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 * BlockContainerTests.java
28 * ------------------------
29 * (C) Copyright 2005, by Object Refinery Limited and Contributors.
30 *
31 * Original Author: David Gilbert (for Object Refinery Limited);
32 * Contributor(s): -;
33 *
34 * $Id: BlockContainerTests.java,v 1.2 2005/05/03 13:23:22 mungady Exp $
35 *
36 * Changes
37 * -------
38 * 04-Feb-2005 : Version 1 (DG);
39 *
40 */
41
42 package org.jfree.chart.block.junit;
43
44 import java.io.ByteArrayInputStream;
45 import java.io.ByteArrayOutputStream;
46 import java.io.ObjectInput;
47 import java.io.ObjectInputStream;
48 import java.io.ObjectOutput;
49 import java.io.ObjectOutputStream;
50
51 import junit.framework.Test;
52 import junit.framework.TestCase;
53 import junit.framework.TestSuite;
54
55 import org.jfree.chart.block.BlockContainer;
56 import org.jfree.chart.block.ColumnArrangement;
57 import org.jfree.chart.block.EmptyBlock;
58 import org.jfree.chart.block.FlowArrangement;
59
60 /**
61 * Tests for the {@link BlockContainer} class.
62 */
63 public class BlockContainerTests extends TestCase {
64
65 /**
66 * Returns the tests as a test suite.
67 *
68 * @return The test suite.
69 */
70 public static Test suite() {
71 return new TestSuite(BlockContainerTests.class);
72 }
73
74 /**
75 * Constructs a new set of tests.
76 *
77 * @param name the name of the tests.
78 */
79 public BlockContainerTests(String name) {
80 super(name);
81 }
82
83 /**
84 * Confirm that the equals() method can distinguish all the required fields.
85 */
86 public void testEquals() {
87 BlockContainer c1 = new BlockContainer(new FlowArrangement());
88 BlockContainer c2 = new BlockContainer(new FlowArrangement());
89 assertTrue(c1.equals(c2));
90 assertTrue(c2.equals(c2));
91
92 c1.setArrangement(new ColumnArrangement());
93 assertFalse(c1.equals(c2));
94 c2.setArrangement(new ColumnArrangement());
95 assertTrue(c1.equals(c2));
96
97 c1.add(new EmptyBlock(1.2, 3.4));
98 assertFalse(c1.equals(c2));
99 c2.add(new EmptyBlock(1.2, 3.4));
100 assertTrue(c1.equals(c2));
101 }
102
103 /**
104 * Confirm that cloning works.
105 */
106 public void testCloning() {
107 BlockContainer c1 = new BlockContainer(new FlowArrangement());
108 c1.add(new EmptyBlock(1.2, 3.4));
109
110 BlockContainer c2 = null;
111
112 try {
113 c2 = (BlockContainer) c1.clone();
114 }
115 catch (CloneNotSupportedException e) {
116 System.err.println("Failed to clone.");
117 }
118 assertTrue(c1 != c2);
119 assertTrue(c1.getClass() == c2.getClass());
120 assertTrue(c1.equals(c2));
121 }
122
123 /**
124 * Serialize an instance, restore it, and check for equality.
125 */
126 public void testSerialization() {
127 BlockContainer c1 = new BlockContainer();
128 c1.add(new EmptyBlock(1.2, 3.4));
129 BlockContainer c2 = null;
130 try {
131 ByteArrayOutputStream buffer = new ByteArrayOutputStream();
132 ObjectOutput out = new ObjectOutputStream(buffer);
133 out.writeObject(c1);
134 out.close();
135
136 ObjectInput in = new ObjectInputStream(
137 new ByteArrayInputStream(buffer.toByteArray())
138 );
139 c2 = (BlockContainer) in.readObject();
140 in.close();
141 }
142 catch (Exception e) {
143 fail(e.toString());
144 }
145 assertEquals(c1, c2);
146 }
147
148 }
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