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 License
20 * along with this library; if not, write to the Free Software Foundation,
21 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
22 *
23 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
24 * in the United States and other countries.]
25 *
26 * -------------------------------
27 * BoxAndWhiskerRendererTests.java
28 * -------------------------------
29 * (C) Copyright 2003-2005, by Object Refinery Limited and Contributors.
30 *
31 * Original Author: David Gilbert (for Object Refinery Limited);
32 * Contributor(s): -;
33 *
34 * $Id: BoxAndWhiskerRendererTests.java,v 1.3 2005/03/08 10:35:26 mungady Exp $
35 *
36 * Changes
37 * -------
38 * 22-Oct-2003 : Version 1 (DG);
39 * 23-Apr-2004 : Extended testEquals() method (DG);
40 *
41 */
42
43 package org.jfree.chart.renderer.category.junit;
44
45 import java.awt.Color;
46 import java.io.ByteArrayInputStream;
47 import java.io.ByteArrayOutputStream;
48 import java.io.ObjectInput;
49 import java.io.ObjectInputStream;
50 import java.io.ObjectOutput;
51 import java.io.ObjectOutputStream;
52
53 import junit.framework.Test;
54 import junit.framework.TestCase;
55 import junit.framework.TestSuite;
56
57 import org.jfree.chart.renderer.category.BoxAndWhiskerRenderer;
58
59 /**
60 * Tests for the {@link BoxAndWhiskerRenderer} class.
61 */
62 public class BoxAndWhiskerRendererTests 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(BoxAndWhiskerRendererTests.class);
71 }
72
73 /**
74 * Constructs a new set of tests.
75 *
76 * @param name the name of the tests.
77 */
78 public BoxAndWhiskerRendererTests(String name) {
79 super(name);
80 }
81
82 /**
83 * Test that the equals() method distinguishes all fields.
84 */
85 public void testEquals() {
86 BoxAndWhiskerRenderer r1 = new BoxAndWhiskerRenderer();
87 BoxAndWhiskerRenderer r2 = new BoxAndWhiskerRenderer();
88 assertEquals(r1, r2);
89
90 r1.setArtifactPaint(Color.yellow);
91 assertFalse(r1.equals(r2));
92 r2.setArtifactPaint(Color.yellow);
93 assertEquals(r1, r2);
94
95 r1.setFillBox(!r1.getFillBox());
96 assertFalse(r1.equals(r2));
97 r2.setFillBox(!r2.getFillBox());
98 assertEquals(r1, r2);
99
100 r1.setItemMargin(0.11);
101 assertFalse(r1.equals(r2));
102 r2.setItemMargin(0.11);
103 assertEquals(r1, r2);
104
105 }
106
107 /**
108 * Two objects that are equal are required to return the same hashCode.
109 */
110 public void testHashcode() {
111 BoxAndWhiskerRenderer r1 = new BoxAndWhiskerRenderer();
112 BoxAndWhiskerRenderer r2 = new BoxAndWhiskerRenderer();
113 assertTrue(r1.equals(r2));
114 int h1 = r1.hashCode();
115 int h2 = r2.hashCode();
116 assertEquals(h1, h2);
117 }
118
119 /**
120 * Confirm that cloning works.
121 */
122 public void testCloning() {
123 BoxAndWhiskerRenderer r1 = new BoxAndWhiskerRenderer();
124 BoxAndWhiskerRenderer r2 = null;
125 try {
126 r2 = (BoxAndWhiskerRenderer) r1.clone();
127 }
128 catch (CloneNotSupportedException e) {
129 System.err.println("Failed to clone.");
130 }
131 assertTrue(r1 != r2);
132 assertTrue(r1.getClass() == r2.getClass());
133 assertTrue(r1.equals(r2));
134 }
135
136 /**
137 * Serialize an instance, restore it, and check for equality.
138 */
139 public void testSerialization() {
140
141 BoxAndWhiskerRenderer r1 = new BoxAndWhiskerRenderer();
142 BoxAndWhiskerRenderer r2 = null;
143
144 try {
145 ByteArrayOutputStream buffer = new ByteArrayOutputStream();
146 ObjectOutput out = new ObjectOutputStream(buffer);
147 out.writeObject(r1);
148 out.close();
149
150 ObjectInput in = new ObjectInputStream(
151 new ByteArrayInputStream(buffer.toByteArray())
152 );
153 r2 = (BoxAndWhiskerRenderer) in.readObject();
154 in.close();
155 }
156 catch (Exception e) {
157 System.out.println(e.toString());
158 }
159 assertEquals(r1, r2);
160
161 }
162
163 }
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