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Test Info:

<!DOCTYPE HTML>
<html>
<head>
<title>Media test: document-element-inserted</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<iframe id = 'media'>
</iframe>
<pre id="test">
<script class="testbody" type="text/javascript">
if (navigator.platform.startsWith("Win")) {
SimpleTest.expectAssertions(0, 4);
}
SimpleTest.waitForExplicitFinish();
var loc;
var observe = function(doc){
if (doc == media.contentDocument) {
ok(media.contentDocument.location.toString().includes(loc),
"The loaded media should be " + loc);
next();
}
}
var media = document.getElementById('media');
var tests = [
"../../../media/test/vp9.webm",
"../../../media/test/sound.ogg",
"../../content/test/image.png"
]
function next() {
if (tests.length) {
var t = tests.shift();
loc = t.substring(t.indexOf("test"));
media.setAttribute("src",t);
}
else {
SpecialPowers.removeObserver(observe, "document-element-inserted");
SimpleTest.finish();
}
}
SpecialPowers.addObserver(observe, "document-element-inserted")
next();
</script>
</pre>
</body>
</html>