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: * DefaultKeyedValueDatasetTests.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: DefaultKeyedValueDatasetTests.java,v 1.1.2.1 2006/10/03 15:41:43 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 18-Aug-2003 : Version 1 (DG);
040: *
041: */
042:
043: package org.jfree.data.general.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.general.DefaultKeyedValueDataset;
057:
058: /**
059: * Tests for the {@link DefaultKeyedValueDataset} class.
060: */
061: public class DefaultKeyedValueDatasetTests 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(DefaultKeyedValueDatasetTests.class);
070: }
071:
072: /**
073: * Constructs a new set of tests.
074: *
075: * @param name the name of the tests.
076: */
077: public DefaultKeyedValueDatasetTests(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: DefaultKeyedValueDataset d1 = new DefaultKeyedValueDataset(
087: "Test", new Double(45.5));
088: DefaultKeyedValueDataset d2 = new DefaultKeyedValueDataset(
089: "Test", new Double(45.5));
090: assertTrue(d1.equals(d2));
091: assertTrue(d2.equals(d1));
092:
093: d1 = new DefaultKeyedValueDataset("Test 1", new Double(45.5));
094: d2 = new DefaultKeyedValueDataset("Test 2", new Double(45.5));
095: assertFalse(d1.equals(d2));
096:
097: d1 = new DefaultKeyedValueDataset("Test", new Double(45.5));
098: d2 = new DefaultKeyedValueDataset("Test", new Double(45.6));
099: assertFalse(d1.equals(d2));
100:
101: }
102:
103: /**
104: * Confirm that cloning works.
105: */
106: public void testCloning() {
107: DefaultKeyedValueDataset d1 = new DefaultKeyedValueDataset(
108: "Test", new Double(45.5));
109: DefaultKeyedValueDataset d2 = null;
110: try {
111: d2 = (DefaultKeyedValueDataset) d1.clone();
112: } catch (CloneNotSupportedException e) {
113: System.err.println("Failed to clone.");
114: }
115: assertTrue(d1 != d2);
116: assertTrue(d1.getClass() == d2.getClass());
117: assertTrue(d1.equals(d2));
118: }
119:
120: /**
121: * Confirm that the clone is independent of the original.
122: */
123: public void testCloneIndependence() {
124: DefaultKeyedValueDataset d1 = new DefaultKeyedValueDataset(
125: "Key", new Double(10.0));
126: DefaultKeyedValueDataset d2 = null;
127: try {
128: d2 = (DefaultKeyedValueDataset) d1.clone();
129: } catch (CloneNotSupportedException e) {
130: System.err.println("Failed to clone.");
131: }
132: assertTrue(d1.equals(d2));
133: d2.updateValue(new Double(99.9));
134: assertFalse(d1.equals(d2));
135: d2.updateValue(new Double(10.0));
136: assertTrue(d1.equals(d2));
137: }
138:
139: /**
140: * Serialize an instance, restore it, and check for equality.
141: */
142: public void testSerialization() {
143:
144: DefaultKeyedValueDataset d1 = new DefaultKeyedValueDataset(
145: "Test", new Double(25.3));
146: DefaultKeyedValueDataset d2 = null;
147:
148: try {
149: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
150: ObjectOutput out = new ObjectOutputStream(buffer);
151: out.writeObject(d1);
152: out.close();
153:
154: ObjectInput in = new ObjectInputStream(
155: new ByteArrayInputStream(buffer.toByteArray()));
156: d2 = (DefaultKeyedValueDataset) in.readObject();
157: in.close();
158: } catch (Exception e) {
159: System.out.println(e.toString());
160: }
161: assertEquals(d1, d2);
162: }
163:
164: }
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