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44 lines
1.2 KiB
HTML
44 lines
1.2 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=585745
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-->
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<head>
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<title>Test for Bug 585745</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.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=585745">Mozilla Bug 585745</a>
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<p id="display"></p>
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<div id="content" style="display: none">
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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 Bug 585745 **/
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var a = document.createElementNS("http://www.w3.org/1998/Math/MathML", 'mrow');
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var b = document.createElementNS("http://www.w3.org/1999/xhtml", 'span');
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var htmlProto = Object.getPrototypeOf(b);
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var mathMLProto = Object.getPrototypeOf(a);
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// XXXbz once bug 560072 is fixed, we should be able to use
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// getOwnPropertyDescriptor here.
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Object.defineProperty(mathMLProto, "style", {
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get: htmlProto.__lookupGetter__("style"),
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});
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var threw = false;
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try {
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a.style;
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} catch(e) {
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threw = true;
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}
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is(threw, true,
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"Getting .style off a mathml element should throw in this case");
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</script>
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</pre>
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</body>
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</html>
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