third_party/WebKit/LayoutTests/media/avtrack/getTrackById.html

   1 <!doctype html>
   2 <html>
   3     <head>
   4         <title>AudioTrackList &amp; VideoTrackList.getTrackById</title>
   5         <script src="../../resources/testharness.js"></script>
   6         <script src="../../resources/testharnessreport.js"></script>
   7         <script src="../media-file.js"></script>
   8     </head>
   9     <body>
  10         <div id="log"></div>
  11         <script>
  12             async_test(function(t)
  13             {
  14                 var e = document.createElement('video');
  15
  16                 assert_equals(e.audioTracks.length, 0);
  17                 assert_equals(e.audioTracks.getTrackById(''), null);
  18
  19                 assert_equals(e.videoTracks.length, 0);
  20                 assert_equals(e.videoTracks.getTrackById(''), null);
  21
  22                 e.src = findMediaFile('video', '../content/test');
  23
  24                 e.addEventListener('loadedmetadata', t.step_func(function()
  25                 {
  26                     assert_equals(e.audioTracks.length, 1);
  27                     assert_equals(e.audioTracks.getTrackById(e.audioTracks[0].id), e.audioTracks[0]);
  28                     assert_equals(e.audioTracks.getTrackById('fake-id'), null);
  29
  30                     assert_equals(e.videoTracks.length, 1);
  31                     assert_equals(e.videoTracks.getTrackById(e.videoTracks[0].id), e.videoTracks[0]);
  32                     assert_equals(e.videoTracks.getTrackById('fake-id'), null);
  33
  34                     t.done();
  35                 }));
  36             });
  37         </script>
  38     </body>
  39 </html>