11cb0ef41Sopenharmony_ciasync_test(t => { 21cb0ef41Sopenharmony_ci // First observer creates second in callback to ensure the entry has been dispatched by the time 31cb0ef41Sopenharmony_ci // the second observer begins observing. 41cb0ef41Sopenharmony_ci new PerformanceObserver(() => { 51cb0ef41Sopenharmony_ci // Second observer requires 'buffered: true' to see an entry. 61cb0ef41Sopenharmony_ci new PerformanceObserver(t.step_func_done(list => { 71cb0ef41Sopenharmony_ci const entries = list.getEntries(); 81cb0ef41Sopenharmony_ci assert_equals(entries.length, 1, 'There should be 1 mark entry.'); 91cb0ef41Sopenharmony_ci assert_equals(entries[0].entryType, 'mark'); 101cb0ef41Sopenharmony_ci })).observe({type: 'mark', buffered: true}); 111cb0ef41Sopenharmony_ci }).observe({entryTypes: ['mark']}); 121cb0ef41Sopenharmony_ci performance.mark('foo'); 131cb0ef41Sopenharmony_ci}, 'PerformanceObserver with buffered flag sees previous marks'); 141cb0ef41Sopenharmony_ci 151cb0ef41Sopenharmony_ciasync_test(t => { 161cb0ef41Sopenharmony_ci // First observer creates second in callback to ensure the entry has been dispatched by the time 171cb0ef41Sopenharmony_ci // the second observer begins observing. 181cb0ef41Sopenharmony_ci new PerformanceObserver(() => { 191cb0ef41Sopenharmony_ci // Second observer requires 'buffered: true' to see an entry. 201cb0ef41Sopenharmony_ci new PerformanceObserver(t.step_func_done(list => { 211cb0ef41Sopenharmony_ci const entries = list.getEntries(); 221cb0ef41Sopenharmony_ci assert_equals(entries.length, 1, 'There should be 1 measure entry.'); 231cb0ef41Sopenharmony_ci assert_equals(entries[0].entryType, 'measure'); 241cb0ef41Sopenharmony_ci })).observe({type: 'measure', buffered: true}); 251cb0ef41Sopenharmony_ci }).observe({entryTypes: ['measure']}); 261cb0ef41Sopenharmony_ci performance.measure('bar'); 271cb0ef41Sopenharmony_ci}, 'PerformanceObserver with buffered flag sees previous measures'); 28