<SCRIPT>
if (window.layoutTestController)
    layoutTestController.dumpAsText();

var oElement = document.createElement("s")
var oElementNS = document.createElementNS();
oElementNS.setAttributeNS();
var oAttributeNS = oElementNS.getAttributeNodeNS();
var oAttributeNSClone = oAttributeNS.cloneNode();
oElement.setAttributeNode(oAttributeNSClone);
</SCRIPT>
<BODY>
This tests that an Attribute object is not downcasted to a MappedAttribute.
See http://bugs.webkit.org/show_bug.cgi?id=21032 .
</BODY>