| <!DOCTYPE HTML> |
| <html> |
| <head onload> |
| <meta charset="utf-8" /> |
| <title>This test validates the buffer doesn't contain more entries than it should inside onresourcetimingbufferfull callback.</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-setresourcetimingbuffersize"/> |
| <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 t => { |
| performance.addEventListener('resourcetimingbufferfull', t.step_func(() => { |
| assert_equals(performance.getEntriesByType("resource").length, 1, |
| "resource timing buffer in resourcetimingbufferfull is the size of the limit"); |
| load.xhr_sync(scriptResources[2]); |
| performance.setResourceTimingBufferSize(3); |
| assert_equals(performance.getEntriesByType("resource").length, 1, |
| "A sync request must not be added to the primary buffer just yet, because it is full"); |
| })); |
| await forceBufferFullEvent(); |
| await waitForNextTask(); |
| checkEntries(3); |
| }, "Test that entries in the secondary buffer are not exposed during the callback and before they are copied to the primary buffer"); |
| </script> |
| </body> |
| </html> |