| <!doctype html> |
| <title>TextTrack.cues</title> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <div id=log></div> |
| <script> |
| test(function(){ |
| var video = document.createElement('video'); |
| var t1 = video.addTextTrack('subtitles'); |
| assert_equals(t1.cues, t1.cues, 't1.cues should return same object'); |
| assert_not_equals(t1.cues, null, 't1.cues should not be null'); |
| assert_true(t1.cues instanceof TextTrackCueList, 't1.cues instanceof TextTrackCueList'); |
| assert_equals(t1.cues.length, 0, 't1.cues.length'); |
| }, document.title+', empty list'); |
| |
| function addCue(texttrack, start, end, text, id) { |
| var c = new VTTCue(start, end, text); |
| c.id = id; |
| texttrack.addCue(c); |
| return c; |
| } |
| |
| test(function(){ |
| var video = document.createElement('video'); |
| var t1 = video.addTextTrack('subtitles'); |
| var t1_cues = t1.cues; |
| var c = addCue(t1, 0, 1, 'text', 'id'); |
| assert_equals(t1.cues, t1_cues, "t1.cues should return same object"); |
| assert_equals(t1.cues.length, 1, "t1.cues.length"); |
| var c2 = addCue(t1, 1, 2, 'text2', 'id2'); |
| assert_equals(t1.cues, t1_cues, "t1.cues should return the same object after adding a second cue"); |
| assert_equals(t1.cues.length, 2, "t1.cues.length after adding a second cue"); |
| assert_equals(t1.cues[0].id, "id"); |
| assert_equals(t1.cues[1].id, "id2"); |
| }, document.title+', after addCue()'); |
| |
| test(function(){ |
| var video = document.createElement('video'); |
| var t1 = video.addTextTrack('subtitles'); |
| var t1_cues = t1.cues; |
| var c = addCue(t1, 0, 1, 'text', 'id'); |
| var c2 = addCue(t1, 1, 2, 'text2', 'id2'); |
| t1.mode = 'showing'; |
| assert_equals(t1.cues, t1_cues, "t1.cues should return the same object after setting mode to 'showing'"); |
| t1.mode = 'hidden'; |
| assert_equals(t1.cues, t1_cues, "t1.cues should return the same object after setting mode to 'hidden'"); |
| t1.mode = 'disabled'; |
| assert_equals(t1.cues, null, "t1.cues should be null when mode is 'disabled'"); |
| assert_equals(t1_cues.length, 2, "t1_cues should still be intact after setting mode to 'disabled'"); |
| assert_equals(t1_cues[0].id, "id", "t1_cues first cue should still be intact after setting mode to 'disabled'"); |
| assert_equals(t1_cues[1].id, "id2", "t1_cues second cue should still be intact after setting mode to 'disabled'"); |
| t1.mode = 'hidden'; |
| assert_equals(t1.cues, t1_cues, "t1.cues should return the same object after setting mode to 'disabled' and then 'hidden'"); |
| t1.mode = 'disabled'; |
| assert_equals(t1.cues, null, "t1.cues should be null when mode is set to 'disabled' again"); |
| assert_equals(t1_cues.length, 2, "t1_cues should still be intact after setting mode to 'disabled' again"); |
| assert_equals(t1_cues[0].id, "id", "t1_cues first cue should still be intact after setting mode to 'disabled' again"); |
| assert_equals(t1_cues[1].id, "id2", "t1_cues second cue should still be intact after setting mode to 'disabled' again"); |
| t1.mode = 'showing'; |
| assert_equals(t1.cues, t1_cues, "t1.cues should return the same object after setting mode to 'disabled' and then 'showing'"); |
| }, document.title+', different modes'); |
| |
| test(function(){ |
| var video = document.createElement('video'); |
| var t1 = video.addTextTrack('subtitles'); |
| var t1_cues = t1.cues; |
| var c = addCue(t1, 0, 1, 'text', 'id'); |
| var c2 = addCue(t1, 1, 2, 'text2', 'id2'); |
| t1.mode = 'showing'; |
| t1.cues[1].startTime = 0; // this should change the text track cue order |
| assert_equals(t1.cues[0].id, 'id2'); |
| assert_equals(t1.cues[1].id, 'id'); |
| t1.cues[0].startTime = 0.5; // this should change it back |
| assert_equals(t1.cues[0].id, 'id'); |
| assert_equals(t1.cues[1].id, 'id2'); |
| }, document.title+', changing order'); |
| |
| async_test(function(){ |
| var video = document.createElement('video'); |
| var t1 = video.addTextTrack('subtitles'); |
| var t1_cues = t1.cues; |
| t1.mode = 'hidden'; |
| var track = document.createElement('track'); |
| track['default'] = true; |
| video.appendChild(track); // queues a task to "honor user preferences...", media element event task source |
| var t2 = track.track; |
| assert_equals(t2.cues, null, 't2.cues should be null'); |
| // We need to wait until the "honor user preferences..." steps have run so we invoke play() |
| // which queues an event with the same task source. |
| video.onplay = this.step_func(function(){ |
| assert_equals(t2.cues, t2.cues, 't2.cues should return same object'); |
| assert_not_equals(t1.cues, t2.cues, 't1.cues and t2.cues should be different objects'); |
| assert_not_equals(t2.cues, null, 't2.cues should not be null'); |
| assert_true(t2.cues instanceof TextTrackCueList, 't2.cues instanceof TextTrackCueList'); |
| assert_equals(t2.cues.length, 0, 't2.cues should have length 0'); |
| this.done(); |
| }); |
| video.play(); // queues a task to fire 'play', media element event task source |
| }, document.title+', default attribute'); |
| </script> |
