| <!DOCTYPE html> <!-- webkit-test-runner [ useFlexibleViewport=true AsyncOverflowScrollingEnabled=true AsyncFrameScrollingEnabled=true ] --> | |
| <html> | |
| <head> | |
| <meta name="viewport" content="initial-scale=1.0"> | |
| <style> | |
| #scroller { | |
| margin: 10px; | |
| height: 300px; | |
| width: 300px; | |
| border: 1px solid black; | |
| overflow: scroll; | |
| z-index: 0; | |
| position: relative; | |
| } | |
| .box { | |
| position: fixed; | |
| margin-top: 200px; | |
| width: 200px; | |
| height: 200px; | |
| background-color: green; | |
| } | |
| .spacer { | |
| border: 2px solid blue; | |
| height: 5000px; | |
| } | |
| </style> | |
| <script src="../../resources/ui-helper.js"></script> | |
| <script> | |
| if (window.testRunner) | |
| testRunner.waitUntilDone(); | |
| async function doTest() | |
| { | |
| await UIHelper.ensurePresentationUpdate(); // Not sure why this is necessary, but it is. | |
| scroller.scrollTo(0, 200); | |
| await UIHelper.ensurePresentationUpdate(); | |
| if (window.testRunner) | |
| testRunner.notifyDone(); | |
| } | |
| window.addEventListener('load', doTest, false); | |
| </script> | |
| </head> | |
| <body> | |
| <div class="spacer"> | |
| <div id="scroller"> | |
| <div class="box"></div> | |
| <div class="spacer"></div> | |
| </div> | |
| </div> | |
| </body> | |
| </html> |