| <!DOCTYPE html> |
| <script src="../../resources/run-after-layout-and-paint.js"></script> |
| <style> |
| #scroller { |
| background: gray local; |
| border: 10px solid green; |
| overflow: scroll; |
| width: 200px; |
| height: 200px; |
| will-change: transform; |
| } |
| |
| #spacer { |
| height: 500px; |
| } |
| </style> |
| <!-- Test that the background is correctly repainted when the scrolled content |
| grows in size. --> |
| <div id="scroller"> |
| <div id="spacer"></div> |
| <p>Text content</p> |
| </div> |
| <script> |
| if (window.testRunner) |
| testRunner.waitUntilDone(); |
| |
| onload = runAfterLayoutAndPaint(function() { |
| scroller.scrollTop = 500; |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| }); |
| </script> |
