media/base/text_renderer_unittest.cc

   1 // Copyright 2013 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 <vector>
   6
   7 #include "base/bind.h"
   8 #include "base/callback_helpers.h"
   9 #include "base/memory/scoped_vector.h"
  10 #include "base/message_loop/message_loop.h"
  11 #include "media/base/audio_decoder_config.h"
  12 #include "media/base/decoder_buffer.h"
  13 #include "media/base/demuxer_stream.h"
  14 #include "media/base/fake_text_track_stream.h"
  15 #include "media/base/text_renderer.h"
  16 #include "media/base/text_track_config.h"
  17 #include "media/base/video_decoder_config.h"
  18 #include "media/filters/webvtt_util.h"
  19 #include "testing/gmock/include/gmock/gmock.h"
  20 #include "testing/gtest/include/gtest/gtest.h"
  21
  22 namespace media {
  23
  24 // Local implementation of the TextTrack interface.
  25 class FakeTextTrack : public TextTrack {
  26  public:
  27   FakeTextTrack(const base::Closure& destroy_cb,
  28                 const TextTrackConfig& config)
  29       : destroy_cb_(destroy_cb),
  30         config_(config) {
  31   }
  32   virtual ~FakeTextTrack() {
  33     destroy_cb_.Run();
  34   }
  35
  36   MOCK_METHOD5(addWebVTTCue, void(const base::TimeDelta& start,
  37                                   const base::TimeDelta& end,
  38                                   const std::string& id,
  39                                   const std::string& content,
  40                                   const std::string& settings));
  41
  42   const base::Closure destroy_cb_;
  43   const TextTrackConfig config_;
  44
  45  private:
  46   DISALLOW_COPY_AND_ASSIGN(FakeTextTrack);
  47 };
  48
  49 class TextRendererTest : public testing::Test {
  50  public:
  51   TextRendererTest() {}
  52
  53   void CreateTextRenderer() {
  54     DCHECK(!text_renderer_);
  55
  56     text_renderer_.reset(
  57         new TextRenderer(message_loop_.message_loop_proxy(),
  58                          base::Bind(&TextRendererTest::OnAddTextTrack,
  59                                     base::Unretained(this))));
  60     text_renderer_->Initialize(base::Bind(&TextRendererTest::OnEnd,
  61                                           base::Unretained(this)));
  62   }
  63
  64   void Destroy() {
  65     text_renderer_.reset();
  66     message_loop_.RunUntilIdle();
  67   }
  68
  69   void AddTextTrack(TextKind kind,
  70                     const std::string& name,
  71                     const std::string& language,
  72                     bool expect_read) {
  73     const size_t idx = text_track_streams_.size();
  74     text_track_streams_.push_back(new FakeTextTrackStream);
  75
  76     if (expect_read)
  77       ExpectRead(idx);
  78
  79     const TextTrackConfig config(kind, name, language, std::string());
  80     text_renderer_->AddTextStream(text_track_streams_.back(), config);
  81     message_loop_.RunUntilIdle();
  82
  83     EXPECT_EQ(text_tracks_.size(), text_track_streams_.size());
  84     FakeTextTrack* const text_track = text_tracks_.back();
  85     EXPECT_TRUE(text_track);
  86     EXPECT_TRUE(text_track->config_.Matches(config));
  87   }
  88
  89   void OnAddTextTrack(const TextTrackConfig& config,
  90                       const AddTextTrackDoneCB& done_cb) {
  91     base::Closure destroy_cb =
  92         base::Bind(&TextRendererTest::OnDestroyTextTrack,
  93                    base::Unretained(this),
  94                    text_tracks_.size());
  95     // Text track objects are owned by the text renderer, but we cache them
  96     // here so we can inspect them.  They get removed from our cache when the
  97     // text renderer deallocates them.
  98     text_tracks_.push_back(new FakeTextTrack(destroy_cb, config));
  99     scoped_ptr<TextTrack> text_track(text_tracks_.back());
 100     done_cb.Run(text_track.Pass());
 101   }
 102
 103   void RemoveTextTrack(unsigned idx) {
 104     FakeTextTrackStream* const stream = text_track_streams_[idx];
 105     text_renderer_->RemoveTextStream(stream);
 106     EXPECT_FALSE(text_tracks_[idx]);
 107   }
 108
 109   void SatisfyPendingReads(const base::TimeDelta& start,
 110                            const base::TimeDelta& duration,
 111                            const std::string& id,
 112                            const std::string& content,
 113                            const std::string& settings) {
 114     for (TextTrackStreams::iterator itr = text_track_streams_.begin();
 115          itr != text_track_streams_.end(); ++itr) {
 116       (*itr)->SatisfyPendingRead(start, duration, id, content, settings);
 117     }
 118   }
 119
 120   void AbortPendingRead(unsigned idx) {
 121     FakeTextTrackStream* const stream = text_track_streams_[idx];
 122     stream->AbortPendingRead();
 123     message_loop_.RunUntilIdle();
