deadline-max.html - mozsearch

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This WPT test may be referenced by the following Test IDs:
- /requestidlecallback/deadline-max.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>window.requestIdleCallback max idle period deadline.</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>

promise_test(async done => {

  for (let i = 0; i < getRICRetryCount(); ++i)

    assert_less_than_equal(await getDeadlineForNextIdleCallback(), 50)

}, 'Check that the deadline is less than 50ms.');

</script>

<h1>Test of requestIdleCallback deadline behavior</h1>

<p>This test validates that deadlines returned for requestIdleCallback are less than 50ms.</p>

<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>