OLD | NEW |
| (Empty) |
1 <!DOCTYPE HTML> | |
2 <script src="../resources/js-test.js"></script> | |
3 <style> | |
4 #scroller { | |
5 overflow: scroll; | |
6 height: 300px; | |
7 width: 300px; | |
8 background-color: red; | |
9 } | |
10 | |
11 #scrolled { | |
12 height: 1000px; | |
13 width: 250px; | |
14 background-color: green; | |
15 } | |
16 </style> | |
17 | |
18 <script> | |
19 jsTestIsAsync = true; | |
20 | |
21 description('This test checks that changes to the compositor\'s settings are app
lied correctly.'); | |
22 | |
23 function isUsingCompositedScrolling(layer) { | |
24 layer = layer || JSON.parse(window.internals.layerTreeAsText(document)); | |
25 if (layer.bounds[1] == 1000) | |
26 return true; | |
27 if (layer.children) { | |
28 for (var i = 0; i < layer.children.length; i++) { | |
29 if (isUsingCompositedScrolling(layer.children[i])) | |
30 return true; | |
31 } | |
32 } | |
33 return false; | |
34 } | |
35 | |
36 window.onload = function() { | |
37 if (!window.internals) { | |
38 testFailed('This test requires window.internals'); | |
39 return; | |
40 } | |
41 window.internals.settings.setPreferCompositingToLCDTextEnabled(false); | |
42 var stateBefore = isUsingCompositedScrolling(); | |
43 window.internals.settings.setPreferCompositingToLCDTextEnabled(true); | |
44 var stateAfter = isUsingCompositedScrolling(); | |
45 | |
46 if (!stateBefore && stateAfter) { | |
47 testPassed('Composited scrolling became enabled.'); | |
48 } else { | |
49 testFailed('Composited scrolling did not become enabled: ' + stateBefore
+ ", " + stateAfter); | |
50 } | |
51 finishJSTest(); | |
52 }; | |
53 </script> | |
54 | |
55 <div id="scroller"> | |
56 <div id="scrolled"></div> | |
57 </div> | |
OLD | NEW |