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<!DOCTYPE html>
<title>window.requestIdleCallback max idle period deadline (requestAnimationFrame).</title>
<meta name="timeout" content="long">
<link rel="author" title="Noam Rosenthal" href="mailto:noam@webkit.org" />
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/ric-utils.js"></script>
<script>
function runRAFLoop()
{
requestAnimationFrame(runRAFLoop);
}
promise_test(async done => {
runRAFLoop();
for (let i = 0; i < getRICRetryCount(); ++i) {
assert_less_than_equal(await getDeadlineForNextIdleCallback(), getPendingRenderDeadlineCap())
}
}, 'Check that the deadline is less than 16ms when there is a pending animation frame.');
</script>
<h1>Test of requestIdleCallback deadline behavior</h1>
<p>The test can pass accidentally as idle deadlines have a maximum but they can always be shorter.
It runs multiple times to expose potential failures.</p>
<div id="log"></div>
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