| <!DOCTYPE html> |
| <title>Text track cue order</title> |
| <link rel="help" href="https://html.spec.whatwg.org/#text-track-cue-order"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| function concat_cuetext(cues) { |
| return Array.prototype.reduce.call(cues, function(acc, value) { |
| return acc + value.text; |
| }, ""); |
| } |
| |
| setup(function() { |
| window.video = document.createElement('video'); |
| }); |
| |
| test(function() { |
| let track = video.addTextTrack('subtitles'); |
| track.addCue(new VTTCue(8, 9, '1')); |
| track.addCue(new VTTCue(4, 5, '2')); |
| track.addCue(new VTTCue(2, 3, '3')); |
| assert_equals(concat_cuetext(track.cues), '321'); |
| }, document.title + ', decreasing start times.'); |
| |
| test(function() { |
| let track = video.addTextTrack('subtitles'); |
| track.addCue(new VTTCue(2, 9, '1')); |
| track.addCue(new VTTCue(2, 3, '2')); |
| track.addCue(new VTTCue(2, 5, '3')); |
| assert_equals(concat_cuetext(track.cues), '132'); |
| }, document.title + ', equal start times varying end times.'); |
| |
| test(function() { |
| let track = video.addTextTrack('subtitles'); |
| track.addCue(new VTTCue(2, 3, '1')); |
| track.addCue(new VTTCue(2, 3, '2')); |
| track.addCue(new VTTCue(2, 3, '3')); |
| assert_equals(concat_cuetext(track.cues), '123'); |
| }, document.title + ', equal start and end times.'); |
| |
| test(function() { |
| let track = video.addTextTrack('subtitles'); |
| track.addCue(new VTTCue(2, 5, '1')); |
| track.addCue(new VTTCue(2, 5, '2')); |
| track.addCue(new VTTCue(2, 5, '3')); |
| assert_equals(concat_cuetext(track.cues), '123', 'initial order'); |
| |
| let cue = track.cues[0]; |
| track.removeCue(cue); |
| assert_equals(concat_cuetext(track.cues), '23', '"1" removed'); |
| |
| track.addCue(cue); |
| assert_equals(concat_cuetext(track.cues), '231', '"1" reinserted'); |
| }, document.title + ', after re-insertion.'); |
| |
| test(function() { |
| let track = video.addTextTrack('subtitles'); |
| track.addCue(new VTTCue(2, 5, '1')); |
| track.addCue(new VTTCue(2, 5, '2')); |
| track.addCue(new VTTCue(2, 5, '3')); |
| assert_equals(concat_cuetext(track.cues), '123', 'initial order'); |
| |
| track.cues[0].startTime = 4; |
| assert_equals(concat_cuetext(track.cues), '231', '"1" moved last'); |
| |
| track.cues[2].startTime = 2; |
| assert_equals(concat_cuetext(track.cues), '123', '"1" moved first'); |
| }, document.title + ', equal start and end times with startTime mutations.'); |
| |
| test(function() { |
| let track = video.addTextTrack('subtitles'); |
| track.addCue(new VTTCue(2, 5, '1')); |
| track.addCue(new VTTCue(2, 5, '2')); |
| track.addCue(new VTTCue(2, 5, '3')); |
| assert_equals(concat_cuetext(track.cues), '123', 'initial order'); |
| |
| track.cues[2].endTime = 9; |
| assert_equals(concat_cuetext(track.cues), '312', '"3" moved first'); |
| |
| track.cues[1].endTime = 3; |
| assert_equals(concat_cuetext(track.cues), '321', '"1" moved last'); |
| }, document.title + ', equal start and end times with endTime mutations.'); |
| </script> |
