src/third_party/WebKit/LayoutTests/imported/web-platform-tests/mediacapture-streams/stream-api/mediastream/mediastream-gettrackid.html

   1 <!doctype html>
   2 <html>
   3 <head>
   4 <title>Retrieving a track from a MediaStream</title>
   5 <link rel="author" title="Dominique Hazael-Massieux" href="mailto:dom@w3.org"/>
   6 <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-MediaStream-getTrackById-MediaStreamTrack-DOMString-trackId">
   7 <link rel='stylesheet' href='../../../../../resources/testharness.css' media='all'/>
   8 </head>
   9 <body>
  10 <p class="instructions" style="display:none">When prompted, accept to share your video stream.</p>
  11 <h1 class="instructions" style="display:none">Description</h1>
  12 <p class="instructions" style="display:none">This test checks that MediaStream.getTrackById behaves as expected</p>
  13
  14 <div id='log'></div>
  15 <script src=../../../../../resources/testharness.js></script>
  16 <script src=../../../../../resources/testharnessreport.js></script>
  17 <script src="../../../../../resources/vendor-prefix.js" data-prefixed-objects='[{"ancestors":["navigator"], "name":"getUserMedia"}]'></script>
  18 <script>
  19 var t = async_test("Tests that MediaStream.getTrackById works as expected", {timeout: 10000});
  20 t.step(function () {
  21   navigator.getUserMedia(
  22       {video: true},
  23       t.step_func(gotVideo),
  24       t.step_func(function (error) {
  25         assert_unreached('Unexpected getUserMedia error: ' + error);
  26       }));
  27   function gotVideo(stream) {
  28     var track = stream.getVideoTracks()[0];
  29     assert_equals(track, stream.getTrackById(track.id), "getTrackById returns track of given id");
  30     assert_equals(stream.getTrackById(track.id + "foo"), null, "getTrackById of inexistant id  returns null");
  31     t.done();
  32   }
  33 });
  34 </script>
  35 </body>
  36 </html>