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,
  27                         1,
  28                         Animation::Opacity));
  29   to_return->set_iterations(iterations);
  30   to_return->set_playback_rate(playback_rate);
  31   return to_return.Pass();
  32 }
  33
  34 scoped_ptr<Animation> CreateAnimation(double iterations, double duration) {
  35   return CreateAnimation(iterations, duration, 1);
  36 }
  37
  38 scoped_ptr<Animation> CreateAnimation(double iterations) {
  39   return CreateAnimation(iterations, 1, 1);
  40 }
  41
  42 TEST(AnimationTest, TrimTimeZeroIterations) {
  43   scoped_ptr<Animation> anim(CreateAnimation(0));
  44   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
  45                    .InSecondsF());
  46   EXPECT_EQ(
  47       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
  48   EXPECT_EQ(
  49       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
  50 }
  51
  52 TEST(AnimationTest, TrimTimeOneIteration) {
  53   scoped_ptr<Animation> anim(CreateAnimation(1));
  54   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
  55                    .InSecondsF());
  56   EXPECT_EQ(
  57       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
  58   EXPECT_EQ(
  59       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
  60   EXPECT_EQ(
  61       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0)).InSecondsF());
  62 }
  63
  64 TEST(AnimationTest, TrimTimeOneHalfIteration) {
  65   scoped_ptr<Animation> anim(CreateAnimation(1.5));
  66   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
  67                      .InSecondsF());
  68   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
  69                      .InSecondsF());
  70   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
  71                      .InSecondsF());
  72   EXPECT_EQ(0.9, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.9))
  73                      .InSecondsF());
  74   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
  75                      .InSecondsF());
  76   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
  77                      .InSecondsF());
  78   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
  79                      .InSecondsF());
  80 }
  81
  82 TEST(AnimationTest, TrimTimeInfiniteIterations) {
  83   scoped_ptr<Animation> anim(CreateAnimation(-1));
  84   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
  85                      .InSecondsF());
  86   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
  87                      .InSecondsF());
  88   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
  89                      .InSecondsF());
  90   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
  91                      .InSecondsF());
  92 }
  93
  94 TEST(AnimationTest, TrimTimeReverse) {
  95   scoped_ptr<Animation> anim(CreateAnimation(-1));
  96   anim->set_direction(Animation::Reverse);
  97   EXPECT_EQ(
  98       1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0)).InSecondsF());
  99   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 100                       .InSecondsF());
 101   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 102                      .InSecondsF());
 103   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 104                       .InSecondsF());
 105   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 106                      .InSecondsF());
 107   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 108                       .InSecondsF());
 109 }
 110
 111 TEST(AnimationTest, TrimTimeAlternateInfiniteIterations) {
 112   scoped_ptr<Animation> anim(CreateAnimation(-1));
 113   anim->set_direction(Animation::Alternate);
 114   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 115                      .InSecondsF());
 116   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 117                       .InSecondsF());
 118   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 119                      .InSecondsF());
 120   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 121                       .InSecondsF());
 122   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 123                      .InSecondsF());
 124   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 125                       .InSecondsF());
 126 }
 127
 128 TEST(AnimationTest, TrimTimeAlternateOneIteration) {
 129   scoped_ptr<Animation> anim(CreateAnimation(1));
 130   anim->set_direction(Animation::Alternate);
 131   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 132                      .InSecondsF());
 133   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 134                       .InSecondsF());
 135   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 136                      .InSecondsF());
 137   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 138                       .InSecondsF());
 139   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 140                      .InSecondsF());
 141   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 142                      .InSecondsF());
 143 }
 144
 145 TEST(AnimationTest, TrimTimeAlternateTwoIterations) {
 146   scoped_ptr<Animation> anim(CreateAnimation(2));
 147   anim->set_direction(Animation::Alternate);
 148   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 149                      .InSecondsF());
 150   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 151                       .InSecondsF());
 152   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 153                      .InSecondsF());
 154   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 155                       .InSecondsF());
 156   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 157                      .InSecondsF());
