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Java > Open Source Codes > org > jfree > data > xy > junit > MatrixSeriesTests


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  * MatrixSeriesTests.java
29  * ----------------------
30  * (C) Copyright 2004, 2005, by Object Refinery Limited and Contributors.
31  *
32  * Original Author: David Gilbert (for Object Refinery Limited);
33  * Contributor(s): -;
34  *
35  * $Id: MatrixSeriesTests.java,v 1.1.2.1 2006/10/03 15:41:38 mungady Exp $
36  *
37  * Changes
38  * -------
39  * 21-May-2004 : Version 1 (DG);
40  *
41  */
42
43 package org.jfree.data.xy.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.xy.MatrixSeries;
57
58 /**
59  * Tests for the {@link MatrixSeries} class.
60  */
61 public class MatrixSeriesTests 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(MatrixSeriesTests.class);
70     }
71
72     /**
73      * Constructs a new set of tests.
74      *
75      * @param name the name of the tests.
76      */
77     public MatrixSeriesTests(String JavaDoc name) {
78         super(name);
79     }
80
81     /**
82      * Confirm that the equals method can distinguish all the required fields.
83      */
84     public void testEquals() {
85         
86         MatrixSeries m1 = new MatrixSeries("Test", 8, 3);
87         m1.update(0, 0, 11.0);
88         m1.update(7, 2, 22.0);
89         MatrixSeries m2 = new MatrixSeries("Test", 8, 3);
90         m2.update(0, 0, 11.0);
91         m2.update(7, 2, 22.0);
92         assertTrue(m1.equals(m2));
93         assertTrue(m2.equals(m1));
94
95         m1 = new MatrixSeries("Test 2", 8, 3);
96         assertFalse(m1.equals(m2));
97         m2 = new MatrixSeries("Test 2", 8, 3);
98         assertTrue(m1.equals(m2));
99
100         m1 = new MatrixSeries("Test 2", 10, 3);
101         assertFalse(m1.equals(m2));
102         m2 = new MatrixSeries("Test 2", 10, 3);
103         assertTrue(m1.equals(m2));
104
105         m1 = new MatrixSeries("Test 2", 10, 5);
106         assertFalse(m1.equals(m2));
107         m2 = new MatrixSeries("Test 2", 10, 5);
108         assertTrue(m1.equals(m2));
109
110     }
111
112     /**
113      * Confirm that cloning works.
114      */
115     public void testCloning() {
116         MatrixSeries m1 = new MatrixSeries("Test", 8, 3);
117         m1.update(0, 0, 11.0);
118         m1.update(7, 2, 22.0);
119         MatrixSeries m2 = null;
120         try {
121             m2 = (MatrixSeries) m1.clone();
122         }
123         catch (CloneNotSupportedException JavaDoc e) {
124             System.err.println("Failed to clone.");
125         }
126         assertTrue(m1 != m2);
127         assertTrue(m1.getClass() == m2.getClass());
128         assertTrue(m1.equals(m2));
129     }
130
131     /**
132      * Serialize an instance, restore it, and check for equality.
133      */
134     public void testSerialization() {
135
136         MatrixSeries m1 = new MatrixSeries("Test", 8, 3);
137         m1.update(0, 0, 11.0);
138         m1.update(7, 2, 22.0);
139         MatrixSeries m2 = null;
140
141         try {
142             ByteArrayOutputStream JavaDoc buffer = new ByteArrayOutputStream JavaDoc();
143             ObjectOutput JavaDoc out = new ObjectOutputStream JavaDoc(buffer);
144             out.writeObject(m1);
145             out.close();
146
147             ObjectInput JavaDoc in = new ObjectInputStream JavaDoc(
148                 new ByteArrayInputStream JavaDoc(buffer.toByteArray())
149             );
150             m2 = (MatrixSeries) in.readObject();
151             in.close();
152         }
153         catch (Exception JavaDoc e) {
154             fail(e.toString());
155         }
156         assertEquals(m1, m2);
157
158     }
159
160     /**
161      * Tests the getItemColumn() method.
162      */
163     public void testGetItemColumn() {
164         MatrixSeries m = new MatrixSeries("Test", 3, 2);
165         assertEquals(0, m.getItemColumn(0));
166         assertEquals(1, m.getItemColumn(1));
167         assertEquals(0, m.getItemColumn(2));
168         assertEquals(1, m.getItemColumn(3));
169         assertEquals(0, m.getItemColumn(4));
170         assertEquals(1, m.getItemColumn(5));
171     }
172
173     /**
174      * Tests the getItemRow() method.
175      */
176     public void testGetItemRow() {
177         MatrixSeries m = new MatrixSeries("Test", 3, 2);
178         assertEquals(0, m.getItemRow(0));
179         assertEquals(0, m.getItemRow(1));
180         assertEquals(1, m.getItemRow(2));
181         assertEquals(1, m.getItemRow(3));
182         assertEquals(2, m.getItemRow(4));
183         assertEquals(2, m.getItemRow(5));
184     }
185
186     /**
187      * Tests the getItem() method.
188      */
189     public void testGetItem() {
190         MatrixSeries m = new MatrixSeries("Test", 3, 2);
191         m.update(0, 0, 0.0);
192         m.update(0, 1, 1.0);
193         m.update(1, 0, 2.0);
194         m.update(1, 1, 3.0);
195         m.update(2, 0, 4.0);
196         m.update(2, 1, 5.0);
197         assertEquals(0.0, m.getItem(0).doubleValue(), 0.001);
198         assertEquals(1.0, m.getItem(1).doubleValue(), 0.001);
199         assertEquals(2.0, m.getItem(2).doubleValue(), 0.001);
200         assertEquals(3.0, m.getItem(3).doubleValue(), 0.001);
201         assertEquals(4.0, m.getItem(4).doubleValue(), 0.001);
202         assertEquals(5.0, m.getItem(5).doubleValue(), 0.001);
203     }
204
205 }
206
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