| <!DOCTYPE html> |
| <html> |
| <head> |
| <style type="text/css"> |
| .absolute { |
| background-color: green; |
| height: 96px; |
| position: absolute; |
| top: 0; |
| left: 0; |
| width: 100%; |
| z-index: 2; |
| } |
| |
| .fixed { |
| background-color: red; |
| height: 32px; |
| position: fixed; |
| top: 0; |
| left: 0; |
| width: 100%; |
| z-index: 1; |
| } |
| |
| .transformed { |
| background-color: #6d6d6d; |
| padding-top: 24px; |
| margin: 64px 0px 1920px 0px; |
| width: 100%; |
| height: 40px; |
| will-change: transform; |
| } |
| </style> |
| <script src="../../resources/run-after-layout-and-paint.js"></script> |
| <script type="text/javascript" charset="utf-8"> |
| function doTest() |
| { |
| window.scrollBy(0,-2048); |
| window.scrollBy(0,160); |
| runAfterLayoutAndPaint(function() { |
| window.scrollBy(0,-96); |
| }, true); |
| } |
| window.addEventListener('load', doTest, false); |
| </script> |
| </head> |
| <body> |
| <div class="absolute"></div> |
| <div class="fixed"></div> |
| <div class="transformed"></div> |
| <p> For this test to pass, you should not see a red line when scroll position is less or equal to 64px from the top. </p> |
| </body> |
| </html> |
