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.]
   * 
   * --------------------
   * ObjectListTests.java
   * --------------------
   * (C) Copyright 2003, 2004, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * $Id: ObjectListTests.java,v 1.3 2007/11/02 17:50:37 taqua Exp $
   *
   * Changes
   * -------
   * 13-Aug-2003 : Version 1 (DG);
   * 17-Sep-2003 : Added new tests for equals and serialization (DG);
   *
   */
  
  package org.jfree.util.junit;
  
  import java.awt.Color;
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  
  import junit.framework.Test;
  import junit.framework.TestCase;
  import junit.framework.TestSuite;
  import org.jfree.util.ObjectList;
  
  /**
   * Tests for the {@link ObjectList} class.
   */
  public class ObjectListTests extends TestCase {
  
      /**
       * Returns the tests as a test suite.
       *
       * @return The test suite.
       */
      public static Test suite() {
          return new TestSuite(ObjectListTests.class);
      }
  
      /**
       * Constructs a new set of tests.
       *
       * @param name  the name of the tests.
       */
      public ObjectListTests(final String name) {
          super(name);
      }
  
      /**
       * Tests the equals() method.
       */
      public void testEquals() {
          
          final ObjectList l1 = new ObjectList();
          l1.set(0, Color.blue);
          l1.set(1, Color.red);
          
          final ObjectList l2 = new ObjectList();
          l2.set(0, Color.blue);
          l2.set(1, Color.red);
          
          assertTrue(l1.equals(l2));
          assertTrue(l2.equals(l2));
          
      }
      
      /**
       * Another test of the equals method.  The capacity of the internal list shouldn't
       * be a factor.
       */
      public void testEquals2() {
          
          final ObjectList l1 = new ObjectList(20);
          l1.set(0, Color.blue);
          l1.set(1, Color.red);
          
          final ObjectList l2 = new ObjectList();
          l2.set(0, Color.blue);
          l2.set(1, Color.red);
          
          assertTrue(l1.equals(l2));
          assertTrue(l2.equals(l2));
          
      }
      
      /**
       * Confirm that cloning works.
       */
      public void testCloning() {
          
          final ObjectList l1 = new ObjectList();
          l1.set(0, Color.blue);
          l1.set(1, Color.red);
          
          ObjectList l2 = null;
          try {
              l2 = (ObjectList) l1.clone();
          }
          catch (CloneNotSupportedException e) {
              System.err.println("ObjectListTests.testCloning: failed to clone.");
          }
          assertTrue(l1 != l2);
          assertTrue(l1.getClass() == l2.getClass());
          assertTrue(l1.equals(l2));
          
          l2.set(0, Color.green);
          assertFalse(l1.equals(l2));
          
      }
      
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      public void testSerialization() {
  
          final ObjectList l1 = new ObjectList();
          l1.set(0, Color.red);
          l1.set(1, Color.blue);
          l1.set(2, null);
          
          ObjectList l2 = null;
  
          try {
              final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              final ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(l1);
              out.close();
  
              final ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
              l2 = (ObjectList) in.readObject();
              in.close();
          }
          catch (Exception e) {
              System.out.println(e.toString());
          }
          assertEquals(l1, l2);
  
      }
          
      /**
       * Tests the expand method.  This test reproduces a bug where the list was not expanded beyond
       * the initial default size of 8.  This bug is now fixed.
       */
      public void testExpand() {
          final ObjectList l1 = new ObjectList();
          l1.set(10, Color.blue);
          final Color c = (Color) l1.get(10);
          assertTrue(c.equals(Color.blue));
      }
  
  }
  