dom/tests/mochitest/bugs/test_bug743615.html@b8a032363ba2
dom/tests/mochitest/bugs/test_bug743615.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=743615
5 -->
6 <head>
7 <meta charset="utf-8">
8 <title>Test for Bug 743615</title>
9 <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
10 <script type="application/javascript" src="utils_bug743615.js"></script>
11 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
12 </head>
13 <body>
14 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=743615">Mozilla Bug 743615</a>
15 <p id="display"></p>
16 <div id="content" style="display: none">
17 <canvas id="c" width="200" height="200"><canvas>
18 </div>
19 <pre id="test">
20 <script type="application/javascript">
22 /** Test for structured cloning ImageData. **/
24 SimpleTest.waitForExplicitFinish();
25 window.addEventListener('message', windowMessage);
26 startTest();
28 function startTest() {
29 // Make an ImageData.
30 var ctx = document.getElementById('c').getContext('2d');
31 ctx.fillStyle = 'rgb(';
32 ctx.fillRect(30, 30, 50, 50);
34 // Make a blank ImageData.
35 var imageData = ctx.createImageData(200, 200);
36 is(imageData.data.length, imageData.width * imageData.height * 4,
37 'right size for data');
39 // Write some things into it.
40 var pattern = makePattern(imageData.data.length, 42, 7);
41 setPattern(imageData, pattern);
42 ok(checkPattern(imageData, pattern), 'Can read it back before sending');
44 // PostMessage it to ourselves.
45 window.postMessage({ imageData: imageData,
46 pattern: pattern,
47 dataRef: imageData.data }, '*');
48 }
50 function windowMessage(evt) {
51 // Check the pattern we received.
52 var imageData = evt.data.imageData;
53 var pattern = evt.data.pattern;
54 ok(checkPattern(imageData, pattern),
55 'postMessage from self worked correctly');
57 // We're not spec compliant on this yet.
58 todo_is(imageData.data, evt.data.dataRef,
59 'Should have backrefs for imagedata buffer');
61 // Make a new pattern, and send it to a worker.
62 pattern = makePattern(imageData.data.length, 4, 3);
63 setPattern(imageData, pattern);
64 var worker = new Worker('worker_bug743615.js');
65 worker.onmessage = workerMessage;
66 worker.postMessage( {imageData: imageData, pattern: pattern });
67 }
69 function workerMessage(evt) {
70 // Relay the results of the worker-side tests.
71 is(evt.data.statusMessage, 'PASS', evt.data.statusMessage);
73 // Test what the worker sent us.
74 ok(checkPattern(evt.data.imageData, evt.data.pattern),
75 'postMessage from worker worked correctly');
77 // All done.
78 SimpleTest.finish();
79 }
81 </script>
82 </pre>
83 </body>
84 </html>
