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Java > Open Source Codes > org > jfree > data > junit > DefaultKeyedValues2DTests


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 License
20  * along with this library; if not, write to the Free Software Foundation,
21  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
22  *
23  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
24  * in the United States and other countries.]
25  *
26  * ------------------------------
27  * DefaultKeyedValues2DTests.java
28  * ------------------------------
29  * (C) Copyright 2003-2005 by Object Refinery Limited and Contributors.
30  *
31  * Original Author: David Gilbert (for Object Refinery Limited);
32  * Contributor(s): -;
33  *
34  * $Id: DefaultKeyedValues2DTests.java,v 1.4 2005/03/29 12:56:53 mungady Exp $
35  *
36  * Changes
37  * -------
38  * 13-Mar-2003 : Version 1 (DG);
39  * 15-Sep-2004 : Updated cloning test (DG);
40  *
41  */
42
43 package org.jfree.data.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.DefaultKeyedValues2D;
57
58 /**
59  * Tests for the {@link DefaultKeyedValues2D} class.
60  */
61 public class DefaultKeyedValues2DTests 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(DefaultKeyedValues2DTests.class);
70     }
71
72     /**
73      * Constructs a new set of tests.
74      *
75      * @param name the name of the tests.
76      */
77     public DefaultKeyedValues2DTests(String JavaDoc name) {
78         super(name);
79     }
80
81     /**
82      * Some checks for the clone() method.
83      */
84     public void testCloning() {
85         DefaultKeyedValues2D v1 = new DefaultKeyedValues2D();
86         v1.setValue(new Integer JavaDoc(1), "V1", "C1");
87         v1.setValue(null, "V2", "C1");
88         v1.setValue(new Integer JavaDoc(3), "V3", "C2");
89         DefaultKeyedValues2D v2 = null;
90         try {
91             v2 = (DefaultKeyedValues2D) v1.clone();
92         }
93         catch (CloneNotSupportedException JavaDoc e) {
94             System.err.println("Failed to clone.");
95         }
96         assertTrue(v1 != v2);
97         assertTrue(v1.getClass() == v2.getClass());
98         assertTrue(v1.equals(v2));
99         
100         // check that clone is independent of the original
101 v2.setValue(new Integer JavaDoc(2), "V2", "C1");
102         assertFalse(v1.equals(v2));
103     }
104     
105     /**
106      * Serialize an instance, restore it, and check for equality.
107      */
108     public void testSerialization() {
109
110         DefaultKeyedValues2D kv2D1 = new DefaultKeyedValues2D();
111         kv2D1.addValue(new Double JavaDoc(234.2), "Row1", "Col1");
112         kv2D1.addValue(null, "Row1", "Col2");
113         kv2D1.addValue(new Double JavaDoc(345.9), "Row2", "Col1");
114         kv2D1.addValue(new Double JavaDoc(452.7), "Row2", "Col2");
115
116         DefaultKeyedValues2D kv2D2 = null;
117
118         try {
119             ByteArrayOutputStream JavaDoc buffer = new ByteArrayOutputStream JavaDoc();
120             ObjectOutput JavaDoc out = new ObjectOutputStream JavaDoc(buffer);
121             out.writeObject(kv2D1);
122             out.close();
123
124             ObjectInput JavaDoc in = new ObjectInputStream JavaDoc(
125                 new ByteArrayInputStream JavaDoc(buffer.toByteArray())
126             );
127             kv2D2 = (DefaultKeyedValues2D) in.readObject();
128             in.close();
129         }
130         catch (Exception JavaDoc e) {
131             System.out.println(e.toString());
132         }
133         assertEquals(kv2D1, kv2D2);
134
135     }
136
137 }
138
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