 158   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 159                       .InSecondsF());
 160   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.75))
 161                       .InSecondsF());
 162   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 163                      .InSecondsF());
 164   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.25))
 165                      .InSecondsF());
 166 }
 167
 168 TEST(AnimationTest, TrimTimeAlternateTwoHalfIterations) {
 169   scoped_ptr<Animation> anim(CreateAnimation(2.5));
 170   anim->set_direction(Animation::Alternate);
 171   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 172                      .InSecondsF());
 173   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 174                       .InSecondsF());
 175   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 176                      .InSecondsF());
 177   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 178                       .InSecondsF());
 179   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 180                      .InSecondsF());
 181   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 182                       .InSecondsF());
 183   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.75))
 184                       .InSecondsF());
 185   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 186                      .InSecondsF());
 187   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.25))
 188                       .InSecondsF());
 189   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.50))
 190                      .InSecondsF());
 191   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.75))
 192                      .InSecondsF());
 193 }
 194
 195 TEST(AnimationTest, TrimTimeAlternateReverseInfiniteIterations) {
 196   scoped_ptr<Animation> anim(CreateAnimation(-1));
 197   anim->set_direction(Animation::AlternateReverse);
 198   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 199                      .InSecondsF());
 200   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 201                       .InSecondsF());
 202   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 203                      .InSecondsF());
 204   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 205                       .InSecondsF());
 206   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 207                      .InSecondsF());
 208   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 209                       .InSecondsF());
 210 }
 211
 212 TEST(AnimationTest, TrimTimeAlternateReverseOneIteration) {
 213   scoped_ptr<Animation> anim(CreateAnimation(1));
 214   anim->set_direction(Animation::AlternateReverse);
 215   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 216                      .InSecondsF());
 217   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 218                       .InSecondsF());
 219   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 220                      .InSecondsF());
 221   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 222                       .InSecondsF());
 223   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 224                      .InSecondsF());
 225   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 226                      .InSecondsF());
 227 }
 228
 229 TEST(AnimationTest, TrimTimeAlternateReverseTwoIterations) {
 230   scoped_ptr<Animation> anim(CreateAnimation(2));
 231   anim->set_direction(Animation::AlternateReverse);
 232   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 233                      .InSecondsF());
 234   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 235                       .InSecondsF());
 236   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 237                      .InSecondsF());
 238   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 239                       .InSecondsF());
 240   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 241                      .InSecondsF());
 242   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 243                       .InSecondsF());
 244   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.75))
 245                       .InSecondsF());
 246   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 247                      .InSecondsF());
 248   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.25))
 249                      .InSecondsF());
 250 }
 251
 252 TEST(AnimationTest, TrimTimeStartTime) {
 253   scoped_ptr<Animation> anim(CreateAnimation(1));
 254   anim->set_start_time(TicksFromSecondsF(4));
 255   EXPECT_EQ(
 256       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 257   EXPECT_EQ(
 258       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.0)).InSecondsF());
 259   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.5))
 260                      .InSecondsF());
 261   EXPECT_EQ(
 262       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(5.0)).InSecondsF());
 263   EXPECT_EQ(
 264       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(6.0)).InSecondsF());
 265 }
 266
 267 TEST(AnimationTest, TrimTimeStartTimeReverse) {
 268   scoped_ptr<Animation> anim(CreateAnimation(1));
 269   anim->set_start_time(TicksFromSecondsF(4));
 270   anim->set_direction(Animation::Reverse);
 271   EXPECT_EQ(
 272       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 273   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.0))
 274                      .InSecondsF());
 275   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.5))
 276                      .InSecondsF());
 277   EXPECT_EQ(
 278       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(5.0)).InSecondsF());
 279   EXPECT_EQ(
