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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>Nested event loop spinning and idle task handling</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
<script>
if (!location.search.includes("newpage")) {
SimpleTest.waitForExplicitFinish();
var win = window.open(this.location + "?newpage");
win.onload = function() {
var xhr = new XMLHttpRequest();
// Spin the event loop using a synchronous XMLHttpRequest.
xhr.open("GET", "slow.sjs", false);
xhr.send();
ok(win.didRunIdleCallback, "Should have run an idle callback.");
win.close();
SimpleTest.finish();
}
} else {
var didRunIdleCallback = false;
requestIdleCallback(function() {
didRunIdleCallback = true;
});
}
</script>
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test"></pre>
</body>
</html>
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