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Java > Open Source Codes > org > jfree > ui > junit > Size2DTests


1 /* ========================================================================
2  * JCommon : a free general purpose class 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/jcommon/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  * Size2DTests.java
29  * ----------------
30  * (C) Copyright 2004, by Object Refinery Limited and Contributors.
31  *
32  * Original Author: David Gilbert (for Object Refinery Limited);
33  * Contributor(s): -;
34  *
35  * $Id: Size2DTests.java,v 1.2 2005/10/18 13:22:36 mungady Exp $
36  *
37  * Changes
38  * -------
39  * 10-Nov-2004 : Version 1 (DG);
40  *
41  */
42
43 package org.jfree.ui.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.ui.Size2D;
57
58 /**
59  * Tests for the {@link Size2D} class.
60  */
61 public class Size2DTests 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(Size2DTests.class);
70     }
71
72     /**
73      * Constructs a new set of tests.
74      *
75      * @param name the name of the tests.
76      */
77     public Size2DTests(final 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         Size2D s1 = new Size2D(1.0, 2.0);
87         Size2D s2 = new Size2D(1.0, 2.0);
88         assertTrue(s1.equals(s2));
89         assertTrue(s2.equals(s1));
90         
91         s1 = new Size2D(2.0, 2.0);
92         assertFalse(s1.equals(s2));
93         s2 = new Size2D(2.0, 2.0);
94         assertTrue(s1.equals(s2));
95         
96         s1 = new Size2D(2.0, 3.0);
97         assertFalse(s1.equals(s2));
98         s2 = new Size2D(2.0, 3.0);
99         assertTrue(s1.equals(s2));
100     }
101         
102     /**
103      * Confirm that cloning works.
104      */
105     public void testCloning() {
106         Size2D s1 = new Size2D(1.0, 2.0);
107         Size2D s2 = null;
108         try {
109             s2 = (Size2D) s1.clone();
110         }
111         catch (CloneNotSupportedException JavaDoc e) {
112             e.printStackTrace();
113             System.err.println("Failed to clone.");
114         }
115         assertTrue(s1 != s2);
116         assertTrue(s1.getClass() == s2.getClass());
117         assertTrue(s1.equals(s2));
118     }
119     /**
120      * Serialize an instance, restore it, and check for equality.
121      */
122     public void testSerialization() {
123
124         final Size2D s1 = new Size2D(3.0, 4.0);
125         Size2D s2 = null;
126
127         try {
128             final ByteArrayOutputStream JavaDoc buffer = new ByteArrayOutputStream JavaDoc();
129             final ObjectOutput JavaDoc out = new ObjectOutputStream JavaDoc(buffer);
130             out.writeObject(s1);
131             out.close();
132
133             final ObjectInput JavaDoc in = new ObjectInputStream JavaDoc(new ByteArrayInputStream JavaDoc(buffer.toByteArray()));
134             s2 = (Size2D) in.readObject();
135             in.close();
136         }
137         catch (Exception JavaDoc e) {
138             System.out.println(e.toString());
139         }
140         assertTrue(s1.equals(s2));
141
142     }
143
144 }
145
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