001: /* ===========================================================
002: * JFreeChart : a free chart library for the Java(tm) platform
003: * ===========================================================
004: *
005: * (C) Copyright 2000-2005, 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: * XYDataItemTests.java
029: * --------------------
030: * (C) Copyright 2003-2005, by Object Refinery Limited and Contributors.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: XYDataItemTests.java,v 1.1.2.1 2006/10/03 15:41:38 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 23-Dec-2003 : 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.XYDataItem;
057:
058: /**
059: * Tests for the {@link XYDataItem} class.
060: */
061: public class XYDataItemTests 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(XYDataItemTests.class);
070: }
071:
072: /**
073: * Constructs a new set of tests.
074: *
075: * @param name the name of the tests.
076: */
077: public XYDataItemTests(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:
086: XYDataItem i1 = new XYDataItem(1.0, 1.1);
087: XYDataItem i2 = new XYDataItem(1.0, 1.1);
088: assertTrue(i1.equals(i2));
089: assertTrue(i2.equals(i1));
090:
091: i1.setY(new Double(9.9));
092: assertFalse(i1.equals(i2));
093:
094: i2.setY(new Double(9.9));
095: assertTrue(i1.equals(i2));
096:
097: }
098:
099: /**
100: * Confirm that cloning works.
101: */
102: public void testCloning() {
103: XYDataItem i1 = new XYDataItem(1.0, 1.1);
104: XYDataItem i2 = null;
105: try {
106: i2 = (XYDataItem) i1.clone();
107: } catch (CloneNotSupportedException e) {
108: System.err
109: .println("XYDataItemTests.testCloning: failed to clone.");
110: }
111: assertTrue(i1 != i2);
112: assertTrue(i1.getClass() == i2.getClass());
113: assertTrue(i1.equals(i2));
114: }
115:
116: /**
117: * Serialize an instance, restore it, and check for equality.
118: */
119: public void testSerialization() {
120:
121: XYDataItem i1 = new XYDataItem(1.0, 1.1);
122: XYDataItem i2 = null;
123:
124: try {
125: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
126: ObjectOutput out = new ObjectOutputStream(buffer);
127: out.writeObject(i1);
128: out.close();
129:
130: ObjectInput in = new ObjectInputStream(
131: new ByteArrayInputStream(buffer.toByteArray()));
132: i2 = (XYDataItem) in.readObject();
133: in.close();
134: } catch (Exception e) {
135: System.out.println(e.toString());
136: }
137: assertEquals(i1, i2);
138:
139: }
140:
141: }
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