 280       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(6.0)).InSecondsF());
 281 }
 282
 283 TEST(AnimationTest, TrimTimeTimeOffset) {
 284   scoped_ptr<Animation> anim(CreateAnimation(1));
 285   anim->set_time_offset(TimeDelta::FromMilliseconds(4000));
 286   anim->set_start_time(TicksFromSecondsF(4));
 287   EXPECT_EQ(
 288       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 289   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 290                      .InSecondsF());
 291   EXPECT_EQ(
 292       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 293   EXPECT_EQ(
 294       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 295 }
 296
 297 TEST(AnimationTest, TrimTimeTimeOffsetReverse) {
 298   scoped_ptr<Animation> anim(CreateAnimation(1));
 299   anim->set_time_offset(TimeDelta::FromMilliseconds(4000));
 300   anim->set_start_time(TicksFromSecondsF(4));
 301   anim->set_direction(Animation::Reverse);
 302   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 303                      .InSecondsF());
 304   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 305                      .InSecondsF());
 306   EXPECT_EQ(
 307       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 308   EXPECT_EQ(
 309       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 310 }
 311
 312 TEST(AnimationTest, TrimTimeNegativeTimeOffset) {
 313   scoped_ptr<Animation> anim(CreateAnimation(1));
 314   anim->set_time_offset(TimeDelta::FromMilliseconds(-4000));
 315
 316   EXPECT_EQ(
 317       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 318   EXPECT_EQ(
 319       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.0)).InSecondsF());
 320   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.5))
 321                      .InSecondsF());
 322   EXPECT_EQ(
 323       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(5.0)).InSecondsF());
 324 }
 325
 326 TEST(AnimationTest, TrimTimeNegativeTimeOffsetReverse) {
 327   scoped_ptr<Animation> anim(CreateAnimation(1));
 328   anim->set_time_offset(TimeDelta::FromMilliseconds(-4000));
 329   anim->set_direction(Animation::Reverse);
 330
 331   EXPECT_EQ(
 332       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 333   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.0))
 334                      .InSecondsF());
 335   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.5))
 336                      .InSecondsF());
 337   EXPECT_EQ(
 338       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(5.0)).InSecondsF());
 339 }
 340
 341 TEST(AnimationTest, TrimTimePauseResume) {
 342   scoped_ptr<Animation> anim(CreateAnimation(1));
 343   anim->SetRunState(Animation::Running, TicksFromSecondsF(0.0));
 344   EXPECT_EQ(
 345       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 346   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 347                      .InSecondsF());
 348   anim->SetRunState(Animation::Paused, TicksFromSecondsF(0.5));
 349   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.0))
 350                      .InSecondsF());
 351   anim->SetRunState(Animation::Running, TicksFromSecondsF(1024.0));
 352   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.0))
 353                      .InSecondsF());
 354   EXPECT_EQ(1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.5))
 355                    .InSecondsF());
 356 }
 357
 358 TEST(AnimationTest, TrimTimePauseResumeReverse) {
 359   scoped_ptr<Animation> anim(CreateAnimation(1));
 360   anim->set_direction(Animation::Reverse);
 361   anim->SetRunState(Animation::Running, TicksFromSecondsF(0.0));
 362   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 363                      .InSecondsF());
 364   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 365                      .InSecondsF());
 366   anim->SetRunState(Animation::Paused, TicksFromSecondsF(0.25));
 367   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.0))
 368                       .InSecondsF());
 369   anim->SetRunState(Animation::Running, TicksFromSecondsF(1024.0));
 370   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.0))
 371                       .InSecondsF());
 372   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.75))
 373                    .InSecondsF());
 374 }
 375
 376 TEST(AnimationTest, TrimTimeSuspendResume) {
 377   scoped_ptr<Animation> anim(CreateAnimation(1));
 378   anim->SetRunState(Animation::Running, TicksFromSecondsF(0.0));
 379   EXPECT_EQ(
 380       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 381   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 382                      .InSecondsF());
 383   anim->Suspend(TicksFromSecondsF(0.5));
 384   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.0))
 385                      .InSecondsF());
 386   anim->Resume(TicksFromSecondsF(1024));
 387   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.0))
 388                      .InSecondsF());
 389   EXPECT_EQ(1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.5))
 390                    .InSecondsF());
 391 }
 392
 393 TEST(AnimationTest, TrimTimeSuspendResumeReverse) {
 394   scoped_ptr<Animation> anim(CreateAnimation(1));
 395   anim->set_direction(Animation::Reverse);
 396   anim->SetRunState(Animation::Running, TicksFromSecondsF(0.0));
 397   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 398                      .InSecondsF());
 399   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 400                       .InSecondsF());
 401   anim->Suspend(TicksFromSecondsF(0.75));
 402   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.0))
 403                       .InSecondsF());
 404   anim->Resume(TicksFromSecondsF(1024));
 405   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.0))
 406                       .InSecondsF());
