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

   1 <!doctype html>
   2 <html>
   3 <head>
   4 <title>getUserMedia({audio:true}) creates a stream with at least an audio track</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-NavigatorUserMedia-getUserMedia-void-MediaStreamConstraints-constraints-NavigatorUserMediaSuccessCallback-successCallback-NavigatorUserMediaErrorCallback-errorCallback">
   7 <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-MediaStreamTrack-kind">
   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.</p>
  12 <h1 class="instructions" style="display:none">Description</h1>
  13 <p class="instructions" style="display:none">This test checks that the MediaStream object returned by
  14 the success callback in getUserMedia has exactly one audio track.</p>
  15
  16 <div id='log'></div>
  17 <script src=../../../../../resources/testharness.js></script>
  18 <script src=../../../../../resources/testharnessreport.js></script>
  19 <script src="../../../../../resources/vendor-prefix.js" data-prefixed-objects='[{"ancestors":["navigator"], "name":"getUserMedia"}, {"ancestors":["window"], "name":"MediaStream"}]'></script>
  20 <script>
  21 var astream;
  22 var t = async_test("Tests that a MediaStream with exactly one audio track is returned", {timeout: 10000});
  23 t.step(function() {
  24   navigator.getUserMedia({audio:true}, t.step_func(function (stream) {
  25     astream = stream;
  26     assert_true(stream instanceof MediaStream, "getUserMedia success callback comes with a MediaStream object");
  27     assert_equals(stream.getAudioTracks().length, 1, "the media stream has exactly one audio track");
  28     assert_equals(stream.getAudioTracks()[0].kind, "audio", "getAudioTracks() returns a sequence of tracks whose kind is 'audio'");
  29     assert_equals(stream.getVideoTracks().length, 0, "the media stream has zero video track");
  30     t.done();
  31   }),
  32   function(error) {});
  33 });
  34 </script>
  35 </body>
  36 </html>