 124   }
 125
 126   void AbortPendingReads() {
 127     for (size_t idx = 0; idx < text_track_streams_.size(); ++idx) {
 128       AbortPendingRead(idx);
 129     }
 130   }
 131
 132   void SendEosNotification(unsigned idx) {
 133     FakeTextTrackStream* const stream = text_track_streams_[idx];
 134     stream->SendEosNotification();
 135     message_loop_.RunUntilIdle();
 136   }
 137
 138   void SendEosNotifications() {
 139     for (size_t idx = 0; idx < text_track_streams_.size(); ++idx) {
 140       SendEosNotification(idx);
 141     }
 142   }
 143
 144   void SendCue(unsigned idx, bool expect_cue) {
 145     FakeTextTrackStream* const text_stream = text_track_streams_[idx];
 146
 147     const base::TimeDelta start;
 148     const base::TimeDelta duration = base::TimeDelta::FromSeconds(42);
 149     const std::string id = "id";
 150     const std::string content = "subtitle";
 151     const std::string settings;
 152
 153     if (expect_cue) {
 154       FakeTextTrack* const text_track = text_tracks_[idx];
 155       EXPECT_CALL(*text_track, addWebVTTCue(start,
 156                                             start + duration,
 157                                             id,
 158                                             content,
 159                                             settings));
 160     }
 161
 162     text_stream->SatisfyPendingRead(start, duration, id, content, settings);
 163     message_loop_.RunUntilIdle();
 164   }
 165
 166   void SendCues(bool expect_cue) {
 167     for (size_t idx = 0; idx < text_track_streams_.size(); ++idx) {
 168       SendCue(idx, expect_cue);
 169     }
 170   }
 171
 172   void OnDestroyTextTrack(unsigned idx) {
 173     text_tracks_[idx] = NULL;
 174   }
 175
 176   void Play() {
 177     text_renderer_->StartPlaying();
 178   }
 179
 180   void Pause() {
 181     text_renderer_->Pause(base::Bind(&TextRendererTest::OnPause,
 182                                      base::Unretained(this)));
 183     message_loop_.RunUntilIdle();
 184   }
 185
 186   void Flush() {
 187     EXPECT_CALL(*this, OnFlush());
 188     text_renderer_->Flush(base::Bind(&TextRendererTest::OnFlush,
 189                                      base::Unretained(this)));
 190   }
 191
 192   void ExpectRead(size_t idx) {
 193     FakeTextTrackStream* const stream = text_track_streams_[idx];
 194     EXPECT_CALL(*stream, OnRead());
 195   }
 196
 197   MOCK_METHOD0(OnEnd, void());
 198   MOCK_METHOD0(OnPause, void());
 199   MOCK_METHOD0(OnFlush, void());
 200
 201   base::MessageLoop message_loop_;
 202
 203   typedef ScopedVector<FakeTextTrackStream> TextTrackStreams;
 204   TextTrackStreams text_track_streams_;
 205
 206   typedef std::vector<FakeTextTrack*> TextTracks;
 207   TextTracks text_tracks_;
 208
 209   scoped_ptr<TextRenderer> text_renderer_;
 210
 211  private:
 212   DISALLOW_COPY_AND_ASSIGN(TextRendererTest);
 213 };
 214
 215 TEST_F(TextRendererTest, CreateTextRendererNoInit) {
 216   text_renderer_.reset(
 217       new TextRenderer(message_loop_.message_loop_proxy(),
 218                        base::Bind(&TextRendererTest::OnAddTextTrack,
 219                                   base::Unretained(this))));
 220   text_renderer_.reset();
 221 }
 222
 223 TEST_F(TextRendererTest, Create) {
 224   CreateTextRenderer();
 225 }
 226
 227 TEST_F(TextRendererTest, AddTextTrackOnly_OneTrack) {
 228   CreateTextRenderer();
 229   AddTextTrack(kTextSubtitles, "", "", false);
 230 }
 231
 232 TEST_F(TextRendererTest, AddTextTrackOnly_TwoTracks) {
 233   CreateTextRenderer();
 234   AddTextTrack(kTextSubtitles, "track 1", "", false);
 235   AddTextTrack(kTextSubtitles, "track 2", "", false);
 236 }
 237
 238 TEST_F(TextRendererTest, PlayOnly) {
 239   CreateTextRenderer();
 240   Play();
 241 }
 242
 243 TEST_F(TextRendererTest, AddTrackBeforePlay_OneTrack) {
 244   CreateTextRenderer();
 245   AddTextTrack(kTextSubtitles, "", "", true);
 246   Play();
 247   AbortPendingReads();
 248 }
 249
 250 TEST_F(TextRendererTest, AddTrackBeforePlay_TwoTracks) {
 251   CreateTextRenderer();
 252   AddTextTrack(kTextSubtitles, "1", "", true);
 253   AddTextTrack(kTextSubtitles, "2", "", true);
 254   Play();
 255   AbortPendingReads();
 256 }
 257
 258 TEST_F(TextRendererTest, AddTrackAfterPlay_OneTrackAfter) {
 259   CreateTextRenderer();
 260   Play();
 261   AddTextTrack(kTextSubtitles, "", "", true);
 262   AbortPendingReads();
 263 }
 264
 265 TEST_F(TextRendererTest, AddTrackAfterPlay_TwoTracksAfter) {
 266   CreateTextRenderer();
 267   Play();
 268   AddTextTrack(kTextSubtitles, "1", "", true);
 269   AddTextTrack(kTextSubtitles, "2", "", true);
 270   AbortPendingReads();
 271 }
 272
 273 TEST_F(TextRendererTest, AddTrackAfterPlay_OneTrackBeforeOneTrackAfter) {
 274   CreateTextRenderer();
 275   AddTextTrack(kTextSubtitles, "1", "", true);
