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1 <!DOCTYPE html> | |
2 | |
3 <html> | |
4 <head> | |
5 <script src="../../resources/run-after-layout-and-paint.js"></script> | |
6 <style> | |
7 .bar { | |
8 width: 200px; | |
9 height: 50px; | |
10 margin-left: 50px; | |
11 background-color: gray; | |
12 transform: translateZ(0); | |
13 } | |
14 | |
15 #overflow { | |
16 position: absolute; | |
17 top: 70px; | |
18 left: 100px; | |
19 z-index: 100; | |
20 height: 200px; | |
21 width: 200px; | |
22 border: 1px solid black; | |
23 overflow: scroll; | |
24 } | |
25 | |
26 #overflow > div { | |
27 position: relative; | |
28 height: 50px; | |
29 width: 100%; | |
30 border: 2px solid black; | |
31 margin: 2px; | |
32 } | |
33 | |
34 </style> | |
35 <script> | |
36 if (window.testRunner) { | |
37 testRunner.dumpAsTextWithPixelResults(); | |
38 testRunner.waitUntilDone(); | |
39 } | |
40 | |
41 function doTest() | |
42 { | |
43 var overflow = document.getElementById('overflow'); | |
44 overflow.scrollTop = 50; | |
45 | |
46 runAfterLayoutAndPaint(function() { | |
47 overflow.scrollTop = 75; | |
48 if (window.testRunner) | |
49 testRunner.notifyDone(); | |
50 }); | |
51 } | |
52 window.addEventListener('load', doTest, false); | |
53 </script> | |
54 </head> | |
55 <body> | |
56 | |
57 <div class="bar"></div> | |
58 | |
59 <div id="overflow"> | |
60 <div></div> | |
61 <div></div> | |
62 <div></div> | |
63 <div></div> | |
64 <div></div> | |
65 </div> | |
66 </body> | |
67 </html> | |
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