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1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
2 <script src="resources/text-based-repaint.js"></script> | |
3 <script> | 2 <script> |
4 function repaintTest() { | |
5 document.getElementById('fixed').style.display = 'none'; | |
6 } | |
7 onload = function() { | 3 onload = function() { |
8 // Scroll before repaint test to test correct scroll offset of invalidation re
ct | |
9 // for fixed-position element when it needs repaint. | |
10 window.scrollTo(0, 400); | 4 window.scrollTo(0, 400); |
11 runRepaintTest(); | |
12 }; | 5 }; |
13 </script> | 6 </script> |
14 <style> | 7 <style> |
15 body { | 8 body { |
16 height: 2000px; | 9 height: 2000px; |
17 } | 10 } |
18 #fixed-container { | 11 #fixed-container { |
19 position: fixed; | 12 position: fixed; |
20 top: 0; | 13 top: 0; |
21 left: 0; | 14 left: 0; |
22 width: 100%; | 15 width: 100%; |
23 height: 100%; | 16 height: 100%; |
24 background-color: green; | 17 background-color: green; |
25 backface-visibility: hidden; | 18 backface-visibility: hidden; |
26 } | 19 } |
27 #fixed { | |
28 position: fixed; | |
29 top: 100px; | |
30 left: 100px; | |
31 width: 200px; | |
32 height: 200px; | |
33 background-color: red; | |
34 } | |
35 </style> | 20 </style> |
36 Tests paint invalidation of fixed elements under a composited fixed element afte
r scrolled. | 21 Tests paint invalidation of fixed elements under a composited fixed element afte
r scrolled. |
37 Passes if there is only green background. | 22 Passes if there is only green background. |
38 <div id="fixed-container"> | 23 <div id="fixed-container"> |
39 <div id="fixed"></div> | |
40 </div> | 24 </div> |
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