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c0d9765f13
Automatic update from web-platform-tests Test longtask/event-loop interactions (#33580) -- wpt-commits: c9657a4a52f4c58fcd725504527f8643e492f29a wpt-pr: 33580
25 lines
877 B
HTML
25 lines
877 B
HTML
<!DOCTYPE HTML>
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<meta charset=utf-8>
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<title>LongTask Timing: synchronous XHR</title>
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<body>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="resources/utils.js"></script>
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<link rel="stylesheet" href="/resource-timing/resources/delay-css.py?delay=1000" />
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<h1>Long Task: Spin event loop</h1>
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<div id="log"></div>
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<script>
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setup(() => assert_implements(window.PerformanceLongTaskTiming, 'Longtasks are not supported.'));
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promise_test(async t => {
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const didReceiveLongTask = false;
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new PerformanceObserver(() => {
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didReceiveLongTask = true;
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}).observe({entryTypes: ['longtask']});
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await new Promise(resolve => window.addEventListener('load', resolve));
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assert_false(didReceiveLongTask);
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}, 'Waiting for load event (spinning an event loop), is not a longtask');
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</script>
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</body>
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