cc/animation/animation_unittest.cc

   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/animation.h"
   6
   7 #include "cc/test/animation_test_common.h"
   8 #include "testing/gmock/include/gmock/gmock.h"
   9 #include "testing/gtest/include/gtest/gtest.h"
  10
  11 namespace cc {
  12 namespace {
  13
  14 using base::TimeDelta;
  15
  16 static base::TimeTicks TicksFromSecondsF(double seconds) {
  17   return base::TimeTicks::FromInternalValue(seconds *
  18                                             base::Time::kMicrosecondsPerSecond);
  19 }
  20
  21 scoped_ptr<Animation> CreateAnimation(double iterations,
  22                                       double duration,
  23                                       double playback_rate) {
  24   scoped_ptr<Animation> to_return(
  25       Animation::Create(make_scoped_ptr(new FakeFloatAnimationCurve(duration)),
  26                         0, 1, Animation::OPACITY));
  27   to_return->set_iterations(iterations);
  28   to_return->set_playback_rate(playback_rate);
  29   return to_return.Pass();
  30 }
  31
  32 scoped_ptr<Animation> CreateAnimation(double iterations, double duration) {
  33   return CreateAnimation(iterations, duration, 1);
  34 }
  35
  36 scoped_ptr<Animation> CreateAnimation(double iterations) {
  37   return CreateAnimation(iterations, 1, 1);
  38 }
  39
  40 TEST(AnimationTest, TrimTimeZeroIterations) {
  41   scoped_ptr<Animation> anim(CreateAnimation(0));
  42   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
  43                    .InSecondsF());
  44   EXPECT_EQ(
  45       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
  46   EXPECT_EQ(
  47       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
  48 }
  49
  50 TEST(AnimationTest, TrimTimeOneIteration) {
  51   scoped_ptr<Animation> anim(CreateAnimation(1));
  52   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
  53                    .InSecondsF());
  54   EXPECT_EQ(
  55       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
  56   EXPECT_EQ(
  57       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
  58   EXPECT_EQ(
  59       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0)).InSecondsF());
  60 }
  61
  62 TEST(AnimationTest, TrimTimeOneHalfIteration) {
  63   scoped_ptr<Animation> anim(CreateAnimation(1.5));
  64   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
  65                      .InSecondsF());
  66   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
  67                      .InSecondsF());
  68   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
  69                      .InSecondsF());
  70   EXPECT_EQ(0.9, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.9))
  71                      .InSecondsF());
  72   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
  73                      .InSecondsF());
  74   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
  75                      .InSecondsF());
  76   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
  77                      .InSecondsF());
  78 }
  79
  80 TEST(AnimationTest, TrimTimeInfiniteIterations) {
  81   scoped_ptr<Animation> anim(CreateAnimation(-1));
  82   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
  83                      .InSecondsF());
  84   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
  85                      .InSecondsF());
  86   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
  87                      .InSecondsF());
  88   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
  89                      .InSecondsF());
  90 }
  91
  92 TEST(AnimationTest, TrimTimeReverse) {
  93   scoped_ptr<Animation> anim(CreateAnimation(-1));
  94   anim->set_direction(Animation::DIRECTION_REVERSE);
  95   EXPECT_EQ(
  96       1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0)).InSecondsF());
  97   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
  98                       .InSecondsF());
  99   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 100                      .InSecondsF());
 101   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 102                       .InSecondsF());
 103   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 104                      .InSecondsF());
 105   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 106                       .InSecondsF());
 107 }
 108
 109 TEST(AnimationTest, TrimTimeAlternateInfiniteIterations) {
 110   scoped_ptr<Animation> anim(CreateAnimation(-1));
 111   anim->set_direction(Animation::DIRECTION_ALTERNATE);
 112   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 113                      .InSecondsF());
 114   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 115                       .InSecondsF());
 116   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 117                      .InSecondsF());
 118   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 119                       .InSecondsF());
 120   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 121                      .InSecondsF());
 122   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 123                       .InSecondsF());
 124 }
 125
 126 TEST(AnimationTest, TrimTimeAlternateOneIteration) {
 127   scoped_ptr<Animation> anim(CreateAnimation(1));
 128   anim->set_direction(Animation::DIRECTION_ALTERNATE);
 129   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 130                      .InSecondsF());
 131   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 132                       .InSecondsF());
 133   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 134                      .InSecondsF());
 135   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 136                       .InSecondsF());
 137   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 138                      .InSecondsF());
 139   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 140                      .InSecondsF());
