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: * XYIntervalTests.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: XYIntervalTests.java,v 1.1.2.2 2006/10/21 05:11:04 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 20-Oct-2006 : Version 1 (DG);
040: *
041: */
042:
043: package org.jfree.data.xy.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.data.xy.XYInterval;
057:
058: /**
059: * Tests for the {@link XYInterval} class.
060: */
061: public class XYIntervalTests 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(XYIntervalTests.class);
070: }
071:
072: /**
073: * Constructs a new set of tests.
074: *
075: * @param name the name of the tests.
076: */
077: public XYIntervalTests(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: XYInterval i1 = new XYInterval(1.0, 2.0, 3.0, 2.5, 3.5);
086: XYInterval i2 = new XYInterval(1.0, 2.0, 3.0, 2.5, 3.5);
087: assertEquals(i1, i2);
088:
089: i1 = new XYInterval(1.1, 2.0, 3.0, 2.5, 3.5);
090: assertFalse(i1.equals(i2));
091: i2 = new XYInterval(1.1, 2.0, 3.0, 2.5, 3.5);
092: assertTrue(i1.equals(i2));
093:
094: i1 = new XYInterval(1.1, 2.2, 3.0, 2.5, 3.5);
095: assertFalse(i1.equals(i2));
096: i2 = new XYInterval(1.1, 2.2, 3.0, 2.5, 3.5);
097: assertTrue(i1.equals(i2));
098:
099: i1 = new XYInterval(1.1, 2.2, 3.3, 2.5, 3.5);
100: assertFalse(i1.equals(i2));
101: i2 = new XYInterval(1.1, 2.2, 3.3, 2.5, 3.5);
102: assertTrue(i1.equals(i2));
103:
104: i1 = new XYInterval(1.1, 2.2, 3.3, 2.6, 3.5);
105: assertFalse(i1.equals(i2));
106: i2 = new XYInterval(1.1, 2.2, 3.3, 2.6, 3.5);
107: assertTrue(i1.equals(i2));
108:
109: i1 = new XYInterval(1.1, 2.2, 3.3, 2.6, 3.6);
110: assertFalse(i1.equals(i2));
111: i2 = new XYInterval(1.1, 2.2, 3.3, 2.6, 3.6);
112: assertTrue(i1.equals(i2));
113: }
114:
115: /**
116: * This class is immutable.
117: */
118: public void testCloning() {
119: XYInterval i1 = new XYInterval(1.0, 2.0, 3.0, 2.5, 3.5);
120: assertFalse(i1 instanceof Cloneable);
121: }
122:
123: /**
124: * Serialize an instance, restore it, and check for equality.
125: */
126: public void testSerialization() {
127: XYInterval i1 = new XYInterval(1.0, 2.0, 3.0, 2.5, 3.5);
128: XYInterval i2 = null;
129:
130: try {
131: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
132: ObjectOutput out = new ObjectOutputStream(buffer);
133: out.writeObject(i1);
134: out.close();
135:
136: ObjectInput in = new ObjectInputStream(
137: new ByteArrayInputStream(buffer.toByteArray()));
138: i2 = (XYInterval) in.readObject();
139: in.close();
140: } catch (Exception e) {
141: e.printStackTrace();
142: }
143: assertEquals(i1, i2);
144: }
145:
146: }
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