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1 /*
2  * Copyright (C) 2013 Google Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are
6  * met:
7  *
8  *     * Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  *     * Redistributions in binary form must reproduce the above
11  * copyright notice, this list of conditions and the following disclaimer
12  * in the documentation and/or other materials provided with the
13  * distribution.
14  *     * Neither the name of Google Inc. nor the names of its
15  * contributors may be used to endorse or promote products derived from
16  * this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #include "config.h"
32 #include "core/animation/KeyframeEffectModel.h"
33 
34 #include "core/animation/LegacyStyleInterpolation.h"
35 #include "core/animation/animatable/AnimatableLength.h"
36 #include "core/animation/animatable/AnimatableUnknown.h"
37 #include "core/css/CSSPrimitiveValue.h"
38 #include <gtest/gtest.h>
39 
40 using namespace blink;
41 
42 namespace {
43 
44 const double duration = 1.0;
45 
unknownAnimatableValue(double n)46 PassRefPtrWillBeRawPtr<AnimatableValue> unknownAnimatableValue(double n)
47 {
48     return AnimatableUnknown::create(CSSPrimitiveValue::create(n, CSSPrimitiveValue::CSS_UNKNOWN).get());
49 }
50 
pixelAnimatableValue(double n)51 PassRefPtrWillBeRawPtr<AnimatableValue> pixelAnimatableValue(double n)
52 {
53     return AnimatableLength::create(Length(n, Fixed), 1);
54 }
55 
keyframesAtZeroAndOne(PassRefPtrWillBeRawPtr<AnimatableValue> zeroValue,PassRefPtrWillBeRawPtr<AnimatableValue> oneValue)56 AnimatableValueKeyframeVector keyframesAtZeroAndOne(PassRefPtrWillBeRawPtr<AnimatableValue> zeroValue, PassRefPtrWillBeRawPtr<AnimatableValue> oneValue)
57 {
58     AnimatableValueKeyframeVector keyframes(2);
59     keyframes[0] = AnimatableValueKeyframe::create();
60     keyframes[0]->setOffset(0.0);
61     keyframes[0]->setPropertyValue(CSSPropertyLeft, zeroValue.get());
62     keyframes[1] = AnimatableValueKeyframe::create();
63     keyframes[1]->setOffset(1.0);
64     keyframes[1]->setPropertyValue(CSSPropertyLeft, oneValue.get());
65     return keyframes;
66 }
67 
expectProperty(CSSPropertyID property,PassRefPtrWillBeRawPtr<Interpolation> interpolationValue)68 void expectProperty(CSSPropertyID property, PassRefPtrWillBeRawPtr<Interpolation> interpolationValue)
69 {
70     LegacyStyleInterpolation* interpolation = toLegacyStyleInterpolation(interpolationValue.get());
71     ASSERT_EQ(property, interpolation->id());
72 }
73 
expectDoubleValue(double expectedValue,PassRefPtrWillBeRawPtr<Interpolation> interpolationValue)74 void expectDoubleValue(double expectedValue, PassRefPtrWillBeRawPtr<Interpolation> interpolationValue)
75 {
76     LegacyStyleInterpolation* interpolation = toLegacyStyleInterpolation(interpolationValue.get());
77     RefPtrWillBeRawPtr<AnimatableValue> value = interpolation->currentValue();
78 
79     ASSERT_TRUE(value->isLength() || value->isUnknown());
80 
81     double actualValue;
82     if (value->isLength())
83         actualValue = toAnimatableLength(value.get())->length(1, ValueRangeAll).value();
84     else
85         actualValue = toCSSPrimitiveValue(toAnimatableUnknown(value.get())->toCSSValue().get())->getDoubleValue();
86 
87     EXPECT_FLOAT_EQ(static_cast<float>(expectedValue), actualValue);
88 }
89 
