content: /* ========================================================================
   * JCommon : a free general purpose class library for the Java(tm) platform
   * ========================================================================
   *
   * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
   * 
   * Project Info:  http://www.jfree.org/jcommon/index.html
   *
   * This library is free software; you can redistribute it and/or modify it 
   * under the terms of the GNU Lesser General Public License as published by 
   * the Free Software Foundation; either version 2.1 of the License, or 
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but 
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
   * USA.  
   *
   * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
   * in the United States and other countries.]
   * 
   * ---------------------
   * ObjectUtilsTests.java
   * ---------------------
   * (C) Copyright 2004, 2005, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * $Id: ObjectUtilitiesTests.java,v 1.4 2007/11/02 17:50:37 taqua Exp $
   *
   * Changes
   * -------
   * 15-Sep-2004 : Version 1 (DG);
   * 25-Nov-2004 : Added new checks (DG);
   *
   */
  
  package org.jfree.util.junit;
  
  import java.awt.Point;
  import java.util.ArrayList;
  import java.util.Collection;
  
  import junit.framework.Test;
  import junit.framework.TestCase;
  import junit.framework.TestSuite;
  import org.jfree.util.ObjectUtilities;
  
  /**
   * Some tests for the {@link ObjectUtilities} class.
   */
  public class ObjectUtilitiesTests extends TestCase {
  
      /**
       * Returns the tests as a test suite.
       *
       * @return The test suite.
       */
      public static Test suite() {
          return new TestSuite(ObjectUtilitiesTests.class);
      }
  
      /**
       * Constructs a new set of tests.
       *
       * @param name  the name of the tests.
       */
      public ObjectUtilitiesTests(String name) {
          super(name);
      }
  
      /**
       * Some checks for the clone(Object) method.  The method should
       * have these properties:
       * 
       * (1) Return a clone for any object that can be cloned;
       * (2) Throw a NullPointerException for any object that cannot be cloned;
       * (3) Throw an IllegalArgumentException for null.
       * 
       * @throws CloneNotSupportedException if there is a problem cloning.
       */
      public void testCloneObject() throws CloneNotSupportedException {
          Object obj;
          Object clone;
          
          // check String (not Cloneable)
          boolean pass = false;
          obj = "Hello World";  
          try {
              clone = ObjectUtilities.clone(obj);
              pass = false;
          }
          catch (CloneNotSupportedException e) {
              pass = true;
          }
          assertTrue(pass);
          
          // check Integer (not Cloneable)
          pass = false;
          obj = new Integer(123); 
          try {
              clone = ObjectUtilities.clone(obj);
              pass = false;
          }
          catch (CloneNotSupportedException e) {
              pass = true;
          }
          assertTrue(pass);
          
          // check Point (Cloneable)
          obj = new Point(1, 2);  
          clone = ObjectUtilities.clone(obj);
          assertEquals(obj, clone);
  
          // check null (should throw an IllegalArgumentException)
          obj = null;  
          try {
              clone = ObjectUtilities.clone(obj);
              pass = false;
          }
          catch (IllegalArgumentException e) {
              pass = true;
          }
          assertTrue(pass);
      }
      
      /**
       * Some checks for the deepClone(Collection) method.
       */
      public void testDeepClone() {
          Collection c1 = new ArrayList();
          Collection c2 = null;
          
          // empty list
          try {
              c2 = ObjectUtilities.deepClone(c1);
              assertTrue(c2.isEmpty());
          }
          catch (CloneNotSupportedException e) {
              assertTrue(false);
          }
          
          // list containing Cloneable objects
          c1 = new ArrayList();
          c1.add(new Point(1, 2));
          c1.add(new Point(3, 4));
          try {
              c2 = ObjectUtilities.deepClone(c1);
              assertEquals(2, c2.size());
              assertTrue(c2.contains(new Point(1, 2)));
              assertTrue(c2.contains(new Point(3, 4)));
          }
          catch (CloneNotSupportedException e) {
              assertTrue(false);
          }
  
          // list containing Cloneable and null objects
          c1 = new ArrayList();
          c1.add(new Point(1, 2));
          c1.add(null);
          c1.add(new Point(3, 4));
          try {
              c2 = ObjectUtilities.deepClone(c1);
              assertEquals(3, c2.size());
              assertTrue(c2.contains(new Point(1, 2)));
              assertTrue(c2.contains(new Point(3, 4)));
          }
          catch (CloneNotSupportedException e) {
              assertTrue(false);
          }
          
          // list containing non-Cloneable objects
          c1.clear();
          c1.add("S1");
          c1.add("S2");
          try {
              c2 = ObjectUtilities.deepClone(c1);
              assertTrue(false);  // if we get to here, the test has failed
          }
          catch (CloneNotSupportedException e) {
              assertTrue(true);
          }
          
          // null list
          try {
              c2 = ObjectUtilities.deepClone(null);
              assertTrue(false);  // if we get to here, the test has failed
          }
          catch (IllegalArgumentException e) {
              assertTrue(true);
          }
          catch (CloneNotSupportedException e) {
              assertTrue(false);
          }
  
      }
  
  }
  