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


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  * StandardGradientPaintTransformerTests.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: StandardGradientPaintTransformerTests.java,v 1.4 2005/10/18 13:22:36 mungady Exp $
36  *
37  * Changes
38  * -------
39  * 19-Mar-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.GradientPaintTransformType;
57 import org.jfree.ui.StandardGradientPaintTransformer;
58
59 /**
60  * Tests for the {@link StandardGradientPaintTransformer} class.
61  */
62 public class StandardGradientPaintTransformerTests 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(StandardGradientPaintTransformerTests.class);
71     }
72
73     /**
74      * Constructs a new set of tests.
75      *
76      * @param name the name of the tests.
77      */
78     public StandardGradientPaintTransformerTests(final String JavaDoc name) {
79         super(name);
80     }
81
82     /**
83      * Test that the equals() method distinguishes all fields.
84      */
85     public void testEquals() {
86         StandardGradientPaintTransformer t1 = new StandardGradientPaintTransformer();
87         StandardGradientPaintTransformer t2 = new StandardGradientPaintTransformer();
88         assertTrue(t1.equals(t2));
89         assertTrue(t2.equals(t1));
90         
91         t1 = new StandardGradientPaintTransformer(GradientPaintTransformType.CENTER_VERTICAL);
92         assertFalse(t1.equals(t2));
93         t2 = new StandardGradientPaintTransformer(GradientPaintTransformType.CENTER_VERTICAL);
94         assertTrue(t1.equals(t2));
95     }
96     
97     /**
98      * Serialize an instance, restore it, and check for identity.
99      */
100     public void testSerialization() {
101
102         final StandardGradientPaintTransformer t1 = new StandardGradientPaintTransformer();
103         StandardGradientPaintTransformer t2 = null;
104
105         try {
106             final ByteArrayOutputStream JavaDoc buffer = new ByteArrayOutputStream JavaDoc();
107             final ObjectOutput JavaDoc out = new ObjectOutputStream JavaDoc(buffer);
108             out.writeObject(t1);
109             out.close();
110
111             final ObjectInput JavaDoc in = new ObjectInputStream JavaDoc(new ByteArrayInputStream JavaDoc(buffer.toByteArray()));
112             t2 = (StandardGradientPaintTransformer) in.readObject();
113             in.close();
114         }
115         catch (Exception JavaDoc e) {
116             System.out.println(e.toString());
117         }
118         assertTrue(t1.equals(t2));
119
120     }
121
122 }
123
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