Upstream version 10.39.225.0
[platform/framework/web/crosswalk.git] / src / third_party / WebKit / LayoutTests / compositing / layer-creation / fixed-position-out-of-view-dynamic.html
1 <!DOCTYPE html>
2
3 <html>
4 <head>
5   <style>
6     .fixed {
7       position: fixed;
8       width: 10px;
9       height: 10px;
10       top: -100px;
11       background-color: silver;
12     }
13   </style>
14
15   <script type="text/javascript">
16     if (window.testRunner && window.internals) {
17       testRunner.dumpAsText();
18       internals.settings.setPreferCompositingToLCDTextEnabled(true);
19
20       addEventListener("load", function() {
21         var fixed = document.createElement("div");
22         document.body.appendChild(fixed);
23         document.body.offsetHeight;
24         fixed.className = "fixed";
25         var mainThreadScrollingReasons = internals.mainThreadScrollingReasons(document);
26         document.getElementById("result").innerText = !mainThreadScrollingReasons ? "PASS" : "FAIL: " + mainThreadScrollingReasons;
27         testRunner.notifyDone();
28       }, false);
29     }
30   </script>
31 </head>
32
33 <!-- Fixed position elements may skip compositing without a scrollable
34 ancestor. To make sure this test covers the intended scenario, we force the
35 body element to be tall, so that the FrameView is scrolling. -->
36 <body style="height: 4000px;">
37   <pre id="result"></pre>
38 </body>
39 </html>
40