layout/base/tests/test_bug469170.html@b8a032363ba2
layout/base/tests/test_bug469170.html
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
1 <!DOCTYPE HTML>
2 <html>
3 <!--
4 https://bugzilla.mozilla.org/show_bug.cgi?id=469170
5 -->
6 <head>
7 <title>Test for Bug 469170</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 </head>
11 <body onload="runTest();">
12 <p><a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=469170">Mozilla Bug 469170</a></p>
14 <iframe id="source" width="50" height="50"
15 src="data:text/html,%3Chtml%3E%3C%2Fhtml%3E"></iframe>
17 <pre id="test">
18 <script type="application/javascript">
20 /** Test for Bug 469170 **/
22 SimpleTest.waitForExplicitFinish();
24 function runTest() {
25 var source = document.getElementById('source').contentWindow;
26 rect = { left: 0, top: 0,
27 width: source.innerWidth, height: source.innerHeight };
28 var canvas = SpecialPowers.snapshotRect(source, rect, "transparent");
29 var context = canvas.getContext("2d");
31 var components = [ "red", "green", "blue", "alpha" ];
33 var data = context.getImageData(0, 0, canvas.width, canvas.height).data;
34 var failed = false;
35 for (var i = 0; i < data.length; i++) {
36 if (data[i] != 0) {
37 is(data[i], 0, "pixel " + Math.floor(i/4) + " " + components[i%4]);
38 failed = true;
39 }
40 }
41 if (!failed) {
42 ok(!failed, "all pixels fully transparent");
43 }
44 SimpleTest.finish();
45 }
46 </script>
47 </pre>
48 </body>
49 </html>
