001: /* ===========================================================
002: * JFreeChart : a free chart library for the Java(tm) platform
003: * ===========================================================
004: *
005: * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
006: *
007: * Project Info: http://www.jfree.org/jfreechart/index.html
008: *
009: * This library is free software; you can redistribute it and/or modify it
010: * under the terms of the GNU Lesser General Public License as published by
011: * the Free Software Foundation; either version 2.1 of the License, or
012: * (at your option) any later version.
013: *
014: * This library is distributed in the hope that it will be useful, but
015: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
016: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
017: * License for more details.
018: *
019: * You should have received a copy of the GNU Lesser General Public
020: * License along with this library; if not, write to the Free Software
021: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
022: * USA.
023: *
024: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
025: * in the United States and other countries.]
026: *
027: * ---------------------
028: * KeyedObjectTests.java
029: * ---------------------
030: * (C) Copyright 2004, 2005, by Object Refinery Limited.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: KeyedObjectTests.java,v 1.1.2.1 2006/10/03 15:41:42 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 27-Jan-2004 : Version 1 (DG);
040: *
041: */
042:
043: package org.jfree.data.junit;
044:
045: import java.io.ByteArrayInputStream;
046: import java.io.ByteArrayOutputStream;
047: import java.io.ObjectInput;
048: import java.io.ObjectInputStream;
049: import java.io.ObjectOutput;
050: import java.io.ObjectOutputStream;
051:
052: import junit.framework.Test;
053: import junit.framework.TestCase;
054: import junit.framework.TestSuite;
055:
056: import org.jfree.data.KeyedObject;
057:
058: /**
059: * Tests for the {@link KeyedObject} class.
060: */
061: public class KeyedObjectTests extends TestCase {
062:
063: /**
064: * Returns the tests as a test suite.
065: *
066: * @return The test suite.
067: */
068: public static Test suite() {
069: return new TestSuite(KeyedObjectTests.class);
070: }
071:
072: /**
073: * Constructs a new set of tests.
074: *
075: * @param name the name of the tests.
076: */
077: public KeyedObjectTests(String name) {
078: super (name);
079: }
080:
081: /**
082: * Confirm that the equals method can distinguish all the required fields.
083: */
084: public void testEquals() {
085:
086: KeyedObject ko1 = new KeyedObject("Test", "Object");
087: KeyedObject ko2 = new KeyedObject("Test", "Object");
088: assertTrue(ko1.equals(ko2));
089: assertTrue(ko2.equals(ko1));
090:
091: ko1 = new KeyedObject("Test 1", "Object");
092: ko2 = new KeyedObject("Test 2", "Object");
093: assertFalse(ko1.equals(ko2));
094:
095: ko1 = new KeyedObject("Test", "Object 1");
096: ko2 = new KeyedObject("Test", "Object 2");
097: assertFalse(ko1.equals(ko2));
098:
099: }
100:
101: /**
102: * Confirm that cloning works.
103: */
104: public void testCloning() {
105: KeyedObject ko1 = new KeyedObject("Test", "Object");
106: KeyedObject ko2 = null;
107: try {
108: ko2 = (KeyedObject) ko1.clone();
109: } catch (CloneNotSupportedException e) {
110: System.err.println("Failed to clone.");
111: }
112: assertTrue(ko1 != ko2);
113: assertTrue(ko1.getClass() == ko2.getClass());
114: assertTrue(ko1.equals(ko2));
115: }
116:
117: /**
118: * Serialize an instance, restore it, and check for equality.
119: */
120: public void testSerialization() {
121:
122: KeyedObject ko1 = new KeyedObject("Test", "Object");
123: KeyedObject ko2 = null;
124:
125: try {
126: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
127: ObjectOutput out = new ObjectOutputStream(buffer);
128: out.writeObject(ko1);
129: out.close();
130:
131: ObjectInput in = new ObjectInputStream(
132: new ByteArrayInputStream(buffer.toByteArray()));
133: ko2 = (KeyedObject) in.readObject();
134: in.close();
135: } catch (Exception e) {
136: System.out.println(e.toString());
137: }
138: assertEquals(ko1, ko2);
139:
140: }
141:
142: }
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