1 // Copyright 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "cc/animation/keyframed_animation_curve.h" 6 7 #include "cc/animation/transform_operations.h" 8 #include "testing/gmock/include/gmock/gmock.h" 9 #include "testing/gtest/include/gtest/gtest.h" 10 #include "ui/gfx/animation/tween.h" 11 #include "ui/gfx/box_f.h" 12 #include "ui/gfx/test/color_util.h" 13 14 namespace cc { 15 namespace { 16 17 void ExpectTranslateX(SkMScalar translate_x, const gfx::Transform& transform) { 18 EXPECT_FLOAT_EQ(translate_x, transform.matrix().get(0, 3)); 19 } 20 21 void ExpectBrightness(double brightness, const FilterOperations& filter) { 22 EXPECT_EQ(1u, filter.size()); 23 EXPECT_EQ(FilterOperation::BRIGHTNESS, filter.at(0).type()); 24 EXPECT_FLOAT_EQ(brightness, filter.at(0).amount()); 25 } 26 27 // Tests that a color animation with one keyframe works as expected. 28 TEST(KeyframedAnimationCurveTest, OneColorKeyFrame) { 29 SkColor color = SkColorSetARGB(255, 255, 255, 255); 30 scoped_ptr<KeyframedColorAnimationCurve> curve( 31 KeyframedColorAnimationCurve::Create()); 32 curve->AddKeyframe( 33 ColorKeyframe::Create(0.0, color, scoped_ptr<TimingFunction>())); 34 35 EXPECT_SKCOLOR_EQ(color, curve->GetValue(-1.f)); 36 EXPECT_SKCOLOR_EQ(color, curve->GetValue(0.f)); 37 EXPECT_SKCOLOR_EQ(color, curve->GetValue(0.5f)); 38 EXPECT_SKCOLOR_EQ(color, curve->GetValue(1.f)); 39 EXPECT_SKCOLOR_EQ(color, curve->GetValue(2.f)); 40 } 41 42 // Tests that a color animation with two keyframes works as expected. 43 TEST(KeyframedAnimationCurveTest, TwoColorKeyFrame) { 44 SkColor color_a = SkColorSetARGB(255, 255, 0, 0); 45 SkColor color_b = SkColorSetARGB(255, 0, 255, 0); 46 SkColor color_midpoint = gfx::Tween::ColorValueBetween(0.5, color_a, color_b); 47 scoped_ptr<KeyframedColorAnimationCurve> curve( 48 KeyframedColorAnimationCurve::Create()); 49 curve->AddKeyframe( 50 ColorKeyframe::Create(0.0, color_a, scoped_ptr<TimingFunction>())); 51 curve->AddKeyframe( 52 ColorKeyframe::Create(1.0, color_b, scoped_ptr<TimingFunction>())); 53 54 EXPECT_SKCOLOR_EQ(color_a, curve->GetValue(-1.f)); 55 EXPECT_SKCOLOR_EQ(color_a, curve->GetValue(0.f)); 56 EXPECT_SKCOLOR_EQ(color_midpoint, curve->GetValue(0.5f)); 57 EXPECT_SKCOLOR_EQ(color_b, curve->GetValue(1.f)); 58 EXPECT_SKCOLOR_EQ(color_b, curve->GetValue(2.f)); 59 } 60 61 // Tests that a color animation with three keyframes works as expected. 