buffered-flag-after-timeout.any.js (520B)
1 async_test(t => { 2 performance.mark('foo'); 3 t.step_timeout(() => { 4 // After a timeout, PerformanceObserver should still receive entry if using the buffered flag. 5 new PerformanceObserver(t.step_func_done(list => { 6 const entries = list.getEntries(); 7 assert_equals(entries.length, 1, 'There should be 1 mark entry.'); 8 assert_equals(entries[0].entryType, 'mark'); 9 })).observe({type: 'mark', buffered: true}); 10 }, 100); 11 }, 'PerformanceObserver with buffered flag sees entry after timeout');