findValue(WillBeHeapVector<RefPtrWillBeMember<Interpolation>> & values,CSSPropertyID id)90 Interpolation* findValue(WillBeHeapVector<RefPtrWillBeMember<Interpolation> >& values, CSSPropertyID id)
91 {
92     for (size_t i = 0; i < values.size(); ++i) {
93         LegacyStyleInterpolation* value = toLegacyStyleInterpolation(values.at(i).get());
94         if (value->id() == id)
95             return value;
96     }
97     return 0;
98 }
99 
100 
TEST(AnimationKeyframeEffectModel,BasicOperation)101 TEST(AnimationKeyframeEffectModel, BasicOperation)
102 {
103     AnimatableValueKeyframeVector keyframes = keyframesAtZeroAndOne(unknownAnimatableValue(3.0), unknownAnimatableValue(5.0));
104     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
105     OwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation> > > values = effect->sample(0, 0.6, duration);
106     ASSERT_EQ(1UL, values->size());
107     expectProperty(CSSPropertyLeft, values->at(0));
108     expectDoubleValue(5.0, values->at(0));
109 }
110 
TEST(AnimationKeyframeEffectModel,CompositeReplaceNonInterpolable)111 TEST(AnimationKeyframeEffectModel, CompositeReplaceNonInterpolable)
112 {
113     AnimatableValueKeyframeVector keyframes = keyframesAtZeroAndOne(unknownAnimatableValue(3.0), unknownAnimatableValue(5.0));
114     keyframes[0]->setComposite(AnimationEffect::CompositeReplace);
115     keyframes[1]->setComposite(AnimationEffect::CompositeReplace);
116     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
117     expectDoubleValue(5.0, effect->sample(0, 0.6, duration)->at(0));
118 }
119 
TEST(AnimationKeyframeEffectModel,CompositeReplace)120 TEST(AnimationKeyframeEffectModel, CompositeReplace)
121 {
122     AnimatableValueKeyframeVector keyframes = keyframesAtZeroAndOne(pixelAnimatableValue(3.0), pixelAnimatableValue(5.0));
123     keyframes[0]->setComposite(AnimationEffect::CompositeReplace);
124     keyframes[1]->setComposite(AnimationEffect::CompositeReplace);
125     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
126     expectDoubleValue(3.0 * 0.4 + 5.0 * 0.6, effect->sample(0, 0.6, duration)->at(0));
127 }
128 
129 // FIXME: Re-enable this test once compositing of CompositeAdd is supported.
TEST(AnimationKeyframeEffectModel,DISABLED_CompositeAdd)130 TEST(AnimationKeyframeEffectModel, DISABLED_CompositeAdd)
131 {
132     AnimatableValueKeyframeVector keyframes = keyframesAtZeroAndOne(pixelAnimatableValue(3.0), pixelAnimatableValue(5.0));
133     keyframes[0]->setComposite(AnimationEffect::CompositeAdd);
134     keyframes[1]->setComposite(AnimationEffect::CompositeAdd);
135     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
136     expectDoubleValue((7.0 + 3.0) * 0.4 + (7.0 + 5.0) * 0.6, effect->sample(0, 0.6, duration)->at(0));
137 }
138 
TEST(AnimationKeyframeEffectModel,CompositeEaseIn)139 TEST(AnimationKeyframeEffectModel, CompositeEaseIn)
140 {
141     AnimatableValueKeyframeVector keyframes = keyframesAtZeroAndOne(pixelAnimatableValue(3.0), pixelAnimatableValue(5.0));
142     keyframes[0]->setComposite(AnimationEffect::CompositeReplace);
143     keyframes[0]->setEasing(CubicBezierTimingFunction::preset(CubicBezierTimingFunction::EaseIn));
144     keyframes[1]->setComposite(AnimationEffect::CompositeReplace);
145     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
146     expectDoubleValue(3.8579516, effect->sample(0, 0.6, duration)->at(0));
147     expectDoubleValue(3.8582394, effect->sample(0, 0.6, duration * 100)->at(0));
148 }
149 
