display-change-with-transform.html (762B)
1 <!DOCTYPE html> 2 <title>Layout Instability: change display type with transform</title> 3 <link rel="help" href="https://wicg.github.io/layout-instability/" /> 4 <style> 5 div { 6 width: 100px; 7 height: 100px; 8 background: blue; 9 } 10 #target { 11 transform: translateX(0); 12 } 13 </style> 14 <div id=target> 15 <div id=shift>test</div> 16 </div> 17 <script src="/resources/testharness.js"></script> 18 <script src="/resources/testharnessreport.js"></script> 19 <script src="resources/util.js"></script> 20 <script> 21 22 promise_test(async () => { 23 const watcher = new ScoreWatcher; 24 await waitForAnimationFrames(2); 25 26 target.style.display = 'flex'; 27 28 await waitForAnimationFrames(1); 29 30 assert_equals(watcher.score, 0); 31 }, 'Shift accompanied by body display change.'); 32 33 </script>