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Java > Open Source Codes > org > jfree > data > general > junit > DefaultKeyedValuesDatasetTests


1 /* ===========================================================
2  * JFreeChart : a free chart library for the Java(tm) platform
3  * ===========================================================
4  *
5  * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
6  *
7  * Project Info: http://www.jfree.org/jfreechart/index.html
8  *
9  * This library is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU Lesser General Public License as published by
11  * the Free Software Foundation; either version 2.1 of the License, or
12  * (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful, but
15  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17  * License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22  * USA.
23  *
24  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
25  * in the United States and other countries.]
26  *
27  * -----------------------------------
28  * DefaultKeyedValuesDatasetTests.java
29  * -----------------------------------
30  * (C) Copyright 2003-2005, by Object Refinery Limited and Contributors.
31  *
32  * Original Author: David Gilbert (for Object Refinery Limited);
33  * Contributor(s): -;
34  *
35  * $Id: DefaultKeyedValuesDatasetTests.java,v 1.1.2.1 2006/10/03 15:41:43 mungady Exp $
36  *
37  * Changes
38  * -------
39  * 13-Mar-2003 : Version 1 (DG);
40  *
41  */
42
43 package org.jfree.data.general.junit;
44
45 import java.io.ByteArrayInputStream JavaDoc;
46 import java.io.ByteArrayOutputStream JavaDoc;
47 import java.io.ObjectInput JavaDoc;
48 import java.io.ObjectInputStream JavaDoc;
49 import java.io.ObjectOutput JavaDoc;
50 import java.io.ObjectOutputStream JavaDoc;
51
52 import junit.framework.Test;
53 import junit.framework.TestCase;
54 import junit.framework.TestSuite;
55
56 import org.jfree.data.general.DefaultKeyedValuesDataset;
57 import org.jfree.data.general.KeyedValuesDataset;
58
59 /**
60  * Tests for the {@link DefaultKeyedValuesDataset} class.
61  */
62 public class DefaultKeyedValuesDatasetTests extends TestCase {
63
64     /**
65      * Returns the tests as a test suite.
66      *
67      * @return The test suite.
68      */
69     public static Test suite() {
70         return new TestSuite(DefaultKeyedValuesDatasetTests.class);
71     }
72
73     /**
74      * Constructs a new set of tests.
75      *
76      * @param name the name of the tests.
77      */
78     public DefaultKeyedValuesDatasetTests(String JavaDoc name) {
79         super(name);
80     }
81
82     /**
83      * Confirm that cloning works.
84      */
85     public void testCloning() {
86         DefaultKeyedValuesDataset d1 = new DefaultKeyedValuesDataset();
87         d1.setValue("V1", new Integer JavaDoc(1));
88         d1.setValue("V2", null);
89         d1.setValue("V3", new Integer JavaDoc(3));
90         DefaultKeyedValuesDataset d2 = null;
91         try {
92             d2 = (DefaultKeyedValuesDataset) d1.clone();
93         }
94         catch (CloneNotSupportedException JavaDoc e) {
95             System.err.println("Failed to clone.");
96         }
97         assertTrue(d1 != d2);
98         assertTrue(d1.getClass() == d2.getClass());
99         assertTrue(d1.equals(d2));
100     }
101
102     /**
103      * Serialize an instance, restore it, and check for equality.
104      */
105     public void testSerialization() {
106
107         DefaultKeyedValuesDataset d1 = new DefaultKeyedValuesDataset();
108         d1.setValue("C1", new Double JavaDoc(234.2));
109         d1.setValue("C2", null);
110         d1.setValue("C3", new Double JavaDoc(345.9));
111         d1.setValue("C4", new Double JavaDoc(452.7));
112
113         KeyedValuesDataset d2 = null;
114
115         try {
116             ByteArrayOutputStream JavaDoc buffer = new ByteArrayOutputStream JavaDoc();
117             ObjectOutput JavaDoc out = new ObjectOutputStream JavaDoc(buffer);
118             out.writeObject(d1);
119             out.close();
120
121             ObjectInput JavaDoc in = new ObjectInputStream JavaDoc(
122                 new ByteArrayInputStream JavaDoc(buffer.toByteArray())
123             );
124             d2 = (KeyedValuesDataset) in.readObject();
125             in.close();
126         }
127         catch (Exception JavaDoc e) {
128             System.out.println(e.toString());
129         }
130         assertEquals(d1, d2);
131
132     }
133
134 }
135
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