| <!doctype html> |
| <html> |
| <head> |
| <title>MediaStream constructor algorithm</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#idl-def-MediaStream"> |
| <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-MediaStream-id"> |
| <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#mediastream"> |
| <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#event-mediastream-ended"> |
| <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-MediaStreamTrack-stop-void"> |
| <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-MediaStreamTrack-clone-MediaStreamTrack"> |
| <link rel='stylesheet' href='/resources/testharness.css' media='all'/> |
| </head> |
| <body> |
| <p class="instructions">When prompted, accept to share your video and audio stream.</p> |
| <h1 class="instructions">Description</h1> |
| <p class="instructions">This test checks that the MediaStream constructor |
| follows the algorithm set in the spec.</p> |
| |
| <div id='log'></div> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <script src="/common/vendor-prefix.js" data-prefixed-objects='[{"ancestors":["navigator"], "name":"getUserMedia"},{"ancestors":["window"], "name":"MediaStream"}]'></script> |
| <script> |
| var t = async_test("Tests that a MediaStream constructor follows the algorithm set in the spec", {timeout: 10000}); |
| t.step(function() { |
| navigator.getUserMedia({video: true, audio:true}, t.step_func(function (stream) { |
| var stream1 = new MediaStream(); |
| assert_not_equals(stream.id, stream1.id, "Two different MediaStreams have different ids"); |
| var stream2 = new MediaStream(stream); |
| assert_not_equals(stream.id, stream2.id, "A MediaStream constructed from another have different ids"); |
| var audioTrack1 = stream.getAudioTracks()[0]; |
| var videoTrack = stream.getVideoTracks()[0]; |
| assert_equals(audioTrack1, stream2.getAudioTracks()[0], "A MediaStream constructed from another share the same audio track"); |
| assert_equals(videoTrack, stream2.getVideoTracks()[0], "A MediaStream constructed from another share the same video track"); |
| var stream4 = new MediaStream([audioTrack1]); |
| assert_equals(stream4.getTrackById(audioTrack1.id), audioTrack1, "a non-ended track gets added via the MediaStream constructor"); |
| |
| var audioTrack2 = audioTrack1.clone(); |
| audioTrack2.addEventListener("ended", t.step_func(function () { |
| var stream3 = new MediaStream([audioTrack2, videoTrack]); |
| assert_equals(stream3.getTrackById(audioTrack2.id), null, "an ended track doesn't get added via the MediaStream constructor"); |
| assert_equals(stream3.getTrackById(videoTrack.id), videoTrack, "a non-ended track gets added via the MediaStream constructor even if the previous track was ended"); |
| var stream5 = new MediaStream([audioTrack2]); |
| assert_true(stream5.ended, "a MediaStream created using the MediaStream() constructor whose arguments are lists of MediaStreamTrack objects that are all ended, the MediaStream object MUST be created with its ended attribute set to true"); |
| t.done(); |
| }), false); |
| audioTrack2.stop(); |
| }), function(error) {}); |
| }); |
| </script> |
| </body> |
| </html> |