 276   Play();
 277   AddTextTrack(kTextSubtitles, "2", "", true);
 278   AbortPendingReads();
 279 }
 280
 281 TEST_F(TextRendererTest, PlayAddCue_OneTrack) {
 282   CreateTextRenderer();
 283   AddTextTrack(kTextSubtitles, "", "", true);
 284   Play();
 285   ExpectRead(0);
 286   SendCues(true);
 287   AbortPendingReads();
 288 }
 289
 290 TEST_F(TextRendererTest, PlayAddCue_TwoTracks) {
 291   CreateTextRenderer();
 292   AddTextTrack(kTextSubtitles, "1", "", true);
 293   AddTextTrack(kTextSubtitles, "2", "", true);
 294   Play();
 295   ExpectRead(0);
 296   ExpectRead(1);
 297   SendCues(true);
 298   AbortPendingReads();
 299 }
 300
 301 TEST_F(TextRendererTest, PlayEosOnly_OneTrack) {
 302   CreateTextRenderer();
 303   AddTextTrack(kTextSubtitles, "", "", true);
 304   Play();
 305   EXPECT_CALL(*this, OnEnd());
 306   SendEosNotifications();
 307 }
 308
 309 TEST_F(TextRendererTest, PlayEosOnly_TwoTracks) {
 310   CreateTextRenderer();
 311   AddTextTrack(kTextSubtitles, "1", "", true);
 312   AddTextTrack(kTextSubtitles, "2", "", true);
 313   Play();
 314   EXPECT_CALL(*this, OnEnd());
 315   SendEosNotifications();
 316 }
 317
 318 TEST_F(TextRendererTest, PlayCueEos_OneTrack) {
 319   CreateTextRenderer();
 320   AddTextTrack(kTextSubtitles, "", "", true);
 321   Play();
 322   ExpectRead(0);
 323   SendCues(true);
 324   EXPECT_CALL(*this, OnEnd());
 325   SendEosNotifications();
 326 }
 327
 328 TEST_F(TextRendererTest, PlayCueEos_TwoTracks) {
 329   CreateTextRenderer();
 330   AddTextTrack(kTextSubtitles, "1", "", true);
 331   AddTextTrack(kTextSubtitles, "2", "", true);
 332   Play();
 333   ExpectRead(0);
 334   ExpectRead(1);
 335   SendCues(true);
 336   EXPECT_CALL(*this, OnEnd());
 337   SendEosNotifications();
 338 }
 339
 340 TEST_F(TextRendererTest, DestroyPending_OneTrack) {
 341   CreateTextRenderer();
 342   AddTextTrack(kTextSubtitles, "", "", true);
 343   Play();
 344   Destroy();
 345   SendEosNotifications();
 346 }
 347
 348 TEST_F(TextRendererTest, DestroyPending_TwoTracks) {
 349   CreateTextRenderer();
 350   AddTextTrack(kTextSubtitles, "1", "", true);
 351   AddTextTrack(kTextSubtitles, "2", "", true);
 352   Play();
 353   Destroy();
 354   SendEosNotifications();
 355 }
 356
 357 TEST_F(TextRendererTest, PlayPause_OneTrack) {
 358   CreateTextRenderer();
 359   AddTextTrack(kTextSubtitles, "", "", true);
 360   Play();
 361   AbortPendingReads();
 362   EXPECT_CALL(*this, OnPause());
 363   Pause();
 364 }
 365
 366 TEST_F(TextRendererTest, PlayPause_TwoTracks) {
 367   CreateTextRenderer();
 368   AddTextTrack(kTextSubtitles, "1", "", true);
 369   AddTextTrack(kTextSubtitles, "2", "", true);
 370   Play();
 371   AbortPendingReads();
 372   EXPECT_CALL(*this, OnPause());
 373   Pause();
 374 }
 375
 376 TEST_F(TextRendererTest, PlayEosPausePending_OneTrack) {
 377   CreateTextRenderer();
 378   AddTextTrack(kTextSubtitles, "", "", true);
 379   Play();
 380   Pause();
 381   EXPECT_CALL(*this, OnPause());
 382   SendEosNotifications();
 383 }
 384
 385 TEST_F(TextRendererTest, PlayEosPausePending_TwoTracks) {
 386   CreateTextRenderer();
 387   AddTextTrack(kTextSubtitles, "1", "", true);
 388   AddTextTrack(kTextSubtitles, "2", "", true);
 389   Play();
 390   Pause();
 391   EXPECT_CALL(*this, OnPause());
 392   SendEosNotifications();
 393 }
 394
 395 TEST_F(TextRendererTest, PlayCuePausePending_OneTrack) {
 396   CreateTextRenderer();
 397   AddTextTrack(kTextSubtitles, "", "", true);
 398   Play();
 399   Pause();
 400   EXPECT_CALL(*this, OnPause());
 401   SendCues(true);
 402 }
 403
 404 TEST_F(TextRendererTest, PlayCuePausePending_TwoTracks) {
 405   CreateTextRenderer();
 406   AddTextTrack(kTextSubtitles, "1", "", true);
 407   AddTextTrack(kTextSubtitles, "2", "", true);
 408   Play();
 409   Pause();
 410   EXPECT_CALL(*this, OnPause());
 411   SendCues(true);
 412 }
 413
 414 TEST_F(TextRendererTest, PlayEosPause_OneTrack) {
 415   CreateTextRenderer();
 416   AddTextTrack(kTextSubtitles, "", "", true);
 417   Play();
 418   EXPECT_CALL(*this, OnEnd());
 419   SendEosNotifications();
 420   EXPECT_CALL(*this, OnPause());
 421   Pause();
 422 }
 423
 424 TEST_F(TextRendererTest, PlayEosPause_TwoTracks) {
 425   CreateTextRenderer();
 426   AddTextTrack(kTextSubtitles, "1", "", true);
 427   AddTextTrack(kTextSubtitles, "2", "", true);
 428   Play();
 429   EXPECT_CALL(*this, OnEnd());
 430   SendEosNotifications();
 431   EXPECT_CALL(*this, OnPause());
 432   Pause();
 433 }
 434
 435 TEST_F(TextRendererTest, PlayEosPause_SplitEos) {
 436   CreateTextRenderer();
 437   AddTextTrack(kTextSubtitles, "1", "", true);
 438   AddTextTrack(kTextSubtitles, "2", "", true);
 439   Play();
 440   SendEosNotification(0);
 441   EXPECT_CALL(*this, OnEnd());
 442   SendEosNotification(1);
