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: * DateRangeTests.java
029: * -------------------
030: * (C) Copyright 2004, 2005, by Object Refinery Limited and Contributors.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: DateRangeTests.java,v 1.1.2.1 2006/10/03 15:41:39 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 23-Mar-2004 : Version 1 (DG);
040: * 11-Jan-2005 : Added test to ensure Cloneable is not implemented (DG);
041: *
042: */
043:
044: package org.jfree.data.time.junit;
045:
046: import java.io.ByteArrayInputStream;
047: import java.io.ByteArrayOutputStream;
048: import java.io.ObjectInput;
049: import java.io.ObjectInputStream;
050: import java.io.ObjectOutput;
051: import java.io.ObjectOutputStream;
052: import java.util.Date;
053:
054: import junit.framework.Test;
055: import junit.framework.TestCase;
056: import junit.framework.TestSuite;
057:
058: import org.jfree.data.time.DateRange;
059:
060: /**
061: * Some tests for the {@link DateRange} class.
062: */
063: public class DateRangeTests extends TestCase {
064:
065: /**
066: * Returns the tests as a test suite.
067: *
068: * @return The test suite.
069: */
070: public static Test suite() {
071: return new TestSuite(DateRangeTests.class);
072: }
073:
074: /**
075: * Constructs a new set of tests.
076: *
077: * @param name the name of the tests.
078: */
079: public DateRangeTests(String name) {
080: super (name);
081: }
082:
083: /**
084: * Confirm that the equals method can distinguish all the required fields.
085: */
086: public void testEquals() {
087: DateRange r1 = new DateRange(new Date(1000L), new Date(2000L));
088: DateRange r2 = new DateRange(new Date(1000L), new Date(2000L));
089: assertTrue(r1.equals(r2));
090: assertTrue(r2.equals(r1));
091:
092: r1 = new DateRange(new Date(1111L), new Date(2000L));
093: assertFalse(r1.equals(r2));
094: r2 = new DateRange(new Date(1111L), new Date(2000L));
095: assertTrue(r1.equals(r2));
096:
097: r1 = new DateRange(new Date(1111L), new Date(2222L));
098: assertFalse(r1.equals(r2));
099: r2 = new DateRange(new Date(1111L), new Date(2222L));
100: assertTrue(r1.equals(r2));
101: }
102:
103: /**
104: * Serialize an instance, restore it, and check for equality.
105: */
106: public void testSerialization() {
107: DateRange r1 = new DateRange(new Date(1000L), new Date(2000L));
108: DateRange r2 = null;
109:
110: try {
111: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
112: ObjectOutput out = new ObjectOutputStream(buffer);
113: out.writeObject(r1);
114: out.close();
115:
116: ObjectInput in = new ObjectInputStream(
117: new ByteArrayInputStream(buffer.toByteArray()));
118: r2 = (DateRange) in.readObject();
119: in.close();
120: } catch (Exception e) {
121: System.out.println(e.toString());
122: }
123: assertEquals(r1, r2);
124: }
125:
126: /**
127: * The {@link DateRange} class is immutable, so it doesn't need to
128: * be cloneable.
129: */
130: public void testClone() {
131: DateRange r1 = new DateRange(new Date(1000L), new Date(2000L));
132: assertFalse(r1 instanceof Cloneable);
133: }
134:
135: }
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