| <!doctype html> |
| <title>TextTrackList.getTrackById</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 track1 = video.addTextTrack('subtitles'); |
| var track2 = video.addTextTrack('subtitles'); |
| assert_equals(track1.id, ''); |
| assert_equals(track2.id, ''); |
| assert_equals(video.textTracks.getTrackById(''), track1); |
| assert_equals(video.textTracks.getTrackById('fake-id'), null); |
| }); |
| </script> |
