| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style type="text/css"> | |
| #overlay { | |
| position: absolute; | |
| left: 10px; | |
| top: 10px; | |
| width: 400px; | |
| height: 100px; | |
| z-index: 1; | |
| background-color: rgba(0, 0, 0, 0.5); | |
| } | |
| #container { | |
| position: absolute; | |
| left: 200px; | |
| top: 8px; | |
| width: 200px; | |
| z-index: 2; | |
| border: 2px solid blue; | |
| } | |
| #composited { | |
| -webkit-transform: translateZ(0); | |
| width: 20px; | |
| height: 20px; | |
| } | |
| #scroller { | |
| height: 200px; | |
| background-color: yellow; | |
| overflow-y: scroll; | |
| } | |
| #scroller > div { | |
| height: 400px; | |
| } | |
| pre { | |
| margin-top: 200px; | |
| } | |
| </style> | |
| <script type="text/javascript" charset="utf-8"> | |
| if (window.testRunner) { | |
| testRunner.dumpAsText(); | |
| testRunner.waitUntilDone(); | |
| } | |
| function doTest() | |
| { | |
| window.setTimeout(function() { | |
| document.getElementById('scroller').scrollTop = 50; | |
| if (window.testRunner) { | |
| document.getElementById('results').innerText = window.internals.layerTreeAsText(document); | |
| testRunner.notifyDone(); | |
| } | |
| }, 20); | |
| } | |
| window.addEventListener('load', doTest, false); | |
| </script> | |
| </head> | |
| <body> | |
| <div id="composited"></div> | |
| <div id="overlay"></div> | |
| <div id="container"> | |
| <div id="scroller"> | |
| <div>scroll me</div> | |
| </div> | |
| </div> | |
| <pre id="results"></pre> | |
| </body> | |
| </html> |