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...edded-content/media-elements/interfaces/HTMLElement/HTMLMediaElement/removeTextTrack.html
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| <!doctype html> | ||
| <title>HTMLMediaElement.removeTextTrack</title> | ||
| <script src=/resources/testharness.js></script> | ||
| <script src=/resources/testharnessreport.js></script> | ||
| <div id=log></div> | ||
| <script> | ||
| var video = document.createElement('video'); | ||
| test(function(){ | ||
| var t = video.addTextTrack('captions'); | ||
| assert_equals(video.textTracks, video.textTracks); | ||
| assert_equals(video.textTracks.length, 1); | ||
| video.removeTextTrack(t); | ||
| assert_equals(video.textTracks, video.textTracks); | ||
| assert_equals(video.textTracks.length, 0); | ||
| }, document.title + ' captions'); | ||
|
|
||
| test(function(){ | ||
| var t = video.addTextTrack('subtitles'); | ||
| assert_equals(video.textTracks, video.textTracks); | ||
| assert_equals(video.textTracks.length, 1); | ||
| video.removeTextTrack(t); | ||
| assert_equals(video.textTracks, video.textTracks); | ||
| assert_equals(video.textTracks.length, 0); | ||
| }, document.title + ' subtitles'); | ||
|
|
||
| test(function(){ | ||
| var t = video.addTextTrack('chapters'); | ||
| assert_equals(video.textTracks, video.textTracks); | ||
| assert_equals(video.textTracks.length, 1); | ||
| video.removeTextTrack(t); | ||
| assert_equals(video.textTracks, video.textTracks); | ||
| assert_equals(video.textTracks.length, 0); | ||
| }, document.title + ' chapters'); | ||
|
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||
| test(function(){ | ||
| var t = video.addTextTrack('metadata'); | ||
| assert_equals(video.textTracks, video.textTracks); | ||
| assert_equals(video.textTracks.length, 1); | ||
| video.removeTextTrack(t); | ||
| assert_equals(video.textTracks, video.textTracks); | ||
| assert_equals(video.textTracks.length, 0); | ||
| }, document.title + ' metadata'); | ||
|
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||
| test(function(){ | ||
| var t = video.addTextTrack('descriptions'); | ||
| assert_equals(video.textTracks, video.textTracks); | ||
| assert_equals(video.textTracks.length, 1); | ||
| video.removeTextTrack(t); | ||
| assert_equals(video.textTracks, video.textTracks); | ||
| assert_equals(video.textTracks.length, 0); | ||
| }, document.title + ' descriptions'); | ||
|
|
||
| test(function(){ | ||
| var t = document.createElement('track').track; | ||
| assert_equals(video.textTracks, video.textTracks); | ||
| assert_equals(video.textTracks.length, 0); | ||
| assert_throws('NOT_FOUND_ERROR', function() { | ||
| video.removeTextTrack(t); | ||
| }, 'standalone'); | ||
| assert_equals(video.textTracks, video.textTracks); | ||
| assert_equals(video.textTracks.length, 0); | ||
| }, document.title + ' orphaned track'); | ||
|
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| test(function() { | ||
| var tel = document.createElement('track'); | ||
| video.appendChild(tel); | ||
| assert_equals(video.textTracks.length, 1); | ||
| assert_true(video.contains(tel)); | ||
| video.removeTextTrack(tel.track); | ||
| assert_false(video.contains(tel)); | ||
| assert_equals(video.textTracks.length, 0); | ||
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| }, document.title + ' also remove associated track element'); | ||
| </script> | ||
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