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: * RangeTypeTests.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: RangeTypeTests.java,v 1.1.2.1 2006/10/03 15:41:43 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 19-May-2005 : Version 1 (DG);
040: *
041: */
042:
043: package org.jfree.data.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.RangeType;
057:
058: /**
059: * Tests for the {@link RangeType} class.
060: */
061: public class RangeTypeTests extends TestCase {
062:
063: /**
064: * Returns the tests as a test suite.
065: *
066: * @return The test suite.
067: */
068: public static Test suite() {
069: return new TestSuite(RangeTypeTests.class);
070: }
071:
072: /**
073: * Constructs a new set of tests.
074: *
075: * @param name the name of the tests.
076: */
077: public RangeTypeTests(String name) {
078: super (name);
079: }
080:
081: /**
082: * Some checks for the equals() method.
083: */
084: public void testEquals() {
085: assertEquals(RangeType.FULL, RangeType.FULL);
086: assertEquals(RangeType.NEGATIVE, RangeType.NEGATIVE);
087: assertEquals(RangeType.POSITIVE, RangeType.POSITIVE);
088: assertFalse(RangeType.FULL.equals(RangeType.NEGATIVE));
089: assertFalse(RangeType.FULL.equals(RangeType.POSITIVE));
090: assertFalse(RangeType.FULL.equals(null));
091: assertFalse(RangeType.NEGATIVE.equals(RangeType.FULL));
092: assertFalse(RangeType.NEGATIVE.equals(RangeType.POSITIVE));
093: assertFalse(RangeType.NEGATIVE.equals(null));
094: assertFalse(RangeType.POSITIVE.equals(RangeType.NEGATIVE));
095: assertFalse(RangeType.POSITIVE.equals(RangeType.FULL));
096: assertFalse(RangeType.POSITIVE.equals(null));
097: }
098:
099: /**
100: * Two objects that are equal are required to return the same hashCode.
101: */
102: public void testHashCode() {
103: RangeType r1 = RangeType.FULL;
104: RangeType r2 = RangeType.FULL;
105: assertTrue(r1.equals(r2));
106: int h1 = r1.hashCode();
107: int h2 = r2.hashCode();
108: assertEquals(h1, h2);
109: }
110:
111: /**
112: * Serialize an instance, restore it, and check for equality.
113: */
114: public void testSerialization() {
115: RangeType r1 = RangeType.FULL;
116: RangeType r2 = null;
117: try {
118: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
119: ObjectOutput out = new ObjectOutputStream(buffer);
120: out.writeObject(r1);
121: out.close();
122:
123: ObjectInput in = new ObjectInputStream(
124: new ByteArrayInputStream(buffer.toByteArray()));
125: r2 = (RangeType) in.readObject();
126: in.close();
127: } catch (Exception e) {
128: System.out.println(e.toString());
129: }
130: assertEquals(r1, r2);
131: boolean same = r1 == r2;
132: assertEquals(true, same);
133: }
134:
135: }
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