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


1 /* ===========================================================
2  * JFreeChart : a free chart library for the Java(tm) platform
3  * ===========================================================
4  *
5  * (C) Copyright 2000-2006, 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  * YWithXIntervalTests.java
29  * ------------------------
30  * (C) Copyright 2006, by Object Refinery Limited and Contributors.
31  *
32  * Original Author: David Gilbert (for Object Refinery Limited);
33  * Contributor(s): -;
34  *
35  * $Id: YWithXIntervalTests.java,v 1.1.2.1 2006/10/20 15:23:23 mungady Exp $
36  *
37  * Changes
38  * -------
39  * 20-Oct-2006 : 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 import org.jfree.data.xy.YWithXInterval;
56
57 /**
58  * Tests for the {@link YWithXInterval} class.
59  */
60 public class YWithXIntervalTests extends TestCase {
61
62     /**
63      * Returns the tests as a test suite.
64      *
65      * @return The test suite.
66      */
67     public static Test suite() {
68         return new TestSuite(YWithXIntervalTests.class);
69     }
70
71     /**
72      * Constructs a new set of tests.
73      *
74      * @param name the name of the tests.
75      */
76     public YWithXIntervalTests(String JavaDoc name) {
77         super(name);
78     }
79
80     /**
81      * Confirm that the equals method can distinguish all the required fields.
82      */
83     public void testEquals() {
84         YWithXInterval i1 = new YWithXInterval(1.0, 0.5, 1.5);
85         YWithXInterval i2 = new YWithXInterval(1.0, 0.5, 1.5);
86         assertEquals(i1, i2);
87         
88         i1 = new YWithXInterval(1.1, 0.5, 1.5);
89         assertFalse(i1.equals(i2));
90         i2 = new YWithXInterval(1.1, 0.5, 1.5);
91         assertTrue(i1.equals(i2));
92
93         i1 = new YWithXInterval(1.1, 0.55, 1.5);
94         assertFalse(i1.equals(i2));
95         i2 = new YWithXInterval(1.1, 0.55, 1.5);
96         assertTrue(i1.equals(i2));
97     
98         i1 = new YWithXInterval(1.1, 0.55, 1.55);
99         assertFalse(i1.equals(i2));
100         i2 = new YWithXInterval(1.1, 0.55, 1.55);
101         assertTrue(i1.equals(i2));
102     }
103
104     /**
105      * This class is immutable.
106      */
107     public void testCloning() {
108         YWithXInterval i1 = new YWithXInterval(1.0, 0.5, 1.5);
109         assertFalse(i1 instanceof Cloneable JavaDoc);
110     }
111
112     /**
113      * Serialize an instance, restore it, and check for equality.
114      */
115     public void testSerialization() {
116         YWithXInterval i1 = new YWithXInterval(1.0, 0.5, 1.5);
117         YWithXInterval i2 = null;
118         
119         try {
120             ByteArrayOutputStream JavaDoc buffer = new ByteArrayOutputStream JavaDoc();
121             ObjectOutput JavaDoc out = new ObjectOutputStream JavaDoc(buffer);
122             out.writeObject(i1);
123             out.close();
124
125             ObjectInput JavaDoc in = new ObjectInputStream JavaDoc(
126                     new ByteArrayInputStream JavaDoc(buffer.toByteArray()));
127             i2 = (YWithXInterval) in.readObject();
128             in.close();
129         }
130         catch (Exception JavaDoc e) {
131             e.printStackTrace();
132         }
133         assertEquals(i1, i2);
134     }
135     
136 }
137
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