 141 }
 142
 143 TEST(AnimationTest, TrimTimeAlternateTwoIterations) {
 144   scoped_ptr<Animation> anim(CreateAnimation(2));
 145   anim->set_direction(Animation::DIRECTION_ALTERNATE);
 146   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 147                      .InSecondsF());
 148   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 149                       .InSecondsF());
 150   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 151                      .InSecondsF());
 152   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 153                       .InSecondsF());
 154   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 155                      .InSecondsF());
 156   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 157                       .InSecondsF());
 158   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.75))
 159                       .InSecondsF());
 160   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 161                      .InSecondsF());
 162   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.25))
 163                      .InSecondsF());
 164 }
 165
 166 TEST(AnimationTest, TrimTimeAlternateTwoHalfIterations) {
 167   scoped_ptr<Animation> anim(CreateAnimation(2.5));
 168   anim->set_direction(Animation::DIRECTION_ALTERNATE);
 169   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 170                      .InSecondsF());
 171   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 172                       .InSecondsF());
 173   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 174                      .InSecondsF());
 175   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 176                       .InSecondsF());
 177   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 178                      .InSecondsF());
 179   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 180                       .InSecondsF());
 181   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.75))
 182                       .InSecondsF());
 183   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 184                      .InSecondsF());
 185   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.25))
 186                       .InSecondsF());
 187   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.50))
 188                      .InSecondsF());
 189   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.75))
 190                      .InSecondsF());
 191 }
 192
 193 TEST(AnimationTest, TrimTimeAlternateReverseInfiniteIterations) {
 194   scoped_ptr<Animation> anim(CreateAnimation(-1));
 195   anim->set_direction(Animation::DIRECTION_ALTERNATE_REVERSE);
 196   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 197                      .InSecondsF());
 198   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 199                       .InSecondsF());
 200   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 201                      .InSecondsF());
 202   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 203                       .InSecondsF());
 204   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 205                      .InSecondsF());
 206   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 207                       .InSecondsF());
 208 }
 209
 210 TEST(AnimationTest, TrimTimeAlternateReverseOneIteration) {
 211   scoped_ptr<Animation> anim(CreateAnimation(1));
 212   anim->set_direction(Animation::DIRECTION_ALTERNATE_REVERSE);
 213   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 214                      .InSecondsF());
 215   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 216                       .InSecondsF());
 217   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 218                      .InSecondsF());
 219   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 220                       .InSecondsF());
 221   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 222                      .InSecondsF());
 223   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 224                      .InSecondsF());
 225 }
 226
 227 TEST(AnimationTest, TrimTimeAlternateReverseTwoIterations) {
 228   scoped_ptr<Animation> anim(CreateAnimation(2));
 229   anim->set_direction(Animation::DIRECTION_ALTERNATE_REVERSE);
 230   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 231                      .InSecondsF());
 232   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 233                       .InSecondsF());
 234   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 235                      .InSecondsF());
 236   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 237                       .InSecondsF());
 238   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 239                      .InSecondsF());
 240   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 241                       .InSecondsF());
 242   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.75))
 243                       .InSecondsF());
 244   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 245                      .InSecondsF());
 246   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.25))
 247                      .InSecondsF());
 248 }
 249
 250 TEST(AnimationTest, TrimTimeStartTime) {
 251   scoped_ptr<Animation> anim(CreateAnimation(1));
 252   anim->set_start_time(TicksFromSecondsF(4));
 253   EXPECT_EQ(
 254       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 255   EXPECT_EQ(
 256       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.0)).InSecondsF());
 257   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.5))
 258                      .InSecondsF());
 259   EXPECT_EQ(
 260       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(5.0)).InSecondsF());
 261   EXPECT_EQ(
 262       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(6.0)).InSecondsF());
 263 }
 264
