| <!DOCTYPE html> |
| <head> |
| <title> |
| Performance Paint Timing Test: Not only the top level document, paints |
| in the iframe should also generate the entry |
| </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}); |
| async_test(function (t) { |
| assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported."); |
| window.addEventListener('message', t.step_func(e => { |
| if (e.data.entryType == "paint" && e.data.name == "first-contentful-paint") { |
| t.done(); |
| } |
| })); |
| const iframe = document.createElement('iframe'); |
| iframe.src = '../resources/subframe-painting.html'; |
| document.body.appendChild(iframe); |
| }, 'Parent frame ignores paint-timing events fired from child image rendering.'); |
| </script> |
| </body> |
| </html> |
