaseTimingFunction.get());
    928     chainedTimingFunction->appendSegment(0.5, m_linearTimingFunction.get());
    929     chainedTimingFunction->appendSegment(1.0, m_cubicCustomTimingFunction.get());
    930 
    931     m_timing.timingFunction = chainedTimingFunction;
    932     m_timing.iterationDuration = 2.0;
    933     m_timing.iterationCount = 10;
    934     m_timing.direction = Timing::PlaybackDirectionAlternate;
    935     // --
    936 
    937     WebCompositorSupportMock mockCompositor;
    938 
    939     // Curve is created
    940     blink::WebFloatAnimationCurveMock* mockCurvePtr = new blink::WebFloatAnimationCurveMock();
    941     ExpectationSet usesMockCurve;
    942 
    943     EXPECT_CALL(mockCompositor, createFloatAnimationCurve())
    944         .WillOnce(Return(mockCurvePtr));
    945 
    946     usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(blink::WebFloatKeyframe(0.0, 2.0), blink::WebAnimationCurve::TimingFunctionTypeEase));
    947     usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(blink::WebFloatKeyframe(0.5, -1.0), blink::WebAnimationCurve::TimingFunctionTypeLinear));
    948     usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(blink::WebFloatKeyframe(1.0, 20.0), 1.0, 2.0, 3.0, 4.0));
    949     usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(blink::WebFloatKeyframe(2.0, 5.0)));
    950 
    951     // Animation is created
    952     blink::WebAnimationMock* mockAnimationPtr = new blink::WebAnimationMock(blink::WebAnimation::TargetPropertyOpacity);
    953     ExpectationSet usesMockAnimation;
    954 
    955     usesMockCurve += EXPECT_CALL(mockCompositor, createAnimation(Ref(*mockCurvePtr), blink::WebAnimation::TargetPropertyOpacity, _))
    956         .WillOnce(Return(mockAnimationPtr));
    957 
    958     usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setIterations(10));
    959     usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setTimeOffset(0.0));
    960     usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setAlternatesDirection(true));
    961 
    962     EXPECT_CALL(*mockAnimationPtr, delete_())
    963         .Times(1)
    964         .After(usesMockAnimation);
    965     EXPECT_CALL(*mockCurvePtr, delete_())
    966         .Times(1)
    967         .After(usesMockCurve);
    968 
    969     // Go!
    970     setCompositorForTesting(mockCompositor);
    971     Vector<OwnPtr<blink::WebAnimation> > result;
    972     getAnimationOnCompositor(m_timing, *effect.get(), result);
    973     EXPECT_EQ(1U, result.size());
    974     result[0].clear();
    975 }
    976 
    977 TEST_F(AnimationCompositorAnimationsTest, createReversedOpacityAnimation)
    978 {
    979     // Animation to convert
    980     RefPtr<KeyframeAnimationEffect> effect = createKeyframeAnimationEffect(
    981         createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(2.0).get(), 0),
    982         createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(-1.0).get(), 0.25),
    983         createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(20.0).get(), 0.5),
    984         createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(5.0).get(), 1.0));
    985 
    986     RefPtr<TimingFunction> cubicEasyFlipTimingFunction = CubicBezierTimingFunction::create(0.0, 0.0, 0.0, 1.0);
    987     RefPtr<ChainedTimingFunction> chainedTimingFunction = ChainedTimingFunction::create();
    988     chainedTimingFunction->appendSegment(0.25, CubicBezierTimingFunction::preset(CubicBezierTimingFunction::EaseIn));
    989     chainedTimingFunction->appendSegment(0.5, m_linearTimingFunction.get());
    990     chainedTimingFunction->appendSegment(1.0, cubicEasyFlipTimingFunction.get());
    991 
    992     m_timing.timingFunction = chainedTimingFunction;
    993     m_timing.iterationCount = 10;
    994     m_timing.direction = Timing::PlaybackDirectionAlternateReverse;
    995     // --
    996 
    997     WebCompositorSupportMock mockCompositor;
    998 
    999     // Curve is created
   1000     blink::WebFloatAnimationCurveMock* mockCurvePtr = new blink::WebFloatAnimationCurveMock();
   1001     ExpectationSet usesMockCurve;
   1002 
   1003     EXPECT_CALL(mockCompositor, createFloatAnimationCurve())
   1004         .WillOnce(Return(mockCurvePtr));
   1005 
