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| 1 <!-- Based on fast/repaint/absolute-layer-specified-left-or-right-auto-width-mov
ed-vertically.html --> |
1 <!DOCTYPE html> | 2 <!DOCTYPE html> |
| 3 <script src="resources/paint-invalidation-test.js"></script> |
2 <script> | 4 <script> |
3 function test() | 5 window.expectedPaintInvalidationObjects = [ |
| 6 ]; |
| 7 function paintInvalidationTest() |
4 { | 8 { |
5 if (!window.testRunner || !window.internals) | |
6 return; | |
7 | |
8 testRunner.dumpAsText(); | |
9 document.body.offsetTop; | |
10 internals.startTrackingRepaints(document); | |
11 | |
12 document.getElementById('left').style.top = '400px'; | 9 document.getElementById('left').style.top = '400px'; |
13 document.getElementById('right').style.top = '400px'; | 10 document.getElementById('right').style.top = '400px'; |
14 | |
15 document.body.offsetTop; | |
16 var layerTree = internals.layerTreeAsText(document, internals.LAYER_TREE_INC
LUDES_REPAINT_RECTS); | |
17 window.internals.stopTrackingRepaints(document); | |
18 document.getElementById('result').textContent = layerTree.indexOf('repaint')
== -1 ? 'SUCCESS' : 'FAIL'; | |
19 } | 11 } |
20 | 12 |
21 window.onload = test; | 13 window.onload = runPaintInvalidationTest; |
22 </script> | 14 </script> |
23 | 15 |
24 <style> | 16 <style> |
25 #left, #right { | 17 #left, #right { |
26 position: absolute; | 18 position: absolute; |
27 top: 200px; | 19 top: 200px; |
28 -webkit-backface-visibility: hidden; | 20 -webkit-backface-visibility: hidden; |
29 } | 21 } |
30 #left { | 22 #left { |
31 left: 0px; | 23 left: 0px; |
32 } | 24 } |
33 #right { | 25 #right { |
34 right: 0px; | 26 right: 0px; |
35 } | 27 } |
36 </style> | 28 </style> |
37 | 29 |
38 There should be no repaint when the divs are moved vertically. | 30 There should be no repaint when the divs are moved vertically. |
39 <div id="left">Left</div> | 31 <div id="left">Left</div> |
40 <div id="right">Right</div> | 32 <div id="right">Right</div> |
41 <pre id="result"></pre> | 33 <pre id="result"></pre> |
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