001: /* ===========================================================
002: * JFreeChart : a free chart library for the Java(tm) platform
003: * ===========================================================
004: *
005: * (C) Copyright 2000-2006, by Object Refinery Limited and Contributors.
006: *
007: * Project Info: http://www.jfree.org/jfreechart/index.html
008: *
009: * This library is free software; you can redistribute it and/or modify it
010: * under the terms of the GNU Lesser General Public License as published by
011: * the Free Software Foundation; either version 2.1 of the License, or
012: * (at your option) any later version.
013: *
014: * This library is distributed in the hope that it will be useful, but
015: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
016: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
017: * License for more details.
018: *
019: * You should have received a copy of the GNU Lesser General Public
020: * License along with this library; if not, write to the Free Software
021: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
022: * USA.
023: *
024: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
025: * in the United States and other countries.]
026: *
027: * ----------------------------
028: * DialTextAnnotationTests.java
029: * ----------------------------
030: * (C) Copyright 2006, by Object Refinery Limited and Contributors.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: DialTextAnnotationTests.java,v 1.1.2.2 2006/11/06 16:31:01 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 03-Nov-2006 : Version 1 (DG);
040: *
041: */
042:
043: package org.jfree.experimental.chart.plot.dial.junit;
044:
045: import java.awt.Color;
046: import java.awt.GradientPaint;
047: import java.io.ByteArrayInputStream;
048: import java.io.ByteArrayOutputStream;
049: import java.io.ObjectInput;
050: import java.io.ObjectInputStream;
051: import java.io.ObjectOutput;
052: import java.io.ObjectOutputStream;
053:
054: import junit.framework.Test;
055: import junit.framework.TestCase;
056: import junit.framework.TestSuite;
057:
058: import org.jfree.experimental.chart.plot.dial.DialTextAnnotation;
059:
060: /**
061: * Tests for the {@link DialTextAnnotation} class.
062: */
063: public class DialTextAnnotationTests extends TestCase {
064:
065: /**
066: * Returns the tests as a test suite.
067: *
068: * @return The test suite.
069: */
070: public static Test suite() {
071: return new TestSuite(DialTextAnnotationTests.class);
072: }
073:
074: /**
075: * Constructs a new set of tests.
076: *
077: * @param name the name of the tests.
078: */
079: public DialTextAnnotationTests(String name) {
080: super (name);
081: }
082:
083: /**
084: * Confirm that the equals method can distinguish all the required fields.
085: */
086: public void testEquals() {
087: DialTextAnnotation a1 = new DialTextAnnotation("A1");
088: DialTextAnnotation a2 = new DialTextAnnotation("A1");
089: assertTrue(a1.equals(a2));
090:
091: }
092:
093: /**
094: * Two objects that are equal are required to return the same hashCode.
095: */
096: public void testHashCode() {
097: DialTextAnnotation a1 = new DialTextAnnotation("A1");
098: DialTextAnnotation a2 = new DialTextAnnotation("A1");
099: assertTrue(a1.equals(a2));
100: int h1 = a1.hashCode();
101: int h2 = a2.hashCode();
102: assertEquals(h1, h2);
103: }
104:
105: /**
106: * Confirm that cloning works.
107: */
108: public void testCloning() {
109: // test a default instance
110: DialTextAnnotation a1 = new DialTextAnnotation("A1");
111: DialTextAnnotation a2 = null;
112: try {
113: a2 = (DialTextAnnotation) a1.clone();
114: } catch (CloneNotSupportedException e) {
115: e.printStackTrace();
116: }
117: assertTrue(a1 != a2);
118: assertTrue(a1.getClass() == a2.getClass());
119: assertTrue(a1.equals(a2));
120:
121: // test a customised instance
122:
123: }
124:
125: /**
126: * Serialize an instance, restore it, and check for equality.
127: */
128: public void testSerialization() {
129: // test a default instance
130: DialTextAnnotation a1 = new DialTextAnnotation("A1");
131: DialTextAnnotation a2 = null;
132:
133: try {
134: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
135: ObjectOutput out = new ObjectOutputStream(buffer);
136: out.writeObject(a1);
137: out.close();
138:
139: ObjectInput in = new ObjectInputStream(
140: new ByteArrayInputStream(buffer.toByteArray()));
141: a2 = (DialTextAnnotation) in.readObject();
142: in.close();
143: } catch (Exception e) {
144: e.printStackTrace();
145: }
146: assertEquals(a1, a2);
147:
148: // test a custom instance
149: a1 = new DialTextAnnotation("A1");
150: a1.setPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f,
151: 4.0f, Color.blue));
152: a2 = null;
153:
154: try {
155: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
156: ObjectOutput out = new ObjectOutputStream(buffer);
157: out.writeObject(a1);
158: out.close();
159:
160: ObjectInput in = new ObjectInputStream(
161: new ByteArrayInputStream(buffer.toByteArray()));
162: a2 = (DialTextAnnotation) in.readObject();
163: in.close();
164: } catch (Exception e) {
165: e.printStackTrace();
166: }
167: assertEquals(a1, a2);
168:
169: }
170:
171: }
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