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<!DOCTYPE HTML>
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:test="http://example.com/test">
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=694754
-->
<head>
<title>Test for Bug 694754</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.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=694754">Mozilla Bug 694754</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 694754 **/
/*
The following code tests if calling the DOM methods Document::lookupNamespaceURI
and Document::lookupPrefix directly (with quickstubs) and through XPCOM leads
to the same result.
This test makes use of the bug/feature that deleting a method from the
prototype forces the engine to go through XPCOM.
*/
// Document::lookupPrefix called directly (quickstubs)
var prefixDirect = document.lookupPrefix("http://example.com/test");
is(prefixDirect, "test",
"calling Document::lookupPrefix through quickstubs works");
// Document::lookupPrefix called via XPCOM
var proto = Object.getPrototypeOf(document);
delete(proto.lookupPrefix);
var prefixThroughXPCOM = document.lookupPrefix("http://example.com/test");
is(prefixThroughXPCOM, "test",
"calling Document::lookupPrefix through XPCOM works");
// Document::lookupNamespaceURI called directly (quickstubs)
var namespaceDirect = document.lookupNamespaceURI(null);
is(namespaceDirect, "http://www.w3.org/1999/xhtml",
"calling Document::lookupNamespaceURI through quickstubs works");
// Document::lookupNamespaceURI called via XPCOM
delete(proto.lookupNamespaceURI);
var namespaceThroughXPCOM = document.lookupNamespaceURI(null);
is(namespaceThroughXPCOM, "http://www.w3.org/1999/xhtml",
"calling Document::lookupNamespaceURI through XPCOM works");
// Document::isDefaultNamespace called directly (quickstubs)
var isDefaultNamespaceDirect = document.isDefaultNamespace("http://www.w3.org/1999/xhtml");
is(isDefaultNamespaceDirect, true,
"Default namespace correctly detected through quickstubs");
// Document::isDefaultNamespace called via XPCOM
delete(proto.isDefaultNamespace);
var isDefaultNamespaceXPCOM = document.isDefaultNamespace("http://www.w3.org/1999/xhtml");
is(isDefaultNamespaceXPCOM, true,
"Default namespace correctly detected through XPCOM");
</script>
</pre>
</body>
</html>
|
