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<!DOCTYPE HTML>
<html>
<head>
<script type="application/javascript" src="mediaStreamPlayback.js"></script>
</head>
<body>
<pre id="test">
<script type="application/javascript">
createHTML({
title: "getUserMedia Basic Video shall receive 'loadedmetadata' without play()ing",
bug: "1149494"
});
/**
* Run a test to verify that we will always get 'loadedmetadata' from a video
* HTMLMediaElement playing a gUM MediaStream.
*/
runTest(() => {
var testVideo = createMediaElement('video', 'testVideo');
var constraints = {video: true};
return getUserMedia(constraints).then(stream => {
var playback = new MediaStreamPlayback(testVideo, stream);
var video = playback.mediaElement;
video.srcObject = stream;
return new Promise(resolve => {
ok(playback.mediaElement.paused,
"Media element should be paused before play()ing");
video.addEventListener('loadedmetadata', function() {
ok(video.videoWidth > 0, "Expected nonzero video width");
ok(video.videoHeight > 0, "Expected nonzero video width");
resolve();
});
})
.then(() => stream.getTracks().forEach(t => t.stop()));
});
});
</script>
</pre>
</body>
</html>
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