jfreechart-1

				/* ===========================================================
				 * JFreeChart : a free chart library for the Java(tm) platform
				 * ===========================================================
				 *
				 * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
				 *
				 * Project Info:  http://www.jfree.org/jfreechart/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.]
				 *
				 * ---------------------
				 * ArrowNeedleTests.java
				 * ---------------------
				 * (C) Copyright 2005, by Object Refinery Limited and Contributors.
				 *
				 * Original Author:  David Gilbert (for Object Refinery Limited);
				 * Contributor(s):   -;
				 *
				 * $Id: ArrowNeedleTests.java,v 1.1.2.2 2005/10/25 20:51:05 mungady Exp $
				 *
				 * Changes
				 * -------
				 * 08-Jun-2005 : Version 1 (DG);
				 *
				 */
				
				package org.jfree.chart.needle.junit;
				
				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.chart.needle.ArrowNeedle;
				
				/**
				 * Tests for the {@link ArrowNeedle} class.
				 */
				public class ArrowNeedleTests extends TestCase {
				    /**
				     * Returns the tests as a test suite.
				     *
				     * @return The test suite.
				     */
				    public static Test suite() {
				        return new TestSuite(ArrowNeedleTests.class);
				    }
				
				    /**
				     * Constructs a new set of tests.
				     *
				     * @param name  the name of the tests.
				     */
				    public ArrowNeedleTests(String name) {
				        super(name);
				    }
				
				    /**
				     * Check that the equals() method can distinguish all fields.
				     */
				    public void testEquals() {
				       ArrowNeedle n1 = new ArrowNeedle(false);
				       ArrowNeedle n2 = new ArrowNeedle(false);
				       assertTrue(n1.equals(n2));
				       assertTrue(n2.equals(n1));
				       
				       n1 = new ArrowNeedle(true);
				       assertFalse(n1.equals(n2));
				       n2 = new ArrowNeedle(true);
				       assertTrue(n1.equals(n2));       
				    }
				
				    /**
				     * Check that cloning works.
				     */
				    public void testCloning() {
				        ArrowNeedle n1 = new ArrowNeedle(false);
				        ArrowNeedle n2 = null;
				        try {
				            n2 = (ArrowNeedle) n1.clone();
				        }
				        catch (CloneNotSupportedException e) {
				            e.printStackTrace();
				            System.err.println("Failed to clone.");
				        }
				        assertTrue(n1 != n2);
				        assertTrue(n1.getClass() == n2.getClass());
				        assertTrue(n1.equals(n2));
				    }
				
				    /**
				     * Serialize an instance, restore it, and check for equality.
				     */
				    public void testSerialization() {
				        ArrowNeedle n1 = new ArrowNeedle(false);
				        ArrowNeedle n2 = null;
				        try {
				            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
				            ObjectOutput out = new ObjectOutputStream(buffer);
				            out.writeObject(n1);
				            out.close();
				            ObjectInput in = new ObjectInputStream(
				                new ByteArrayInputStream(buffer.toByteArray())
				            );
				            n2 = (ArrowNeedle) in.readObject();
				            in.close();
				        }
				        catch (Exception e) {
				            e.printStackTrace();
				        }
				        assertTrue(n1.equals(n2));
				    }
				
				}