francovs
6ab2accb2b
Automatic update from web-platform-tests WebKit export: PerformanceObserver invokes callback too early (#54597) https://bugs.webkit.org/show_bug.cgi?id=297765 -- wpt-commits: 9fb0c34afd20d2cd5ea73cd50e2400a0c5b3159f wpt-pr: 54597
34 lines
981 B
HTML
34 lines
981 B
HTML
<!doctype html>
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<html>
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<head>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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</head>
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<body>
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<script>
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async_test(function(test) {
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let first_callback_called = false
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let callback_can_run_now = false
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new Promise( (resolve) => {
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new PerformanceObserver( (entries, observer) => {
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first_callback_called = true
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observer.disconnect()
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resolve()
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}).observe({ type: "mark", buffered: true })
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})
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.then( () => {
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new PerformanceObserver ( (entries) => {
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assert_true(callback_can_run_now, "Callback shouldn't be invoked inside the .observe() call")
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test.done()
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}).observe({ type: "mark", buffered: true })
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callback_can_run_now = true
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})
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assert_false(first_callback_called)
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performance.mark('mark')
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}, "Buffered PerformanceObservers should not invoke callbacks synchronously.");
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</script>
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</body>
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</html>
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