 265 TEST(AnimationTest, TrimTimeStartTimeReverse) {
 266   scoped_ptr<Animation> anim(CreateAnimation(1));
 267   anim->set_start_time(TicksFromSecondsF(4));
 268   anim->set_direction(Animation::DIRECTION_REVERSE);
 269   EXPECT_EQ(
 270       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 271   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.0))
 272                      .InSecondsF());
 273   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.5))
 274                      .InSecondsF());
 275   EXPECT_EQ(
 276       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(5.0)).InSecondsF());
 277   EXPECT_EQ(
 278       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(6.0)).InSecondsF());
 279 }
 280
 281 TEST(AnimationTest, TrimTimeTimeOffset) {
 282   scoped_ptr<Animation> anim(CreateAnimation(1));
 283   anim->set_time_offset(TimeDelta::FromMilliseconds(4000));
 284   anim->set_start_time(TicksFromSecondsF(4));
 285   EXPECT_EQ(
 286       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 287   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 288                      .InSecondsF());
 289   EXPECT_EQ(
 290       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 291   EXPECT_EQ(
 292       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 293 }
 294
 295 TEST(AnimationTest, TrimTimeTimeOffsetReverse) {
 296   scoped_ptr<Animation> anim(CreateAnimation(1));
 297   anim->set_time_offset(TimeDelta::FromMilliseconds(4000));
 298   anim->set_start_time(TicksFromSecondsF(4));
 299   anim->set_direction(Animation::DIRECTION_REVERSE);
 300   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 301                      .InSecondsF());
 302   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 303                      .InSecondsF());
 304   EXPECT_EQ(
 305       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 306   EXPECT_EQ(
 307       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 308 }
 309
 310 TEST(AnimationTest, TrimTimeNegativeTimeOffset) {
 311   scoped_ptr<Animation> anim(CreateAnimation(1));
 312   anim->set_time_offset(TimeDelta::FromMilliseconds(-4000));
 313
 314   EXPECT_EQ(
 315       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 316   EXPECT_EQ(
 317       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.0)).InSecondsF());
 318   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.5))
 319                      .InSecondsF());
 320   EXPECT_EQ(
 321       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(5.0)).InSecondsF());
 322 }
 323
 324 TEST(AnimationTest, TrimTimeNegativeTimeOffsetReverse) {
 325   scoped_ptr<Animation> anim(CreateAnimation(1));
 326   anim->set_time_offset(TimeDelta::FromMilliseconds(-4000));
 327   anim->set_direction(Animation::DIRECTION_REVERSE);
 328
 329   EXPECT_EQ(
 330       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 331   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.0))
 332                      .InSecondsF());
 333   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.5))
 334                      .InSecondsF());
 335   EXPECT_EQ(
 336       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(5.0)).InSecondsF());
 337 }
 338
 339 TEST(AnimationTest, TrimTimePauseResume) {
 340   scoped_ptr<Animation> anim(CreateAnimation(1));
 341   anim->SetRunState(Animation::RUNNING, TicksFromSecondsF(0.0));
 342   EXPECT_EQ(
 343       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 344   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 345                      .InSecondsF());
 346   anim->SetRunState(Animation::PAUSED, TicksFromSecondsF(0.5));
 347   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.0))
 348                      .InSecondsF());
 349   anim->SetRunState(Animation::RUNNING, TicksFromSecondsF(1024.0));
 350   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.0))
 351                      .InSecondsF());
 352   EXPECT_EQ(1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.5))
 353                    .InSecondsF());
 354 }
 355
 356 TEST(AnimationTest, TrimTimePauseResumeReverse) {
 357   scoped_ptr<Animation> anim(CreateAnimation(1));
 358   anim->set_direction(Animation::DIRECTION_REVERSE);
 359   anim->SetRunState(Animation::RUNNING, TicksFromSecondsF(0.0));
 360   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 361                      .InSecondsF());
 362   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 363                      .InSecondsF());
 364   anim->SetRunState(Animation::PAUSED, TicksFromSecondsF(0.25));
 365   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.0))
 366                       .InSecondsF());
 367   anim->SetRunState(Animation::RUNNING, TicksFromSecondsF(1024.0));
 368   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.0))
 369                       .InSecondsF());
 370   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.75))
 371                    .InSecondsF());
 372 }
 373
 374 TEST(AnimationTest, TrimTimeSuspendResume) {
 375   scoped_ptr<Animation> anim(CreateAnimation(1));
 376   anim->SetRunState(Animation::RUNNING, TicksFromSecondsF(0.0));
 377   EXPECT_EQ(
 378       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 379   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 380                      .InSecondsF());
 381   anim->Suspend(TicksFromSecondsF(0.5));
 382   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.0))
 383                      .InSecondsF());
 384   anim->Resume(TicksFromSecondsF(1024));
 385   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.0))
 386                      .InSecondsF());
 387   EXPECT_EQ(1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.5))
 388                    .InSecondsF());
 389 }
 390
 391 TEST(AnimationTest, TrimTimeSuspendResumeReverse) {
 392   scoped_ptr<Animation> anim(CreateAnimation(1));
 393   anim->set_direction(Animation::DIRECTION_REVERSE);