 443   EXPECT_CALL(*this, OnPause());
 444   Pause();
 445 }
 446
 447 TEST_F(TextRendererTest, PlayEosFlush_OneTrack) {
 448   CreateTextRenderer();
 449   AddTextTrack(kTextSubtitles, "", "", true);
 450   Play();
 451   EXPECT_CALL(*this, OnEnd());
 452   SendEosNotifications();
 453   EXPECT_CALL(*this, OnPause());
 454   Pause();
 455   Flush();
 456   ExpectRead(0);
 457   Play();
 458   EXPECT_CALL(*this, OnEnd());
 459   SendEosNotifications();
 460 }
 461
 462 TEST_F(TextRendererTest, PlayEosFlush_TwoTracks) {
 463   CreateTextRenderer();
 464   AddTextTrack(kTextSubtitles, "1", "", true);
 465   AddTextTrack(kTextSubtitles, "2", "", true);
 466   Play();
 467   EXPECT_CALL(*this, OnEnd());
 468   SendEosNotifications();
 469   EXPECT_CALL(*this, OnPause());
 470   Pause();
 471   Flush();
 472   ExpectRead(0);
 473   ExpectRead(1);
 474   Play();
 475   EXPECT_CALL(*this, OnEnd());
 476   SendEosNotifications();
 477 }
 478
 479 TEST_F(TextRendererTest, AddTextTrackOnlyRemove_OneTrack) {
 480   CreateTextRenderer();
 481   AddTextTrack(kTextSubtitles, "", "", false);
 482   EXPECT_TRUE(text_renderer_->HasTracks());
 483 }
 484
 485 TEST_F(TextRendererTest, AddTextTrackOnlyRemove_TwoTracks) {
 486   CreateTextRenderer();
 487   AddTextTrack(kTextSubtitles, "track 1", "", false);
 488   AddTextTrack(kTextSubtitles, "track 2", "", false);
 489   RemoveTextTrack(0);
 490   EXPECT_TRUE(text_renderer_->HasTracks());
 491   RemoveTextTrack(1);
 492   EXPECT_FALSE(text_renderer_->HasTracks());
 493 }
 494
 495 TEST_F(TextRendererTest, AddTrackBeforePlayRemove_OneTrack) {
 496   CreateTextRenderer();
 497   AddTextTrack(kTextSubtitles, "", "", true);
 498   Play();
 499   AbortPendingReads();
 500   RemoveTextTrack(0);
 501   EXPECT_FALSE(text_renderer_->HasTracks());
 502 }
 503
 504 TEST_F(TextRendererTest, AddTrackBeforePlayRemove_TwoTracks) {
 505   CreateTextRenderer();
 506   AddTextTrack(kTextSubtitles, "1", "", true);
 507   AddTextTrack(kTextSubtitles, "2", "", true);
 508   Play();
 509   AbortPendingReads();
 510   RemoveTextTrack(0);
 511   EXPECT_TRUE(text_renderer_->HasTracks());
 512   RemoveTextTrack(1);
 513   EXPECT_FALSE(text_renderer_->HasTracks());
 514 }
 515
 516 TEST_F(TextRendererTest, AddTrackBeforePlayRemove_SeparateCancel) {
 517   CreateTextRenderer();
 518   AddTextTrack(kTextSubtitles, "1", "", true);
 519   AddTextTrack(kTextSubtitles, "2", "", true);
 520   Play();
 521   AbortPendingRead(0);
 522   RemoveTextTrack(0);
 523   EXPECT_TRUE(text_renderer_->HasTracks());
 524   AbortPendingRead(1);
 525   RemoveTextTrack(1);
 526   EXPECT_FALSE(text_renderer_->HasTracks());
 527 }
 528
 529 TEST_F(TextRendererTest, AddTrackBeforePlayRemove_RemoveOneThenPlay) {
 530   CreateTextRenderer();
 531   AddTextTrack(kTextSubtitles, "1", "", false);
 532   AddTextTrack(kTextSubtitles, "2", "", true);
 533   RemoveTextTrack(0);
 534   EXPECT_TRUE(text_renderer_->HasTracks());
 535   Play();
 536   AbortPendingRead(1);
 537   RemoveTextTrack(1);
 538   EXPECT_FALSE(text_renderer_->HasTracks());
 539 }
 540
 541 TEST_F(TextRendererTest, AddTrackBeforePlayRemove_RemoveTwoThenPlay) {
 542   CreateTextRenderer();
 543   AddTextTrack(kTextSubtitles, "1", "", false);
 544   AddTextTrack(kTextSubtitles, "2", "", false);
 545   RemoveTextTrack(0);
 546   EXPECT_TRUE(text_renderer_->HasTracks());
 547   RemoveTextTrack(1);
 548   EXPECT_FALSE(text_renderer_->HasTracks());
 549   Play();
 550 }
 551
 552 TEST_F(TextRendererTest, AddTrackAfterPlayRemove_OneTrack) {
 553   CreateTextRenderer();
 554   Play();
 555   AddTextTrack(kTextSubtitles, "", "", true);
 556   AbortPendingReads();
 557   RemoveTextTrack(0);
 558   EXPECT_FALSE(text_renderer_->HasTracks());
 559 }
 560
 561 TEST_F(TextRendererTest, AddTrackAfterPlayRemove_TwoTracks) {
 562   CreateTextRenderer();
 563   Play();
 564   AddTextTrack(kTextSubtitles, "1", "", true);
 565   AddTextTrack(kTextSubtitles, "2", "", true);
 566   AbortPendingReads();
 567   RemoveTextTrack(0);
 568   EXPECT_TRUE(text_renderer_->HasTracks());
 569   RemoveTextTrack(1);
 570   EXPECT_FALSE(text_renderer_->HasTracks());
 571 }
 572
 573 TEST_F(TextRendererTest, AddTrackAfterPlayRemove_SplitCancel) {
 574   CreateTextRenderer();
 575   Play();
 576   AddTextTrack(kTextSubtitles, "1", "", true);
 577   AddTextTrack(kTextSubtitles, "2", "", true);
 578   AbortPendingRead(0);
 579   RemoveTextTrack(0);
 580   EXPECT_TRUE(text_renderer_->HasTracks());
 581   AbortPendingRead(1);
 582   RemoveTextTrack(1);
 583   EXPECT_FALSE(text_renderer_->HasTracks());
 584 }
 585
 586 TEST_F(TextRendererTest, AddTrackAfterPlayRemove_SplitAdd) {
 587   CreateTextRenderer();
 588   AddTextTrack(kTextSubtitles, "1", "", true);
 589   Play();
 590   AddTextTrack(kTextSubtitles, "2", "", true);
 591   AbortPendingRead(0);