 407   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1024.25))
 408                    .InSecondsF());
 409 }
 410
 411 TEST(AnimationTest, TrimTimeZeroDuration) {
 412   scoped_ptr<Animation> anim(CreateAnimation(0, 0));
 413   anim->SetRunState(Animation::Running, TicksFromSecondsF(0.0));
 414   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 415                    .InSecondsF());
 416   EXPECT_EQ(
 417       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 418   EXPECT_EQ(
 419       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 420 }
 421
 422 TEST(AnimationTest, TrimTimeStarting) {
 423   scoped_ptr<Animation> anim(CreateAnimation(1, 5.0));
 424   anim->SetRunState(Animation::Starting, TicksFromSecondsF(0.0));
 425   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 426                      .InSecondsF());
 427   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 428                      .InSecondsF());
 429   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 430                      .InSecondsF());
 431   anim->set_time_offset(TimeDelta::FromMilliseconds(2000));
 432   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 433                      .InSecondsF());
 434   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 435                      .InSecondsF());
 436   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 437                      .InSecondsF());
 438   anim->set_start_time(TicksFromSecondsF(1.0));
 439   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 440                      .InSecondsF());
 441   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 442                      .InSecondsF());
 443   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 444                      .InSecondsF());
 445   EXPECT_EQ(3.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 446                      .InSecondsF());
 447 }
 448
 449 TEST(AnimationTest, TrimTimeNeedsSynchronizedStartTime) {
 450   scoped_ptr<Animation> anim(CreateAnimation(1, 5.0));
 451   anim->SetRunState(Animation::Running, TicksFromSecondsF(0.0));
 452   anim->set_needs_synchronized_start_time(true);
 453   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 454                      .InSecondsF());
 455   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 456                      .InSecondsF());
 457   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 458                      .InSecondsF());
 459   anim->set_time_offset(TimeDelta::FromMilliseconds(2000));
 460   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 461                      .InSecondsF());
 462   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 463                      .InSecondsF());
 464   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 465                      .InSecondsF());
 466   anim->set_start_time(TicksFromSecondsF(1.0));
 467   anim->set_needs_synchronized_start_time(false);
 468   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 469                      .InSecondsF());
 470   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 471                      .InSecondsF());
 472   EXPECT_EQ(3.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 473                      .InSecondsF());
 474 }
 475
 476 TEST(AnimationTest, IsFinishedAtZeroIterations) {
 477   scoped_ptr<Animation> anim(CreateAnimation(0));
 478   anim->SetRunState(Animation::Running, TicksFromSecondsF(0.0));
 479   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(-1.0)));
 480   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(0.0)));
 481   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(1.0)));
 482 }
 483
 484 TEST(AnimationTest, IsFinishedAtOneIteration) {
 485   scoped_ptr<Animation> anim(CreateAnimation(1));
 486   anim->SetRunState(Animation::Running, TicksFromSecondsF(0.0));
 487   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(-1.0)));
 488   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(0.0)));
 489   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(1.0)));
 490   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(2.0)));
 491 }
 492
 493 TEST(AnimationTest, IsFinishedAtInfiniteIterations) {
 494   scoped_ptr<Animation> anim(CreateAnimation(-1));
 495   anim->SetRunState(Animation::Running, TicksFromSecondsF(0.0));
 496   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(0.0)));
 497   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(0.5)));
 498   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(1.0)));
 499   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(1.5)));
 500 }
 501
 502 TEST(AnimationTest, IsFinishedNegativeTimeOffset) {
 503   scoped_ptr<Animation> anim(CreateAnimation(1));
 504   anim->set_time_offset(TimeDelta::FromMilliseconds(-500));
 505   anim->SetRunState(Animation::Running, TicksFromSecondsF(0.0));
 506
 507   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(-1.0)));
 508   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(0.0)));
 509   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(0.5)));
 510   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(1.0)));
 511   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(1.5)));
 512   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(2.0)));
 513   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(2.5)));
 514 }
 515
 516 TEST(AnimationTest, IsFinishedPositiveTimeOffset) {
 517   scoped_ptr<Animation> anim(CreateAnimation(1));
 518   anim->set_time_offset(TimeDelta::FromMilliseconds(500));
 519   anim->SetRunState(Animation::Running, TicksFromSecondsF(0.0));
 520
 521   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(-1.0)));
 522   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(0.0)));
 523   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(0.5)));
 524   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(1.0)));