 394   anim->SetRunState(Animation::RUNNING, TicksFromSecondsF(0.0));
 395   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 396                      .InSecondsF());
 397   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 398                       .InSecondsF());
 399   anim->Suspend(TicksFromSecondsF(0.75));
 400   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.0))
 401                       .InSecondsF());
 402   anim->Resume(TicksFromSecondsF(1024));
 403   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.0))
 404                       .InSecondsF());
 405   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.25))
 406                    .InSecondsF());
 407 }
 408
 409 TEST(AnimationTest, TrimTimeZeroDuration) {
 410   scoped_ptr<Animation> anim(CreateAnimation(0, 0));
 411   anim->SetRunState(Animation::RUNNING, TicksFromSecondsF(0.0));
 412   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 413                    .InSecondsF());
 414   EXPECT_EQ(
 415       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 416   EXPECT_EQ(
 417       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 418 }
 419
 420 TEST(AnimationTest, TrimTimeStarting) {
 421   scoped_ptr<Animation> anim(CreateAnimation(1, 5.0));
 422   anim->SetRunState(Animation::STARTING, TicksFromSecondsF(0.0));
 423   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 424                      .InSecondsF());
 425   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 426                      .InSecondsF());
 427   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 428                      .InSecondsF());
 429   anim->set_time_offset(TimeDelta::FromMilliseconds(2000));
 430   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 431                      .InSecondsF());
 432   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 433                      .InSecondsF());
 434   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 435                      .InSecondsF());
 436   anim->set_start_time(TicksFromSecondsF(1.0));
 437   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 438                      .InSecondsF());
 439   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 440                      .InSecondsF());
 441   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 442                      .InSecondsF());
 443   EXPECT_EQ(3.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 444                      .InSecondsF());
 445 }
 446
 447 TEST(AnimationTest, TrimTimeNeedsSynchronizedStartTime) {
 448   scoped_ptr<Animation> anim(CreateAnimation(1, 5.0));
 449   anim->SetRunState(Animation::RUNNING, TicksFromSecondsF(0.0));
 450   anim->set_needs_synchronized_start_time(true);
 451   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 452                      .InSecondsF());
 453   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 454                      .InSecondsF());
 455   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 456                      .InSecondsF());
 457   anim->set_time_offset(TimeDelta::FromMilliseconds(2000));
 458   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 459                      .InSecondsF());
 460   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 461                      .InSecondsF());
 462   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 463                      .InSecondsF());
 464   anim->set_start_time(TicksFromSecondsF(1.0));
 465   anim->set_needs_synchronized_start_time(false);
 466   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 467                      .InSecondsF());
 468   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 469                      .InSecondsF());
 470   EXPECT_EQ(3.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 471                      .InSecondsF());
 472 }
 473
 474 TEST(AnimationTest, IsFinishedAtZeroIterations) {
 475   scoped_ptr<Animation> anim(CreateAnimation(0));
 476   anim->SetRunState(Animation::RUNNING, TicksFromSecondsF(0.0));
 477   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(-1.0)));
 478   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(0.0)));
 479   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(1.0)));
 480 }
 481
 482 TEST(AnimationTest, IsFinishedAtOneIteration) {
 483   scoped_ptr<Animation> anim(CreateAnimation(1));
 484   anim->SetRunState(Animation::RUNNING, TicksFromSecondsF(0.0));
 485   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(-1.0)));
 486   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(0.0)));
 487   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(1.0)));
 488   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(2.0)));
 489 }
 490
 491 TEST(AnimationTest, IsFinishedAtInfiniteIterations) {
 492   scoped_ptr<Animation> anim(CreateAnimation(-1));
 493   anim->SetRunState(Animation::RUNNING, TicksFromSecondsF(0.0));
 494   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(0.0)));
 495   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(0.5)));
 496   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(1.0)));
 497   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(1.5)));
 498 }
 499
 500 TEST(AnimationTest, IsFinishedNegativeTimeOffset) {
 501   scoped_ptr<Animation> anim(CreateAnimation(1));
 502   anim->set_time_offset(TimeDelta::FromMilliseconds(-500));
 503   anim->SetRunState(Animation::RUNNING, TicksFromSecondsF(0.0));
 504
 505   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(-1.0)));
 506   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(0.0)));
 507   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(0.5)));
 508   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(1.0)));
 509   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(1.5)));
 510   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(2.0)));
 511   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(2.5)));
 512 }
 513
