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/KeyframeAnimationEffect.h" 33 34 #include "core/animation/AnimatableNumber.h" 35 #include "core/animation/AnimatableUnknown.h" 36 #include "core/css/CSSPrimitiveValue.h" 37 #include <gtest/gtest.h> 38 39 using namespace WebCore; 40 41 namespace { 42 43 AnimatableValue* unknownAnimatableValue(double n) 44 { 45 return AnimatableUnknown::create(CSSPrimitiveValue::create(n, CSSPrimitiveValue::CSS_UNKNOWN).get()).leakRef(); 46 } 47 48 AnimatableValue* pixelAnimatableValue(double n) 49 { 50 return AnimatableNumber::create(CSSPrimitiveValue::create(n, CSSPrimitiveValue::CSS_PX).get()).leakRef(); 51 } 52 53 KeyframeAnimationEffect::KeyframeVector keyframesAtZeroAndOne(AnimatableValue* zeroValue, AnimatableValue* oneValue) 54 { 55 KeyframeAnimationEffect::KeyframeVector keyframes(2); 56 keyframes[0] = Keyframe::create(); 57 keyframes[0]->setOffset(0.0); 58 keyframes[0]->setPropertyValue(CSSPropertyLeft, zeroValue); 59 keyframes[1] = Keyframe::create(); 60 keyframes[1]->setOffset(1.0); 61 keyframes[1]->setPropertyValue(CSSPropertyLeft, oneValue); 62 return keyframes; 63 } 64 65 void expectDoubleValue(double expectedValue, PassRefPtr<AnimatableValue> value) 66 { 67 ASSERT_TRUE(value->isNumber() || value->isUnknown()); 68 69 double actualValue; 70 if (value->isNumber()) 71 actualValue = toCSSPrimitiveValue(toAnimatableNumber(value.get())->toCSSValue().get())->getDoubleValue(); 72 else 73 actualValue = toCSSPrimitiveValue(toAnimatableUnknown(value.get())->toCSSValue().get())->getDoubleValue(); 74 75 EXPECT_FLOAT_EQ(static_cast<float>(expectedValue), actualValue); 76 } 77 78 79 TEST(KeyframeAnimationEffect, BasicOperation) 80 { 81 KeyframeAnimationEffect::KeyframeVector keyframes = keyframesAtZeroAndOne(unknownAnimatableValue(3.0), unknownAnimatableValue(5.0)); 82 RefPtr<KeyframeAnimationEffect> effect = KeyframeAnimationEffect::create(keyframes); 83 OwnPtr<AnimationEffect::CompositableValueMap> values = effect->sample(0, 0.6); 84 ASSERT_EQ(1, values->size()); 85 EXPECT_EQ(CSSPropertyLeft, values->begin()->key); 86 expectDoubleValue(5.0, values->begin()->value->compositeOnto(unknownAnimatableValue(7.0))); 87 } 88 89 TEST(KeyframeAnimationEffect, CompositeReplaceNonInterpolable) 90 { 91 KeyframeAnimationEffect::KeyframeVector keyframes = keyframesAtZeroAndOne(unknownAnimatableValue(3.0), unknownAnimatableValue(5.0)); 92 keyframes[0]->setComposite(AnimationEffect::CompositeReplace); 93 keyframes[1]->setComposite(AnimationEffect::CompositeReplace); 94 RefPtr<KeyframeAnimationEffect> effect = KeyframeAnimationEffect::create(keyframes); 95 expectDoubleValue(5.0, effect->sample(0, 0.6)->begin()->value->compositeOnto(unknownAnimatableValue(7.0))); 96 } 97 98 TEST(KeyframeAnimationEffect, CompositeReplace) 99 { 100 KeyframeAnimationEffect::KeyframeVector keyframes = keyframesAtZeroAndOne(pixelAnimatableValue(3.0), pixelAnimatableValue(5.0)); 101 keyframes[0]->setComposite(AnimationEffect::CompositeReplace); 102 keyframes[1]->setComposite(AnimationEffect::CompositeReplace); 