 525 }
 526
 527 TEST(AnimationTest, IsFinishedAtNotRunning) {
 528   scoped_ptr<Animation> anim(CreateAnimation(0));
 529   anim->SetRunState(Animation::Running, TicksFromSecondsF(0.0));
 530   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(0.0)));
 531   anim->SetRunState(Animation::Paused, TicksFromSecondsF(0.0));
 532   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(0.0)));
 533   anim->SetRunState(Animation::WaitingForTargetAvailability,
 534                     TicksFromSecondsF(0.0));
 535   EXPECT_FALSE(anim->IsFinishedAt(TicksFromSecondsF(0.0)));
 536   anim->SetRunState(Animation::Finished, TicksFromSecondsF(0.0));
 537   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(0.0)));
 538   anim->SetRunState(Animation::Aborted, TicksFromSecondsF(0.0));
 539   EXPECT_TRUE(anim->IsFinishedAt(TicksFromSecondsF(0.0)));
 540 }
 541
 542 TEST(AnimationTest, IsFinished) {
 543   scoped_ptr<Animation> anim(CreateAnimation(1));
 544   anim->SetRunState(Animation::Running, TicksFromSecondsF(0.0));
 545   EXPECT_FALSE(anim->is_finished());
 546   anim->SetRunState(Animation::Paused, TicksFromSecondsF(0.0));
 547   EXPECT_FALSE(anim->is_finished());
 548   anim->SetRunState(Animation::WaitingForTargetAvailability,
 549                     TicksFromSecondsF(0.0));
 550   EXPECT_FALSE(anim->is_finished());
 551   anim->SetRunState(Animation::Finished, TicksFromSecondsF(0.0));
 552   EXPECT_TRUE(anim->is_finished());
 553   anim->SetRunState(Animation::Aborted, TicksFromSecondsF(0.0));
 554   EXPECT_TRUE(anim->is_finished());
 555 }
 556
 557 TEST(AnimationTest, IsFinishedNeedsSynchronizedStartTime) {
 558   scoped_ptr<Animation> anim(CreateAnimation(1));
 559   anim->SetRunState(Animation::Running, TicksFromSecondsF(2.0));
 560   EXPECT_FALSE(anim->is_finished());
 561   anim->SetRunState(Animation::Paused, TicksFromSecondsF(2.0));
 562   EXPECT_FALSE(anim->is_finished());
 563   anim->SetRunState(Animation::WaitingForTargetAvailability,
 564                     TicksFromSecondsF(2.0));
 565   EXPECT_FALSE(anim->is_finished());
 566   anim->SetRunState(Animation::Finished, TicksFromSecondsF(0.0));
 567   EXPECT_TRUE(anim->is_finished());
 568   anim->SetRunState(Animation::Aborted, TicksFromSecondsF(0.0));
 569   EXPECT_TRUE(anim->is_finished());
 570 }
 571
 572 TEST(AnimationTest, RunStateChangesIgnoredWhileSuspended) {
 573   scoped_ptr<Animation> anim(CreateAnimation(1));
 574   anim->Suspend(TicksFromSecondsF(0));
 575   EXPECT_EQ(Animation::Paused, anim->run_state());
 576   anim->SetRunState(Animation::Running, TicksFromSecondsF(0.0));
 577   EXPECT_EQ(Animation::Paused, anim->run_state());
 578   anim->Resume(TicksFromSecondsF(0));
 579   anim->SetRunState(Animation::Running, TicksFromSecondsF(0.0));
 580   EXPECT_EQ(Animation::Running, anim->run_state());
 581 }
 582
 583 TEST(AnimationTest, TrimTimePlaybackNormal) {
 584   scoped_ptr<Animation> anim(CreateAnimation(1, 1, 1));
 585   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 586                    .InSecondsF());
 587   EXPECT_EQ(
 588       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 589   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 590                      .InSecondsF());
 591   EXPECT_EQ(
 592       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 593   EXPECT_EQ(
 594       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0)).InSecondsF());
 595 }
 596
 597 TEST(AnimationTest, TrimTimePlaybackSlow) {
 598   scoped_ptr<Animation> anim(CreateAnimation(1, 1, 0.5));
 599   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 600                    .InSecondsF());
 601   EXPECT_EQ(
 602       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 603   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 604                       .InSecondsF());
 605   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 606                      .InSecondsF());
 607   EXPECT_EQ(
 608       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0)).InSecondsF());
 609   EXPECT_EQ(
 610       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3.0)).InSecondsF());
 611 }
 612
 613 TEST(AnimationTest, TrimTimePlaybackFast) {
 614   scoped_ptr<Animation> anim(CreateAnimation(1, 4, 2));
 615   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 616                    .InSecondsF());
 617   EXPECT_EQ(
 618       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 619   EXPECT_EQ(
 620       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5)).InSecondsF());
 621   EXPECT_EQ(
 622       2, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 623   EXPECT_EQ(
 624       3, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5)).InSecondsF());
 625   EXPECT_EQ(
 626       4, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0)).InSecondsF());
 627   EXPECT_EQ(
 628       4, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.5)).InSecondsF());
 629 }
 630
 631 TEST(AnimationTest, TrimTimePlaybackNormalReverse) {
 632   scoped_ptr<Animation> anim(CreateAnimation(1, 2, -1));
 633   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 634                    .InSecondsF());
 635   EXPECT_EQ(
 636       2, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0)).InSecondsF());
 637   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 638                      .InSecondsF());
 639   EXPECT_EQ(
 640       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 641   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
 642                      .InSecondsF());
 643   EXPECT_EQ(
 644       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0)).InSecondsF());
 645   EXPECT_EQ(
 646       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.5)).InSecondsF());
 647 }
 648
 649 TEST(AnimationTest, TrimTimePlaybackSlowReverse) {
