001: /* ===========================================================
002: * JFreeChart : a free chart library for the Java(tm) platform
003: * ===========================================================
004: *
005: * (C) Copyright 2000-2007, 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: * DialPointerTests.java
029: * ---------------------
030: * (C) Copyright 2007, by Object Refinery Limited and Contributors.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: DialPointerTests.java,v 1.1.2.1 2007/04/30 21:34:50 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 30-Apr-2007 : Version 1 (DG);
040: *
041: */
042:
043: package org.jfree.experimental.chart.plot.dial.junit;
044:
045: import java.io.ByteArrayInputStream;
046: import java.io.ByteArrayOutputStream;
047: import java.io.ObjectInput;
048: import java.io.ObjectInputStream;
049: import java.io.ObjectOutput;
050: import java.io.ObjectOutputStream;
051:
052: import junit.framework.Test;
053: import junit.framework.TestCase;
054: import junit.framework.TestSuite;
055:
056: import org.jfree.experimental.chart.plot.dial.DialPointer;
057:
058: /**
059: * Tests for the {@link DialPointer} class.
060: */
061: public class DialPointerTests extends TestCase {
062:
063: /**
064: * Returns the tests as a test suite.
065: *
066: * @return The test suite.
067: */
068: public static Test suite() {
069: return new TestSuite(DialPointerTests.class);
070: }
071:
072: /**
073: * Constructs a new set of tests.
074: *
075: * @param name the name of the tests.
076: */
077: public DialPointerTests(String name) {
078: super (name);
079: }
080:
081: /**
082: * Confirm that the equals method can distinguish all the required fields.
083: */
084: public void testEquals() {
085: DialPointer i1 = new DialPointer.Pin(1);
086: DialPointer i2 = new DialPointer.Pin(1);
087: assertTrue(i1.equals(i2));
088:
089: // dataset index
090: i1 = new DialPointer.Pin(2);
091: assertFalse(i1.equals(i2));
092: i2 = new DialPointer.Pin(2);
093: assertTrue(i1.equals(i2));
094: }
095:
096: /**
097: * Two objects that are equal are required to return the same hashCode.
098: */
099: public void testHashCode() {
100: DialPointer i1 = new DialPointer.Pin(1);
101: DialPointer i2 = new DialPointer.Pin(1);
102: assertTrue(i1.equals(i2));
103: int h1 = i1.hashCode();
104: int h2 = i2.hashCode();
105: assertEquals(h1, h2);
106: }
107:
108: /**
109: * Confirm that cloning works.
110: */
111: public void testCloning() {
112: DialPointer i1 = new DialPointer.Pin(1);
113: DialPointer i2 = null;
114: try {
115: i2 = (DialPointer) i1.clone();
116: } catch (CloneNotSupportedException e) {
117: e.printStackTrace();
118: }
119: assertTrue(i1 != i2);
120: assertTrue(i1.getClass() == i2.getClass());
121: assertTrue(i1.equals(i2));
122:
123: // test a customised instance
124: }
125:
126: /**
127: * Serialize an instance, restore it, and check for equality.
128: */
129: public void testSerialization() {
130: // test a default instance
131: DialPointer i1 = new DialPointer.Pin(1);
132: DialPointer i2 = null;
133:
134: try {
135: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
136: ObjectOutput out = new ObjectOutputStream(buffer);
137: out.writeObject(i1);
138: out.close();
139:
140: ObjectInput in = new ObjectInputStream(
141: new ByteArrayInputStream(buffer.toByteArray()));
142: i2 = (DialPointer) in.readObject();
143: in.close();
144: } catch (Exception e) {
145: e.printStackTrace();
146: }
147: assertEquals(i1, i2);
148:
149: // test a custom instance
150: }
151:
152: }
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