| <style> |
| math { |
| font-family: Ahem; |
| font-size: 20px; |
| } |
| </style> |
| <!-- This is a bit flaky, but repros in Safari after a few attempts --> |
| <math style="display: block" xmlns="http://www.w3.org/1998/Math/MathML"> |
| <mn>PASS if</mn> |
| <mn id=change_this></mn> |
| </math> |
| <pre id=repaints></pre> |
| <script src="../../resources/ui-helper.js"></script> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| async function runTest() { |
| |
| if (window.internals) |
| internals.startTrackingRepaints(); |
| |
| change_this.textContent = 'this is visible.'; |
| |
| await UIHelper.renderingUpdate(); |
| |
| if (window.internals) { |
| repaints.innerHTML = window.internals.repaintRectsAsText(); |
| internals.stopTrackingRepaints(); |
| } |
| |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| } |
| |
| window.addEventListener('load', runTest); |
| </script> |
