<!DOCTYPE HTML> <html> <head onload> <meta charset="utf-8" /> <title>This test validates increasing the buffer size in onresourcetimingbufferfull callback of resource timing.</title> <link rel="author" title="Google" href="http://www.google.com/" /> <link rel="help" href="https://www.w3.org/TR/resource-timing-2/#dom-performance-onresourcetimingbufferfull"/> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="resources/resource-loaders.js"></script> <script src="resources/buffer-full-utilities.js"></script> </head> <body> <script> promise_test(async () => { await fillUpTheBufferWithSingleResource(); performance.addEventListener('resourcetimingbufferfull', () => { performance.setResourceTimingBufferSize(2); }); await load.script(scriptResources[1]); await bufferFullFirePromise; checkEntries(2); }, "Test that increasing the buffer during the callback is enough for entries not to be dropped"); </script> </body> </html>