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