TEST(AnimationKeyframeEffectModel,CompositeCubicBezier)150 TEST(AnimationKeyframeEffectModel, CompositeCubicBezier)
151 {
152     AnimatableValueKeyframeVector keyframes = keyframesAtZeroAndOne(pixelAnimatableValue(3.0), pixelAnimatableValue(5.0));
153     keyframes[0]->setComposite(AnimationEffect::CompositeReplace);
154     keyframes[0]->setEasing(CubicBezierTimingFunction::create(0.42, 0, 0.58, 1));
155     keyframes[1]->setComposite(AnimationEffect::CompositeReplace);
156     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
157     expectDoubleValue(4.3363357, effect->sample(0, 0.6, duration)->at(0));
158     expectDoubleValue(4.3362322, effect->sample(0, 0.6, duration * 1000)->at(0));
159 }
160 
TEST(AnimationKeyframeEffectModel,ExtrapolateReplaceNonInterpolable)161 TEST(AnimationKeyframeEffectModel, ExtrapolateReplaceNonInterpolable)
162 {
163     AnimatableValueKeyframeVector keyframes = keyframesAtZeroAndOne(unknownAnimatableValue(3.0), unknownAnimatableValue(5.0));
164     keyframes[0]->setComposite(AnimationEffect::CompositeReplace);
165     keyframes[1]->setComposite(AnimationEffect::CompositeReplace);
166     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
167     expectDoubleValue(5.0, effect->sample(0, 1.6, duration)->at(0));
168 }
169 
TEST(AnimationKeyframeEffectModel,ExtrapolateReplace)170 TEST(AnimationKeyframeEffectModel, ExtrapolateReplace)
171 {
172     AnimatableValueKeyframeVector keyframes = keyframesAtZeroAndOne(pixelAnimatableValue(3.0), pixelAnimatableValue(5.0));
173     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
174     keyframes[0]->setComposite(AnimationEffect::CompositeReplace);
175     keyframes[1]->setComposite(AnimationEffect::CompositeReplace);
176     expectDoubleValue(3.0 * -0.6 + 5.0 * 1.6, effect->sample(0, 1.6, duration)->at(0));
177 }
178 
179 // FIXME: Re-enable this test once compositing of CompositeAdd is supported.
TEST(AnimationKeyframeEffectModel,DISABLED_ExtrapolateAdd)180 TEST(AnimationKeyframeEffectModel, DISABLED_ExtrapolateAdd)
181 {
182     AnimatableValueKeyframeVector keyframes = keyframesAtZeroAndOne(pixelAnimatableValue(3.0), pixelAnimatableValue(5.0));
183     keyframes[0]->setComposite(AnimationEffect::CompositeAdd);
184     keyframes[1]->setComposite(AnimationEffect::CompositeAdd);
185     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
186     expectDoubleValue((7.0 + 3.0) * -0.6 + (7.0 + 5.0) * 1.6, effect->sample(0, 1.6, duration)->at(0));
187 }
188 
TEST(AnimationKeyframeEffectModel,ZeroKeyframes)189 TEST(AnimationKeyframeEffectModel, ZeroKeyframes)
190 {
191     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(AnimatableValueKeyframeVector());
192     EXPECT_TRUE(effect->sample(0, 0.5, duration)->isEmpty());
193 }
194 
195 // FIXME: Re-enable this test once compositing of CompositeAdd is supported.
TEST(AnimationKeyframeEffectModel,DISABLED_SingleKeyframeAtOffsetZero)196 TEST(AnimationKeyframeEffectModel, DISABLED_SingleKeyframeAtOffsetZero)
197 {
198     AnimatableValueKeyframeVector keyframes(1);
199     keyframes[0] = AnimatableValueKeyframe::create();
200     keyframes[0]->setOffset(0.0);
201     keyframes[0]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(3.0).get());
202 
203     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
204     expectDoubleValue(3.0, effect->sample(0, 0.6, duration)->at(0));
205 }
206 
207 // FIXME: Re-enable this test once compositing of CompositeAdd is supported.
