| <!DOCTYPE HTML> |
| <meta charset=utf-8> |
| <title>LongTask Timing: long task in sibling iframe</title> |
| <body> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <script> |
| async_test(t => { |
| window.addEventListener('message', t.step_func(e => { |
| assert_equals(e.data['entryType'], 'longtask'); |
| assert_equals(e.data['frame-attribution'], 'same-origin'); |
| assert_equals(e.data['task-attribution'], 'script'); |
| assert_equals(e.data['containerId'], 'longtask-iframe-id'); |
| assert_equals(e.data['containerName'], 'longtask-iframe-name'); |
| assert_equals(e.data['containerSrc'], 'resources/subframe-with-longtask.html'); |
| t.done(); |
| })); |
| const observingFrame = document.createElement('iframe'); |
| observingFrame.id = 'observing-iframe-id'; |
| observingFrame.name = 'observing-iframe-name'; |
| document.body.appendChild(observingFrame); |
| observingFrame.src = 'resources/subframe-observing-longtask.html' |
| |
| const longtaskFrame = document.createElement('iframe'); |
| longtaskFrame.id = 'longtask-iframe-id'; |
| longtaskFrame.name = 'longtask-iframe-name'; |
| document.body.appendChild(longtaskFrame); |
| longtaskFrame.src = 'resources/subframe-with-longtask.html' |
| }, 'Performance longtask entries are observable in sibling iframe.'); |
| </script> |
| </body> |
