| OLD | NEW |
| 1 <!-- Based on compositing/overflow/fixed-scroll-in-empty-root-layer.html --> |
| 1 <!DOCTYPE html> | 2 <!DOCTYPE html> |
| 2 <script src="../../fast/repaint/resources/text-based-repaint.js"></script> | 3 <script src="resources/paint-invalidation-test.js"></script> |
| 3 <script> | 4 <script> |
| 4 function repaintTest() { | 5 window.expectedPaintInvalidationObjects = [ |
| 6 "LayoutBlockFlow (positioned) DIV", |
| 7 "LayoutBlockFlow (positioned) DIV", |
| 8 ]; |
| 9 function paintInvalidationTest() { |
| 5 window.scrollBy(0, 200); | 10 window.scrollBy(0, 200); |
| 6 } | 11 } |
| 7 onload = runRepaintTest; | 12 onload = runPaintInvalidationTest; |
| 8 </script> | 13 </script> |
| 9 <body style="height: 2000px"> | 14 <body style="height: 2000px"> |
| 10 Tests invalidation of fixed element when scrolled in a page with empty root la
yer. Passes if there is no red. | 15 Tests invalidation of fixed element when scrolled in a page with empty root la
yer. Passes if there is no red. |
| 11 <div style=" | 16 <div style=" |
| 12 position: fixed; | 17 position: fixed; |
| 13 top: 50px; | 18 top: 50px; |
| 14 left: 0; | 19 left: 0; |
| 15 width: 100px; | 20 width: 100px; |
| 16 height: 100px; | 21 height: 100px; |
| 17 background: green"> | 22 background: green"> |
| 18 </div> | 23 </div> |
| 19 <!-- This div makes all of the contents of the page be in sublayers of the roo
t layer, so root layer is empty. --> | 24 <!-- This div makes all of the contents of the page be in sublayers of the roo
t layer, so root layer is empty. --> |
| 20 <div style=" | 25 <div style=" |
| 21 position: absolute; | 26 position: absolute; |
| 22 z-index: -1; | 27 z-index: -1; |
| 23 backface-visibility: hidden; | 28 backface-visibility: hidden; |
| 24 top: 250px; | 29 top: 250px; |
| 25 left: 0; | 30 left: 0; |
| 26 background-color: red; | 31 background-color: red; |
| 27 width: 100px; | 32 width: 100px; |
| 28 height: 100px"> | 33 height: 100px"> |
| 29 </div> | 34 </div> |
| 30 </body> | 35 </body> |
| OLD | NEW |