103 RefPtr<KeyframeAnimationEffect> effect = KeyframeAnimationEffect::create(keyframes); 104 expectDoubleValue(3.0 * 0.4 + 5.0 * 0.6, effect->sample(0, 0.6)->begin()->value->compositeOnto(unknownAnimatableValue(7.0))); 105 } 106 107 TEST(KeyframeAnimationEffect, CompositeAdd) 108 { 109 KeyframeAnimationEffect::KeyframeVector keyframes = keyframesAtZeroAndOne(pixelAnimatableValue(3.0), pixelAnimatableValue(5.0)); 110 keyframes[0]->setComposite(AnimationEffect::CompositeAdd); 111 keyframes[1]->setComposite(AnimationEffect::CompositeAdd); 112 RefPtr<KeyframeAnimationEffect> effect = KeyframeAnimationEffect::create(keyframes); 113 expectDoubleValue((7.0 + 3.0) * 0.4 + (7.0 + 5.0) * 0.6, effect->sample(0, 0.6)->begin()->value->compositeOnto(pixelAnimatableValue(7.0))); 114 } 115 116 TEST(KeyframeAnimationEffect, ExtrapolateReplaceNonInterpolable) 117 { 118 KeyframeAnimationEffect::KeyframeVector keyframes = keyframesAtZeroAndOne(unknownAnimatableValue(3.0), unknownAnimatableValue(5.0)); 119 RefPtr<KeyframeAnimationEffect> effect = KeyframeAnimationEffect::create(keyframes); 120 keyframes[0]->setComposite(AnimationEffect::CompositeReplace); 121 keyframes[1]->setComposite(AnimationEffect::CompositeReplace); 122 expectDoubleValue(5.0, effect->sample(0, 1.6)->begin()->value->compositeOnto(unknownAnimatableValue(7.0))); 123 } 124 125 TEST(KeyframeAnimationEffect, ExtrapolateReplace) 126 { 127 KeyframeAnimationEffect::KeyframeVector keyframes = keyframesAtZeroAndOne(pixelAnimatableValue(3.0), pixelAnimatableValue(5.0)); 128 RefPtr<KeyframeAnimationEffect> effect = KeyframeAnimationEffect::create(keyframes); 129 keyframes[0]->setComposite(AnimationEffect::CompositeReplace); 130 keyframes[1]->setComposite(AnimationEffect::CompositeReplace); 131 expectDoubleValue(3.0 * -0.6 + 5.0 * 1.6, effect->sample(0, 1.6)->begin()->value->compositeOnto(pixelAnimatableValue(7.0))); 132 } 133 134 TEST(KeyframeAnimationEffect, ExtrapolateAdd) 135 { 136 KeyframeAnimationEffect::KeyframeVector keyframes = keyframesAtZeroAndOne(pixelAnimatableValue(3.0), pixelAnimatableValue(5.0)); 137 keyframes[0]->setComposite(AnimationEffect::CompositeAdd); 138 keyframes[1]->setComposite(AnimationEffect::CompositeAdd); 139 RefPtr<KeyframeAnimationEffect> effect = KeyframeAnimationEffect::create(keyframes); 140 expectDoubleValue((7.0 + 3.0) * -0.6 + (7.0 + 5.0) * 1.6, effect->sample(0, 1.6)->begin()->value->compositeOnto(pixelAnimatableValue(7.0))); 141 } 142 143 TEST(KeyframeAnimationEffect, ZeroKeyframes) 144 { 145 RefPtr<KeyframeAnimationEffect> effect = KeyframeAnimationEffect::create(KeyframeAnimationEffect::KeyframeVector()); 146 EXPECT_TRUE(effect->sample(0, 0.5)->isEmpty()); 147 } 148 149 TEST(KeyframeAnimationEffect, SingleKeyframeAtOffsetZero) 150 { 151 KeyframeAnimationEffect::KeyframeVector keyframes(1); 152 keyframes[0] = Keyframe::create(); 153 keyframes[0]->setOffset(0.0); 154 keyframes[0]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(3.0)); 155 156 RefPtr<KeyframeAnimationEffect> effect = KeyframeAnimationEffect::create(keyframes); 157 expectDoubleValue(3.0, effect->sample(0, 0.6)->begin()->value->compositeOnto(unknownAnimatableValue(7.0))); 158 } 159 160 TEST(KeyframeAnimationEffect, SingleKeyframeAtOffsetOne) 161 { 162 KeyframeAnimationEffect::KeyframeVector keyframes(1); 163 keyframes[0] = Keyframe::create(); 164 keyframes[0]->setOffset(1.0); 165 keyframes[0]->setPropertyValue(CSSPropertyLeft, pixelAnimatableValue(5.0)); 166 167 RefPtr<KeyframeAnimationEffect> effect = KeyframeAnimationEffect::create(keyframes); 168 expectDoubleValue(7.0 * 0.4 + 5.0 * 0.6, effect->sample(0, 0.6)->begin()->value->compositeOnto(pixelAnimatableValue(7.0))); 169 } 170 171 TEST(KeyframeAnimationEffect, MoreThanTwoKeyframes) 172 { 173 KeyframeAnimationEffect::KeyframeVector keyframes(3); 174 keyframes[0] = Keyframe::create(); 175 keyframes[0]->setOffset(0.0); 176 keyframes[0]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(3.0)); 177 keyframes[1] = Keyframe::create(); 178 keyframes[1]->setOffset(0.5); 179 keyframes[1]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(4.0)); 180 keyframes[2] = Keyframe::create(); 181 keyframes[2]->setOffset(1.0); 182 keyframes[2]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(5.0)); 183 184 RefPtr<KeyframeAnimationEffect> effect = KeyframeAnimationEffect::create(keyframes); 185 expectDoubleValue(4.0, effect->sample(0, 0.3)->begin()->value->compositeOnto(unknownAnimatableValue(7.0))); 186 expectDoubleValue(5.0, effect->sample(0, 0.8)->begin()->value->compositeOnto(unknownAnimatableValue(7.0))); 187 } 188 189 TEST(KeyframeAnimationEffect, EndKeyframeOffsetsUnspecified) 190 { 191 KeyframeAnimationEffect::KeyframeVector keyframes(3); 192 keyframes[0] = Keyframe::create(); 193 keyframes[0]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(3.0)); 194 keyframes[1] = Keyframe::create(); 195 keyframes[1]->setOffset(0.5); 196 keyframes[1]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(4.0)); 197 keyframes[2] = Keyframe::create(); 198 keyframes[2]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(5.0)); 199 200 RefPtr<KeyframeAnimationEffect> effect = KeyframeAnimationEffect::create(keyframes); 201 expectDoubleValue(3.0, effect->sample(0, 0.1)->begin()->value->compositeOnto(unknownAnimatableValue(7.0))); 202 expectDoubleValue(4.0, effect->sample(0, 0.6)->begin()->value->compositeOnto(unknownAnimatableValue(7.0))); 203 expectDoubleValue(5.0, effect->sample(0, 0.9)->begin()->value->compositeOnto(unknownAnimatableValue(7.0))); 204 } 205 206 TEST(KeyframeAnimationEffect, SampleOnKeyframe) 207 { 208 KeyframeAnimationEffect::KeyframeVector keyframes(3); 209 keyframes[0] = Keyframe::create(); 210 keyframes[0]->setOffset(0.0); 211 keyframes[0]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(3.0)); 212 keyframes[1] = Keyframe::create(); 213 keyframes[1]->setOffset(0.5); 214 keyframes[1]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(4.0)); 215 keyframes[2] = Keyframe::create(); 216 keyframes[2]->setOffset(1.0); 217 