 650   scoped_ptr<Animation> anim(CreateAnimation(1, 2, -0.5));
 651   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 652                    .InSecondsF());
 653   EXPECT_EQ(
 654       2, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0)).InSecondsF());
 655   EXPECT_EQ(1.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 656                       .InSecondsF());
 657   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 658                      .InSecondsF());
 659   EXPECT_EQ(1.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
 660                       .InSecondsF());
 661   EXPECT_EQ(
 662       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0)).InSecondsF());
 663   EXPECT_EQ(0.75, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.5))
 664                       .InSecondsF());
 665   EXPECT_EQ(
 666       0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3)).InSecondsF());
 667   EXPECT_EQ(0.25, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3.5))
 668                       .InSecondsF());
 669   EXPECT_EQ(
 670       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4)).InSecondsF());
 671   EXPECT_EQ(
 672       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.5)).InSecondsF());
 673 }
 674
 675 TEST(AnimationTest, TrimTimePlaybackFastReverse) {
 676   scoped_ptr<Animation> anim(CreateAnimation(1, 2, -2));
 677   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 678                    .InSecondsF());
 679   EXPECT_EQ(
 680       2, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0)).InSecondsF());
 681   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 682                      .InSecondsF());
 683   EXPECT_EQ(
 684       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5)).InSecondsF());
 685   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 686                      .InSecondsF());
 687   EXPECT_EQ(
 688       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 689   EXPECT_EQ(
 690       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5)).InSecondsF());
 691 }
 692
 693 TEST(AnimationTest, TrimTimePlaybackFastInfiniteIterations) {
 694   scoped_ptr<Animation> anim(CreateAnimation(-1, 4, 4));
 695   EXPECT_EQ(
 696       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 697   EXPECT_EQ(
 698       2, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5)).InSecondsF());
 699   EXPECT_EQ(
 700       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 701   EXPECT_EQ(
 702       2, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5)).InSecondsF());
 703   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1000.0))
 704                    .InSecondsF());
 705   EXPECT_EQ(2, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1000.5))
 706                    .InSecondsF());
 707 }
 708
 709 TEST(AnimationTest, TrimTimePlaybackNormalDoubleReverse) {
 710   scoped_ptr<Animation> anim(CreateAnimation(1, 1, -1));
 711   anim->set_direction(Animation::Reverse);
 712   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 713                    .InSecondsF());
 714   EXPECT_EQ(
 715       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 716   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 717                      .InSecondsF());
 718   EXPECT_EQ(
 719       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 720   EXPECT_EQ(
 721       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0)).InSecondsF());
 722 }
 723
 724 TEST(AnimationTest, TrimTimePlaybackFastDoubleReverse) {
 725   scoped_ptr<Animation> anim(CreateAnimation(1, 4, -2));
 726   anim->set_direction(Animation::Reverse);
 727   EXPECT_EQ(0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 728                    .InSecondsF());
 729   EXPECT_EQ(
 730       0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0)).InSecondsF());
 731   EXPECT_EQ(
 732       1, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5)).InSecondsF());
 733   EXPECT_EQ(
 734       2, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0)).InSecondsF());
 735   EXPECT_EQ(
 736       3, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5)).InSecondsF());
 737   EXPECT_EQ(
 738       4, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0)).InSecondsF());
 739   EXPECT_EQ(
 740       4, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.5)).InSecondsF());
 741 }
 742
 743 TEST(AnimationTest, TrimTimeAlternateTwoIterationsPlaybackFast) {
 744   scoped_ptr<Animation> anim(CreateAnimation(2, 2, 2));
 745   anim->set_direction(Animation::Alternate);
 746   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 747                      .InSecondsF());
 748   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 749                      .InSecondsF());
 750   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 751                      .InSecondsF());
 752   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 753                      .InSecondsF());
 754   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 755                      .InSecondsF());
 756   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 757                      .InSecondsF());
 758   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
 759                      .InSecondsF());
 760   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.75))
 761                      .InSecondsF());
 762   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 763                      .InSecondsF());
 764   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.25))
 765                      .InSecondsF());
 766 }
 767
 768 TEST(AnimationTest, TrimTimeAlternateTwoIterationsPlaybackFastReverse) {
 769   scoped_ptr<Animation> anim(CreateAnimation(2, 2, 2));
 770   anim->set_direction(Animation::AlternateReverse);
