gecko-dev/dom/performance/tests/test_worker_user_timing.html

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<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<!DOCTYPE HTML>
<html>
<head>
<title>Test for worker performance timing API</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
</head>
<body>
<script class="testbody" type="text/javascript">
var worker = new Worker('worker_performance_user_timing.js');
worker.onmessage = function(event) {
if (event.data.type == 'finish') {
SpecialPowers.setBoolPref("privacy.reduceTimerPrecision", reduceTimePrecisionPrevPrefValue);
SimpleTest.finish();
} else if (event.data.type == 'status') {
ok(event.data.status, event.data.msg);
}
}
var reduceTimePrecisionPrevPrefValue = SpecialPowers.getBoolPref("privacy.reduceTimerPrecision");
SpecialPowers.setBoolPref("privacy.reduceTimerPrecision", false);
SimpleTest.waitForExplicitFinish();
</script>
</body>
</html>