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<!DOCTYPE HTML>
<meta charset=utf-8>
<title>Long Animation Frame Timing: requestIdleCallback</title>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/utils.js"></script>
<body>
<h1>Long Animation Frame: requestIdleCallback</h1>
<div id="log"></div>
<script>
setup(() =>
assert_implements(window.requestIdleCallback,
'requestIdleCallback is not supported.'));
/*
promise_test(async t => {
await expect_no_long_frame(() => requestIdleCallback(busy_wait), t);
}, 'A long busy wait in an idle callback is not a long animation frame');
*/
promise_test(async t => {
const segment_duration = very_long_frame_duration / 2;
requestIdleCallback(() => {
busy_wait(segment_duration);
requestAnimationFrame(() => {
busy_wait(segment_duration);
});
});
await expect_long_frame(() => {}, t);
}, 'A long busy wait split between an idle callback and a ' +
'requestAnimationFrame is a long animation frame');
</script>
</body>
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