62 TEST(KeyframedAnimationCurveTest, ThreeColorKeyFrame) { 63 SkColor color_a = SkColorSetARGB(255, 255, 0, 0); 64 SkColor color_b = SkColorSetARGB(255, 0, 255, 0); 65 SkColor color_c = SkColorSetARGB(255, 0, 0, 255); 66 SkColor color_midpoint1 = 67 gfx::Tween::ColorValueBetween(0.5, color_a, color_b); 68 SkColor color_midpoint2 = 69 gfx::Tween::ColorValueBetween(0.5, color_b, color_c); 70 scoped_ptr<KeyframedColorAnimationCurve> curve( 71 KeyframedColorAnimationCurve::Create()); 72 curve->AddKeyframe( 73 ColorKeyframe::Create(0.0, color_a, scoped_ptr<TimingFunction>())); 74 curve->AddKeyframe( 75 ColorKeyframe::Create(1.0, color_b, scoped_ptr<TimingFunction>())); 76 curve->AddKeyframe( 77 ColorKeyframe::Create(2.0, color_c, scoped_ptr<TimingFunction>())); 78 79 EXPECT_SKCOLOR_EQ(color_a, curve->GetValue(-1.f)); 80 EXPECT_SKCOLOR_EQ(color_a, curve->GetValue(0.f)); 81 EXPECT_SKCOLOR_EQ(color_midpoint1, curve->GetValue(0.5f)); 82 EXPECT_SKCOLOR_EQ(color_b, curve->GetValue(1.f)); 83 EXPECT_SKCOLOR_EQ(color_midpoint2, curve->GetValue(1.5f)); 84 EXPECT_SKCOLOR_EQ(color_c, curve->GetValue(2.f)); 85 EXPECT_SKCOLOR_EQ(color_c, curve->GetValue(3.f)); 86 } 87 88 // Tests that a colro animation with multiple keys at a given time works sanely. 89 TEST(KeyframedAnimationCurveTest, RepeatedColorKeyFrame) { 90 SkColor color_a = SkColorSetARGB(255, 64, 0, 0); 91 SkColor color_b = SkColorSetARGB(255, 192, 0, 0); 92 93 scoped_ptr<KeyframedColorAnimationCurve> curve( 94 KeyframedColorAnimationCurve::Create()); 95 curve->AddKeyframe( 96 ColorKeyframe::Create(0.0, color_a, scoped_ptr<TimingFunction>())); 97 curve->AddKeyframe( 98 ColorKeyframe::Create(1.0, color_a, scoped_ptr<TimingFunction>())); 99 curve->AddKeyframe( 100 ColorKeyframe::Create(1.0, color_b, scoped_ptr<TimingFunction>())); 101 curve->AddKeyframe( 102 ColorKeyframe::Create(2.0, color_b, scoped_ptr<TimingFunction>())); 103 104 EXPECT_SKCOLOR_EQ(color_a, curve->GetValue(-1.f)); 105 EXPECT_SKCOLOR_EQ(color_a, curve->GetValue(0.f)); 106 EXPECT_SKCOLOR_EQ(color_a, curve->GetValue(0.5f)); 107 108 SkColor value = curve->GetValue(1.0f); 109 EXPECT_EQ(255u, SkColorGetA(value)); 110 int red_value = SkColorGetR(value); 111 EXPECT_LE(64, red_value); 112 EXPECT_GE(192, red_value); 113 114 EXPECT_SKCOLOR_EQ(color_b, curve->GetValue(1.5f)); 115 EXPECT_SKCOLOR_EQ(color_b, curve->GetValue(2.f)); 116 EXPECT_SKCOLOR_EQ(color_b, curve->GetValue(3.f)); 117 } 118 119 // Tests that a float animation with one keyframe works as expected. 120 TEST(KeyframedAnimationCurveTest, OneFloatKeyframe) { 121 scoped_ptr<KeyframedFloatAnimationCurve> curve( 122 KeyframedFloatAnimationCurve::Create()); 123 curve->AddKeyframe( 124 FloatKeyframe::Create(0.0, 2.f, scoped_ptr<TimingFunction>())); 125 EXPECT_FLOAT_EQ(2.f, curve->GetValue(-1.f)); 126 EXPECT_FLOAT_EQ(2.f, curve->GetValue(0.f)); 127 EXPECT_FLOAT_EQ(2.f, curve->GetValue(0.5f)); 128 EXPECT_FLOAT_EQ(2.f, curve->GetValue(1.f)); 129 EXPECT_FLOAT_EQ(2.f, curve->GetValue(2.f)); 130 } 131 132 // Tests that a float animation with two keyframes works as expected. 