/*
    * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
    *
    * This software is open source.
    * See the bottom of this file for the licence.
    */
   
   package org.dom4j.dom;
   
  import junit.textui.TestRunner;
  
  import java.io.StringReader;
  
  import org.dom4j.AbstractTestCase;
  import org.dom4j.io.DOMWriter;
  import org.dom4j.io.SAXReader;
  
  import org.w3c.dom.DOMException;
  import org.w3c.dom.NamedNodeMap;
  import org.w3c.dom.Node;
  import org.w3c.dom.NodeList;
  
  /***
   * A test harness to test the native DOM implementation of dom4j
   * 
   * @author <a href="mailto:james.strachan@metastuff.com">James Strachan </a>
   * @version $Revision: 1.4 $
   */
  public class DOMTest extends AbstractTestCase {
      /*** Elements. */
      private long elements;
  
      /*** Attributes. */
      private long attributes;
  
      /*** Characters. */
      private long characters;
  
      public static void main(String[] args) {
          TestRunner.run(DOMTest.class);
      }
  
      // Test case(s)
      // -------------------------------------------------------------------------
      public void testCount() throws Exception {
          DOMWriter domWriter = new DOMWriter();
  
          long start = System.currentTimeMillis();
          org.w3c.dom.Document domDocument = domWriter.write(document);
          long end = System.currentTimeMillis();
  
          System.out.println("Converting to a W3C Document took: "
                  + (end - start) + " milliseconds");
  
          traverse(domDocument);
  
          log("elements: " + elements + " attributes: " + attributes
                  + " characters: " + characters);
      }
  
      public void testNamespace() throws Exception {
          String xml = "<prefix:root xmlns:prefix=\"myuri\" />";
          SAXReader xmlReader = new SAXReader(DOMDocumentFactory.getInstance());
          DOMDocument d = (DOMDocument) xmlReader.read(new StringReader(xml));
  
          assertEquals("namespace prefix not correct", "prefix", d
                  .getRootElement().getNamespace().getPrefix());
          assertEquals("namespace uri not correct", "myuri", d.getRootElement()
                  .getNamespace().getURI());
  
          System.out.println(d.asXML());
      }
  
      /***
       * Tests the bug found by Soumanjoy
       * 
       * @throws Exception
       *             DOCUMENT ME!
       */
      public void testClassCastBug() throws Exception {
          DOMDocument oDocument = new DOMDocument("Root");
          org.w3c.dom.Element oParent = oDocument.createElement("Parent");
  
          // <-- Fails here when the code is broken.
          oParent.setAttribute("name", "N01");
          oParent.setAttribute("id", "ID01");
  
          oDocument.appendChild(oParent); // <-- Fails here, Error message is
          // below
      }
  
      public void testReplaceChild() throws Exception {
          DOMDocument document = new DOMDocument("Root");
          org.w3c.dom.Element parent = document.createElement("Parent");
          org.w3c.dom.Element first = document.createElement("FirstChild");
          org.w3c.dom.Element second = document.createElement("SecondChild");
          org.w3c.dom.Element third = document.createElement("ThirdChild");
  
          document.appendChild(parent);
         parent.appendChild(first);
         parent.appendChild(second);
         parent.appendChild(third);
 
         org.w3c.dom.Element newFirst = document.createElement("NewFirst");
         org.w3c.dom.Element oldFirst = (org.w3c.dom.Element) parent
                 .replaceChild(newFirst, first);
 
         /* check the return value of replaceChild */
         assertEquals(oldFirst, first);
 
         /* make sure the old node has been replaced */
         NodeList children = parent.getChildNodes();
         Node firstChild = children.item(0);
         assertEquals(Node.ELEMENT_NODE, firstChild.getNodeType());
         assertEquals(newFirst, firstChild);
 
         /* try to replace a node that doesn't exist */
         org.w3c.dom.Element badNode = document.createElement("No Child");
 
         try {
             parent.replaceChild(newFirst, badNode);
             fail("DOMException not thrown");
         } catch (DOMException e) {
             assertEquals(DOMException.NOT_FOUND_ERR, e.code);
         }
     }
 
     // Implementation methods
     // -------------------------------------------------------------------------
     protected void setUp() throws Exception {
         super.setUp();
 
         SAXReader reader = new SAXReader(DOMDocumentFactory.getInstance());
         document = getDocument("/xml/contents.xml", reader);
     }
 
     /***
      * Traverses the specified node, recursively.
      * 
      * @param node
      *            DOCUMENT ME!
      */
     protected void traverse(Node node) {
         // is there anything to do?
         if (node == null) {
             return;
         }
 
         int type = node.getNodeType();
 
         switch (type) {
             case Node.DOCUMENT_NODE: {
                 elements = 0;
                 attributes = 0;
                 characters = 0;
                 traverse(((org.w3c.dom.Document) node).getDocumentElement());
 
                 break;
             }
 
             case Node.ELEMENT_NODE: {
                 elements++;
 
                 NamedNodeMap attrs = node.getAttributes();
 
                 if (attrs != null) {
                     attributes += attrs.getLength();
                 }
 
                 NodeList children = node.getChildNodes();
 
                 if (children != null) {
                     int len = children.getLength();
 
                     for (int i = 0; i < len; i++) {
                         traverse(children.item(i));
                     }
                 }
 
                 break;
             }
 
             case Node.ENTITY_REFERENCE_NODE: {
                 NodeList children = node.getChildNodes();
 
                 if (children != null) {
                     int len = children.getLength();
 
                     for (int i = 0; i < len; i++) {
                         traverse(children.item(i));
                     }
                 }
 
                 break;
             }
 
             case Node.CDATA_SECTION_NODE: {
                 characters += node.getNodeValue().length();
 
                 break;
             }
 
             case Node.TEXT_NODE: {
                 characters += node.getNodeValue().length();
 
                 break;
             }
 
             default:
                 break;
         }
     }
 }
 
 /*
  * Redistribution and use of this software and associated documentation
  * ("Software"), with or without modification, are permitted provided that the
  * following conditions are met:
  * 
  * 1. Redistributions of source code must retain copyright statements and
  * notices. Redistributions must also contain a copy of this document.
  * 
  * 2. Redistributions in binary form must reproduce the above copyright notice,
  * this list of conditions and the following disclaimer in the documentation
  * and/or other materials provided with the distribution.
  * 
  * 3. The name "DOM4J" must not be used to endorse or promote products derived
  * from this Software without prior written permission of MetaStuff, Ltd. For
  * written permission, please contact dom4j-info@metastuff.com.
  * 
  * 4. Products derived from this Software may not be called "DOM4J" nor may
  * "DOM4J" appear in their names without prior written permission of MetaStuff,
  * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
  * 
  * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
  * 
  * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  * 
  * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
  */