buffer-full-add-entries-during-callback-that-drop.html (1292B)
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 () => { 16 await fillUpTheBufferWithSingleResource(); 17 performance.addEventListener('resourcetimingbufferfull', () => { 18 performance.setResourceTimingBufferSize(2); 19 // The sync entry is added to the secondary buffer, so will be the last one there and eventually dropped. 20 load.xhr_sync(scriptResources[2]); 21 }); 22 // This resource overflows the entry buffer, and goes into the secondary buffer. 23 load.script(scriptResources[1]); 24 await bufferFullFirePromise; 25 checkEntries(2); 26 }, "Test that entries synchronously added to the buffer during the callback are dropped"); 27 </script> 28 </body> 29 </html>