 771   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 772                      .InSecondsF());
 773   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 774                      .InSecondsF());
 775   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 776                      .InSecondsF());
 777   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 778                      .InSecondsF());
 779   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 780                      .InSecondsF());
 781   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 782                      .InSecondsF());
 783   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 784                      .InSecondsF());
 785   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
 786                      .InSecondsF());
 787   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.75))
 788                      .InSecondsF());
 789   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 790                      .InSecondsF());
 791   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.25))
 792                      .InSecondsF());
 793 }
 794
 795 TEST(AnimationTest, TrimTimeAlternateTwoIterationsPlaybackFastDoubleReverse) {
 796   scoped_ptr<Animation> anim(CreateAnimation(2, 2, -2));
 797   anim->set_direction(Animation::AlternateReverse);
 798   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 799                      .InSecondsF());
 800   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 801                      .InSecondsF());
 802   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 803                      .InSecondsF());
 804   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 805                      .InSecondsF());
 806   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 807                      .InSecondsF());
 808   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 809                      .InSecondsF());
 810   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
 811                      .InSecondsF());
 812   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.75))
 813                      .InSecondsF());
 814   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 815                      .InSecondsF());
 816   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.25))
 817                      .InSecondsF());
 818 }
 819
 820 TEST(AnimationTest,
 821      TrimTimeAlternateReverseThreeIterationsPlaybackFastAlternateReverse) {
 822   scoped_ptr<Animation> anim(CreateAnimation(3, 2, -2));
 823   anim->set_direction(Animation::AlternateReverse);
 824   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 825                      .InSecondsF());
 826   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.25))
 827                      .InSecondsF());
 828   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 829                      .InSecondsF());
 830   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.75))
 831                      .InSecondsF());
 832   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 833                      .InSecondsF());
 834   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.25))
 835                      .InSecondsF());
 836   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
 837                      .InSecondsF());
 838   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.75))
 839                      .InSecondsF());
 840   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 841                      .InSecondsF());
 842   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.25))
 843                      .InSecondsF());
 844   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.5))
 845                      .InSecondsF());
 846   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.75))
 847                      .InSecondsF());
 848   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3.0))
 849                      .InSecondsF());
 850   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3.25))
 851                      .InSecondsF());
 852 }
 853
 854 TEST(AnimationTest,
 855      TrimTimeAlternateReverseTwoIterationsPlaybackNormalAlternate) {
 856   scoped_ptr<Animation> anim(CreateAnimation(2, 2, -1));
 857   anim->set_direction(Animation::Alternate);
 858   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 859                      .InSecondsF());
 860   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 861                      .InSecondsF());
 862   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 863                      .InSecondsF());
 864   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
 865                      .InSecondsF());
 866   EXPECT_EQ(2.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 867                      .InSecondsF());
 868   EXPECT_EQ(1.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.5))
 869                      .InSecondsF());
 870   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3.0))
 871                      .InSecondsF());
 872   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3.5))
 873                      .InSecondsF());
 874   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.0))
 875                      .InSecondsF());
 876   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(4.5))
 877                      .InSecondsF());
 878 }
 879
 880 TEST(AnimationTest, TrimTimeIterationStart) {
 881   scoped_ptr<Animation> anim(CreateAnimation(2, 1, 1));
 882   anim->set_iteration_start(0.5);
 883   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 884                      .InSecondsF());
 885   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 886                      .InSecondsF());
 887   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 888                      .InSecondsF());
