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Java > Open Source Codes > org > jfree > chart > junit > SpacerTests


1 /* ======================================
2  * JFreeChart : a free Java chart library
3  * ======================================
4  *
5  * Project Info: http://www.jfree.org/jfreechart/index.html
6  * Project Lead: David Gilbert (david.gilbert@object-refinery.com);
7  *
8  * (C) Copyright 2000-2003, by Object Refinery Limited and Contributors.
9  *
10  * This library is free software; you can redistribute it and/or modify it under the terms
11  * of the GNU Lesser General Public License as published by the Free Software Foundation;
12  * either version 2.1 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
15  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16  * See the GNU Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public License along with this
19  * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20  * Boston, MA 02111-1307, USA.
21  *
22  * ----------------
23  * SpacerTests.java
24  * ----------------
25  * (C) Copyright 2003 by Object Refinery Limited and Contributors.
26  *
27  * Original Author: David Gilbert (for Object Refinery Limited);
28  * Contributor(s): -;
29  *
30  * $Id: SpacerTests.java,v 1.1 2003/08/20 11:04:02 mungady Exp $
31  *
32  * Changes
33  * -------
34  * 18-Aug-2003 : Version 1 (DG);
35  *
36  */
37
38 package org.jfree.chart.junit;
39
40 import java.io.ByteArrayInputStream JavaDoc;
41 import java.io.ByteArrayOutputStream JavaDoc;
42 import java.io.ObjectInput JavaDoc;
43 import java.io.ObjectInputStream JavaDoc;
44 import java.io.ObjectOutput JavaDoc;
45 import java.io.ObjectOutputStream JavaDoc;
46
47 import junit.framework.Test;
48 import junit.framework.TestCase;
49 import junit.framework.TestSuite;
50
51 import org.jfree.chart.Spacer;
52
53 /**
54  * Tests for the {@link Spacer} class.
55  *
56  * @author David Gilbert
57  */
58 public class SpacerTests extends TestCase {
59
60     /**
61      * Returns the tests as a test suite.
62      *
63      * @return the test suite.
64      */
65     public static Test suite() {
66         return new TestSuite(SpacerTests.class);
67     }
68
69     /**
70      * Constructs a new set of tests.
71      *
72      * @param name the name of the tests.
73      */
74     public SpacerTests(String JavaDoc name) {
75         super(name);
76     }
77
78     /**
79      * Confirm that the equals method can distinguish all the required fields.
80      */
81     public void testEquals() {
82         
83         Spacer s1 = new Spacer(Spacer.ABSOLUTE, 0.05, 0.05, 0.05, 0.05);
84         Spacer s2 = new Spacer(Spacer.ABSOLUTE, 0.05, 0.05, 0.05, 0.05);
85         assertTrue(s1.equals(s2));
86         
87         s1 = new Spacer(Spacer.ABSOLUTE, 0.05, 0.05, 0.05, 0.05);
88         s2 = new Spacer(Spacer.RELATIVE, 0.05, 0.05, 0.05, 0.05);
89         assertFalse(s1.equals(s2));
90
91         s1 = new Spacer(Spacer.ABSOLUTE, 0.05, 0.05, 0.05, 0.05);
92         s2 = new Spacer(Spacer.ABSOLUTE, 0.06, 0.05, 0.05, 0.05);
93         assertFalse(s1.equals(s2));
94
95         s1 = new Spacer(Spacer.ABSOLUTE, 0.05, 0.05, 0.05, 0.05);
96         s2 = new Spacer(Spacer.ABSOLUTE, 0.05, 0.06, 0.05, 0.05);
97         assertFalse(s1.equals(s2));
98
99         s1 = new Spacer(Spacer.ABSOLUTE, 0.05, 0.05, 0.05, 0.05);
100         s2 = new Spacer(Spacer.ABSOLUTE, 0.05, 0.05, 0.06, 0.05);
101         assertFalse(s1.equals(s2));
102
103         s1 = new Spacer(Spacer.ABSOLUTE, 0.05, 0.05, 0.05, 0.05);
104         s2 = new Spacer(Spacer.ABSOLUTE, 0.05, 0.05, 0.05, 0.06);
105         assertFalse(s1.equals(s2));
106         
107     }
108         
109     /**
110      * Serialize an instance, restore it, and check for equality.
111      */
112     public void testSerialization() {
113
114         Spacer s1 = new Spacer(Spacer.ABSOLUTE, 0.05, 0.05, 0.05, 0.05);
115         Spacer s2 = null;
116
117         try {
118             ByteArrayOutputStream JavaDoc buffer = new ByteArrayOutputStream JavaDoc();
119             ObjectOutput JavaDoc out = new ObjectOutputStream JavaDoc(buffer);
120             out.writeObject(s1);
121             out.close();
122
123             ObjectInput JavaDoc in = new ObjectInputStream JavaDoc(new ByteArrayInputStream JavaDoc(buffer.toByteArray()));
124             s2 = (Spacer) in.readObject();
125             in.close();
126         }
127         catch (Exception JavaDoc e) {
128             System.out.println(e.toString());
129         }
130         boolean b = s1.equals(s2);
131         assertTrue(b);
132
133     }
134
135 }
136
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