   1006     usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(blink::WebFloatKeyframe(0.0, 5.0), 1.0, 0.0, 1.0, 1.0));
   1007     usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(blink::WebFloatKeyframe(0.5, 20.0), blink::WebAnimationCurve::TimingFunctionTypeLinear));
   1008     usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(blink::WebFloatKeyframe(0.75, -1.0), blink::WebAnimationCurve::TimingFunctionTypeEaseOut));
   1009     usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(blink::WebFloatKeyframe(1.0, 2.0)));
   1010 
   1011     // Create the animation
   1012     blink::WebAnimationMock* mockAnimationPtr = new blink::WebAnimationMock(blink::WebAnimation::TargetPropertyOpacity);
   1013     ExpectationSet usesMockAnimation;
   1014 
   1015     usesMockCurve += EXPECT_CALL(mockCompositor, createAnimation(Ref(*mockCurvePtr), blink::WebAnimation::TargetPropertyOpacity, _))
   1016         .WillOnce(Return(mockAnimationPtr));
   1017 
   1018     usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setIterations(10));
   1019     usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setTimeOffset(0.0));
   1020     usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setAlternatesDirection(true));
   1021 
   1022     EXPECT_CALL(*mockAnimationPtr, delete_())
   1023         .Times(1)
   1024         .After(usesMockAnimation);
   1025     EXPECT_CALL(*mockCurvePtr, delete_())
   1026         .Times(1)
   1027         .After(usesMockCurve);
   1028 
   1029     // Go!
   1030     setCompositorForTesting(mockCompositor);
   1031     Vector<OwnPtr<blink::WebAnimation> > result;
   1032     getAnimationOnCompositor(m_timing, *effect.get(), result);
   1033     EXPECT_EQ(1U, result.size());
   1034     result[0].clear();
   1035 }
   1036 
   1037 TEST_F(AnimationCompositorAnimationsTest, createReversedOpacityAnimationNegativeStartDelay)
   1038 {
   1039     // Animation to convert
   1040     RefPtr<KeyframeAnimationEffect> effect = createKeyframeAnimationEffect(
   1041         createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(2.0).get(), 0),
   1042         createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(5.0).get(), 1.0));
   1043 
   1044     m_timing.iterationCount = 5.0;
   1045     m_timing.iterationDuration = 1.5;
   1046     m_timing.startDelay = -3;
   1047     m_timing.direction = Timing::PlaybackDirectionAlternateReverse;
   1048     // --
   1049 
   1050     WebCompositorSupportMock mockCompositor;
   1051 
   1052     // Curve is created
   1053     blink::WebFloatAnimationCurveMock* mockCurvePtr = new blink::WebFloatAnimationCurveMock;
   1054     ExpectationSet usesMockCurve;
   1055     EXPECT_CALL(mockCompositor, createFloatAnimationCurve())
   1056         .WillOnce(Return(mockCurvePtr));
   1057 
   1058     usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(blink::WebFloatKeyframe(0.0, 5.0), blink::WebAnimationCurve::TimingFunctionTypeLinear));
   1059     usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(blink::WebFloatKeyframe(1.5, 2.0)));
   1060 
   1061     // Create animation
   1062     blink::WebAnimationMock* mockAnimationPtr = new blink::WebAnimationMock(blink::WebAnimation::TargetPropertyOpacity);
   1063     ExpectationSet usesMockAnimation;
   1064 
   1065     usesMockCurve += EXPECT_CALL(mockCompositor, createAnimation(Ref(*mockCurvePtr), blink::WebAnimation::TargetPropertyOpacity, _))
   1066         .WillOnce(Return(mockAnimationPtr));
   1067 
   1068     usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setIterations(5));
   1069     usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setTimeOffset(3.0));
   1070     usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setAlternatesDirection(true));
   1071 
   1072     EXPECT_CALL(*mockAnimationPtr, delete_())
   1073         .Times(1)
   1074         .After(usesMockAnimation);
   1075     EXPECT_CALL(*mockCurvePtr, delete_())
   1076         .Times(1)
   1077         .After(usesMockCurve);
   1078 
   1079     // Go!
   1080     setCompositorForTesting(mockCompositor);
   1081     Vector<OwnPtr<blink::WebAnimation> > result;
   1082     getAnimationOnCompositor(m_timing, *effect.get(), result);
   1083     EXPECT_EQ(1U, result.size());
   1084     result[0].clear();
   1085 }
   1086 
   1087 
   1088 } // namespace WebCore
   1089