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: * HighLowItemLabelGeneratorTests.java
029: * -----------------------------------
030: * (C) Copyright 2003, 2004, by Object Refinery Limited and Contributors.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: HighLowItemLabelGeneratorTests.java,v 1.1.2.1 2006/10/03 15:41:37 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 18-Mar-2003 : Version 1 (DG);
040: *
041: */
042:
043: package org.jfree.chart.labels.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.text.DecimalFormat;
052: import java.text.NumberFormat;
053: import java.text.SimpleDateFormat;
054:
055: import junit.framework.Test;
056: import junit.framework.TestCase;
057: import junit.framework.TestSuite;
058:
059: import org.jfree.chart.labels.HighLowItemLabelGenerator;
060:
061: /**
062: * Tests for the {@link HighLowItemLabelGenerator} class.
063: */
064: public class HighLowItemLabelGeneratorTests extends TestCase {
065:
066: /**
067: * Returns the tests as a test suite.
068: *
069: * @return The test suite.
070: */
071: public static Test suite() {
072: return new TestSuite(HighLowItemLabelGeneratorTests.class);
073: }
074:
075: /**
076: * Constructs a new set of tests.
077: *
078: * @param name the name of the tests.
079: */
080: public HighLowItemLabelGeneratorTests(String name) {
081: super (name);
082: }
083:
084: /**
085: * Tests that the equals method can distinguish all fields.
086: */
087: public void testEquals() {
088: HighLowItemLabelGenerator g1 = new HighLowItemLabelGenerator();
089: HighLowItemLabelGenerator g2 = new HighLowItemLabelGenerator();
090: assertTrue(g1.equals(g2));
091: assertTrue(g2.equals(g1));
092:
093: g1 = new HighLowItemLabelGenerator(new SimpleDateFormat(
094: "d-MMM-yyyy"), NumberFormat.getInstance());
095: assertFalse(g1.equals(g2));
096: g2 = new HighLowItemLabelGenerator(new SimpleDateFormat(
097: "d-MMM-yyyy"), NumberFormat.getInstance());
098: assertTrue(g1.equals(g2));
099:
100: g1 = new HighLowItemLabelGenerator(new SimpleDateFormat(
101: "d-MMM-yyyy"), new DecimalFormat("0.000"));
102: assertFalse(g1.equals(g2));
103: g2 = new HighLowItemLabelGenerator(new SimpleDateFormat(
104: "d-MMM-yyyy"), new DecimalFormat("0.000"));
105: assertTrue(g1.equals(g2));
106:
107: }
108:
109: /**
110: * Confirm that cloning works.
111: */
112: public void testCloning() {
113: HighLowItemLabelGenerator g1 = new HighLowItemLabelGenerator();
114: HighLowItemLabelGenerator g2 = null;
115: try {
116: g2 = (HighLowItemLabelGenerator) g1.clone();
117: } catch (CloneNotSupportedException e) {
118: System.err.println("Failed to clone.");
119: }
120: assertTrue(g1 != g2);
121: assertTrue(g1.getClass() == g2.getClass());
122: assertTrue(g1.equals(g2));
123: }
124:
125: /**
126: * Serialize an instance, restore it, and check for equality.
127: */
128: public void testSerialization() {
129:
130: HighLowItemLabelGenerator g1 = new HighLowItemLabelGenerator();
131: HighLowItemLabelGenerator g2 = null;
132:
133: try {
134: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
135: ObjectOutput out = new ObjectOutputStream(buffer);
136: out.writeObject(g1);
137: out.close();
138:
139: ObjectInput in = new ObjectInputStream(
140: new ByteArrayInputStream(buffer.toByteArray()));
141: g2 = (HighLowItemLabelGenerator) in.readObject();
142: in.close();
143: } catch (Exception e) {
144: System.out.println(e.toString());
145: }
146: assertEquals(g1, g2);
147:
148: }
149:
150: }
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