DO NOT REPLY [Bug 24667] New: - Problems with isEqualNode for DocumentType nodes.

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=24667

Problems with isEqualNode for DocumentType nodes.

           Summary: Problems with isEqualNode for DocumentType nodes.
           Product: Xerces2-J
           Version: 2.5.0
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: DOM
        AssignedTo: xerces-j-dev@xml.apache.org
        ReportedBy: nddelima@ca.ibm.com


The DOM L3 Core method isEqualNode [1] tests whether two nodes are equal and 
returns true if they are.  
For two DocumentType nodes to be equal, the following conditions must also be 
satisfied: 
The following string attributes are equal: publicId, systemId, internalSubset. 
The entities NamedNodeMaps are equal. 
The notations NamedNodeMaps are equal. 

For DocType nodes it appears as if Xerces simply checks the qualifiedName and 
incorrectly reports true for DocType nodes that have the same qualifiedName. 
See the following test case.

Test.java
=========
import java.io.ByteArrayInputStream;
import org.w3c.dom.*;
import javax.xml.parsers.*;

public class Test {

	public void testIsEqual()  {
		String data = "<?xml version=\"1.0\"?> "
		+ "<!DOCTYPE root ["
		+ "   <!ELEMENT root (#PCDATA)>"
		+ "   <!ENTITY  ent 'blah'>"
		+ "]>"
		+ "<root>&ent;</root>";
		
		Document doc;
		Node replaced;
		
		try {
			DocumentBuilderFactory dbf = 
DocumentBuilderFactory.newInstance ();
			DocumentBuilder db = dbf.newDocumentBuilder();
			
			doc = db.parse(new ByteArrayInputStream(data.getBytes
()));
			
			DocumentType docType = doc.getDoctype();
			String docTypeName = docType.getName();
			String pubId = docType.getPublicId();
			String sysId = docType.getSystemId();
			
			DOMImplementation domImpl = doc.getImplementation();
			DocumentType docType2 = domImpl.createDocumentType
(docTypeName, "bad1", "bad2");
			boolean isEqual = docType.isEqualNode(docType2);
		
			System.out.println("EXPECTED OUTPUT: " + false + "   
ACTUAL OUTPUT: " + isEqual);
		} catch (Exception e ) {
			System.err.println ("Exception: " + e.getMessage());
			e.printStackTrace();
		}			  
	}         
	
	public static void main(String[] args) {
		Test test = new Test();
		test.testIsEqual();
	}
}


[1] http://www.w3.org/TR/2003/CR-DOM-Level-3-Core-20031107/core.html#Node3-
isEqualNode

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