buffer-full-add-then-clear.html (1512B)
1 <!DOCTYPE HTML> 2 <html> 3 <head onload> 4 <meta charset="utf-8" /> 5 <title>This test validates that synchronously adding entries in onresourcetimingbufferfull callback results in these entries being properly handled.</title> 6 <link rel="author" title="Google" href="http://www.google.com/" /> 7 <link rel="help" href="https://www.w3.org/TR/resource-timing-2/#dom-performance-onresourcetimingbufferfull"/> 8 <script src="/resources/testharness.js"></script> 9 <script src="/resources/testharnessreport.js"></script> 10 <script src="resources/resource-loaders.js"></script> 11 <script src="resources/buffer-full-utilities.js"></script> 12 </head> 13 <body> 14 <script> 15 promise_test(async t => { 16 addAssertUnreachedBufferFull(t); 17 await fillUpTheBufferWithSingleResource('resources/empty.js?willbelost'); 18 // These resources overflow the entry buffer, and go into the secondary buffer. 19 load.xhr_sync(scriptResources[0]); 20 load.xhr_sync(scriptResources[1]); 21 performance.clearResourceTimings(); 22 performance.setResourceTimingBufferSize(3); 23 load.xhr_sync(scriptResources[2]); 24 const entriesAfterAddition = performance.getEntriesByType('resource'); 25 await waitForNextTask(); 26 checkEntries(3); 27 assert_equals(entriesAfterAddition.length, 0, "No entries should have been added to the primary buffer before the task to 'fire a buffer full event'."); 28 }, "Test that if the buffer is cleared after entries were added to the secondary buffer, those entries make it into the primary one"); 29 </script> 30 </body> 31 </html>