| <!DOCTYPE html> |
| <title>A track appended after the initial track configuration does not change other tracks</title> |
| <script src="/common/media.js"></script> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <video> |
| <track kind="metadata" src="resources/metadata.vtt"> |
| </video> |
| <script> |
| async_test(function(t) { |
| var video = document.querySelector('video'); |
| |
| var track1 = document.querySelectorAll('track')[0]; |
| assert_equals(track1.readyState, HTMLTrackElement.NONE); |
| assert_equals(track1.track.mode, 'disabled'); |
| |
| video.src = getVideoURI('/media/test'); |
| video.oncanplaythrough = t.step_func(canplaythrough); |
| track1.onload = t.step_func(metadataTrackLoaded); |
| |
| function canplaythrough() { |
| // check initial metadata track state. |
| assert_equals(track1.readyState, HTMLTrackElement.NONE); |
| assert_equals(track1.track.mode, 'disabled'); |
| assert_equals(track1.track.cues, null); |
| track1.track.mode = 'hidden'; |
| } |
| |
| function metadataTrackLoaded() { |
| // check metadata track state. |
| assert_equals(track1.readyState, HTMLTrackElement.LOADED); |
| assert_equals(track1.track.mode, 'hidden'); |
| assert_equals(track1.track.cues.length, 12); |
| assert_equals(track1.track.cues[11].startTime, 22); |
| |
| // Add a caption track, and explicitly enable it. |
| track2 = document.createElement('track'); |
| track2.setAttribute('kind', 'captions'); |
| track2.setAttribute('default', 'default'); |
| track2.setAttribute('src', 'resources/webvtt-file.vtt'); |
| track2.track.mode = 'showing'; |
| track2.onload = t.step_func(captionsTrackLoaded); |
| video.appendChild(track2); |
| } |
| |
| function captionsTrackLoaded() { |
| // Check that metadata track state has not changed. |
| assert_equals(track1.readyState, HTMLTrackElement.LOADED); |
| assert_equals(track1.track.mode, 'hidden'); |
| // and that the caption track state is correct. |
| assert_equals(track2.readyState, HTMLTrackElement.LOADED); |
| assert_equals(track2.track.mode, 'showing'); |
| |
| video.textTracks.onaddtrack = t.step_func_done(trackAdded); |
| // add a subtitle track with video.addTextTrack(). |
| track3 = video.addTextTrack('subtitles', 'Subtitle Track', 'en'); |
| track3.mode = 'showing'; |
| } |
| |
| function trackAdded(event) { |
| // Check that metadata track state has not changed. |
| assert_equals(track1.readyState, HTMLTrackElement.LOADED); |
| assert_equals(track1.track.mode, 'hidden'); |
| // and that the caption track state has not changed. |
| assert_equals(track2.readyState, HTMLTrackElement.LOADED); |
| assert_equals(track2.track.mode, 'showing'); |
| // and that the subtitle track state is correct. |
| assert_equals(event.target, video.textTracks); |
| assert_true(event instanceof window.TrackEvent); |
| assert_equals(event.track, video.textTracks[video.textTracks.length - 1]); |
| assert_equals(track3.mode, 'showing'); |
| } |
| }); |
| </script> |
