| spanicker | a5b95cb | 2017-03-10 22:42:55 | [diff] [blame] | 1 | <!DOCTYPE HTML> |
| 2 | <meta charset=utf-8> |
| 3 | <title>LongTask Timing: long task in nested child iframe</title> |
| 4 | <body> |
| 5 | |
| 6 | <script src="/resources/testharness.js"></script> |
| 7 | <script src="/resources/testharnessreport.js"></script> |
| 8 | |
| 9 | <script> |
| npm@chromium.org | 71ff888 | 2017-08-15 17:22:01 | [diff] [blame] | 10 | const t = async_test(t => { |
| 11 | window.addEventListener('message', t.step_func(e => { |
| 12 | assert_equals(e.data, 'longtask+same-origin-ancestor+script+++'); |
| spanicker | a5b95cb | 2017-03-10 22:42:55 | [diff] [blame] | 13 | t.done(); |
| 14 | })); |
| npm@chromium.org | 71ff888 | 2017-08-15 17:22:01 | [diff] [blame] | 15 | }, 'Performance longtask entries in parent are observable in child iframe.'); |
| maxlg@chromium.org | b12daf6 | 2017-07-28 21:31:57 | [diff] [blame] | 16 | |
| npm@chromium.org | 71ff888 | 2017-08-15 17:22:01 | [diff] [blame] | 17 | const iframe = document.createElement('iframe'); |
| maxlg@chromium.org | b12daf6 | 2017-07-28 21:31:57 | [diff] [blame] | 18 | iframe.onload = function() { |
| 19 | t.step_timeout(function(){ |
| npm@chromium.org | 71ff888 | 2017-08-15 17:22:01 | [diff] [blame] | 20 | const begin = window.performance.now(); |
| maxlg@chromium.org | b12daf6 | 2017-07-28 21:31:57 | [diff] [blame] | 21 | while (window.performance.now() < begin + 51); |
| 22 | }, 50); |
| 23 | } |
| 24 | iframe.id = 'child-iframe-id'; |
| 25 | iframe.name = 'child-iframe-name'; |
| 26 | document.body.appendChild(iframe); |
| 27 | iframe.src = 'resources/subframe-observing-longtask.html'; |
| spanicker | a5b95cb | 2017-03-10 22:42:55 | [diff] [blame] | 28 | </script> |
| 29 | |
| maxlg@chromium.org | b12daf6 | 2017-07-28 21:31:57 | [diff] [blame] | 30 | </body> |
