| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <style> |
| body { |
| height: 2000px; |
| width: 1000px; |
| } |
| |
| .fixed { |
| position: fixed; |
| height: 100px; |
| width: 100px; |
| background-color: rgba(0, 0, 0, 0.5); |
| } |
| |
| .top, .bottom { |
| left: 0; |
| width: 100%; |
| } |
| |
| .left, .right { |
| top: 200px; |
| } |
| |
| .top { |
| top: 0; |
| } |
| |
| .bottom { |
| bottom: 0; |
| } |
| .left { |
| left: 0; |
| } |
| .right { |
| right: 0; |
| } |
| </style> |
| <script> |
| |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| if (window.internals) { |
| internals.settings.setAcceleratedCompositingForFixedPositionEnabled(true); |
| internals.setUseFixedLayout(true); |
| internals.setFixedLayoutSize(1000, 2000); |
| var scale = 800 / 1000; |
| eventSender.scalePageBy(scale, scale); |
| } |
| |
| function doTest() |
| { |
| window.setTimeout(function() { |
| document.getElementById("layerTree").innerText = window.internals.layerTreeAsText(document); |
| testRunner.notifyDone(); |
| }, 0); |
| } |
| |
| window.addEventListener('load', doTest, false); |
| </script> |
| </head> |
| <body> |
| |
| <div class="top fixed"> |
| Top |
| </div> |
| |
| <div class="left fixed"> |
| Left |
| </div> |
| |
| <div class="right fixed"> |
| Right |
| </div> |
| |
| <div class="bottom fixed"> |
| bottom |
| </div> |
| |
| <pre id="layerTree"></pre> |
| </body> |
| </html> |
