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<!DOCTYPE HTML>
<html>
<head>
<title>Test the ability of MediaStream with multiple MediaStreamTracks</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<script type="text/javascript" src="manifest.js"></script>
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
function startTest() {
navigator.mediaDevices.getUserMedia({audio:true, video:true, fake:true})
.then(function(orgStream) {
var a = orgStream.getAudioTracks()[0];
var v = orgStream.getVideoTracks()[0];
var stream = new MediaStream([a, a, a, a, v, v, v].map(track => track.clone()));
var element = document.createElement("video");
element.onloadedmetadata = function() {
is(stream.getAudioTracks().length, 4, 'Length of audio tracks should be 4.');
is(stream.getVideoTracks().length, 3, 'Length of vudio tracks should be 3.');
SimpleTest.finish();
};
element.srcObject = stream;
element.play();
})
.catch(function(reason) {
ok(false, "unexpected error = " + reason.message);
SimpleTest.finish();
});
}
SimpleTest.waitForExplicitFinish();
SpecialPowers.pushPrefEnv(
{
"set": [
["media.track.enabled", true]
]
}, startTest);
</script>
</pre>
</body>
</html>
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