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Java > Open Source Codes > org > jfree > data > general > junit > DefaultKeyedValues2DDatasetTests


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  * DefaultKeyedValues2DDatasetTests.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: DefaultKeyedValues2DDatasetTests.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.DefaultKeyedValues2DDataset;
57
58 /**
59  * Tests for the {@link DefaultKeyedValues2DDataset} class.
60  */
61 public class DefaultKeyedValues2DDatasetTests extends TestCase {
62
63     /**
64      * Returns the tests as a test suite.
65      *
66      * @return The test suite.
67      */
68     public static Test suite() {
69         return new TestSuite(DefaultKeyedValues2DDatasetTests.class);
70     }
71
72     /**
73      * Constructs a new set of tests.
74      *
75      * @param name the name of the tests.
76      */
77     public DefaultKeyedValues2DDatasetTests(String JavaDoc name) {
78         super(name);
79     }
80
81     /**
82      * Confirm that cloning works.
83      */
84     public void testCloning() {
85         DefaultKeyedValues2DDataset d1 = new DefaultKeyedValues2DDataset();
86         d1.setValue(new Integer JavaDoc(1), "V1", "C1");
87         d1.setValue(null, "V2", "C1");
88         d1.setValue(new Integer JavaDoc(3), "V3", "C2");
89         DefaultKeyedValues2DDataset d2 = null;
90         try {
91             d2 = (DefaultKeyedValues2DDataset) d1.clone();
92         }
93         catch (CloneNotSupportedException JavaDoc e) {
94             System.err.println("Failed to clone.");
95         }
96         assertTrue(d1 != d2);
97         assertTrue(d1.getClass() == d2.getClass());
98         assertTrue(d1.equals(d2));
99     }
100     
101     /**
102      * Serialize an instance, restore it, and check for equality.
103      */
104     public void testSerialization() {
105
106         DefaultKeyedValues2DDataset d1 = new DefaultKeyedValues2DDataset();
107         d1.addValue(new Double JavaDoc(234.2), "Row1", "Col1");
108         d1.addValue(null, "Row1", "Col2");
109         d1.addValue(new Double JavaDoc(345.9), "Row2", "Col1");
110         d1.addValue(new Double JavaDoc(452.7), "Row2", "Col2");
111
112         DefaultKeyedValues2DDataset d2 = null;
113
114         try {
115             ByteArrayOutputStream JavaDoc buffer = new ByteArrayOutputStream JavaDoc();
116             ObjectOutput JavaDoc out = new ObjectOutputStream JavaDoc(buffer);
117             out.writeObject(d1);
118             out.close();
119
120             ObjectInput JavaDoc in = new ObjectInputStream JavaDoc(
121                 new ByteArrayInputStream JavaDoc(buffer.toByteArray())
122             );
123             d2 = (DefaultKeyedValues2DDataset) in.readObject();
124             in.close();
125         }
126         catch (Exception JavaDoc e) {
127             System.out.println(e.toString());
128         }
129         assertEquals(d1, d2);
130
131     }
132
133 }
134
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