TEST(AnimationKeyframeEffectModel,DISABLED_SingleKeyframeAtOffsetOne)208 TEST(AnimationKeyframeEffectModel, DISABLED_SingleKeyframeAtOffsetOne)
209 {
210     AnimatableValueKeyframeVector keyframes(1);
211     keyframes[0] = AnimatableValueKeyframe::create();
212     keyframes[0]->setOffset(1.0);
213     keyframes[0]->setPropertyValue(CSSPropertyLeft, pixelAnimatableValue(5.0).get());
214 
215     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
216     expectDoubleValue(7.0 * 0.4 + 5.0 * 0.6, effect->sample(0, 0.6, duration)->at(0));
217 }
218 
TEST(AnimationKeyframeEffectModel,MoreThanTwoKeyframes)219 TEST(AnimationKeyframeEffectModel, MoreThanTwoKeyframes)
220 {
221     AnimatableValueKeyframeVector keyframes(3);
222     keyframes[0] = AnimatableValueKeyframe::create();
223     keyframes[0]->setOffset(0.0);
224     keyframes[0]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(3.0).get());
225     keyframes[1] = AnimatableValueKeyframe::create();
226     keyframes[1]->setOffset(0.5);
227     keyframes[1]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(4.0).get());
228     keyframes[2] = AnimatableValueKeyframe::create();
229     keyframes[2]->setOffset(1.0);
230     keyframes[2]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(5.0).get());
231 
232     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
233     expectDoubleValue(4.0, effect->sample(0, 0.3, duration)->at(0));
234     expectDoubleValue(5.0, effect->sample(0, 0.8, duration)->at(0));
235 }
236 
TEST(AnimationKeyframeEffectModel,EndKeyframeOffsetsUnspecified)237 TEST(AnimationKeyframeEffectModel, EndKeyframeOffsetsUnspecified)
238 {
239     AnimatableValueKeyframeVector keyframes(3);
240     keyframes[0] = AnimatableValueKeyframe::create();
241     keyframes[0]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(3.0).get());
242     keyframes[1] = AnimatableValueKeyframe::create();
243     keyframes[1]->setOffset(0.5);
244     keyframes[1]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(4.0).get());
245     keyframes[2] = AnimatableValueKeyframe::create();
246     keyframes[2]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(5.0).get());
247 
248     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
249     expectDoubleValue(3.0, effect->sample(0, 0.1, duration)->at(0));
250     expectDoubleValue(4.0, effect->sample(0, 0.6, duration)->at(0));
251     expectDoubleValue(5.0, effect->sample(0, 0.9, duration)->at(0));
252 }
253 
TEST(AnimationKeyframeEffectModel,SampleOnKeyframe)254 TEST(AnimationKeyframeEffectModel, SampleOnKeyframe)
255 {
256     AnimatableValueKeyframeVector keyframes(3);
257     keyframes[0] = AnimatableValueKeyframe::create();
258     keyframes[0]->setOffset(0.0);
259     keyframes[0]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(3.0).get());
260     keyframes[1] = AnimatableValueKeyframe::create();
261     keyframes[1]->setOffset(0.5);
262     keyframes[1]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(4.0).get());
263     keyframes[2] = AnimatableValueKeyframe::create();
264     keyframes[2]->setOffset(1.0);
265     keyframes[2]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(5.0).get());
266 
267     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
268     expectDoubleValue(3.0, effect->sample(0, 0.0, duration)->at(0));
269     expectDoubleValue(4.0, effect->sample(0, 0.5, duration)->at(0));
270     expectDoubleValue(5.0, effect->sample(0, 1.0, duration)->at(0));
271 }
272 
TEST(AnimationKeyframeEffectModel,MultipleKeyframesWithSameOffset)273 TEST(AnimationKeyframeEffectModel, MultipleKeyframesWithSameOffset)
274 {
275     AnimatableValueKeyframeVector keyframes(9);
276     keyframes[0] = AnimatableValueKeyframe::create();
277     keyframes[0]->setOffset(0.0);
278     keyframes[0]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(0.0).get());
279     keyframes[1] = AnimatableValueKeyframe::create();
280     keyframes[1]->setOffset(0.1);
281     keyframes[1]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(1.0).get());
282     keyframes[2] = AnimatableValueKeyframe::create();
283     keyframes[2]->setOffset(0.1);
284     keyframes[2]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(2.0).get());
285     keyframes[3] = AnimatableValueKeyframe::create();
286     keyframes[3]->setOffset(0.5);
287     keyframes[3]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(3.0).get());
288     keyframes[4] = AnimatableValueKeyframe::create();
289     keyframes[4]->setOffset(0.5);
290     keyframes[4]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(4.0).get());
291     keyframes[5] = AnimatableValueKeyframe::create();
292     keyframes[5]->setOffset(0.5);
293     keyframes[5]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(5.0).get());
294     keyframes[6] = AnimatableValueKeyframe::create();
295     keyframes[6]->setOffset(0.9);
296     keyframes[6]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(6.0).get());
297     keyframes[7] = AnimatableValueKeyframe::create();
298     keyframes[7]->setOffset(0.9);
299     keyframes[7]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(7.0).get());
300     keyframes[8] = AnimatableValueKeyframe::create();
301     keyframes[8]->setOffset(1.0);
302     keyframes[8]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(7.0).get());
303 
304     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
305     expectDoubleValue(0.0, effect->sample(0, 0.0, duration)->at(0));
306     expectDoubleValue(2.0, effect->sample(0, 0.2, duration)->at(0));
307     expectDoubleValue(3.0, effect->sample(0, 0.4, duration)->at(0));
308     expectDoubleValue(5.0, effect->sample(0, 0.5, duration)->at(0));
309     expectDoubleValue(5.0, effect->sample(0, 0.6, duration)->at(0));
310     expectDoubleValue(6.0, effect->sample(0, 0.8, duration)->at(0));
311     expectDoubleValue(7.0, effect->sample(0, 1.0, duration)->at(0));
312 }
313 
314 // FIXME: Re-enable this test once compositing of CompositeAdd is supported.