133 TEST(KeyframedAnimationCurveTest, TwoFloatKeyframe) { 134 scoped_ptr<KeyframedFloatAnimationCurve> curve( 135 KeyframedFloatAnimationCurve::Create()); 136 curve->AddKeyframe( 137 FloatKeyframe::Create(0.0, 2.f, scoped_ptr<TimingFunction>())); 138 curve->AddKeyframe( 139 FloatKeyframe::Create(1.0, 4.f, scoped_ptr<TimingFunction>())); 140 EXPECT_FLOAT_EQ(2.f, curve->GetValue(-1.f)); 141 EXPECT_FLOAT_EQ(2.f, curve->GetValue(0.f)); 142 EXPECT_FLOAT_EQ(3.f, curve->GetValue(0.5f)); 143 EXPECT_FLOAT_EQ(4.f, curve->GetValue(1.f)); 144 EXPECT_FLOAT_EQ(4.f, curve->GetValue(2.f)); 145 } 146 147 // Tests that a float animation with three keyframes works as expected. 148 TEST(KeyframedAnimationCurveTest, ThreeFloatKeyframe) { 149 scoped_ptr<KeyframedFloatAnimationCurve> curve( 150 KeyframedFloatAnimationCurve::Create()); 151 curve->AddKeyframe( 152 FloatKeyframe::Create(0.0, 2.f, scoped_ptr<TimingFunction>())); 153 curve->AddKeyframe( 154 FloatKeyframe::Create(1.0, 4.f, scoped_ptr<TimingFunction>())); 155 curve->AddKeyframe( 156 FloatKeyframe::Create(2.0, 8.f, scoped_ptr<TimingFunction>())); 157 EXPECT_FLOAT_EQ(2.f, curve->GetValue(-1.f)); 158 EXPECT_FLOAT_EQ(2.f, curve->GetValue(0.f)); 159 EXPECT_FLOAT_EQ(3.f, curve->GetValue(0.5f)); 160 EXPECT_FLOAT_EQ(4.f, curve->GetValue(1.f)); 161 EXPECT_FLOAT_EQ(6.f, curve->GetValue(1.5f)); 162 EXPECT_FLOAT_EQ(8.f, curve->GetValue(2.f)); 163 EXPECT_FLOAT_EQ(8.f, curve->GetValue(3.f)); 164 } 165 166 // Tests that a float animation with multiple keys at a given time works sanely. 167 TEST(KeyframedAnimationCurveTest, RepeatedFloatKeyTimes) { 168 scoped_ptr<KeyframedFloatAnimationCurve> curve( 169 KeyframedFloatAnimationCurve::Create()); 170 curve->AddKeyframe( 171 FloatKeyframe::Create(0.0, 4.f, scoped_ptr<TimingFunction>())); 172 curve->AddKeyframe( 173 FloatKeyframe::Create(1.0, 4.f, scoped_ptr<TimingFunction>())); 174 curve->AddKeyframe( 175 FloatKeyframe::Create(1.0, 6.f, scoped_ptr<TimingFunction>())); 176 curve->AddKeyframe( 177 FloatKeyframe::Create(2.0, 6.f, scoped_ptr<TimingFunction>())); 178 179 EXPECT_FLOAT_EQ(4.f, curve->GetValue(-1.f)); 180 EXPECT_FLOAT_EQ(4.f, curve->GetValue(0.f)); 181 EXPECT_FLOAT_EQ(4.f, curve->GetValue(0.5f)); 182 183 // There is a discontinuity at 1. Any value between 4 and 6 is valid. 184 float value = curve->GetValue(1.f); 185 EXPECT_TRUE(value >= 4 && value <= 6); 186 187 EXPECT_FLOAT_EQ(6.f, curve->GetValue(1.5f)); 188 EXPECT_FLOAT_EQ(6.f, curve->GetValue(2.f)); 189 EXPECT_FLOAT_EQ(6.f, curve->GetValue(3.f)); 190 } 191 192 // Tests that a transform animation with one keyframe works as expected. 