| <!doctype html> |
| <html> |
| <head> |
| <title>Removing a track from a MediaStream</title> |
| <link rel="author" title="Dominique Hazael-Massieux" href="mailto:dom@w3.org"/> |
| <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-MediaStreamTrackList-remove-void-MediaStreamTrack-track"> |
| <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#event-mediastream-removetrack"> |
| </head> |
| <body> |
| <p class="instructions">When prompted, accept to share your audio stream, then your video stream.</p> |
| <h1 class="instructions">Description</h1> |
| <p class="instructions">This test checks that removinging a track from a MediaStream works as expected.</p> |
| |
| <div id='log'></div> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <script> |
| var t = async_test("Tests that a removal from a MediaStream works as expected", {timeout:10000}); |
| t.step(function () { |
| var audio; |
| navigator.mediaDevices.getUserMedia({audio:true}).then(gotAudio); |
| function gotAudio(stream) { |
| audio = stream; |
| navigator.mediaDevices.getUserMedia({video:true}).then(gotVideo); |
| } |
| |
| function gotVideo(stream) { |
| var video = stream; |
| video.onremovetrack = function () { |
| assert_unreached("onremovetrack is not triggered when removal of track is triggered by the script itself"); |
| }; |
| t.step(function () { |
| assert_equals(video.getVideoTracks().length, 1, "video mediastream starts with one video track"); |
| video.removeTrack(video.getVideoTracks()[0]); |
| assert_equals(video.getVideoTracks().length, 0, "video mediastream has no video track left"); |
| video.removeTrack(audio.getAudioTracks()[0]); // should not throw |
| }); |
| t.step(function() { |
| t.done(); |
| }); |
| } |
| }); |
| </script> |
| </body> |
| </html> |
