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<!DOCTYPE HTML>
<html>
<head>
<title>MSE: memory reporting</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="mediasource.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
runWithMSE(async (ms, v) => {
// Load a webm video and play it.
await once(ms, "sourceopen");
const sb = ms.addSourceBuffer("video/webm");
await fetchAndLoad(sb, "seek", [""], ".webm");
const p = once(v, "ended");
ms.endOfStream();
v.play();
await p;
// Test that memory reporting works once we've played a video.
// Grab a memory report.
const mgr = SpecialPowers.Cc["@mozilla.org/memory-reporter-manager;1"]
.getService(SpecialPowers.Ci.nsIMemoryReporterManager);
let amount;
const handleReport = (aProcess, aPath, aKind, aUnits, aAmount) => {
if (aPath == "explicit/media/resources") {
amount = (amount || 0) + aAmount;
}
};
await new Promise(r => mgr.getReports(handleReport, null, r, null, /* anonymized = */ false));
ok(true, "Yay didn't crash!");
ok(amount !== undefined, "Got media resources amount");
ok(amount > 0, "Non-zero amount reported for media resources");
SimpleTest.finish();
});
</script>
</pre>
</body>
</html>
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