TEST(AnimationKeyframeEffectModel,DISABLED_PerKeyframeComposite)315 TEST(AnimationKeyframeEffectModel, DISABLED_PerKeyframeComposite)
316 {
317     AnimatableValueKeyframeVector keyframes(2);
318     keyframes[0] = AnimatableValueKeyframe::create();
319     keyframes[0]->setOffset(0.0);
320     keyframes[0]->setPropertyValue(CSSPropertyLeft, pixelAnimatableValue(3.0).get());
321     keyframes[1] = AnimatableValueKeyframe::create();
322     keyframes[1]->setOffset(1.0);
323     keyframes[1]->setPropertyValue(CSSPropertyLeft, pixelAnimatableValue(5.0).get());
324     keyframes[1]->setComposite(AnimationEffect::CompositeAdd);
325 
326     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
327     expectDoubleValue(3.0 * 0.4 + (7.0 + 5.0) * 0.6, effect->sample(0, 0.6, duration)->at(0));
328 }
329 
TEST(AnimationKeyframeEffectModel,MultipleProperties)330 TEST(AnimationKeyframeEffectModel, MultipleProperties)
331 {
332     AnimatableValueKeyframeVector keyframes(2);
333     keyframes[0] = AnimatableValueKeyframe::create();
334     keyframes[0]->setOffset(0.0);
335     keyframes[0]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(3.0).get());
336     keyframes[0]->setPropertyValue(CSSPropertyRight, unknownAnimatableValue(4.0).get());
337     keyframes[1] = AnimatableValueKeyframe::create();
338     keyframes[1]->setOffset(1.0);
339     keyframes[1]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(5.0).get());
340     keyframes[1]->setPropertyValue(CSSPropertyRight, unknownAnimatableValue(6.0).get());
341 
342     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
343     OwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation> > > values = effect->sample(0, 0.6, duration);
344     EXPECT_EQ(2UL, values->size());
345     Interpolation* leftValue = findValue(*values.get(), CSSPropertyLeft);
346     ASSERT_TRUE(leftValue);
347     expectDoubleValue(5.0, leftValue);
348     Interpolation* rightValue = findValue(*values.get(), CSSPropertyRight);
349     ASSERT_TRUE(rightValue);
350     expectDoubleValue(6.0, rightValue);
351 }
352 
353 // FIXME: Re-enable this test once compositing of CompositeAdd is supported.
TEST(AnimationKeyframeEffectModel,DISABLED_RecompositeCompositableValue)354 TEST(AnimationKeyframeEffectModel, DISABLED_RecompositeCompositableValue)
355 {
356     AnimatableValueKeyframeVector keyframes = keyframesAtZeroAndOne(pixelAnimatableValue(3.0), pixelAnimatableValue(5.0));
357     keyframes[0]->setComposite(AnimationEffect::CompositeAdd);
358     keyframes[1]->setComposite(AnimationEffect::CompositeAdd);
359     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
360     OwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation> > > values = effect->sample(0, 0.6, duration);
361     expectDoubleValue((7.0 + 3.0) * 0.4 + (7.0 + 5.0) * 0.6, values->at(0));
362     expectDoubleValue((9.0 + 3.0) * 0.4 + (9.0 + 5.0) * 0.6, values->at(0));
363 }
364 
TEST(AnimationKeyframeEffectModel,MultipleIterations)365 TEST(AnimationKeyframeEffectModel, MultipleIterations)
366 {
367     AnimatableValueKeyframeVector keyframes = keyframesAtZeroAndOne(pixelAnimatableValue(1.0), pixelAnimatableValue(3.0));
368     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
369     expectDoubleValue(2.0, effect->sample(0, 0.5, duration)->at(0));
370     expectDoubleValue(2.0, effect->sample(1, 0.5, duration)->at(0));
371     expectDoubleValue(2.0, effect->sample(2, 0.5, duration)->at(0));
372 }
373 
374 // FIXME: Re-enable this test once compositing of CompositeAdd is supported.
