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: * KeyedObjectsTests.java
029: * ----------------------
030: * (C) Copyright 2004, 2005, by Object Refinery Limited.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: KeyedObjectsTests.java,v 1.1.2.1 2006/10/03 15:41:42 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 27-Jan-2004 : 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.KeyedObjects;
057:
058: /**
059: * Tests for the {@link KeyedObjects} class.
060: */
061: public class KeyedObjectsTests 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(KeyedObjectsTests.class);
070: }
071:
072: /**
073: * Constructs a new set of tests.
074: *
075: * @param name the name of the tests.
076: */
077: public KeyedObjectsTests(String name) {
078: super (name);
079: }
080:
081: /**
082: * Common test setup.
083: */
084: protected void setUp() {
085: // no setup required
086: }
087:
088: /**
089: * Confirm that cloning works.
090: */
091: public void testCloning() {
092: KeyedObjects ko1 = new KeyedObjects();
093: ko1.addObject("V1", new Integer(1));
094: ko1.addObject("V2", null);
095: ko1.addObject("V3", new Integer(3));
096: KeyedObjects ko2 = null;
097: try {
098: ko2 = (KeyedObjects) ko1.clone();
099: } catch (CloneNotSupportedException e) {
100: System.err.println("Failed to clone.");
101: }
102: assertTrue(ko1 != ko2);
103: assertTrue(ko1.getClass() == ko2.getClass());
104: assertTrue(ko1.equals(ko2));
105: }
106:
107: /**
108: * Check that inserting and retrieving values works as expected.
109: */
110: public void testInsertAndRetrieve() {
111:
112: KeyedObjects data = new KeyedObjects();
113: data.addObject("A", new Double(1.0));
114: data.addObject("B", new Double(2.0));
115: data.addObject("C", new Double(3.0));
116: data.addObject("D", null);
117:
118: // check key order
119: assertEquals(data.getKey(0), "A");
120: assertEquals(data.getKey(1), "B");
121: assertEquals(data.getKey(2), "C");
122: assertEquals(data.getKey(3), "D");
123:
124: // check retrieve value by key
125: assertEquals(data.getObject("A"), new Double(1.0));
126: assertEquals(data.getObject("B"), new Double(2.0));
127: assertEquals(data.getObject("C"), new Double(3.0));
128: assertEquals(data.getObject("D"), null);
129: assertEquals(data.getObject("Not a key"), null);
130:
131: // check retrieve value by index
132: assertEquals(data.getObject(0), new Double(1.0));
133: assertEquals(data.getObject(1), new Double(2.0));
134: assertEquals(data.getObject(2), new Double(3.0));
135: assertEquals(data.getObject(3), null);
136:
137: }
138:
139: /**
140: * Serialize an instance, restore it, and check for equality.
141: */
142: public void testSerialization() {
143:
144: KeyedObjects ko1 = new KeyedObjects();
145: ko1.addObject("Key 1", "Object 1");
146: ko1.addObject("Key 2", null);
147: ko1.addObject("Key 3", "Object 2");
148:
149: KeyedObjects ko2 = null;
150:
151: try {
152: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
153: ObjectOutput out = new ObjectOutputStream(buffer);
154: out.writeObject(ko1);
155: out.close();
156:
157: ObjectInput in = new ObjectInputStream(
158: new ByteArrayInputStream(buffer.toByteArray()));
159: ko2 = (KeyedObjects) in.readObject();
160: in.close();
161: } catch (Exception e) {
162: System.out.println(e.toString());
163: }
164: assertEquals(ko1, ko2);
165:
166: }
167:
168: }
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