/* ======================================================================== * 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)); } }