| <!DOCTYPE html> <!-- webkit-test-runner [ AsyncOverflowScrollingEnabled=true ] --> | |
| <html> | |
| <head> | |
| <meta name="viewport" content="width=device-width"> | |
| <title></title> | |
| <style> | |
| .scroller { | |
| margin: 10px; | |
| overflow: scroll; | |
| width: 200px; | |
| height: 200px; | |
| border: 1px solid black; | |
| opacity: 0.8; | |
| } | |
| .absolute { | |
| position: absolute; | |
| top: 100px; | |
| width: 300px; | |
| height: 20px; | |
| background-color: green; | |
| padding: 10px; | |
| } | |
| .spacer { | |
| height: 800px; | |
| } | |
| </style> | |
| <script> | |
| if (window.testRunner) | |
| testRunner.dumpAsText(); | |
| window.addEventListener("load", () => { | |
| if (window.internals) | |
| document.getElementById("layers").innerText = window.internals.layerTreeAsText(document); | |
| }, false); | |
| </script> | |
| <body> | |
| <div class='scroller'> | |
| <div class="spacer"> | |
| <div class='absolute'>This layer should be composited.</div> | |
| </div> | |
| <pre id="layers">Layer tree goes here</pre> | |
| </body> | |
| </html> |