193 TEST(KeyframedAnimationCurveTest, OneTransformKeyframe) { 194 scoped_ptr<KeyframedTransformAnimationCurve> curve( 195 KeyframedTransformAnimationCurve::Create()); 196 TransformOperations operations; 197 operations.AppendTranslate(2.f, 0.f, 0.f); 198 curve->AddKeyframe( 199 TransformKeyframe::Create(0.f, operations, scoped_ptr<TimingFunction>())); 200 201 ExpectTranslateX(2.f, curve->GetValue(-1.f)); 202 ExpectTranslateX(2.f, curve->GetValue(0.f)); 203 ExpectTranslateX(2.f, curve->GetValue(0.5f)); 204 ExpectTranslateX(2.f, curve->GetValue(1.f)); 205 ExpectTranslateX(2.f, curve->GetValue(2.f)); 206 } 207 208 // Tests that a transform animation with two keyframes works as expected. 209 TEST(KeyframedAnimationCurveTest, TwoTransformKeyframe) { 210 scoped_ptr<KeyframedTransformAnimationCurve> curve( 211 KeyframedTransformAnimationCurve::Create()); 212 TransformOperations operations1; 213 operations1.AppendTranslate(2.f, 0.f, 0.f); 214 TransformOperations operations2; 215 operations2.AppendTranslate(4.f, 0.f, 0.f); 216 217 curve->AddKeyframe(TransformKeyframe::Create( 218 0.f, operations1, scoped_ptr<TimingFunction>())); 219 curve->AddKeyframe(TransformKeyframe::Create( 220 1.f, operations2, scoped_ptr<TimingFunction>())); 221 ExpectTranslateX(2.f, curve->GetValue(-1.f)); 222 ExpectTranslateX(2.f, curve->GetValue(0.f)); 223 ExpectTranslateX(3.f, curve->GetValue(0.5f)); 224 ExpectTranslateX(4.f, curve->GetValue(1.f)); 225 ExpectTranslateX(4.f, curve->GetValue(2.f)); 226 } 227 228 // Tests that a transform animation with three keyframes works as expected. 229 TEST(KeyframedAnimationCurveTest, ThreeTransformKeyframe) { 230 scoped_ptr<KeyframedTransformAnimationCurve> curve( 231 KeyframedTransformAnimationCurve::Create()); 232 TransformOperations operations1; 233 operations1.AppendTranslate(2.f, 0.f, 0.f); 234 TransformOperations operations2; 235 operations2.AppendTranslate(4.f, 0.f, 0.f); 236 TransformOperations operations3; 237 operations3.AppendTranslate(8.f, 0.f, 0.f); 238 curve->AddKeyframe(TransformKeyframe::Create( 239 0.f, operations1, scoped_ptr<TimingFunction>())); 240 curve->AddKeyframe(TransformKeyframe::Create( 241 1.f, operations2, scoped_ptr<TimingFunction>())); 242 curve->AddKeyframe(TransformKeyframe::Create( 243 2.f, operations3, scoped_ptr<TimingFunction>())); 244 ExpectTranslateX(2.f, curve->GetValue(-1.f)); 245 ExpectTranslateX(2.f, curve->GetValue(0.f)); 246 ExpectTranslateX(3.f, curve->GetValue(0.5f)); 247 ExpectTranslateX(4.f, curve->GetValue(1.f)); 248 ExpectTranslateX(6.f, curve->GetValue(1.5f)); 249 ExpectTranslateX(8.f, curve->GetValue(2.f)); 250 ExpectTranslateX(8.f, curve->GetValue(3.f)); 251 } 252 253 // Tests that a transform animation with multiple keys at a given time works 254 // sanely. 255 TEST(KeyframedAnimationCurveTest, RepeatedTransformKeyTimes) { 256 scoped_ptr<KeyframedTransformAnimationCurve> curve( 257 KeyframedTransformAnimationCurve::Create()); 258 // A step function. 