 592   RemoveTextTrack(0);
 593   EXPECT_TRUE(text_renderer_->HasTracks());
 594   AbortPendingRead(1);
 595   RemoveTextTrack(1);
 596   EXPECT_FALSE(text_renderer_->HasTracks());
 597 }
 598
 599 TEST_F(TextRendererTest, PlayAddCueRemove_OneTrack) {
 600   CreateTextRenderer();
 601   AddTextTrack(kTextSubtitles, "", "", true);
 602   Play();
 603   ExpectRead(0);
 604   SendCues(true);
 605   AbortPendingReads();
 606   RemoveTextTrack(0);
 607   EXPECT_FALSE(text_renderer_->HasTracks());
 608 }
 609
 610 TEST_F(TextRendererTest, PlayAddCueRemove_TwoTracks) {
 611   CreateTextRenderer();
 612   AddTextTrack(kTextSubtitles, "1", "", true);
 613   AddTextTrack(kTextSubtitles, "2", "", true);
 614   Play();
 615   ExpectRead(0);
 616   ExpectRead(1);
 617   SendCues(true);
 618   AbortPendingRead(0);
 619   AbortPendingRead(1);
 620   RemoveTextTrack(0);
 621   EXPECT_TRUE(text_renderer_->HasTracks());
 622   RemoveTextTrack(1);
 623   EXPECT_FALSE(text_renderer_->HasTracks());
 624 }
 625
 626 TEST_F(TextRendererTest, PlayEosOnlyRemove_OneTrack) {
 627   CreateTextRenderer();
 628   AddTextTrack(kTextSubtitles, "", "", true);
 629   Play();
 630   EXPECT_CALL(*this, OnEnd());
 631   SendEosNotifications();
 632   RemoveTextTrack(0);
 633   EXPECT_FALSE(text_renderer_->HasTracks());
 634 }
 635
 636 TEST_F(TextRendererTest, PlayEosOnlyRemove_TwoTracks) {
 637   CreateTextRenderer();
 638   AddTextTrack(kTextSubtitles, "1", "", true);
 639   AddTextTrack(kTextSubtitles, "2", "", true);
 640   Play();
 641   EXPECT_CALL(*this, OnEnd());
 642   SendEosNotifications();
 643   RemoveTextTrack(0);
 644   EXPECT_TRUE(text_renderer_->HasTracks());
 645   RemoveTextTrack(1);
 646   EXPECT_FALSE(text_renderer_->HasTracks());
 647 }
 648
 649 TEST_F(TextRendererTest, PlayCueEosRemove_OneTrack) {
 650   CreateTextRenderer();
 651   AddTextTrack(kTextSubtitles, "", "", true);
 652   Play();
 653   ExpectRead(0);
 654   SendCues(true);
 655   EXPECT_CALL(*this, OnEnd());
 656   SendEosNotifications();
 657   RemoveTextTrack(0);
 658   EXPECT_FALSE(text_renderer_->HasTracks());
 659 }
 660
 661 TEST_F(TextRendererTest, PlayCueEosRemove_TwoTracks) {
 662   CreateTextRenderer();
 663   AddTextTrack(kTextSubtitles, "1", "", true);
 664   AddTextTrack(kTextSubtitles, "2", "", true);
 665   Play();
 666   ExpectRead(0);
 667   ExpectRead(1);
 668   SendCues(true);
 669   EXPECT_CALL(*this, OnEnd());
 670   SendEosNotifications();
 671   RemoveTextTrack(0);
 672   EXPECT_TRUE(text_renderer_->HasTracks());
 673   RemoveTextTrack(1);
 674   EXPECT_FALSE(text_renderer_->HasTracks());
 675 }
 676
 677 TEST_F(TextRendererTest, PlayPauseRemove_PauseThenRemove) {
 678   CreateTextRenderer();
 679   AddTextTrack(kTextSubtitles, "", "", true);
 680   Play();
 681   AbortPendingReads();
 682   EXPECT_CALL(*this, OnPause());
 683   Pause();
 684   RemoveTextTrack(0);
 685   EXPECT_FALSE(text_renderer_->HasTracks());
 686 }
 687
 688 TEST_F(TextRendererTest, PlayPauseRemove_RemoveThanPause) {
 689   CreateTextRenderer();
 690   AddTextTrack(kTextSubtitles, "", "", true);
 691   Play();
 692   AbortPendingReads();
 693   RemoveTextTrack(0);
 694   EXPECT_FALSE(text_renderer_->HasTracks());
 695   EXPECT_CALL(*this, OnPause());
 696   Pause();
 697 }
 698
 699 TEST_F(TextRendererTest, PlayPause_PauseThenRemoveTwoTracks) {
 700   CreateTextRenderer();
 701   AddTextTrack(kTextSubtitles, "1", "", true);
 702   AddTextTrack(kTextSubtitles, "2", "", true);
 703   Play();
 704   AbortPendingReads();
 705   EXPECT_CALL(*this, OnPause());
 706   Pause();
 707   RemoveTextTrack(0);
 708   EXPECT_TRUE(text_renderer_->HasTracks());
 709   RemoveTextTrack(1);
 710   EXPECT_FALSE(text_renderer_->HasTracks());
 711 }
 712
 713 TEST_F(TextRendererTest, PlayPauseRemove_RemoveThenPauseTwoTracks) {
 714   CreateTextRenderer();
 715   AddTextTrack(kTextSubtitles, "1", "", true);
 716   AddTextTrack(kTextSubtitles, "2", "", true);
 717   Play();
 718   AbortPendingReads();
 719   RemoveTextTrack(0);
 720   EXPECT_TRUE(text_renderer_->HasTracks());
 721   EXPECT_CALL(*this, OnPause());
 722   Pause();
 723   RemoveTextTrack(1);
 724   EXPECT_FALSE(text_renderer_->HasTracks());
 725 }
 726
 727 TEST_F(TextRendererTest, PlayPauseRemove_SplitCancel) {
 728   CreateTextRenderer();
 729   AddTextTrack(kTextSubtitles, "1", "", true);
 730   AddTextTrack(kTextSubtitles, "2", "", true);
 731   Play();
 732   AbortPendingRead(0);
 733   RemoveTextTrack(0);
 734   EXPECT_TRUE(text_renderer_->HasTracks());
 735   AbortPendingRead(1);
 736   EXPECT_CALL(*this, OnPause());
 737   Pause();
 738   RemoveTextTrack(1);
 739   EXPECT_FALSE(text_renderer_->HasTracks());
 740 }
 741
 742
 743 TEST_F(TextRendererTest, PlayPauseRemove_PauseLast) {
 744   CreateTextRenderer();
 745   AddTextTrack(kTextSubtitles, "1", "", true);