 514 TEST(AnimationTest, IsFinishedPositiveTimeOffset) {
 515   scoped_ptr<Animation> anim(CreateAnimation(1));
 516   anim->set_time_offset(TimeDelta::FromMilliseconds(500));
 517   anim->SetRunState(Animation::RUNNING, TicksFromSecondsF(0.0));
 518
 519   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(-1.0)));
 520   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(0.0)));
 521   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(0.5)));
 522   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(1.0)));
 523 }
 524
 525 TEST(AnimationTest, IsFinishedAtNotRunning) {
 526   scoped_ptr<Animation> anim(CreateAnimation(0));
 527   anim->SetRunState(Animation::RUNNING, TicksFromSecondsF(0.0));
 528   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(0.0)));
 529   anim->SetRunState(Animation::PAUSED, TicksFromSecondsF(0.0));
 530   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(0.0)));
 531   anim->SetRunState(Animation::WAITING_FOR_TARGET_AVAILABILITY,
 532                     TicksFromSecondsF(0.0));
 533   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(0.0)));
 534   anim->SetRunState(Animation::FINISHED, TicksFromSecondsF(0.0));
 535   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(0.0)));
 536   anim->SetRunState(Animation::ABORTED, TicksFromSecondsF(0.0));
 537   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(0.0)));
 538 }
 539
 540 TEST(AnimationTest, IsFinished) {
 541   scoped_ptr<Animation> anim(CreateAnimation(1));
 542   anim->SetRunState(Animation::RUNNING, TicksFromSecondsF(0.0));
 543   EXPECT_FALSE(anim->is_finished());
 544   anim->SetRunState(Animation::PAUSED, TicksFromSecondsF(0.0));
 545   EXPECT_FALSE(anim->is_finished());
 546   anim->SetRunState(Animation::WAITING_FOR_TARGET_AVAILABILITY,
 547                     TicksFromSecondsF(0.0));
 548   EXPECT_FALSE(anim->is_finished());
 549   anim->SetRunState(Animation::FINISHED, TicksFromSecondsF(0.0));
 550   EXPECT_TRUE(anim->is_finished());
 551   anim->SetRunState(Animation::ABORTED, TicksFromSecondsF(0.0));
 552   EXPECT_TRUE(anim->is_finished());
 553 }
 554
 555 TEST(AnimationTest, IsFinishedNeedsSynchronizedStartTime) {
 556   scoped_ptr<Animation> anim(CreateAnimation(1));
 557   anim->SetRunState(Animation::RUNNING, TicksFromSecondsF(2.0));
 558   EXPECT_FALSE(anim->is_finished());
 559   anim->SetRunState(Animation::PAUSED, TicksFromSecondsF(2.0));
 560   EXPECT_FALSE(anim->is_finished());
 561   anim->SetRunState(Animation::WAITING_FOR_TARGET_AVAILABILITY,
 562                     TicksFromSecondsF(2.0));
 563   EXPECT_FALSE(anim->is_finished());
 564   anim->SetRunState(Animation::FINISHED, TicksFromSecondsF(0.0));
 565   EXPECT_TRUE(anim->is_finished());
 566   anim->SetRunState(Animation::ABORTED, TicksFromSecondsF(0.0));
 567   EXPECT_TRUE(anim->is_finished());
 568 }
 569
 570 TEST(AnimationTest, RunStateChangesIgnoredWhileSuspended) {
 571   scoped_ptr<Animation> anim(CreateAnimation(1));
 572   anim->Suspend(TicksFromSecondsF(0));
 573   EXPECT_EQ(Animation::PAUSED, anim->run_state());
 574   anim->SetRunState(Animation::RUNNING, TicksFromSecondsF(0.0));
 575   EXPECT_EQ(Animation::PAUSED, anim->run_state());
 576   anim->Resume(TicksFromSecondsF(0));
 577   anim->SetRunState(Animation::RUNNING, TicksFromSecondsF(0.0));
 578   EXPECT_EQ(Animation::RUNNING, anim->run_state());
 579 }
 580
 581 TEST(AnimationTest, TrimTimePlaybackNormal) {
 582   scoped_ptr<Animation> anim(CreateAnimation(1, 1, 1));
 583   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 584                    .InSecondsF());
 585   EXPECT_EQ(
 586       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 587   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 588                      .InSecondsF());
 589   EXPECT_EQ(
 590       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 591   EXPECT_EQ(
 592       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0)).InSecondsF());
 593 }
 594
 595 TEST(AnimationTest, TrimTimePlaybackSlow) {
 596   scoped_ptr<Animation> anim(CreateAnimation(1, 1, 0.5));
 597   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 598                    .InSecondsF());
 599   EXPECT_EQ(
 600       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 601   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 602                       .InSecondsF());
 603   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 604                      .InSecondsF());
 605   EXPECT_EQ(
 606       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0)).InSecondsF());
 607   EXPECT_EQ(
 608       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3.0)).InSecondsF());
 609 }
 610
 611 TEST(AnimationTest, TrimTimePlaybackFast) {
 612   scoped_ptr<Animation> anim(CreateAnimation(1, 4, 2));
 613   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 614                    .InSecondsF());
 615   EXPECT_EQ(
 616       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 617   EXPECT_EQ(
 618       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5)).InSecondsF());
 619   EXPECT_EQ(
 620       2, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 621   EXPECT_EQ(
 622       3, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5)).InSecondsF());
 623   EXPECT_EQ(
 624       4, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0)).InSecondsF());
 625   EXPECT_EQ(
 626       4, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.5)).InSecondsF());
 627 }
 628
 629 TEST(AnimationTest, TrimTimePlaybackNormalReverse) {
 630   scoped_ptr<Animation> anim(CreateAnimation(1, 2, -1));
 631   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 632                    .InSecondsF());
 633   EXPECT_EQ(
 634       2, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0)).InSecondsF());
 635   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 636                      .InSecondsF());
 637   EXPECT_EQ(
