TaskSeriesTests


1   /* ===========================================================
2    * JFreeChart : a free chart library for the Java(tm) platform
3    * ===========================================================
4    *
5    * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
6    *
7    * Project Info:  http://www.jfree.org/jfreechart/index.html
8    *
9    * This library is free software; you can redistribute it and/or modify it 
10   * under the terms of the GNU Lesser General Public License as published by 
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16   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
17   * License for more details.
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20   * License along with this library; if not, write to the Free Software
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24   * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
25   * in the United States and other countries.]
26   *
27   * --------------------
28   * TaskSeriesTests.java
29   * --------------------
30   * (C) Copyright 2004 by Object Refinery Limited.
31   *
32   * Original Author:  David Gilbert (for Object Refinery Limited);
33   * Contributor(s):   -;
34   *
35   * $Id: TaskSeriesTests.java,v 1.1.2.1 2006/10/03 15:41:38 mungady Exp $
36   *
37   * Changes
38   * -------
39   * 30-Jul-2004 : Version 1 (DG);
40   *
41   */
42  
43  package org.jfree.data.gantt.junit;
44  
45  import java.io.ByteArrayInputStream  ;
46  import java.io.ByteArrayOutputStream  ;
47  import java.io.ObjectInput  ;
48  import java.io.ObjectInputStream  ;
49  import java.io.ObjectOutput  ;
50  import java.io.ObjectOutputStream  ;
51  import java.util.Date  ;
52  
53  import junit.framework.Test;
54  import junit.framework.TestCase;
55  import junit.framework.TestSuite;
56  
57  import org.jfree.data.gantt.Task;
58  import org.jfree.data.gantt.TaskSeries;
59  
60  /**
61   * Tests for the {@link TaskSeries} class.
62   */
63  public class TaskSeriesTests extends TestCase {
64  
65      /**
66       * Returns the tests as a test suite.
67       *
68       * @return The test suite.
69       */
70      public static Test suite() {
71          return new TestSuite(TaskSeriesTests.class);
72      }
73  
74      /**
75       * Constructs a new set of tests.
76       *
77       * @param name  the name of the tests.
78       */
79      public TaskSeriesTests(String   name) {
80          super(name);
81      }
82  
83      /**
84       * Confirm that the equals method can distinguish all the required fields.
85       */
86      public void testEquals() {
87          
88          TaskSeries s1 = new TaskSeries("S");
89          s1.add(new Task("T1", new Date  (1), new Date  (2)));
90          s1.add(new Task("T2", new Date  (11), new Date  (22)));
91          TaskSeries s2 = new TaskSeries("S");
92          s2.add(new Task("T1", new Date  (1), new Date  (2)));
93          s2.add(new Task("T2", new Date  (11), new Date  (22)));
94          assertTrue(s1.equals(s2));
95          assertTrue(s2.equals(s1));
96  
97          s1.add(new Task("T3", new Date  (22), new Date  (33)));
98          assertFalse(s1.equals(s2));
99          s2.add(new Task("T3", new Date  (22), new Date  (33)));
100         assertTrue(s1.equals(s2));
101 
102     }
103 
104     /**
105      * Confirm that cloning works.
106      */
107     public void testCloning() {
108         TaskSeries s1 = new TaskSeries("S");
109         s1.add(new Task("T1", new Date  (1), new Date  (2)));
110         s1.add(new Task("T2", new Date  (11), new Date  (22)));
111         TaskSeries s2 = null;
112         try {
113             s2 = (TaskSeries) s1.clone();
114         }
115         catch (CloneNotSupportedException   e) {
116             System.err.println("Failed to clone.");
117         }
118         assertTrue(s1 != s2);
119         assertTrue(s1.getClass() == s2.getClass());
120         assertTrue(s1.equals(s2));
121     }
122 
123     /**
124      * Serialize an instance, restore it, and check for equality.
125      */
126     public void testSerialization() {
127 
128         TaskSeries s1 = new TaskSeries("S");
129         s1.add(new Task("T1", new Date  (1), new Date  (2)));
130         s1.add(new Task("T2", new Date  (11), new Date  (22)));
131         TaskSeries s2 = null;
132 
133         try {
134             ByteArrayOutputStream   buffer = new ByteArrayOutputStream  ();
135             ObjectOutput   out = new ObjectOutputStream  (buffer);
136             out.writeObject(s1);
137             out.close();
138 
139             ObjectInput   in = new ObjectInputStream  (
140                 new ByteArrayInputStream  (buffer.toByteArray())
141             );
142             s2 = (TaskSeries) in.readObject();
143             in.close();
144         }
145         catch (Exception   e) {
146             System.out.println(e.toString());
147         }
148         assertEquals(s1, s2);
149 
150     }
151     
152     /**
153      * Some checks for the getTask() method.
154      */
155     public void testGetTask() {
156         TaskSeries s1 = new TaskSeries("S");
157         s1.add(new Task("T1", new Date  (1), new Date  (2)));
158         s1.add(new Task("T2", new Date  (11), new Date  (22)));
159         Task t1 = s1.get("T1");
160         assertTrue(t1.equals(new Task("T1", new Date  (1), new Date  (2))));
161         Task t2 = s1.get("T2");
162         assertTrue(t2.equals(new Task("T2", new Date  (11), new Date  (22))));
163         Task t3 = s1.get("T3");
164         assertTrue(t3 == null);
165     }
166 
167 }
168
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