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: * OHLCDataItemTests.java
029: * ----------------------
030: * (C) Copyright 2005, by Object Refinery Limited and Contributors.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: OHLCDataItemTests.java,v 1.1.2.1 2006/10/03 15:41:38 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 29-Apr-2005 : 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: import java.util.Date;
052:
053: import junit.framework.Test;
054: import junit.framework.TestCase;
055: import junit.framework.TestSuite;
056:
057: import org.jfree.data.xy.OHLCDataItem;
058:
059: /**
060: * Tests for the {@link OHLCDataItem} class.
061: */
062: public class OHLCDataItemTests 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(OHLCDataItemTests.class);
071: }
072:
073: /**
074: * Constructs a new set of tests.
075: *
076: * @param name the name of the tests.
077: */
078: public OHLCDataItemTests(String name) {
079: super (name);
080: }
081:
082: /**
083: * Confirm that the equals method can distinguish all the required fields.
084: */
085: public void testEquals() {
086: OHLCDataItem i1 = new OHLCDataItem(new Date(1L), 1.0, 2.0, 3.0,
087: 4.0, 5.0);
088: OHLCDataItem i2 = new OHLCDataItem(new Date(1L), 1.0, 2.0, 3.0,
089: 4.0, 5.0);
090: assertTrue(i1.equals(i2));
091: assertTrue(i2.equals(i1));
092: }
093:
094: /**
095: * Instances of this class are immutable - cloning not required.
096: */
097: public void testCloning() {
098: OHLCDataItem i1 = new OHLCDataItem(new Date(1L), 1.0, 2.0, 3.0,
099: 4.0, 5.0);
100: assertFalse(i1 instanceof Cloneable);
101: }
102:
103: /**
104: * Serialize an instance, restore it, and check for equality.
105: */
106: public void testSerialization() {
107: OHLCDataItem i1 = new OHLCDataItem(new Date(1L), 1.0, 2.0, 3.0,
108: 4.0, 5.0);
109: OHLCDataItem i2 = null;
110:
111: try {
112: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
113: ObjectOutput out = new ObjectOutputStream(buffer);
114: out.writeObject(i1);
115: out.close();
116:
117: ObjectInput in = new ObjectInputStream(
118: new ByteArrayInputStream(buffer.toByteArray()));
119: i2 = (OHLCDataItem) in.readObject();
120: in.close();
121: } catch (Exception e) {
122: e.printStackTrace();
123: }
124: assertEquals(i1, i2);
125: }
126:
127: }
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