| <!DOCTYPE html> |
| <title>Add and remove track node</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <body> |
| <script> |
| test(function() { |
| var video = document.createElement('video'); |
| var tracka = document.createElement('track'); |
| video.appendChild(tracka); |
| var trackb = document.createElement('track'); |
| video.appendChild(trackb); |
| |
| // Adding tracks outside the DOM tree. |
| assert_array_equals(video.textTracks, [tracka.track, trackb.track]); |
| |
| // Inserting the parent video element into the document. |
| document.body.appendChild(video); |
| assert_array_equals(video.textTracks, [tracka.track, trackb.track]); |
| |
| // Inserting and removing another track in the document. |
| var trackc = document.createElement('track'); |
| video.appendChild(trackc); |
| assert_array_equals(video.textTracks, [tracka.track, trackb.track, trackc.track]); |
| |
| trackb.parentNode.removeChild(trackb); |
| assert_array_equals(video.textTracks, [tracka.track, trackc.track]); |
| |
| // Removing the video from the document. |
| document.body.removeChild(video); |
| assert_array_equals(video.textTracks, [tracka.track, trackc.track]); |
| |
| tracka.parentNode.removeChild(tracka); |
| assert_array_equals(video.textTracks, [trackc.track]); |
| }); |
| </script> |
