<!DOCTYPE HTML>
<meta charset=utf-8>
<title>Long Animation Frame Timing: supportedEntryTypes</title>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<body>
<h1>Long Animation Frame: supportedEntryTypes</h1>
<div id="log"></div>
<script>

setup(() =>
  assert_implements(window.PerformanceLongAnimationFrameTiming,
    'Long animation frames are not supported.'));

test(() => {
  assert_true(PerformanceObserver.supportedEntryTypes.includes("long-animation-frame"));
}, 'supportedEntryTypes should include long-animation-frame');

</script>
</body>
