| <!DOCTYPE html> |
| <style> |
| #container { |
| overflow: scroll; |
| width: 400px; |
| height: 300px; |
| background: linear-gradient(black, white); |
| background-attachment: local; |
| } |
| |
| #bloat { |
| height: 1000px; |
| transform: translateZ(0); |
| } |
| </style> |
| <div id="container"> |
| <div id="bloat"></div> |
| </div> |
| <script> |
| if (window.testRunner) { |
| testRunner.waitUntilDone(); |
| testRunner.layoutAndPaintAsyncThen(function() { |
| document.getElementById('container').scrollTop = 1000; |
| testRunner.notifyDone(); |
| }); |
| } else { |
| // For manual test. |
| setTimeout(function() { |
| document.getElementById('container').scrollTop = 1000; |
| }, 500); |
| } |
| </script> |
