Name: eaR10174 Date: 08/29/2003


  The method Node.isEqualNode() returns true in case when two document types with
different internal subsets are compared (see test.java below). According to the method
javadoc:

   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.

the method should return false.

  The bug appears in jdk1.5.0beta-b16 and affects a new JCK1.5 test:

     api/org_w3c/dom/Node/index.html#IsEqualNode[IsEqualNode011]

------------------------------------test.java-----------------------------
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.DocumentBuilder;
import org.xml.sax.InputSource;
import org.w3c.dom.Document;
import org.w3c.dom.DocumentType;
import java.io.StringReader;

public class test {

    String data1 =
        "<?xml version=\"1.0\" ?>"
      + "<!DOCTYPE test [\n"
      + "ENTITY entity1 'entity1'"
      + "ENTITY entity2 'entity2'"
      + "ELEMENT root (#PCDATA)"
      + "]>"
      + "<root>&entity1; &entity2;</root>";

    String data2 =
        "<?xml version=\"1.0\" ?>"
      + "<!DOCTYPE test [\n"
      + "ENTITY entity1 'entity1'"
      + "ENTITY entity3 'entity3'" // another entity defined
      + "ELEMENT root (#PCDATA)"
      + "]>"
      + "<root>&entity1; &entity3;</root>";
      
    DocumentBuilder docBuilder = null;

    public static void main(String argv[]) {
        new test().run();
    }
    
    public void run() {
        try {
            DocumentBuilderFactory docBF = DocumentBuilderFactory.newInstance();
            docBF.setNamespaceAware(true);
            docBuilder = docBF.newDocumentBuilder();
            
            DocumentType docType1 = parse(data1).getDoctype();
            DocumentType docType2 = parse(data2).getDoctype();

            if (docType1.isEqualNode(docType2)) {
                System.out.println("isEqualNode returns true.");
            } else {
                System.out.println("OK.");
            }
        } catch (Exception e) {
            e.printStackTrace();
            return;
        }

    }
    
    private Document parse(String xmlData) throws Exception {
         StringReader in = new StringReader(xmlData);
         InputSource source = new InputSource(in);
         return docBuilder.parse(source);
    }
}
--------------------------------------------------------------------------
% java -showversion test
java version "1.5.0-beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-beta-b16)
Java HotSpot(TM) Client VM (build 1.5.0-beta-b16, mixed mode)

isEqualNode returns true.
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###@###.### 2003-09-03