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Java > Open Source Codes > org > jfree > chart > axis > junit > QuarterDateFormatTests


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  * QuarterDateFormatTests.java
29  * ---------------------------
30  * (C) Copyright 2005, by Object Refinery Limited and Contributors.
31  *
32  * Original Author: David Gilbert (for Object Refinery Limited);
33  * Contributor(s): -;
34  *
35  * $Id: QuarterDateFormatTests.java,v 1.1.2.1 2006/10/03 15:41:21 mungady Exp $
36  *
37  * Changes
38  * -------
39  * 10-May-2005 : Version 1 (DG);
40  *
41  */
42
43 package org.jfree.chart.axis.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 import java.util.TimeZone JavaDoc;
52
53 import junit.framework.Test;
54 import junit.framework.TestCase;
55 import junit.framework.TestSuite;
56
57 import org.jfree.chart.axis.QuarterDateFormat;
58
59 /**
60  * Tests for the {@link QuarterDateFormat} class.
61  */
62 public class QuarterDateFormatTests extends TestCase {
63
64     /**
65      * Returns the tests as a test suite.
66      *
67      * @return The test suite.
68      */
69     public static Test suite() {
70         return new TestSuite(QuarterDateFormatTests.class);
71     }
72
73     /**
74      * Constructs a new set of tests.
75      *
76      * @param name the name of the tests.
77      */
78     public QuarterDateFormatTests(String JavaDoc name) {
79         super(name);
80     }
81
82     /**
83      * Confirm that the equals method can distinguish all the required fields.
84      */
85     public void testEquals() {
86         QuarterDateFormat qf1 = new QuarterDateFormat(
87             TimeZone.getTimeZone("GMT"), new String JavaDoc[] {"1", "2", "3", "4"}
88         );
89         QuarterDateFormat qf2 = new QuarterDateFormat(
90             TimeZone.getTimeZone("GMT"), new String JavaDoc[] {"1", "2", "3", "4"}
91         );
92         assertTrue(qf1.equals(qf2));
93         assertTrue(qf2.equals(qf1));
94         
95         qf1 = new QuarterDateFormat(
96             TimeZone.getTimeZone("PST"), new String JavaDoc[] {"1", "2", "3", "4"}
97         );
98         assertFalse(qf1.equals(qf2));
99         qf2 = new QuarterDateFormat(
100             TimeZone.getTimeZone("PST"), new String JavaDoc[] {"1", "2", "3", "4"}
101         );
102         assertTrue(qf1.equals(qf2));
103         
104         qf1 = new QuarterDateFormat(
105             TimeZone.getTimeZone("PST"), new String JavaDoc[] {"A", "2", "3", "4"}
106         );
107         assertFalse(qf1.equals(qf2));
108         qf2 = new QuarterDateFormat(
109             TimeZone.getTimeZone("PST"), new String JavaDoc[] {"A", "2", "3", "4"}
110         );
111         assertTrue(qf1.equals(qf2));
112
113     }
114    
115     /**
116      * Two objects that are equal are required to return the same hashCode.
117      */
118     public void testHashCode() {
119         QuarterDateFormat qf1 = new QuarterDateFormat(
120             TimeZone.getTimeZone("GMT"), new String JavaDoc[] {"1", "2", "3", "4"}
121         );
122         QuarterDateFormat qf2 = new QuarterDateFormat(
123             TimeZone.getTimeZone("GMT"), new String JavaDoc[] {"1", "2", "3", "4"}
124         );
125         assertTrue(qf1.equals(qf2));
126         int h1 = qf1.hashCode();
127         int h2 = qf2.hashCode();
128         assertEquals(h1, h2);
129     }
130     
131     /**
132      * Confirm that cloning works.
133      */
134     public void testCloning() {
135         QuarterDateFormat qf1 = new QuarterDateFormat(
136             TimeZone.getTimeZone("GMT"), new String JavaDoc[] {"1", "2", "3", "4"}
137         );
138         QuarterDateFormat qf2 = null;
139         qf2 = (QuarterDateFormat) qf1.clone();
140         assertTrue(qf1 != qf2);
141         assertTrue(qf1.getClass() == qf2.getClass());
142         assertTrue(qf1.equals(qf2));
143     }
144
145     /**
146      * Serialize an instance, restore it, and check for equality.
147      */
148     public void testSerialization() {
149         QuarterDateFormat qf1 = new QuarterDateFormat(
150             TimeZone.getTimeZone("GMT"), new String JavaDoc[] {"1", "2", "3", "4"}
151         );
152         QuarterDateFormat qf2 = null;
153         try {
154             ByteArrayOutputStream JavaDoc buffer = new ByteArrayOutputStream JavaDoc();
155             ObjectOutput JavaDoc out = new ObjectOutputStream JavaDoc(buffer);
156             out.writeObject(qf1);
157             out.close();
158
159             ObjectInput JavaDoc in = new ObjectInputStream JavaDoc(
160                 new ByteArrayInputStream JavaDoc(buffer.toByteArray())
161             );
162             qf2 = (QuarterDateFormat) in.readObject();
163             in.close();
164         }
165         catch (Exception JavaDoc e) {
166             fail(e.toString());
167         }
168         assertTrue(qf1.equals(qf2));
169     }
170
171 }
172
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