keyframes[2]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(5.0)); 218 219 RefPtr<KeyframeAnimationEffect> effect = KeyframeAnimationEffect::create(keyframes); 220 expectDoubleValue(3.0, effect->sample(0, 0.0)->begin()->value->compositeOnto(unknownAnimatableValue(7.0))); 221 expectDoubleValue(4.0, effect->sample(0, 0.5)->begin()->value->compositeOnto(unknownAnimatableValue(7.0))); 222 expectDoubleValue(5.0, effect->sample(0, 1.0)->begin()->value->compositeOnto(unknownAnimatableValue(7.0))); 223 } 224 225 // Note that this tests an implementation detail, not behaviour defined by the spec. 226 TEST(KeyframeAnimationEffect, SampleReturnsSameAnimatableValueInstance) 227 { 228 AnimatableValue* threePixelsValue = unknownAnimatableValue(3.0); 229 AnimatableValue* fourPixelsValue = unknownAnimatableValue(4.0); 230 AnimatableValue* fivePixelsValue = unknownAnimatableValue(5.0); 231 232 KeyframeAnimationEffect::KeyframeVector keyframes(3); 233 keyframes[0] = Keyframe::create(); 234 keyframes[0]->setOffset(0.0); 235 keyframes[0]->setPropertyValue(CSSPropertyLeft, threePixelsValue); 236 keyframes[1] = Keyframe::create(); 237 keyframes[1]->setOffset(0.5); 238 keyframes[1]->setPropertyValue(CSSPropertyLeft, fourPixelsValue); 239 keyframes[2] = Keyframe::create(); 240 keyframes[2]->setOffset(1.0); 241 keyframes[2]->setPropertyValue(CSSPropertyLeft, fivePixelsValue); 242 243 RefPtr<KeyframeAnimationEffect> effect = KeyframeAnimationEffect::create(keyframes); 244 EXPECT_EQ(threePixelsValue, effect->sample(0, 0.0)->begin()->value->compositeOnto(unknownAnimatableValue(7.0))); 245 EXPECT_EQ(threePixelsValue, effect->sample(0, 0.1)->begin()->value->compositeOnto(unknownAnimatableValue(7.0))); 246 EXPECT_EQ(fourPixelsValue, effect->sample(0, 0.4)->begin()->value->compositeOnto(unknownAnimatableValue(7.0))); 247 EXPECT_EQ(fourPixelsValue, effect->sample(0, 0.5)->begin()->value->compositeOnto(unknownAnimatableValue(7.0))); 248 EXPECT_EQ(fourPixelsValue, effect->sample(0, 0.6)->begin()->value->compositeOnto(unknownAnimatableValue(7.0))); 249 EXPECT_EQ(fivePixelsValue, effect->sample(0, 0.9)->begin()->value->compositeOnto(unknownAnimatableValue(7.0))); 250 EXPECT_EQ(fivePixelsValue, effect->sample(0, 1.0)->begin()->value->compositeOnto(unknownAnimatableValue(7.0))); 251 } 252 253 TEST(KeyframeAnimationEffect, MultipleKeyframesWithSameOffset) 254 { 255 KeyframeAnimationEffect::KeyframeVector keyframes(7); 256 keyframes[0] = Keyframe::create(); 257 keyframes[0]->setOffset(0.1); 258 keyframes[0]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(1.0)); 259 keyframes[1] = Keyframe::create(); 260 keyframes[1]->setOffset(0.1); 261 keyframes[1]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(2.0)); 262 keyframes[2] = Keyframe::create(); 263 keyframes[2]->setOffset(0.5); 264 keyframes[2]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(3.0)); 265 keyframes[3] = Keyframe::create(); 266 keyframes[3]->setOffset(0.5); 267 keyframes[3]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(4.0)); 268 keyframes[4] = Keyframe::create(); 