 638       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 639   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
 640                      .InSecondsF());
 641   EXPECT_EQ(
 642       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0)).InSecondsF());
 643   EXPECT_EQ(
 644       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.5)).InSecondsF());
 645 }
 646
 647 TEST(AnimationTest, TrimTimePlaybackSlowReverse) {
 648   scoped_ptr<Animation> anim(CreateAnimation(1, 2, -0.5));
 649   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 650                    .InSecondsF());
 651   EXPECT_EQ(
 652       2, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0)).InSecondsF());
 653   EXPECT_EQ(1.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 654                       .InSecondsF());
 655   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 656                      .InSecondsF());
 657   EXPECT_EQ(1.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
 658                       .InSecondsF());
 659   EXPECT_EQ(
 660       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0)).InSecondsF());
 661   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.5))
 662                       .InSecondsF());
 663   EXPECT_EQ(
 664       0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3)).InSecondsF());
 665   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3.5))
 666                       .InSecondsF());
 667   EXPECT_EQ(
 668       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4)).InSecondsF());
 669   EXPECT_EQ(
 670       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.5)).InSecondsF());
 671 }
 672
 673 TEST(AnimationTest, TrimTimePlaybackFastReverse) {
 674   scoped_ptr<Animation> anim(CreateAnimation(1, 2, -2));
 675   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 676                    .InSecondsF());
 677   EXPECT_EQ(
 678       2, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0)).InSecondsF());
 679   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 680                      .InSecondsF());
 681   EXPECT_EQ(
 682       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5)).InSecondsF());
 683   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 684                      .InSecondsF());
 685   EXPECT_EQ(
 686       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 687   EXPECT_EQ(
 688       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5)).InSecondsF());
 689 }
 690
 691 TEST(AnimationTest, TrimTimePlaybackFastInfiniteIterations) {
 692   scoped_ptr<Animation> anim(CreateAnimation(-1, 4, 4));
 693   EXPECT_EQ(
 694       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 695   EXPECT_EQ(
 696       2, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5)).InSecondsF());
 697   EXPECT_EQ(
 698       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 699   EXPECT_EQ(
 700       2, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5)).InSecondsF());
 701   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1000.0))
 702                    .InSecondsF());
 703   EXPECT_EQ(2, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1000.5))
 704                    .InSecondsF());
 705 }
 706
 707 TEST(AnimationTest, TrimTimePlaybackNormalDoubleReverse) {
 708   scoped_ptr<Animation> anim(CreateAnimation(1, 1, -1));
 709   anim->set_direction(Animation::DIRECTION_REVERSE);
 710   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 711                    .InSecondsF());
 712   EXPECT_EQ(
 713       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 714   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 715                      .InSecondsF());
 716   EXPECT_EQ(
 717       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 718   EXPECT_EQ(
 719       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0)).InSecondsF());
 720 }
 721
 722 TEST(AnimationTest, TrimTimePlaybackFastDoubleReverse) {
 723   scoped_ptr<Animation> anim(CreateAnimation(1, 4, -2));
 724   anim->set_direction(Animation::DIRECTION_REVERSE);
 725   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 726                    .InSecondsF());
 727   EXPECT_EQ(
 728       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 729   EXPECT_EQ(
 730       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5)).InSecondsF());
 731   EXPECT_EQ(
 732       2, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 733   EXPECT_EQ(
 734       3, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5)).InSecondsF());
 735   EXPECT_EQ(
 736       4, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0)).InSecondsF());
 737   EXPECT_EQ(
 738       4, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.5)).InSecondsF());
 739 }
 740
 741 TEST(AnimationTest, TrimTimeAlternateTwoIterationsPlaybackFast) {
 742   scoped_ptr<Animation> anim(CreateAnimation(2, 2, 2));
 743   anim->set_direction(Animation::DIRECTION_ALTERNATE);
 744   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 745                      .InSecondsF());
 746   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 747                      .InSecondsF());
 748   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 749                      .InSecondsF());
 750   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 751                      .InSecondsF());
 752   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 753                      .InSecondsF());
 754   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 755                      .InSecondsF());
 756   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
 757                      .InSecondsF());
 758   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.75))
 759                      .InSecondsF());
 760   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 761                      .InSecondsF());
 762   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.25))
 763                      .InSecondsF());
