gecko/content/media/test/test_streams_srcObject.html

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<!DOCTYPE HTML>
<html>
<head>
<title>Test interactions of src and srcObject</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 onload="doTest()">
<audio id="a"></audio>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
var a = document.getElementById('a');
a.src = getPlayableAudio(gSmallTests).name;
var b = new Audio();
function doTest() {
var newSrc = a.src + "?2";
b.src = newSrc;
is(b.mozSrcObject, null, "Initial srcObject is null");
var stream = a.mozCaptureStream();
b.mozSrcObject = stream;
is(b.mozSrcObject, stream, "Stream set correctly");
b.mozSrcObject = "invalid";
is(b.mozSrcObject, stream, "Stream not set to invalid value");
is(b.src, newSrc, "src attribute not affected by setting srcObject");
var step = 0;
b.addEventListener("loadedmetadata", function() {
if (step == 0) {
is(b.currentSrc, "", "currentSrc set to empty string while playing srcObject");
b.mozSrcObject = null;
is(b.mozSrcObject, null, "Stream set to null");
// The resource selection algorithm will run again and choose b.src
} else if (step == 1) {
is(b.currentSrc, b.src, "currentSrc set to src now that srcObject is null");
SimpleTest.finish();
}
++step;
});
}
</script>
</pre>
</body>
</html>