269 keyframes[4]->setOffset(0.5); 270 keyframes[4]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(5.0)); 271 keyframes[5] = Keyframe::create(); 272 keyframes[5]->setOffset(0.9); 273 keyframes[5]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(6.0)); 274 keyframes[6] = Keyframe::create(); 275 keyframes[6]->setOffset(0.9); 276 keyframes[6]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(7.0)); 277 278 RefPtr<KeyframeAnimationEffect> effect = KeyframeAnimationEffect::create(keyframes); 279 expectDoubleValue(2.0, effect->sample(0, 0.0)->begin()->value->compositeOnto(unknownAnimatableValue(8.0))); 280 expectDoubleValue(2.0, effect->sample(0, 0.2)->begin()->value->compositeOnto(unknownAnimatableValue(8.0))); 281 expectDoubleValue(3.0, effect->sample(0, 0.4)->begin()->value->compositeOnto(unknownAnimatableValue(8.0))); 282 expectDoubleValue(5.0, effect->sample(0, 0.5)->begin()->value->compositeOnto(unknownAnimatableValue(8.0))); 283 expectDoubleValue(5.0, effect->sample(0, 0.6)->begin()->value->compositeOnto(unknownAnimatableValue(8.0))); 284 expectDoubleValue(6.0, effect->sample(0, 0.8)->begin()->value->compositeOnto(unknownAnimatableValue(8.0))); 285 expectDoubleValue(6.0, effect->sample(0, 1.0)->begin()->value->compositeOnto(unknownAnimatableValue(8.0))); 286 } 287 288 TEST(KeyframeAnimationEffect, PerKeyframeComposite) 289 { 290 KeyframeAnimationEffect::KeyframeVector keyframes(2); 291 keyframes[0] = Keyframe::create(); 292 keyframes[0]->setOffset(0.0); 293 keyframes[0]->setPropertyValue(CSSPropertyLeft, pixelAnimatableValue(3.0)); 294 keyframes[1] = Keyframe::create(); 295 keyframes[1]->setOffset(1.0); 296 keyframes[1]->setPropertyValue(CSSPropertyLeft, pixelAnimatableValue(5.0)); 297 keyframes[1]->setComposite(AnimationEffect::CompositeAdd); 298 299 RefPtr<KeyframeAnimationEffect> effect = KeyframeAnimationEffect::create(keyframes); 300 expectDoubleValue(3.0 * 0.4 + (7.0 + 5.0) * 0.6, effect->sample(0, 0.6)->begin()->value->compositeOnto(pixelAnimatableValue(7.0))); 301 } 302 303 TEST(KeyframeAnimationEffect, MultipleProperties) 304 { 305 KeyframeAnimationEffect::KeyframeVector keyframes(2); 306 keyframes[0] = Keyframe::create(); 307 keyframes[0]->setOffset(0.0); 308 keyframes[0]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(3.0)); 309 keyframes[0]->setPropertyValue(CSSPropertyRight, unknownAnimatableValue(4.0)); 310 keyframes[1] = Keyframe::create(); 311 keyframes[1]->setOffset(1.0); 312 keyframes[1]->setPropertyValue(CSSPropertyLeft, unknownAnimatableValue(5.0)); 313 keyframes[1]->setPropertyValue(CSSPropertyRight, unknownAnimatableValue(6.0)); 314 315 RefPtr<KeyframeAnimationEffect> effect = KeyframeAnimationEffect::create(keyframes); 316 OwnPtr<AnimationEffect::CompositableValueMap> values = effect->sample(0, 0.6); 317 ASSERT_EQ(2, values->size()); 318 ASSERT_TRUE(values->contains(CSSPropertyLeft)); 319 expectDoubleValue(5.0, values->get(CSSPropertyLeft)->compositeOnto(unknownAnimatableValue(7.0))); 320 ASSERT_TRUE(values->contains(CSSPropertyRight)); 321 