 764 }
 765
 766 TEST(AnimationTest, TrimTimeAlternateTwoIterationsPlaybackFastReverse) {
 767   scoped_ptr<Animation> anim(CreateAnimation(2, 2, 2));
 768   anim->set_direction(Animation::DIRECTION_ALTERNATE_REVERSE);
 769   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 770                      .InSecondsF());
 771   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 772                      .InSecondsF());
 773   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 774                      .InSecondsF());
 775   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 776                      .InSecondsF());
 777   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 778                      .InSecondsF());
 779   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 780                      .InSecondsF());
 781   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 782                      .InSecondsF());
 783   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
 784                      .InSecondsF());
 785   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.75))
 786                      .InSecondsF());
 787   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 788                      .InSecondsF());
 789   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.25))
 790                      .InSecondsF());
 791 }
 792
 793 TEST(AnimationTest, TrimTimeAlternateTwoIterationsPlaybackFastDoubleReverse) {
 794   scoped_ptr<Animation> anim(CreateAnimation(2, 2, -2));
 795   anim->set_direction(Animation::DIRECTION_ALTERNATE_REVERSE);
 796   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 797                      .InSecondsF());
 798   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 799                      .InSecondsF());
 800   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 801                      .InSecondsF());
 802   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 803                      .InSecondsF());
 804   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 805                      .InSecondsF());
 806   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 807                      .InSecondsF());
 808   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
 809                      .InSecondsF());
 810   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.75))
 811                      .InSecondsF());
 812   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 813                      .InSecondsF());
 814   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.25))
 815                      .InSecondsF());
 816 }
 817
 818 TEST(AnimationTest,
 819      TrimTimeAlternateReverseThreeIterationsPlaybackFastAlternateReverse) {
 820   scoped_ptr<Animation> anim(CreateAnimation(3, 2, -2));
 821   anim->set_direction(Animation::DIRECTION_ALTERNATE_REVERSE);
 822   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 823                      .InSecondsF());
 824   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 825                      .InSecondsF());
 826   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 827                      .InSecondsF());
 828   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 829                      .InSecondsF());
 830   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 831                      .InSecondsF());
 832   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 833                      .InSecondsF());
 834   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
 835                      .InSecondsF());
 836   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.75))
 837                      .InSecondsF());
 838   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 839                      .InSecondsF());
 840   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.25))
 841                      .InSecondsF());
 842   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.5))
 843                      .InSecondsF());
 844   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.75))
 845                      .InSecondsF());
 846   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3.0))
 847                      .InSecondsF());
 848   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3.25))
 849                      .InSecondsF());
 850 }
 851
 852 TEST(AnimationTest,
 853      TrimTimeAlternateReverseTwoIterationsPlaybackNormalAlternate) {
 854   scoped_ptr<Animation> anim(CreateAnimation(2, 2, -1));
 855   anim->set_direction(Animation::DIRECTION_ALTERNATE);
 856   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 857                      .InSecondsF());
 858   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 859                      .InSecondsF());
 860   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 861                      .InSecondsF());
 862   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
 863                      .InSecondsF());
 864   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 865                      .InSecondsF());
 866   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.5))
 867                      .InSecondsF());
 868   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3.0))
 869                      .InSecondsF());
 870   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3.5))
 871                      .InSecondsF());
 872   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.0))
 873                      .InSecondsF());
 874   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.5))
 875                      .InSecondsF());
 876 }
 877
 878 TEST(AnimationTest, TrimTimeIterationStart) {
 879   scoped_ptr<Animation> anim(CreateAnimation(2, 1, 1));
 880   anim->set_iteration_start(0.5);
 881   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 882                      .InSecondsF());
 883   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 884                      .InSecondsF());
