deadline-max-rAF-dynamic.html

Enable keyboard shortcuts

This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /requestidlecallback/deadline-max-rAF-dynamic.html - WPT Dashboard Interop Dashboard

<!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>

promise_test(async () => {

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

    const {before, after} = await new Promise(resolve => requestIdleCallback(async deadline => {

      const before = deadline.timeRemaining();

      const animationFramePromise = new Promise(requestAnimationFrame);

      const after = deadline.timeRemaining();

      // Waiting till rAF is handled before the next iteration, to avoid residual callacks between iterations.

      await animationFramePromise;

      resolve({before, after})

}))

    assert_less_than_equal(after, before)

    assert_less_than_equal(after, getPendingRenderDeadlineCap())

}, 'Check that the deadline is changed if there is a new requestAnimationFrame from within requestIdleCallback.');

</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>