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

   1 <!doctype html>
   2 <html>
   3 <head>
   4 <title>Adding a track to a finished 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-MediaStreamTrackList-add-void-MediaStreamTrack-track">
   7 <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-MediaStreamTrack-stop-void">
   8 <link rel='stylesheet' href='../../../../../resources/testharness.css' media='all'/>
   9 </head>
  10 <body>
  11 <p class="instructions" style="display:none">When prompted, accept to share your audio stream, then
  12 your video stream.</p>
  13 <h1 class="instructions" style="display:none">Description</h1>
  14 <p class="instructions" style="display:none">This test checks that adding a track to a finished
  15 MediaStream raises an INVALID_STATE_ERR exception.</p>
  16
  17 <div id='log'></div>
  18 <script src=../../../../../resources/testharness.js></script>
  19 <script src=../../../../../resources/testharnessreport.js></script>
  20 <script src="../../../../../resources/vendor-prefix.js" data-prefixed-objects='[{"ancestors":["navigator"], "name":"getUserMedia"}]'></script>
  21 <script>
  22 var t = async_test("Tests that an addition to a finished MediaStream raises an exception", {timeout:20000});
  23 t.step(function () {
  24   var audio, video;
  25
  26   navigator.getUserMedia({audio:true}, gotAudio, function() {});
  27   function gotAudio(stream) {
  28     audio = stream;
  29     navigator.getUserMedia({video:true}, gotVideo, function() {});
  30   }
  31
  32   function gotVideo(stream) {
  33     video = stream;
  34     t.step(function () {
  35        audio.getAudioTracks()[0].stop();
  36        assert_true(audio.ended, "Audio stream is ended after stopping its only audio track");
  37        assert_throws("INVALID_STATE_ERR", function () {
  38           video.addTrack(audio.getAudioTracks()[0]);
  39           }, "Adding a track from a finished stream raises an INVALID_STATE_ERR exception");
  40        assert_throws("INVALID_STATE_ERR", function () {
  41           audio.removeTrack(audio.getAudioTracks()[0]);
  42           }, "Removing a track from a finished stream raises an INVALID_STATE_ERR exception");
  43      });
  44     t.done();
  45   }
  46 });
  47 </script>
  48 </body>
  49 </html>