зеркало из https://github.com/mozilla/gecko-dev.git
42 строки
1.2 KiB
HTML
42 строки
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=693615
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-->
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<head>
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<title>Test for Bug 693615</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=693615">Mozilla Bug 693615</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 693615 **/
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/*
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The following code tests if calling the DOM method Node::lookupNamespaceURI
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directly (with quickstubs) and through XPCOM leads to the same result.
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*/
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var content = document.getElementById("content");
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// called directly (quickstubs)
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var defaultNS = content.lookupNamespaceURI(null);
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is(defaultNS, null, "direct access working");
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// called via XPCOM
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// deleting the method from the prototype forces the engine to go through XPCOM
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var proto = Object.getPrototypeOf(content);
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delete(proto.lookupNamespaceURI);
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var wrapperNS = content.lookupNamespaceURI(null);
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is(wrapperNS, null, "access through XPCOM working");
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</script>
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</pre>
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</body>
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</html>
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