| <!-- webkit-test-runner [ useThreadedScrolling=false ] --> |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| html { |
| -webkit-overflow-scrolling: touch; |
| } |
| |
| textarea { |
| width: 200px; |
| height: 120px; |
| margin: 10px; |
| border: 1px solid black; |
| display: inline-block; |
| font-size: 24pt; |
| } |
| </style> |
| <script> |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| |
| if (window.internals) |
| window.internals.settings.setAcceleratedCompositingForOverflowScrollEnabled(true); |
| |
| function testScrollability(element) |
| { |
| // This will cause scrollable element content layers to be offset by y=50 with respect to their scrolling container. |
| element.scrollTop = 50; |
| } |
| |
| function doTest() |
| { |
| var divs = document.querySelectorAll('body > textarea'); |
| for (var i = 0; i < divs.length; ++i) |
| testScrollability(divs[i]); |
| |
| if (window.testRunner) |
| document.getElementById('results').innerText = window.internals.layerTreeAsText(document); |
| } |
| window.addEventListener('load', doTest, false); |
| </script> |
| </head> |
| <body> |
| |
| <textarea> |
| Lorem ipsum dolor sit amet, consectetur adipisicing elit. |
| </textarea> |
| |
| <textarea disabled> |
| Lorem ipsum dolor sit amet, consectetur adipisicing elit. |
| </textarea> |
| |
| <pre id="results">This test requires DRT.</pre> |
| </body> |
| </html> |