43 lines
1.2 KiB
HTML
43 lines
1.2 KiB
HTML
<head>
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<script>
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function print(message)
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{
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var paragraph = document.createElement("li");
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paragraph.appendChild(document.createTextNode(message));
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document.getElementById("console").appendChild(paragraph);
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}
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function test()
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{
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if (window.testRunner)
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testRunner.dumpAsText();
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if (window.internals) {
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window.internals.setMaxCanvasPixelMemory(16384 * 16384 * 4);
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window.internals.setMaxCanvasArea(134217728);
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}
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var canvas = document.getElementById("bigCanvas");
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var width = canvas.width;
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// We need to perform a context fetch to force allocation of
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// canvas resources.
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if (canvas.getContext) {
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var ctx = canvas.getContext("2d");
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if (ctx == null)
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print("Canvas 2d context = null!");
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}
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print("Survived canvas creation attempt. Width = " + width);
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// Resize the canvas to ensure the large canvas doesn't leak into the next test.
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canvas.width = 1;
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}
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</script>
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</head>
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<body onload="test();">
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<canvas id="bigCanvas" width="134217728" height="1"></canvas>
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<p>This test checks to see if the browser survives the attempted creation
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of an excessively large canvas.</p>
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<hr>
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<p><ol id=console></ol></p>
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</body>
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