| <!DOCTYPE html> |
| <head> |
| <title> |
| Performance Paint Timing Test: Paints in the iframe should be reported in the iframe |
| and not in the top document |
| </title> |
| </head> |
| <body> |
| <script src="../resources/utils.js"></script> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| setup({"hide_test_state": true}); |
| promise_test(async t => { |
| assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported."); |
| const iframe = document.createElement('iframe'); |
| iframe.src = '../resources/subframe-painting.html'; |
| document.body.appendChild(iframe); |
| await new Promise(resolve => window.addEventListener('message', e => { |
| if (e.data.entryType == "paint" && e.data.name == "first-contentful-paint") |
| resolve() |
| })); |
| await assertNoFirstContentfulPaint(t); |
| }, 'Parent frame should not fire own paint-timing events for subframes.'); |
| </script> |
| </body> |
| </html> |