259 TransformOperations operations1; 260 operations1.AppendTranslate(4.f, 0.f, 0.f); 261 TransformOperations operations2; 262 operations2.AppendTranslate(4.f, 0.f, 0.f); 263 TransformOperations operations3; 264 operations3.AppendTranslate(6.f, 0.f, 0.f); 265 TransformOperations operations4; 266 operations4.AppendTranslate(6.f, 0.f, 0.f); 267 curve->AddKeyframe(TransformKeyframe::Create( 268 0.f, operations1, scoped_ptr<TimingFunction>())); 269 curve->AddKeyframe(TransformKeyframe::Create( 270 1.f, operations2, scoped_ptr<TimingFunction>())); 271 curve->AddKeyframe(TransformKeyframe::Create( 272 1.f, operations3, scoped_ptr<TimingFunction>())); 273 curve->AddKeyframe(TransformKeyframe::Create( 274 2.f, operations4, scoped_ptr<TimingFunction>())); 275 276 ExpectTranslateX(4.f, curve->GetValue(-1.f)); 277 ExpectTranslateX(4.f, curve->GetValue(0.f)); 278 ExpectTranslateX(4.f, curve->GetValue(0.5f)); 279 280 // There is a discontinuity at 1. Any value between 4 and 6 is valid. 281 gfx::Transform value = curve->GetValue(1.f); 282 EXPECT_GE(value.matrix().get(0, 3), 4.f); 283 EXPECT_LE(value.matrix().get(0, 3), 6.f); 284 285 ExpectTranslateX(6.f, curve->GetValue(1.5f)); 286 ExpectTranslateX(6.f, curve->GetValue(2.f)); 287 ExpectTranslateX(6.f, curve->GetValue(3.f)); 288 } 289 290 // Tests that a filter animation with one keyframe works as expected. 291 TEST(KeyframedAnimationCurveTest, OneFilterKeyframe) { 292 scoped_ptr<KeyframedFilterAnimationCurve> curve( 293 KeyframedFilterAnimationCurve::Create()); 294 FilterOperations operations; 295 operations.Append(FilterOperation::CreateBrightnessFilter(2.f)); 296 curve->AddKeyframe( 297 FilterKeyframe::Create(0.f, operations, scoped_ptr<TimingFunction>())); 298 299 ExpectBrightness(2.f, curve->GetValue(-1.f)); 300 ExpectBrightness(2.f, curve->GetValue(0.f)); 301 ExpectBrightness(2.f, curve->GetValue(0.5f)); 302 ExpectBrightness(2.f, curve->GetValue(1.f)); 303 ExpectBrightness(2.f, curve->GetValue(2.f)); 304 } 305 306 // Tests that a filter animation with two keyframes works as expected. 307 TEST(KeyframedAnimationCurveTest, TwoFilterKeyframe) { 308 scoped_ptr<KeyframedFilterAnimationCurve> curve( 309 KeyframedFilterAnimationCurve::Create()); 310 FilterOperations operations1; 311 operations1.Append(FilterOperation::CreateBrightnessFilter(2.f)); 312 FilterOperations operations2; 313 operations2.Append(FilterOperation::CreateBrightnessFilter(4.f)); 314 315 curve->AddKeyframe(FilterKeyframe::Create( 316 0.f, operations1, scoped_ptr<TimingFunction>())); 317 curve->AddKeyframe(FilterKeyframe::Create( 318 1.f, operations2, scoped_ptr<TimingFunction>())); 319 ExpectBrightness(2.f, curve->GetValue(-1.f)); 320 ExpectBrightness(2.f, curve->GetValue(0.f)); 321 ExpectBrightness(3.f, curve->GetValue(0.5f)); 322 ExpectBrightness(4.f, curve->GetValue(1.f)); 323 ExpectBrightness(4.f, curve->GetValue(2.f)); 324 } 325 326 // Tests that a filter animation with three keyframes works as expected. 