[XALANJ-1053] The result of ancestor-or-self()::node() contains duplicated Document nodes.

• Type: Bug
• Status: Resolved
• Resolution: Duplicate
• Affects Version/s: 2.3
• Component/s: XPath
• Environment: Operating System: Other; Platform: All
• Bugzilla Id: 9801
• Assignee: Unassigned
• Reporter: kent
• Created: 12/Jun/02 16:28
• Updated: 16/Feb/11 23:06
• Resolved: 02/Sep/04 21:19

Description

The following code simply sets the root element to the context node and
selects "ancestor-or-self()::node()". Expected result is a node-set
consisted of two nodes, Document and `root' Element, and actual result is
a node-set that has three nodes, Document, Document and `root' Element.

// ----------------------------------------------------------------
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.apache.xpath.XPathAPI;
import org.apache.xpath.objects.XObject;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.traversal.NodeIterator;

public class XPathBug0612 {
public static void main(String[] argv) throws Exception {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
Document doc = builder.newDocument();
Element root = doc.createElement("root");
doc.appendChild(root);

NodeIterator nl = XPathAPI.selectNodeIterator(root, "ancestor-or-
self::node()");
Node n;
int i = 0;
while ((n = nl.nextNode()) != null)

{ System.out.println(n.getNodeName()); i++; }

// assertEquals(2, i);
}
}
// ----------------------------------------------------------------