 746   AddTextTrack(kTextSubtitles, "2", "", true);
 747   Play();
 748   AbortPendingRead(0);
 749   RemoveTextTrack(0);
 750   EXPECT_TRUE(text_renderer_->HasTracks());
 751   AbortPendingRead(1);
 752   RemoveTextTrack(1);
 753   EXPECT_FALSE(text_renderer_->HasTracks());
 754   EXPECT_CALL(*this, OnPause());
 755   Pause();
 756 }
 757
 758 TEST_F(TextRendererTest, PlayEosPausePendingRemove_OneTrack) {
 759   CreateTextRenderer();
 760   AddTextTrack(kTextSubtitles, "", "", true);
 761   Play();
 762   Pause();
 763   EXPECT_CALL(*this, OnPause());
 764   SendEosNotifications();
 765   RemoveTextTrack(0);
 766   EXPECT_FALSE(text_renderer_->HasTracks());
 767 }
 768
 769 TEST_F(TextRendererTest, PlayEosPausePendingRemove_TwoTracks) {
 770   CreateTextRenderer();
 771   AddTextTrack(kTextSubtitles, "1", "", true);
 772   AddTextTrack(kTextSubtitles, "2", "", true);
 773   Play();
 774   Pause();
 775   SendEosNotification(0);
 776   EXPECT_CALL(*this, OnPause());
 777   SendEosNotification(1);
 778   RemoveTextTrack(0);
 779   EXPECT_TRUE(text_renderer_->HasTracks());
 780   RemoveTextTrack(1);
 781   EXPECT_FALSE(text_renderer_->HasTracks());
 782 }
 783
 784 TEST_F(TextRendererTest, PlayEosPausePendingRemove_SplitEos) {
 785   CreateTextRenderer();
 786   AddTextTrack(kTextSubtitles, "1", "", true);
 787   AddTextTrack(kTextSubtitles, "2", "", true);
 788   Play();
 789   Pause();
 790   SendEosNotification(0);
 791   RemoveTextTrack(0);
 792   EXPECT_TRUE(text_renderer_->HasTracks());
 793   EXPECT_CALL(*this, OnPause());
 794   SendEosNotification(1);
 795   RemoveTextTrack(1);
 796   EXPECT_FALSE(text_renderer_->HasTracks());
 797 }
 798
 799 TEST_F(TextRendererTest, PlayCuePausePendingRemove_OneTrack) {
 800   CreateTextRenderer();
 801   AddTextTrack(kTextSubtitles, "", "", true);
 802   Play();
 803   Pause();
 804   EXPECT_CALL(*this, OnPause());
 805   SendCues(true);
 806   RemoveTextTrack(0);
 807   EXPECT_FALSE(text_renderer_->HasTracks());
 808 }
 809
 810 TEST_F(TextRendererTest, PlayCuePausePendingRemove_TwoTracks) {
 811   CreateTextRenderer();
 812   AddTextTrack(kTextSubtitles, "1", "", true);
 813   AddTextTrack(kTextSubtitles, "2", "", true);
 814   Play();
 815   Pause();
 816   SendCue(0, true);
 817   EXPECT_CALL(*this, OnPause());
 818   SendCue(1, true);
 819   RemoveTextTrack(0);
 820   EXPECT_TRUE(text_renderer_->HasTracks());
 821   RemoveTextTrack(1);
 822   EXPECT_FALSE(text_renderer_->HasTracks());
 823 }
 824
 825 TEST_F(TextRendererTest, PlayCuePausePendingRemove_SplitSendCue) {
 826   CreateTextRenderer();
 827   AddTextTrack(kTextSubtitles, "1", "", true);
 828   AddTextTrack(kTextSubtitles, "2", "", true);
 829   Play();
 830   Pause();
 831   SendCue(0, true);
 832   RemoveTextTrack(0);
 833   EXPECT_TRUE(text_renderer_->HasTracks());
 834   EXPECT_CALL(*this, OnPause());
 835   SendCue(1, true);
 836   RemoveTextTrack(1);
 837   EXPECT_FALSE(text_renderer_->HasTracks());
 838 }
 839
 840 TEST_F(TextRendererTest, PlayEosPauseRemove_PauseThenRemove) {
 841   CreateTextRenderer();
 842   AddTextTrack(kTextSubtitles, "", "", true);
 843   Play();
 844   EXPECT_CALL(*this, OnEnd());
 845   SendEosNotifications();
 846   EXPECT_CALL(*this, OnPause());
 847   Pause();
 848   RemoveTextTrack(0);
 849   EXPECT_FALSE(text_renderer_->HasTracks());
 850 }
 851
 852 TEST_F(TextRendererTest, PlayEosPauseRemove_RemoveThenPause) {
 853   CreateTextRenderer();
 854   AddTextTrack(kTextSubtitles, "", "", true);
 855   Play();
 856   EXPECT_CALL(*this, OnEnd());
 857   SendEosNotifications();
 858   RemoveTextTrack(0);
 859   EXPECT_FALSE(text_renderer_->HasTracks());
 860   EXPECT_CALL(*this, OnPause());
 861   Pause();
 862 }
 863
 864 TEST_F(TextRendererTest, PlayEosPause_PauseThenRemoveTwoTracks) {
 865   CreateTextRenderer();
 866   AddTextTrack(kTextSubtitles, "1", "", true);
 867   AddTextTrack(kTextSubtitles, "2", "", true);
 868   Play();
 869   SendEosNotification(0);
 870   EXPECT_CALL(*this, OnEnd());
 871   SendEosNotification(1);
 872   EXPECT_CALL(*this, OnPause());
 873   Pause();
 874   RemoveTextTrack(0);
 875   EXPECT_TRUE(text_renderer_->HasTracks());
 876   RemoveTextTrack(1);
 877   EXPECT_FALSE(text_renderer_->HasTracks());
 878 }
 879
 880 TEST_F(TextRendererTest, PlayEosPause_RemovePauseRemove) {
 881   CreateTextRenderer();
 882   AddTextTrack(kTextSubtitles, "1", "", true);
 883   AddTextTrack(kTextSubtitles, "2", "", true);
 884   Play();
 885   SendEosNotification(0);
 886   EXPECT_CALL(*this, OnEnd());
 887   SendEosNotification(1);
 888   RemoveTextTrack(0);
 889   EXPECT_TRUE(text_renderer_->HasTracks());
 890   EXPECT_CALL(*this, OnPause());
 891   Pause();
 892   RemoveTextTrack(1);
 893   EXPECT_FALSE(text_renderer_->HasTracks());
 894 }
 895
 896 TEST_F(TextRendererTest, PlayEosPause_EosThenPause) {