327 TEST(KeyframedAnimationCurveTest, ThreeFilterKeyframe) { 328 scoped_ptr<KeyframedFilterAnimationCurve> curve( 329 KeyframedFilterAnimationCurve::Create()); 330 FilterOperations operations1; 331 operations1.Append(FilterOperation::CreateBrightnessFilter(2.f)); 332 FilterOperations operations2; 333 operations2.Append(FilterOperation::CreateBrightnessFilter(4.f)); 334 FilterOperations operations3; 335 operations3.Append(FilterOperation::CreateBrightnessFilter(8.f)); 336 curve->AddKeyframe(FilterKeyframe::Create( 337 0.f, operations1, scoped_ptr<TimingFunction>())); 338 curve->AddKeyframe(FilterKeyframe::Create( 339 1.f, operations2, scoped_ptr<TimingFunction>())); 340 curve->AddKeyframe(FilterKeyframe::Create( 341 2.f, operations3, scoped_ptr<TimingFunction>())); 342 ExpectBrightness(2.f, curve->GetValue(-1.f)); 343 ExpectBrightness(2.f, curve->GetValue(0.f)); 344 ExpectBrightness(3.f, curve->GetValue(0.5f)); 345 ExpectBrightness(4.f, curve->GetValue(1.f)); 346 ExpectBrightness(6.f, curve->GetValue(1.5f)); 347 ExpectBrightness(8.f, curve->GetValue(2.f)); 348 ExpectBrightness(8.f, curve->GetValue(3.f)); 349 } 350 351 // Tests that a filter animation with multiple keys at a given time works 352 // sanely. 353 TEST(KeyframedAnimationCurveTest, RepeatedFilterKeyTimes) { 354 scoped_ptr<KeyframedFilterAnimationCurve> curve( 355 KeyframedFilterAnimationCurve::Create()); 356 // A step function. 357 FilterOperations operations1; 358 operations1.Append(FilterOperation::CreateBrightnessFilter(4.f)); 359 FilterOperations operations2; 360 operations2.Append(FilterOperation::CreateBrightnessFilter(4.f)); 361 FilterOperations operations3; 362 operations3.Append(FilterOperation::CreateBrightnessFilter(6.f)); 363 FilterOperations operations4; 364 operations4.Append(FilterOperation::CreateBrightnessFilter(6.f)); 365 curve->AddKeyframe(FilterKeyframe::Create( 366 0.f, operations1, scoped_ptr<TimingFunction>())); 367 curve->AddKeyframe(FilterKeyframe::Create( 368 1.f, operations2, scoped_ptr<TimingFunction>())); 369 curve->AddKeyframe(FilterKeyframe::Create( 370 1.f, operations3, scoped_ptr<TimingFunction>())); 371 curve->AddKeyframe(FilterKeyframe::Create( 372 2.f, operations4, scoped_ptr<TimingFunction>())); 373 374 ExpectBrightness(4.f, curve->GetValue(-1.f)); 375 ExpectBrightness(4.f, curve->GetValue(0.f)); 376 ExpectBrightness(4.f, curve->GetValue(0.5f)); 377 378 // There is a discontinuity at 1. Any value between 4 and 6 is valid. 379 FilterOperations value = curve->GetValue(1.f); 380 EXPECT_EQ(1u, value.size()); 381 EXPECT_EQ(FilterOperation::BRIGHTNESS, value.at(0).type()); 382 EXPECT_GE(value.at(0).amount(), 4); 383 EXPECT_LE(value.at(0).amount(), 6); 384 385 ExpectBrightness(6.f, curve->GetValue(1.5f)); 386 ExpectBrightness(6.f, curve->GetValue(2.f)); 387 ExpectBrightness(6.f, curve->GetValue(3.f)); 388 } 389 390 // Tests that the keyframes may be added out of order. 