layout/base/tests/test_bug518777.html

branch
TOR_BUG_9701
changeset 15
b8a032363ba2
equal deleted inserted replaced
-1:000000000000 0:e86152e59110
1 <!DOCTYPE HTML>
2 <html>
3 <!--
4 https://bugzilla.mozilla.org/show_bug.cgi?id=518777
5 -->
6 <head>
7 <title>Test for Bug 518777</title>
8 <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
9 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
10
11 <script>
12 SimpleTest.waitForExplicitFinish();
13
14 function dotest() {
15 var canvasWidth = 50;
16 var canvasHeight = 50;
17 var source = document.getElementById("source").contentWindow;
18 rect = { left: 25, top: 25,
19 width: canvasWidth, height: canvasHeight };
20 var canvas = SpecialPowers.snapshotRect(source, rect, "transparent");
21 var context = canvas.getContext("2d");
22
23 var data = context.getImageData(0, 0, canvasWidth, canvasHeight).data;
24 var i;
25 for (i = 0; i < data.length; i += 4) {
26 if (data[i] != 0 || data[i + 1] != 0 || data[i + 2] != 255 || data[i + 3] != 255)
27 break;
28 }
29 ok(i >= data.length, "all pixels blue");
30
31 SimpleTest.finish();
32 }
33 </script>
34 </head>
35 <body>
36 <p><a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=518777">Mozilla Bug 518777</a></p>
37
38 <!--
39 iframe source is
40 <html><body onload='window.scrollTo(0,99999999); document.documentElement.offsetWidth; window.parent.dotest();' style='background: rgb(0,0,255); width: 100px; height: 50100px;'></body></html>
41 -->
42 <iframe id="source" width="50" height="50"
43 src="data:text/html,%3Chtml%3E%3Cbody%20onload%3D%27window.scrollTo%280%2C99999999%29%3B%20document.documentElement.offsetWidth%3B%20window.parent.dotest%28%29%3B%27%20style%3D%27background%3A%20rgb%280%2C0%2C255%29%3B%20width%3A%20100px%3B%20height%3A%2050100px%3B%27%3E%3C%2Fbody%3E%3C%2Fhtml%3E"></iframe>
44
45 <pre id="test">
46 </pre>
47 </body>
48 </html>

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