Test http://www.w3.org/2001/DOM-Test-Suite/level1/core/nodereplacechildnodeancestor

<test name='nodereplacechildnodeancestor' schemaLocation='http://www.w3.org/2001/DOM-Test-Suite/Level-1 dom1.xsd'>
     <metadata>
          <title>nodeReplaceChildNodeAncestor</title>
          <creator>NIST</creator>
          <description> The "replaceChild(newChild,oldChild)" method raises a HIERARCHY_REQUEST_ERR DOMException if the node to put in is one of this node's ancestors. Retrieve the second employee and attempt to replace one of its children with an ancestor node(root node). An attempt to make such a replacement should raise the desired exception. </description>
          <contributor>Mary Brady</contributor>
          <date qualifier='created'>2001-08-17</date>
          <subject resource='http://www.w3.org/TR/1998/REC-DOM-Level-1-19981001/level-one-core#xpointer(id('ID-258A00AF')/constant[@name='HIERARCHY_REQUEST_ERR'])'/>
          <subject resource='http://www.w3.org/TR/1998/REC-DOM-Level-1-19981001/level-one-core#ID-785887307'/>
          <subject resource='http://www.w3.org/TR/1998/REC-DOM-Level-1-19981001/level-one-core#xpointer(id('ID-785887307')/raises/exception[@name='DOMException']/descr/p[substring-before(.,':')='HIERARCHY_REQUEST_ERR'])'/>
          <subject resource='http://www.w3.org/TR/1998/REC-DOM-Level-1-19981001/level-one-core#ID-785887307'/>
          <subject resource='http://www.w3.org/Bugs/Public/show_bug.cgi?id=249'/>
</metadata>
     <var name='doc' type='Document'/>
     <var name='newChild' type='Node'/>
     <var name='elementList' type='NodeList'/>
     <var name='employeeNode' type='Node'/>
     <var name='childList' type='NodeList'/>
     <var name='oldChild' type='Node'/>
     <var name='replacedNode' type='Node'/>
     <load var='doc' href='staff' willBeModified='true'/>
     <documentElement obj='doc' var='newChild'/>
     <getElementsByTagName interface='Document' obj='doc' tagname='"employee"' var='elementList'/>
     <item interface='NodeList' obj='elementList' index='1' var='employeeNode'/>
     <childNodes obj='employeeNode' var='childList'/>
     <item interface='NodeList' obj='childList' index='0' var='oldChild'/>
     <assertDOMException id='throw_HIERARCHY_REQUEST_ERR'>
          <HIERARCHY_REQUEST_ERR>
               <replaceChild var='replacedNode' obj='employeeNode' newChild='newChild' oldChild='oldChild'/>
          </HIERARCHY_REQUEST_ERR>
     </assertDOMException>
</test>

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