391 TEST(KeyframedAnimationCurveTest, UnsortedKeyframes) { 392 scoped_ptr<KeyframedFloatAnimationCurve> curve( 393 KeyframedFloatAnimationCurve::Create()); 394 curve->AddKeyframe( 395 FloatKeyframe::Create(2.0, 8.f, scoped_ptr<TimingFunction>())); 396 curve->AddKeyframe( 397 FloatKeyframe::Create(0.0, 2.f, scoped_ptr<TimingFunction>())); 398 curve->AddKeyframe( 399 FloatKeyframe::Create(1.0, 4.f, scoped_ptr<TimingFunction>())); 400 EXPECT_FLOAT_EQ(2.f, curve->GetValue(-1.f)); 401 EXPECT_FLOAT_EQ(2.f, curve->GetValue(0.f)); 402 EXPECT_FLOAT_EQ(3.f, curve->GetValue(0.5f)); 403 EXPECT_FLOAT_EQ(4.f, curve->GetValue(1.f)); 404 EXPECT_FLOAT_EQ(6.f, curve->GetValue(1.5f)); 405 EXPECT_FLOAT_EQ(8.f, curve->GetValue(2.f)); 406 EXPECT_FLOAT_EQ(8.f, curve->GetValue(3.f)); 407 } 408 409 // Tests that a cubic bezier timing function works as expected. 410 TEST(KeyframedAnimationCurveTest, CubicBezierTimingFunction) { 411 scoped_ptr<KeyframedFloatAnimationCurve> curve( 412 KeyframedFloatAnimationCurve::Create()); 413 curve->AddKeyframe(FloatKeyframe::Create( 414 0.0, 415 0.f, 416 CubicBezierTimingFunction::Create(0.25f, 0.f, 0.75f, 1.f) 417 .PassAs<TimingFunction>())); 418 curve->AddKeyframe( 419 FloatKeyframe::Create(1.0, 1.f, scoped_ptr<TimingFunction>())); 420 421 EXPECT_FLOAT_EQ(0.f, curve->GetValue(0.f)); 422 EXPECT_LT(0.f, curve->GetValue(0.25f)); 423 EXPECT_GT(0.25f, curve->GetValue(0.25f)); 424 EXPECT_NEAR(curve->GetValue(0.5f), 0.5f, 0.00015f); 425 EXPECT_LT(0.75f, curve->GetValue(0.75f)); 426 EXPECT_GT(1.f, curve->GetValue(0.75f)); 427 EXPECT_FLOAT_EQ(1.f, curve->GetValue(1.f)); 428 } 429 430 // Tests that animated bounds are computed as expected. 431 TEST(KeyframedAnimationCurveTest, AnimatedBounds) { 432 scoped_ptr<KeyframedTransformAnimationCurve> curve( 433 KeyframedTransformAnimationCurve::Create()); 434 435 TransformOperations operations1; 436 curve->AddKeyframe(TransformKeyframe::Create( 437 0.0, operations1, scoped_ptr<TimingFunction>())); 438 operations1.AppendTranslate(2.0, 3.0, -1.0); 439 curve->AddKeyframe(TransformKeyframe::Create( 440 0.5, operations1, scoped_ptr<TimingFunction>())); 441 TransformOperations operations2; 442 operations2.AppendTranslate(4.0, 1.0, 2.0); 443 curve->AddKeyframe(TransformKeyframe::Create( 444 1.0, operations2, EaseTimingFunction::Create())); 445 446 gfx::BoxF box(2.f, 3.f, 4.f, 1.f, 3.f, 2.f); 447 gfx::BoxF bounds; 448 449 EXPECT_TRUE(curve->AnimatedBoundsForBox(box, &bounds)); 450 EXPECT_EQ(gfx::BoxF(2.f, 3.f, 3.f, 5.f, 6.f, 5.f).ToString(), 451 bounds.ToString()); 452 } 453 454 } // namespace 455 } // namespace cc 456
