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Issue 2086283003: Update web-platform-tests (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Merge branch 'master' into wpt_import Created 4 years, 5 months ago
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1 <!doctype html>
2 <html>
3 <head>
4 <title>Adding a track to 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#wi dl-MediaStreamTrackList-add-void-MediaStreamTrack-track">
7 <link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#ev ent-mediastream-addtrack">
8 </head>
9 <body>
10 <p class="instructions">When prompted, accept to share your audio stream, then y our video stream.</p>
11 <h1 class="instructions">Description</h1>
12 <p class="instructions">This test checks that adding a track to a MediaStream wo rks 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="/common/vendor-prefix.js" data-prefixed-objects='[{"ancestors":["na vigator"], "name":"getUserMedia"}]'></script>
18 <script>
19 var t = async_test("Tests that adding a track to a MediaStream works as expected ", {timeout: 20000}); // longer timeout since requires double user interaction
20 t.step(function () {
21 var audio, video;
22
23 navigator.getUserMedia({audio: true}, gotAudio, function(error) {});
24 function gotAudio(stream) {
25 audio = stream;
26 navigator.getUserMedia({video: true}, gotVideo, function(error) {});
27 }
28
29 function gotVideo(stream) {
30 video = stream;
31 t.step(function () {
32 assert_equals(video.getAudioTracks().length, 0, "video mediastream starts with no audio track");
33 video.addTrack(audio.getAudioTracks()[0]);
34 assert_equals(video.getAudioTracks().length, 1, "video mediastream has no w one audio track");
35 video.addTrack(audio.getAudioTracks()[0]);
36 assert_equals(video.getAudioTracks().length, 1, "video mediastream still has one audio track"); // If track is already in stream's track set, then abort these steps.
37
38 });
39 audio.onaddtrack = t.step_func(function () {
40 assert_unreached("onaddtrack is not fired when the script directly modifi ed the track of a mediastream");
41 });
42 t.step(function () {
43 assert_equals(audio.getVideoTracks().length, 0, "audio mediastream starts with no video track");
44 audio.addTrack(video.getVideoTracks()[0]);
45 assert_equals(audio.getVideoTracks().length, 1, "audio mediastream now ha s one video track");
46 });
47 t.step(function () {
48 t.done();
49 });
50 }
51 });
52 </script>
53 </body>
54 </html>
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