TEST(AnimationKeyframeEffectModel,DISABLED_DependsOnUnderlyingValue)375 TEST(AnimationKeyframeEffectModel, DISABLED_DependsOnUnderlyingValue)
376 {
377     AnimatableValueKeyframeVector keyframes(3);
378     keyframes[0] = AnimatableValueKeyframe::create();
379     keyframes[0]->setOffset(0.0);
380     keyframes[0]->setPropertyValue(CSSPropertyLeft, pixelAnimatableValue(1.0).get());
381     keyframes[0]->setComposite(AnimationEffect::CompositeAdd);
382     keyframes[1] = AnimatableValueKeyframe::create();
383     keyframes[1]->setOffset(0.5);
384     keyframes[1]->setPropertyValue(CSSPropertyLeft, pixelAnimatableValue(1.0).get());
385     keyframes[2] = AnimatableValueKeyframe::create();
386     keyframes[2]->setOffset(1.0);
387     keyframes[2]->setPropertyValue(CSSPropertyLeft, pixelAnimatableValue(1.0).get());
388 
389     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
390     EXPECT_TRUE(effect->sample(0, 0, duration)->at(0));
391     EXPECT_TRUE(effect->sample(0, 0.1, duration)->at(0));
392     EXPECT_TRUE(effect->sample(0, 0.25, duration)->at(0));
393     EXPECT_TRUE(effect->sample(0, 0.4, duration)->at(0));
394     EXPECT_FALSE(effect->sample(0, 0.5, duration)->at(0));
395     EXPECT_FALSE(effect->sample(0, 0.6, duration)->at(0));
396     EXPECT_FALSE(effect->sample(0, 0.75, duration)->at(0));
397     EXPECT_FALSE(effect->sample(0, 0.8, duration)->at(0));
398     EXPECT_FALSE(effect->sample(0, 1, duration)->at(0));
399 }
400 
TEST(AnimationKeyframeEffectModel,AddSyntheticKeyframes)401 TEST(AnimationKeyframeEffectModel, AddSyntheticKeyframes)
402 {
403     AnimatableValueKeyframeVector keyframes(1);
404     keyframes[0] = AnimatableValueKeyframe::create();
405     keyframes[0]->setOffset(0.5);
406     keyframes[0]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(4.0).get());
407 
408     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
409     const AnimatableValuePropertySpecificKeyframeVector& propertySpecificKeyframes = effect->getPropertySpecificKeyframes(CSSPropertyLeft);
410     EXPECT_EQ(3U, propertySpecificKeyframes.size());
411     EXPECT_DOUBLE_EQ(0.0, propertySpecificKeyframes[0]->offset());
412     EXPECT_DOUBLE_EQ(0.5, propertySpecificKeyframes[1]->offset());
413     EXPECT_DOUBLE_EQ(1.0, propertySpecificKeyframes[2]->offset());
414 }
415 
TEST(AnimationKeyframeEffectModel,ToKeyframeEffectModel)416 TEST(AnimationKeyframeEffectModel, ToKeyframeEffectModel)
417 {
418     AnimatableValueKeyframeVector keyframes(0);
419     RefPtrWillBeRawPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(keyframes);
420 
421     AnimationEffect* baseEffect = effect.get();
422     EXPECT_TRUE(toAnimatableValueKeyframeEffectModel(baseEffect));
423 }
424 
425 } // namespace
426 
427 namespace blink {
428 
429 class KeyframeEffectModelTest : public ::testing::Test {
430 public:
normalizedKeyframes(const KeyframeVector & keyframes)431     static KeyframeVector normalizedKeyframes(const KeyframeVector& keyframes)
432     {
433         return KeyframeEffectModelBase::normalizedKeyframes(keyframes);
434     }
435 };
436 
TEST_F(KeyframeEffectModelTest,EvenlyDistributed1)437 TEST_F(KeyframeEffectModelTest, EvenlyDistributed1)
438 {
439     KeyframeVector keyframes(5);
440     keyframes[0] = AnimatableValueKeyframe::create();
441     keyframes[0]->setOffset(0.125);
