buffer-full-when-populate-entries.html (1223B)
1 <!DOCTYPE HTML> 2 <html> 3 <head> 4 <meta charset="utf-8" /> 5 <title>This test validates the functionality of onresourcetimingbufferfull in resource timing.</title> 6 <link rel="author" title="Intel" href="http://www.intel.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 let bufferFullCount = 0; 17 performance.addEventListener('resourcetimingbufferfull', e => { 18 assert_equals(e.bubbles, false, "Event bubbles attribute is false"); 19 bufferFullCount++; 20 }); 21 await fillUpTheBufferWithTwoResources(); 22 // Overflow the buffer 23 await load.script(scriptResources[2]); 24 await waitForNextTask(); 25 checkEntries(2); 26 assert_equals(bufferFullCount, 1, 'onresourcetimingbufferfull should have been invoked once.'); 27 }, "Test that a buffer full event does not bubble and that resourcetimingbufferfull is called only once per overflow"); 28 </script> 29 </body> 30 </html>