 897   CreateTextRenderer();
 898   AddTextTrack(kTextSubtitles, "1", "", true);
 899   AddTextTrack(kTextSubtitles, "2", "", true);
 900   Play();
 901   SendEosNotification(0);
 902   RemoveTextTrack(0);
 903   EXPECT_TRUE(text_renderer_->HasTracks());
 904   EXPECT_CALL(*this, OnEnd());
 905   SendEosNotification(1);
 906   EXPECT_CALL(*this, OnPause());
 907   Pause();
 908   RemoveTextTrack(1);
 909   EXPECT_FALSE(text_renderer_->HasTracks());
 910 }
 911
 912 TEST_F(TextRendererTest, PlayEosPause_PauseLast) {
 913   CreateTextRenderer();
 914   AddTextTrack(kTextSubtitles, "1", "", true);
 915   AddTextTrack(kTextSubtitles, "2", "", true);
 916   Play();
 917   SendEosNotification(0);
 918   RemoveTextTrack(0);
 919   EXPECT_TRUE(text_renderer_->HasTracks());
 920   EXPECT_CALL(*this, OnEnd());
 921   SendEosNotification(1);
 922   RemoveTextTrack(1);
 923   EXPECT_FALSE(text_renderer_->HasTracks());
 924   EXPECT_CALL(*this, OnPause());
 925   Pause();
 926 }
 927
 928 TEST_F(TextRendererTest, PlayEosPause_EosPauseRemove) {
 929   CreateTextRenderer();
 930   AddTextTrack(kTextSubtitles, "1", "", true);
 931   AddTextTrack(kTextSubtitles, "2", "", true);
 932   Play();
 933   SendEosNotification(0);
 934   EXPECT_CALL(*this, OnEnd());
 935   SendEosNotification(1);
 936   EXPECT_CALL(*this, OnPause());
 937   Pause();
 938   RemoveTextTrack(0);
 939   EXPECT_TRUE(text_renderer_->HasTracks());
 940   RemoveTextTrack(1);
 941   EXPECT_FALSE(text_renderer_->HasTracks());
 942 }
 943
 944 TEST_F(TextRendererTest, PlayEosPause_EosRemovePause) {
 945   CreateTextRenderer();
 946   AddTextTrack(kTextSubtitles, "1", "", true);
 947   AddTextTrack(kTextSubtitles, "2", "", true);
 948   Play();
 949   SendEosNotification(0);
 950   EXPECT_CALL(*this, OnEnd());
 951   SendEosNotification(1);
 952   RemoveTextTrack(0);
 953   EXPECT_TRUE(text_renderer_->HasTracks());
 954   EXPECT_CALL(*this, OnPause());
 955   Pause();
 956   RemoveTextTrack(1);
 957   EXPECT_FALSE(text_renderer_->HasTracks());
 958 }
 959
 960 TEST_F(TextRendererTest, PlayEosPause_EosRemoveEosPause) {
 961   CreateTextRenderer();
 962   AddTextTrack(kTextSubtitles, "1", "", true);
 963   AddTextTrack(kTextSubtitles, "2", "", true);
 964   Play();
 965   SendEosNotification(0);
 966   RemoveTextTrack(0);
 967   EXPECT_TRUE(text_renderer_->HasTracks());
 968   EXPECT_CALL(*this, OnEnd());
 969   SendEosNotification(1);
 970   EXPECT_CALL(*this, OnPause());
 971   Pause();
 972   RemoveTextTrack(1);
 973   EXPECT_FALSE(text_renderer_->HasTracks());
 974 }
 975
 976 TEST_F(TextRendererTest, PlayEosPause_EosRemoveEosRemovePause) {
 977   CreateTextRenderer();
 978   AddTextTrack(kTextSubtitles, "1", "", true);
 979   AddTextTrack(kTextSubtitles, "2", "", true);
 980   Play();
 981   SendEosNotification(0);
 982   RemoveTextTrack(0);
 983   EXPECT_TRUE(text_renderer_->HasTracks());
 984   EXPECT_CALL(*this, OnEnd());
 985   SendEosNotification(1);
 986   RemoveTextTrack(1);
 987   EXPECT_FALSE(text_renderer_->HasTracks());
 988   EXPECT_CALL(*this, OnPause());
 989   Pause();
 990 }
 991
 992 TEST_F(TextRendererTest, PlayEosFlushRemove_OneTrack) {
 993   CreateTextRenderer();
 994   AddTextTrack(kTextSubtitles, "", "", true);
 995   Play();
 996   EXPECT_CALL(*this, OnEnd());
 997   SendEosNotifications();
 998   EXPECT_CALL(*this, OnPause());
 999   Pause();
1000   Flush();
1001   ExpectRead(0);
1002   Play();
1003   EXPECT_CALL(*this, OnEnd());
1004   SendEosNotifications();
1005   RemoveTextTrack(0);
1006   EXPECT_FALSE(text_renderer_->HasTracks());
1007 }
1008
1009 TEST_F(TextRendererTest, PlayEosFlushRemove_TwoTracks) {
1010   CreateTextRenderer();
1011   AddTextTrack(kTextSubtitles, "1", "", true);
1012   AddTextTrack(kTextSubtitles, "2", "", true);
1013   Play();
1014   EXPECT_CALL(*this, OnEnd());
1015   SendEosNotifications();
1016   EXPECT_CALL(*this, OnPause());
1017   Pause();
1018   Flush();
1019   ExpectRead(0);
1020   ExpectRead(1);
1021   Play();
1022   SendEosNotification(0);
1023   EXPECT_CALL(*this, OnEnd());
1024   SendEosNotification(1);
1025   RemoveTextTrack(0);
1026   EXPECT_TRUE(text_renderer_->HasTracks());
1027   RemoveTextTrack(1);
1028   EXPECT_FALSE(text_renderer_->HasTracks());
1029 }
1030
1031 TEST_F(TextRendererTest, PlayEosFlushRemove_EosRemove) {
1032   CreateTextRenderer();
1033   AddTextTrack(kTextSubtitles, "1", "", true);
1034   AddTextTrack(kTextSubtitles, "2", "", true);
1035   Play();
1036   EXPECT_CALL(*this, OnEnd());
1037   SendEosNotifications();
1038   EXPECT_CALL(*this, OnPause());
1039   Pause();
1040   Flush();
1041   ExpectRead(0);
1042   ExpectRead(1);
1043   Play();
1044   SendEosNotification(0);
1045   RemoveTextTrack(0);
1046   EXPECT_TRUE(text_renderer_->HasTracks());
1047   EXPECT_CALL(*this, OnEnd());
1048   SendEosNotification(1);