expectDoubleValue(6.0, values->get(CSSPropertyRight)->compositeOnto(unknownAnimatableValue(7.0))); 322 } 323 324 TEST(KeyframeAnimationEffect, RecompositeCompositableValue) 325 { 326 KeyframeAnimationEffect::KeyframeVector keyframes = keyframesAtZeroAndOne(pixelAnimatableValue(3.0), pixelAnimatableValue(5.0)); 327 keyframes[0]->setComposite(AnimationEffect::CompositeAdd); 328 keyframes[1]->setComposite(AnimationEffect::CompositeAdd); 329 RefPtr<KeyframeAnimationEffect> effect = KeyframeAnimationEffect::create(keyframes); 330 OwnPtr<AnimationEffect::CompositableValueMap> values = effect->sample(0, 0.6); 331 expectDoubleValue((7.0 + 3.0) * 0.4 + (7.0 + 5.0) * 0.6, values->begin()->value->compositeOnto(pixelAnimatableValue(7.0))); 332 expectDoubleValue((9.0 + 3.0) * 0.4 + (9.0 + 5.0) * 0.6, values->begin()->value->compositeOnto(pixelAnimatableValue(9.0))); 333 } 334 335 TEST(KeyframeAnimationEffect, MultipleIterations) 336 { 337 KeyframeAnimationEffect::KeyframeVector keyframes = keyframesAtZeroAndOne(pixelAnimatableValue(1.0), pixelAnimatableValue(3.0)); 338 RefPtr<KeyframeAnimationEffect> effect = KeyframeAnimationEffect::create(keyframes); 339 expectDoubleValue(2.0, effect->sample(0, 0.5)->begin()->value->compositeOnto(unknownAnimatableValue(0.0))); 340 expectDoubleValue(2.0, effect->sample(1, 0.5)->begin()->value->compositeOnto(unknownAnimatableValue(0.0))); 341 expectDoubleValue(2.0, effect->sample(2, 0.5)->begin()->value->compositeOnto(unknownAnimatableValue(0.0))); 342 } 343 344 TEST(KeyframeAnimationEffect, DependsOnUnderlyingValue) 345 { 346 KeyframeAnimationEffect::KeyframeVector keyframes(3); 347 keyframes[0] = Keyframe::create(); 348 keyframes[0]->setOffset(0.0); 349 keyframes[0]->setPropertyValue(CSSPropertyLeft, pixelAnimatableValue(1.0)); 350 keyframes[0]->setComposite(AnimationEffect::CompositeAdd); 351 keyframes[1] = Keyframe::create(); 352 keyframes[1]->setOffset(0.5); 353 keyframes[1]->setPropertyValue(CSSPropertyLeft, pixelAnimatableValue(1.0)); 354 keyframes[2] = Keyframe::create(); 355 keyframes[2]->setOffset(1.0); 356 keyframes[2]->setPropertyValue(CSSPropertyLeft, pixelAnimatableValue(1.0)); 357 358 RefPtr<KeyframeAnimationEffect> effect = KeyframeAnimationEffect::create(keyframes); 359 EXPECT_TRUE(effect->sample(0, 0)->begin()->value->dependsOnUnderlyingValue()); 360 EXPECT_TRUE(effect->sample(0, 0.1)->begin()->value->dependsOnUnderlyingValue()); 361 EXPECT_TRUE(effect->sample(0, 0.25)->begin()->value->dependsOnUnderlyingValue()); 362 EXPECT_TRUE(effect->sample(0, 0.4)->begin()->value->dependsOnUnderlyingValue()); 363 EXPECT_FALSE(effect->sample(0, 0.5)->begin()->value->dependsOnUnderlyingValue()); 364 EXPECT_FALSE(effect->sample(0, 0.6)->begin()->value->dependsOnUnderlyingValue()); 365 EXPECT_FALSE(effect->sample(0, 0.75)->begin()->value->dependsOnUnderlyingValue()); 366 EXPECT_FALSE(effect->sample(0, 0.8)->begin()->value->dependsOnUnderlyingValue()); 367 EXPECT_FALSE(effect->sample(0, 1)->begin()->value->dependsOnUnderlyingValue()); 368 } 369 370 } // namespace 371
