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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/tests/mochitest/bugs/test_bug743615.html
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=743615
+-->
+<head>
+ <meta charset="utf-8">
+ <title>Test for Bug 743615</title>
+ <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script type="application/javascript" src="utils_bug743615.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=743615">Mozilla Bug 743615</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+<canvas id="c" width="200" height="200"><canvas>
+</div>
+<pre id="test">
+<script type="application/javascript">
+
+/** Test for structured cloning ImageData. **/
+
+SimpleTest.waitForExplicitFinish();
+window.addEventListener('message', windowMessage);
+startTest();
+
+function startTest() {
+ // Make an ImageData.
+ var ctx = document.getElementById('c').getContext('2d');
+ ctx.fillStyle = 'rgb(';
+ ctx.fillRect(30, 30, 50, 50);
+
+ // Make a blank ImageData.
+ var imageData = ctx.createImageData(200, 200);
+ is(imageData.data.length, imageData.width * imageData.height * 4,
+ 'right size for data');
+
+ // Write some things into it.
+ var pattern = makePattern(imageData.data.length, 42, 7);
+ setPattern(imageData, pattern);
+ ok(checkPattern(imageData, pattern), 'Can read it back before sending');
+
+ // PostMessage it to ourselves.
+ window.postMessage({ imageData: imageData,
+ pattern: pattern,
+ dataRef: imageData.data }, '*');
+}
+
+function windowMessage(evt) {
+ // Check the pattern we received.
+ var imageData = evt.data.imageData;
+ var pattern = evt.data.pattern;
+ ok(checkPattern(imageData, pattern),
+ 'postMessage from self worked correctly');
+
+ // We're not spec compliant on this yet.
+ todo_is(imageData.data, evt.data.dataRef,
+ 'Should have backrefs for imagedata buffer');
+
+ // Make a new pattern, and send it to a worker.
+ pattern = makePattern(imageData.data.length, 4, 3);
+ setPattern(imageData, pattern);
+ var worker = new Worker('worker_bug743615.js');
+ worker.onmessage = workerMessage;
+ worker.postMessage( {imageData: imageData, pattern: pattern });
+}
+
+function workerMessage(evt) {
+ // Relay the results of the worker-side tests.
+ is(evt.data.statusMessage, 'PASS', evt.data.statusMessage);
+
+ // Test what the worker sent us.
+ ok(checkPattern(evt.data.imageData, evt.data.pattern),
+ 'postMessage from worker worked correctly');
+
+ // All done.
+ SimpleTest.finish();
+}
+
+</script>
+</pre>
+</body>
+</html>