 885   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 886                      .InSecondsF());
 887   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 888                      .InSecondsF());
 889   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
 890                      .InSecondsF());
 891   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 892                      .InSecondsF());
 893   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.5))
 894                      .InSecondsF());
 895 }
 896
 897 TEST(AnimationTest, TrimTimeIterationStartAlternate) {
 898   scoped_ptr<Animation> anim(CreateAnimation(2, 1, 1));
 899   anim->set_direction(Animation::DIRECTION_ALTERNATE);
 900   anim->set_iteration_start(0.3);
 901   EXPECT_EQ(0.3, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 902                      .InSecondsF());
 903   EXPECT_EQ(0.3, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 904                      .InSecondsF());
 905   EXPECT_EQ(0.8, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 906                      .InSecondsF());
 907   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.7))
 908                      .InSecondsF());
 909   EXPECT_EQ(0.7, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 910                      .InSecondsF());
 911   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.2))
 912                      .InSecondsF());
 913   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.7))
 914                      .InSecondsF());
 915 }
 916
 917 TEST(AnimationTest, TrimTimeIterationStartAlternateThreeIterations) {
 918   scoped_ptr<Animation> anim(CreateAnimation(3, 1, 1));
 919   anim->set_direction(Animation::DIRECTION_ALTERNATE);
 920   anim->set_iteration_start(1);
 921   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 922                      .InSecondsF());
 923   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 924                      .InSecondsF());
 925   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 926                      .InSecondsF());
 927   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 928                      .InSecondsF());
 929   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
 930                      .InSecondsF());
 931   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 932                      .InSecondsF());
 933   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.5))
 934                      .InSecondsF());
 935   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3.0))
 936                      .InSecondsF());
 937   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3.5))
 938                      .InSecondsF());
 939 }
 940
 941 TEST(AnimationTest,
 942      TrimTimeIterationStartAlternateThreeIterationsPlaybackReverse) {
 943   scoped_ptr<Animation> anim(CreateAnimation(3, 1, -1));
 944   anim->set_direction(Animation::DIRECTION_ALTERNATE);
 945   anim->set_iteration_start(1);
 946   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 947                      .InSecondsF());
 948   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 949                      .InSecondsF());
 950   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 951                      .InSecondsF());
 952   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3.0))
 953                      .InSecondsF());
 954   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3.5))
 955                      .InSecondsF());
 956 }
 957
 958 TEST(AnimationTest, InEffectFillMode) {
 959   scoped_ptr<Animation> anim(CreateAnimation(1));
 960   anim->set_fill_mode(Animation::FILL_MODE_NONE);
 961   EXPECT_FALSE(anim->InEffect(TicksFromSecondsF(-1.0)));
 962   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(0.0)));
 963   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(1.0)));
 964
 965   anim->set_fill_mode(Animation::FILL_MODE_FORWARDS);
 966   EXPECT_FALSE(anim->InEffect(TicksFromSecondsF(-1.0)));
 967   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(0.0)));
 968   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(1.0)));
 969
 970   anim->set_fill_mode(Animation::FILL_MODE_BACKWARDS);
 971   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(-1.0)));
 972   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(0.0)));
 973   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(1.0)));
 974
 975   anim->set_fill_mode(Animation::FILL_MODE_BOTH);
 976   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(-1.0)));
 977   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(0.0)));
 978   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(1.0)));
 979 }
 980
 981 TEST(AnimationTest, InEffectFillModePlayback) {
 982   scoped_ptr<Animation> anim(CreateAnimation(1, 1, -1));
 983   anim->set_fill_mode(Animation::FILL_MODE_NONE);
 984   EXPECT_FALSE(anim->InEffect(TicksFromSecondsF(-1.0)));
 985   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(0.0)));
 986   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(1.0)));
 987
 988   anim->set_fill_mode(Animation::FILL_MODE_FORWARDS);
 989   EXPECT_FALSE(anim->InEffect(TicksFromSecondsF(-1.0)));
 990   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(0.0)));
 991   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(1.0)));
 992
 993   anim->set_fill_mode(Animation::FILL_MODE_BACKWARDS);
 994   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(-1.0)));
 995   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(0.0)));
 996   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(1.0)));
 997
 998   anim->set_fill_mode(Animation::FILL_MODE_BOTH);
 999   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(-1.0)));
1000   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(0.0)));
1001   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(1.0)));
1002 }
1003
1004 }  // namespace
1005 }  // namespace cc