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: * TimeSeriesDataItemTests.java
029: * ----------------------------
030: * (C) Copyright 2003-2005, by Object Refinery Limited.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: TimeSeriesDataItemTests.java,v 1.1.2.1 2006/10/03 15:41:39 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 13-Mar-2003 : Version 1 (DG);
040: *
041: */
042:
043: package org.jfree.data.time.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.time.Day;
057: import org.jfree.data.time.TimeSeriesDataItem;
058:
059: /**
060: * Tests for the {@link TimeSeriesDataItem} class.
061: */
062: public class TimeSeriesDataItemTests extends TestCase {
063:
064: /**
065: * Returns the tests as a test suite.
066: *
067: * @return The test suite.
068: */
069: public static Test suite() {
070: return new TestSuite(TimeSeriesDataItemTests.class);
071: }
072:
073: /**
074: * Constructs a new set of tests.
075: *
076: * @param name the name of the tests.
077: */
078: public TimeSeriesDataItemTests(String name) {
079: super (name);
080: }
081:
082: /**
083: * Common test setup.
084: */
085: protected void setUp() {
086: // no setup
087: }
088:
089: /**
090: * Test that an instance is equal to itself.
091: *
092: * SourceForge Bug ID: 558850.
093: */
094: public void testEqualsSelf() {
095: TimeSeriesDataItem item = new TimeSeriesDataItem(new Day(23, 9,
096: 2001), 99.7);
097: assertTrue(item.equals(item));
098: }
099:
100: /**
101: * Test the equals() method.
102: */
103: public void testEquals() {
104: TimeSeriesDataItem item1 = new TimeSeriesDataItem(new Day(23,
105: 9, 2001), 99.7);
106: TimeSeriesDataItem item2 = new TimeSeriesDataItem(new Day(23,
107: 9, 2001), 99.7);
108: assertTrue(item1.equals(item2));
109: assertTrue(item2.equals(item1));
110:
111: item1.setValue(new Integer(5));
112: assertFalse(item1.equals(item2));
113: item2.setValue(new Integer(5));
114: assertTrue(item1.equals(item2));
115: }
116:
117: /**
118: * Serialize an instance, restore it, and check for equality.
119: */
120: public void testSerialization() {
121:
122: TimeSeriesDataItem item1 = new TimeSeriesDataItem(new Day(23,
123: 9, 2001), 99.7);
124: TimeSeriesDataItem item2 = null;
125:
126: try {
127: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
128: ObjectOutput out = new ObjectOutputStream(buffer);
129: out.writeObject(item1);
130: out.close();
131:
132: ObjectInput in = new ObjectInputStream(
133: new ByteArrayInputStream(buffer.toByteArray()));
134: item2 = (TimeSeriesDataItem) in.readObject();
135: in.close();
136: } catch (Exception e) {
137: System.out.println(e.toString());
138: }
139: assertEquals(item1, item2);
140:
141: }
142:
143: }
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