| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style> | |
| body { | |
| margin: 0; | |
| height: 2500px; | |
| } | |
| .box { | |
| height: 100px; | |
| width: 100px; | |
| } | |
| .fixed { | |
| position: fixed; | |
| left: 0px; | |
| top: 0px; | |
| } | |
| .wrapper { | |
| position: absolute; | |
| background-color: green; | |
| } | |
| </style> | |
| <script> | |
| if (window.testRunner) { | |
| testRunner.waitUntilDone(); | |
| testRunner.dumpAsText(); | |
| if (window.internals) | |
| window.internals.settings.setAcceleratedCompositingForFixedPositionEnabled(true); | |
| } | |
| function doScroll() | |
| { | |
| window.setTimeout(function() { | |
| window.scrollTo(0, 200); | |
| if (window.internals) { | |
| document.getElementById('results').innerText = internals.layerTreeAsText(document); | |
| testRunner.notifyDone(); | |
| } | |
| }, 10); | |
| } | |
| window.addEventListener('load', doScroll, false); | |
| </script> | |
| </head> | |
| <body> | |
| <pre id="results"></pre> | |
| <div class="fixed"> | |
| <div class="wrapper box"> | |
| </div> | |
| </div> | |
| </body> | |
| </html> |