1049   RemoveTextTrack(1);
1050   EXPECT_FALSE(text_renderer_->HasTracks());
1051 }
1052
1053 TEST_F(TextRendererTest, PlayShort_SendCueThenEos) {
1054   CreateTextRenderer();
1055   AddTextTrack(kTextSubtitles, "1", "", true);
1056   AddTextTrack(kTextSubtitles, "2", "", true);
1057   Play();
1058   Pause();
1059   SendCue(0, true);
1060   EXPECT_CALL(*this, OnPause());
1061   SendEosNotification(1);
1062 }
1063
1064 TEST_F(TextRendererTest, PlayShort_EosThenSendCue) {
1065   CreateTextRenderer();
1066   AddTextTrack(kTextSubtitles, "1", "", true);
1067   AddTextTrack(kTextSubtitles, "2", "", true);
1068   Play();
1069   Pause();
1070   SendEosNotification(0);
1071   EXPECT_CALL(*this, OnPause());
1072   SendCue(1, true);
1073 }
1074
1075 TEST_F(TextRendererTest, PlayShortRemove_SendEosRemove) {
1076   CreateTextRenderer();
1077   AddTextTrack(kTextSubtitles, "1", "", true);
1078   AddTextTrack(kTextSubtitles, "2", "", true);
1079   Play();
1080   Pause();
1081   SendCue(0, true);
1082   EXPECT_CALL(*this, OnPause());
1083   SendEosNotification(1);
1084   RemoveTextTrack(0);
1085   EXPECT_TRUE(text_renderer_->HasTracks());
1086   RemoveTextTrack(1);
1087   EXPECT_FALSE(text_renderer_->HasTracks());
1088 }
1089
1090 TEST_F(TextRendererTest, PlayShortRemove_SendRemoveEos) {
1091   CreateTextRenderer();
1092   AddTextTrack(kTextSubtitles, "1", "", true);
1093   AddTextTrack(kTextSubtitles, "2", "", true);
1094   Play();
1095   Pause();
1096   SendCue(0, true);
1097   RemoveTextTrack(0);
1098   EXPECT_TRUE(text_renderer_->HasTracks());
1099   EXPECT_CALL(*this, OnPause());
1100   SendEosNotification(1);
1101   RemoveTextTrack(1);
1102   EXPECT_FALSE(text_renderer_->HasTracks());
1103 }
1104
1105 TEST_F(TextRendererTest, PlayCuePausePendingCancel_OneTrack) {
1106   CreateTextRenderer();
1107   AddTextTrack(kTextSubtitles, "", "", true);
1108   Play();
1109   Pause();
1110   EXPECT_CALL(*this, OnPause());
1111   AbortPendingRead(0);
1112 }
1113
1114 TEST_F(TextRendererTest, PlayCuePausePendingCancel_SendThenCancel) {
1115   CreateTextRenderer();
1116   AddTextTrack(kTextSubtitles, "1", "", true);
1117   AddTextTrack(kTextSubtitles, "2", "", true);
1118   Play();
1119   Pause();
1120   SendCue(0, true);
1121   EXPECT_CALL(*this, OnPause());
1122   AbortPendingRead(1);
1123 }
1124
1125 TEST_F(TextRendererTest, PlayCuePausePendingCancel_CancelThenSend) {
1126   CreateTextRenderer();
1127   AddTextTrack(kTextSubtitles, "1", "", true);
1128   AddTextTrack(kTextSubtitles, "2", "", true);
1129   Play();
1130   Pause();
1131   AbortPendingRead(0);
1132   EXPECT_CALL(*this, OnPause());
1133   SendCue(1, true);
1134 }
1135
1136 TEST_F(TextRendererTest, PlayCueDestroyPendingCancel_OneTrack) {
1137   CreateTextRenderer();
1138   AddTextTrack(kTextSubtitles, "", "", true);
1139   Play();
1140   Pause();
1141   EXPECT_CALL(*this, OnPause());
1142   Destroy();
1143   AbortPendingRead(0);
1144 }
1145
1146 TEST_F(TextRendererTest, PlayCueDestroyPendingCancel_SendThenCancel) {
1147   CreateTextRenderer();
1148   AddTextTrack(kTextSubtitles, "1", "", true);
1149   AddTextTrack(kTextSubtitles, "2", "", true);
1150   Play();
1151   Pause();
1152   EXPECT_CALL(*this, OnPause());
1153   Destroy();
1154   SendCue(0, false);
1155   AbortPendingRead(1);
1156 }
1157
1158 TEST_F(TextRendererTest, PlayCueDestroyPendingCancel_CancelThenSend) {
1159   CreateTextRenderer();
1160   AddTextTrack(kTextSubtitles, "1", "", true);
1161   AddTextTrack(kTextSubtitles, "2", "", true);
1162   Play();
1163   Pause();
1164   EXPECT_CALL(*this, OnPause());
1165   Destroy();
1166   AbortPendingRead(0);
1167   SendCue(1, false);
1168 }
1169
1170 TEST_F(TextRendererTest, AddRemoveAdd) {
1171   CreateTextRenderer();
1172   AddTextTrack(kTextSubtitles, "", "", true);
1173   Play();
1174   AbortPendingRead(0);
1175   RemoveTextTrack(0);
1176   EXPECT_CALL(*this, OnPause());
1177   Pause();
1178   AddTextTrack(kTextSubtitles, "", "", true);
1179   Play();
1180   EXPECT_CALL(*this, OnEnd());
1181   SendEosNotification(1);
1182 }
1183
1184 TEST_F(TextRendererTest, AddRemoveEos) {
1185   CreateTextRenderer();
1186   AddTextTrack(kTextSubtitles, "1", "", true);
1187   AddTextTrack(kTextSubtitles, "2", "", true);
1188   Play();
1189   AbortPendingRead(0);
1190   RemoveTextTrack(0);
1191   EXPECT_TRUE(text_renderer_->HasTracks());
1192   EXPECT_CALL(*this, OnEnd());
1193   SendEosNotification(1);
1194 }
1195
1196 TEST_F(TextRendererTest, AddRemovePause) {
1197   CreateTextRenderer();
1198   AddTextTrack(kTextSubtitles, "1", "", true);
1199   AddTextTrack(kTextSubtitles, "2", "", true);
1200   Play();
1201   AbortPendingRead(0);
1202   RemoveTextTrack(0);
1203   EXPECT_TRUE(text_renderer_->HasTracks());
1204   Pause();
1205   EXPECT_CALL(*this, OnPause());
1206   SendEosNotification(1);
1207 }
1208
1209 }  // namespace media