| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| body { |
| margin: 100px; |
| height: 3500px; |
| background-image: url('resources/simple_image.png'); |
| background-size: 200px 200px; |
| background-attachment: fixed; |
| background-repeat: no-repeat; |
| background-position: bottom right; |
| } |
| |
| .test { |
| height: 400px; |
| width: 600px; |
| background-color: rgba(0, 0, 0, 0.5); |
| border: 20px solid orange; |
| } |
| |
| #layers { |
| opacity: 0; |
| } |
| </style> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsTextWithPixelResults(); |
| window.internals.settings.setForceCompositingMode(true); |
| window.internals.settings.setAcceleratedCompositingForFixedRootBackgroundEnabled(true); |
| } |
| |
| function doTest() |
| { |
| window.scrollTo(0, 200); |
| |
| if (window.internals) |
| document.getElementById('layers').innerText = internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_ROOT_LAYER); |
| } |
| |
| window.addEventListener('load', doTest, false); |
| </script> |
| </head> |
| <body> |
| |
| <div class="test"></div> |
| <pre id="layers"></pre> |
| </body> |
| </html> |
