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: * DefaultKeyedValueTests.java
029: * ---------------------------
030: * (C) Copyright 2003-2005, by Object Refinery Limited and Contributors.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: DefaultKeyedValueTests.java,v 1.1.2.1 2006/10/03 15:41:43 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 13-Mar-2003 : 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.DefaultKeyedValue;
057:
058: /**
059: * Tests for the {@link DefaultKeyedValue} class.
060: */
061: public class DefaultKeyedValueTests 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(DefaultKeyedValueTests.class);
070: }
071:
072: /**
073: * Constructs a new set of tests.
074: *
075: * @param name the name of the tests.
076: */
077: public DefaultKeyedValueTests(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: DefaultKeyedValue v1 = new DefaultKeyedValue("Test",
087: new Double(45.5));
088: DefaultKeyedValue v2 = new DefaultKeyedValue("Test",
089: new Double(45.5));
090: assertTrue(v1.equals(v2));
091: assertTrue(v2.equals(v1));
092:
093: v1 = new DefaultKeyedValue("Test 1", new Double(45.5));
094: v2 = new DefaultKeyedValue("Test 2", new Double(45.5));
095: assertFalse(v1.equals(v2));
096:
097: v1 = new DefaultKeyedValue("Test", new Double(45.5));
098: v2 = new DefaultKeyedValue("Test", new Double(45.6));
099: assertFalse(v1.equals(v2));
100:
101: }
102:
103: /**
104: * Some checks for the clone() method.
105: */
106: public void testCloning() {
107: DefaultKeyedValue v1 = new DefaultKeyedValue("Test",
108: new Double(45.5));
109: DefaultKeyedValue v2 = null;
110: try {
111: v2 = (DefaultKeyedValue) v1.clone();
112: } catch (CloneNotSupportedException e) {
113: System.err.println("Failed to clone.");
114: }
115: assertTrue(v1 != v2);
116: assertTrue(v1.getClass() == v2.getClass());
117: assertTrue(v1.equals(v2));
118:
119: // confirm that the clone is independent of the original
120: v2.setValue(new Double(12.3));
121: assertFalse(v1.equals(v2));
122: }
123:
124: /**
125: * Serialize an instance, restore it, and check for equality.
126: */
127: public void testSerialization() {
128:
129: DefaultKeyedValue v1 = new DefaultKeyedValue("Test",
130: new Double(25.3));
131: DefaultKeyedValue v2 = null;
132:
133: try {
134: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
135: ObjectOutput out = new ObjectOutputStream(buffer);
136: out.writeObject(v1);
137: out.close();
138:
139: ObjectInput in = new ObjectInputStream(
140: new ByteArrayInputStream(buffer.toByteArray()));
141: v2 = (DefaultKeyedValue) in.readObject();
142: in.close();
143: } catch (Exception e) {
144: System.out.println(e.toString());
145: }
146: assertEquals(v1, v2);
147:
148: }
149:
150: }
|