/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2008, 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 2005-2008, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * 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)); } }
