| <!DOCTYPE HTML> |
| <html> |
| <head> |
| <meta charset="utf-8" /> |
| <title>This test validates the functionality of onresourcetimingbufferfull in resource timing.</title> |
| <link rel="author" title="Intel" href="http://www.intel.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 () => { |
| let bufferFullCount = 0; |
| performance.addEventListener('resourcetimingbufferfull', e => { |
| assert_equals(e.bubbles, false, "Event bubbles attribute is false"); |
| bufferFullCount++; |
| }); |
| await fillUpTheBufferWithTwoResources(); |
| // Overflow the buffer |
| await load.script(scriptResources[2]); |
| await waitForNextTask(); |
| checkEntries(2); |
| assert_equals(bufferFullCount, 1, 'onresourcetimingbufferfull should have been invoked once.'); |
| }, "Test that a buffer full event does not bubble and that resourcetimingbufferfull is called only once per overflow"); |
| </script> |
| </body> |
| </html> |
