content/canvas/test/test_drawImage_edge_cases.html@97036ab72558
content/canvas/test/test_drawImage_edge_cases.html
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
1 <!DOCTYPE HTML>
2 <html>
3 <head>
4 <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
5 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
6 </head>
7 <body onload="doTest()">
8 <p id="display">
9 <canvas id="c" width="1" height="1"></canvas>
10 <img id="img" src="image_red.png">
11 </p>
12 <div id="content" style="display: none">
14 </div>
15 <pre id="test">
16 <script type="application/javascript">
18 var c = document.getElementById("c");
19 var ctx = c.getContext("2d");
20 var img = document.getElementById("img");
22 SimpleTest.waitForExplicitFinish();
24 function doTest() {
25 ctx.drawImage(img, 0, 0);
26 img.src = "image_green-1x1.png";
27 img.onload = function() {
28 ctx.drawImage(img, 0, 0);
29 var data = ctx.getImageData(0, 0, 1, 1).data;
30 is(data[0], 0, "Red channel should be 0");
31 is(data[1], 255, "Green channel should be 1.0");
32 is(data[2], 0, "Blue channel should be 0")
33 is(data[3], 255, "Alpha channel should be opaque");
35 SimpleTest.finish();
36 }
37 }
39 </script>
40 </pre>
41 </body>
42 </html>