 889   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 890                      .InSecondsF());
 891   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
 892                      .InSecondsF());
 893   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 894                      .InSecondsF());
 895   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.5))
 896                      .InSecondsF());
 897 }
 898
 899 TEST(AnimationTest, TrimTimeIterationStartAlternate) {
 900   scoped_ptr<Animation> anim(CreateAnimation(2, 1, 1));
 901   anim->set_direction(Animation::Alternate);
 902   anim->set_iteration_start(0.3);
 903   EXPECT_EQ(0.3, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 904                      .InSecondsF());
 905   EXPECT_EQ(0.3, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 906                      .InSecondsF());
 907   EXPECT_EQ(0.8, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 908                      .InSecondsF());
 909   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.7))
 910                      .InSecondsF());
 911   EXPECT_EQ(0.7, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 912                      .InSecondsF());
 913   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.2))
 914                      .InSecondsF());
 915   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.7))
 916                      .InSecondsF());
 917 }
 918
 919 TEST(AnimationTest, TrimTimeIterationStartAlternateThreeIterations) {
 920   scoped_ptr<Animation> anim(CreateAnimation(3, 1, 1));
 921   anim->set_direction(Animation::Alternate);
 922   anim->set_iteration_start(1);
 923   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(-1.0))
 924                      .InSecondsF());
 925   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 926                      .InSecondsF());
 927   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.5))
 928                      .InSecondsF());
 929   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 930                      .InSecondsF());
 931   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.5))
 932                      .InSecondsF());
 933   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 934                      .InSecondsF());
 935   EXPECT_EQ(0.5, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.5))
 936                      .InSecondsF());
 937   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3.0))
 938                      .InSecondsF());
 939   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3.5))
 940                      .InSecondsF());
 941 }
 942
 943 TEST(AnimationTest,
 944      TrimTimeIterationStartAlternateThreeIterationsPlaybackReverse) {
 945   scoped_ptr<Animation> anim(CreateAnimation(3, 1, -1));
 946   anim->set_direction(Animation::Alternate);
 947   anim->set_iteration_start(1);
 948   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(0.0))
 949                      .InSecondsF());
 950   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(1.0))
 951                      .InSecondsF());
 952   EXPECT_EQ(0.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(2.0))
 953                      .InSecondsF());
 954   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3.0))
 955                      .InSecondsF());
 956   EXPECT_EQ(1.0, anim->TrimTimeToCurrentIteration(TicksFromSecondsF(3.5))
 957                      .InSecondsF());
 958 }
 959
 960 TEST(AnimationTest, InEffectFillMode) {
 961   scoped_ptr<Animation> anim(CreateAnimation(1));
 962   anim->set_fill_mode(Animation::FillModeNone);
 963   EXPECT_FALSE(anim->InEffect(TicksFromSecondsF(-1.0)));
 964   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(0.0)));
 965   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(1.0)));
 966
 967   anim->set_fill_mode(Animation::FillModeForwards);
 968   EXPECT_FALSE(anim->InEffect(TicksFromSecondsF(-1.0)));
 969   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(0.0)));
 970   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(1.0)));
 971
 972   anim->set_fill_mode(Animation::FillModeBackwards);
 973   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(-1.0)));
 974   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(0.0)));
 975   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(1.0)));
 976
 977   anim->set_fill_mode(Animation::FillModeBoth);
 978   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(-1.0)));
 979   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(0.0)));
 980   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(1.0)));
 981 }
 982
 983 TEST(AnimationTest, InEffectFillModePlayback) {
 984   scoped_ptr<Animation> anim(CreateAnimation(1, 1, -1));
 985   anim->set_fill_mode(Animation::FillModeNone);
 986   EXPECT_FALSE(anim->InEffect(TicksFromSecondsF(-1.0)));
 987   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(0.0)));
 988   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(1.0)));
 989
 990   anim->set_fill_mode(Animation::FillModeForwards);
 991   EXPECT_FALSE(anim->InEffect(TicksFromSecondsF(-1.0)));
 992   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(0.0)));
 993   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(1.0)));
 994
 995   anim->set_fill_mode(Animation::FillModeBackwards);
 996   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(-1.0)));
 997   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(0.0)));
 998   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(1.0)));
 999
1000   anim->set_fill_mode(Animation::FillModeBoth);
1001   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(-1.0)));
1002   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(0.0)));
1003   EXPECT_TRUE(anim->InEffect(TicksFromSecondsF(1.0)));
1004 }
1005
1006 }  // namespace
1007 }  // namespace cc