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: * MonthDateFormatTests.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: MonthDateFormatTests.java,v 1.1.2.1 2006/10/03 15:41:24 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 10-May-2005 : Version 1 (DG);
040: *
041: */
042:
043: package org.jfree.chart.axis.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.SimpleDateFormat;
052: import java.util.Locale;
053: import java.util.TimeZone;
054:
055: import junit.framework.Test;
056: import junit.framework.TestCase;
057: import junit.framework.TestSuite;
058:
059: import org.jfree.chart.axis.MonthDateFormat;
060:
061: /**
062: * Some tests for the {@link MonthDateFormat} class.
063: */
064: public class MonthDateFormatTests 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(MonthDateFormatTests.class);
073: }
074:
075: /**
076: * Constructs a new set of tests.
077: *
078: * @param name the name of the tests.
079: */
080: public MonthDateFormatTests(String name) {
081: super (name);
082: }
083:
084: /**
085: * Confirm that the equals method can distinguish all the required fields.
086: */
087: public void testEquals() {
088: MonthDateFormat mf1 = new MonthDateFormat();
089: MonthDateFormat mf2 = new MonthDateFormat();
090: assertTrue(mf1.equals(mf2));
091: assertTrue(mf2.equals(mf1));
092:
093: boolean[] showYear1 = new boolean[12];
094: showYear1[0] = true;
095: boolean[] showYear2 = new boolean[12];
096: showYear1[1] = true;
097:
098: // time zone
099: mf1 = new MonthDateFormat(TimeZone.getTimeZone("PST"),
100: Locale.US, 1, showYear1, new SimpleDateFormat("yy"));
101: assertFalse(mf1.equals(mf2));
102: mf2 = new MonthDateFormat(TimeZone.getTimeZone("PST"),
103: Locale.US, 1, showYear1, new SimpleDateFormat("yy"));
104: assertTrue(mf1.equals(mf2));
105:
106: // locale
107: mf1 = new MonthDateFormat(TimeZone.getTimeZone("PST"),
108: Locale.FRANCE, 1, showYear1, new SimpleDateFormat("yy"));
109: assertFalse(mf1.equals(mf2));
110: mf2 = new MonthDateFormat(TimeZone.getTimeZone("PST"),
111: Locale.FRANCE, 1, showYear1, new SimpleDateFormat("yy"));
112: assertTrue(mf1.equals(mf2));
113:
114: // chars
115: mf1 = new MonthDateFormat(TimeZone.getTimeZone("PST"),
116: Locale.FRANCE, 2, showYear1, new SimpleDateFormat("yy"));
117: assertFalse(mf1.equals(mf2));
118: mf2 = new MonthDateFormat(TimeZone.getTimeZone("PST"),
119: Locale.FRANCE, 2, showYear1, new SimpleDateFormat("yy"));
120: assertTrue(mf1.equals(mf2));
121:
122: // showYear[]
123: mf1 = new MonthDateFormat(TimeZone.getTimeZone("PST"),
124: Locale.FRANCE, 2, showYear2, new SimpleDateFormat("yy"));
125: assertFalse(mf1.equals(mf2));
126: mf2 = new MonthDateFormat(TimeZone.getTimeZone("PST"),
127: Locale.FRANCE, 2, showYear2, new SimpleDateFormat("yy"));
128: assertTrue(mf1.equals(mf2));
129:
130: // yearFormatter
131: mf1 = new MonthDateFormat(TimeZone.getTimeZone("PST"),
132: Locale.FRANCE, 2, showYear2, new SimpleDateFormat(
133: "yyyy"));
134: assertFalse(mf1.equals(mf2));
135: mf2 = new MonthDateFormat(TimeZone.getTimeZone("PST"),
136: Locale.FRANCE, 2, showYear2, new SimpleDateFormat(
137: "yyyy"));
138: assertTrue(mf1.equals(mf2));
139:
140: }
141:
142: /**
143: * Two objects that are equal are required to return the same hashCode.
144: */
145: public void testHashCode() {
146: MonthDateFormat mf1 = new MonthDateFormat();
147: MonthDateFormat mf2 = new MonthDateFormat();
148: assertTrue(mf1.equals(mf2));
149: int h1 = mf1.hashCode();
150: int h2 = mf2.hashCode();
151: assertEquals(h1, h2);
152: }
153:
154: /**
155: * Confirm that cloning works.
156: */
157: public void testCloning() {
158: MonthDateFormat mf1 = new MonthDateFormat();
159: MonthDateFormat mf2 = null;
160: mf2 = (MonthDateFormat) mf1.clone();
161: assertTrue(mf1 != mf2);
162: assertTrue(mf1.getClass() == mf2.getClass());
163: assertTrue(mf1.equals(mf2));
164: }
165:
166: /**
167: * Serialize an instance, restore it, and check for equality.
168: */
169: public void testSerialization() {
170: MonthDateFormat mf1 = new MonthDateFormat();
171: MonthDateFormat mf2 = null;
172: try {
173: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
174: ObjectOutput out = new ObjectOutputStream(buffer);
175: out.writeObject(mf1);
176: out.close();
177:
178: ObjectInput in = new ObjectInputStream(
179: new ByteArrayInputStream(buffer.toByteArray()));
180: mf2 = (MonthDateFormat) in.readObject();
181: in.close();
182: } catch (Exception e) {
183: fail(e.toString());
184: }
185: assertTrue(mf1.equals(mf2));
186: }
187:
188: }
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