| <!DOCTYPE html> |
| <title>Layout Instability: change display type with transform</title> |
| <link rel="help" href="https://wicg.github.io/layout-instability/" /> |
| <style> |
| div { |
| width: 100px; |
| height: 100px; |
| } |
| #target { |
| transform: translateX(0); |
| } |
| </style> |
| <div id=target> |
| <div id=shift>test</div> |
| </div> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/util.js"></script> |
| <script> |
| |
| promise_test(async () => { |
| const watcher = new ScoreWatcher; |
| await waitForAnimationFrames(2); |
| |
| target.style.display = 'flex'; |
| |
| await waitForAnimationFrames(1); |
| |
| assert_equals(watcher.score, 0); |
| }, 'Shift accompanied by body display change.'); |
| |
| </script> |