442     keyframes[1] = AnimatableValueKeyframe::create();
443     keyframes[2] = AnimatableValueKeyframe::create();
444     keyframes[3] = AnimatableValueKeyframe::create();
445     keyframes[4] = AnimatableValueKeyframe::create();
446     keyframes[4]->setOffset(0.625);
447 
448     const KeyframeVector result = normalizedKeyframes(keyframes);
449     EXPECT_EQ(5U, result.size());
450     EXPECT_DOUBLE_EQ(0.125, result[0]->offset());
451     EXPECT_DOUBLE_EQ(0.25, result[1]->offset());
452     EXPECT_DOUBLE_EQ(0.375, result[2]->offset());
453     EXPECT_DOUBLE_EQ(0.5, result[3]->offset());
454     EXPECT_DOUBLE_EQ(0.625, result[4]->offset());
455 }
456 
TEST_F(KeyframeEffectModelTest,EvenlyDistributed2)457 TEST_F(KeyframeEffectModelTest, EvenlyDistributed2)
458 {
459     KeyframeVector keyframes(6);
460     keyframes[0] = AnimatableValueKeyframe::create();
461     keyframes[1] = AnimatableValueKeyframe::create();
462     keyframes[2] = AnimatableValueKeyframe::create();
463     keyframes[3] = AnimatableValueKeyframe::create();
464     keyframes[3]->setOffset(0.75);
465     keyframes[4] = AnimatableValueKeyframe::create();
466     keyframes[5] = AnimatableValueKeyframe::create();
467 
468     const KeyframeVector result = normalizedKeyframes(keyframes);
469     EXPECT_EQ(6U, result.size());
470     EXPECT_DOUBLE_EQ(0.0, result[0]->offset());
471     EXPECT_DOUBLE_EQ(0.25, result[1]->offset());
472     EXPECT_DOUBLE_EQ(0.5, result[2]->offset());
473     EXPECT_DOUBLE_EQ(0.75, result[3]->offset());
474     EXPECT_DOUBLE_EQ(0.875, result[4]->offset());
475     EXPECT_DOUBLE_EQ(1.0, result[5]->offset());
476 }
477 
TEST_F(KeyframeEffectModelTest,EvenlyDistributed3)478 TEST_F(KeyframeEffectModelTest, EvenlyDistributed3)
479 {
480     KeyframeVector keyframes(12);
481     keyframes[0] = AnimatableValueKeyframe::create();
482     keyframes[0]->setOffset(0);
483     keyframes[1] = AnimatableValueKeyframe::create();
484     keyframes[2] = AnimatableValueKeyframe::create();
485     keyframes[3] = AnimatableValueKeyframe::create();
486     keyframes[4] = AnimatableValueKeyframe::create();
487     keyframes[4]->setOffset(0.5);
488     keyframes[5] = AnimatableValueKeyframe::create();
489     keyframes[6] = AnimatableValueKeyframe::create();
490     keyframes[7] = AnimatableValueKeyframe::create();
491     keyframes[7]->setOffset(0.8);
492     keyframes[8] = AnimatableValueKeyframe::create();
493     keyframes[9] = AnimatableValueKeyframe::create();
494     keyframes[10] = AnimatableValueKeyframe::create();
495     keyframes[11] = AnimatableValueKeyframe::create();
496 
497     const KeyframeVector result = normalizedKeyframes(keyframes);
498     EXPECT_EQ(12U, result.size());
499     EXPECT_DOUBLE_EQ(0.0, result[0]->offset());
500     EXPECT_DOUBLE_EQ(0.125, result[1]->offset());
501     EXPECT_DOUBLE_EQ(0.25, result[2]->offset());
502     EXPECT_DOUBLE_EQ(0.375, result[3]->offset());
503     EXPECT_DOUBLE_EQ(0.5, result[4]->offset());
504     EXPECT_DOUBLE_EQ(0.6, result[5]->offset());
505     EXPECT_DOUBLE_EQ(0.7, result[6]->offset());
506     EXPECT_DOUBLE_EQ(0.8, result[7]->offset());
507     EXPECT_DOUBLE_EQ(0.85, result[8]->offset());
508     EXPECT_DOUBLE_EQ(0.9, result[9]->offset());
509     EXPECT_DOUBLE_EQ(0.95, result[10]->offset());
510     EXPECT_DOUBLE_EQ(1.0, result[11]->offset());
511 }
512 
513 } // namespace blink
514