| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <style> |
| .bar { |
| width: 200px; |
| height: 50px; |
| margin-left: 50px; |
| background-color: gray; |
| -webkit-transform: translateZ(0); |
| } |
| |
| #overflow { |
| position: absolute; |
| top: 70px; |
| left: 100px; |
| z-index: 100; |
| height: 200px; |
| width: 200px; |
| border: 1px solid black; |
| overflow: scroll; |
| } |
| |
| #overflow > div { |
| position: relative; |
| height: 50px; |
| width: 100%; |
| border: 2px solid black; |
| margin: 2px; |
| } |
| |
| </style> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(true); |
| testRunner.waitUntilDone(); |
| } |
| |
| function doTest() |
| { |
| var overflow = document.getElementById('overflow'); |
| overflow.scrollTop = 50; |
| |
| if (window.testRunner) |
| testRunner.displayAndTrackRepaints(); |
| |
| window.setTimeout(function() { |
| overflow.scrollTop = 75; |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| }, 0) |
| } |
| window.addEventListener('load', doTest, false); |
| </script> |
| </head> |
| <body> |
| |
| <div class="bar"></div> |
| |
| <div id="overflow"> |
| <div></div> |
| <div></div> |
| <div></div> |
| <div></div> |
| <div></div> |
| </div> |
| </body> |
| </html> |
