ProblemTest


1   /*
2    * This file is part of JGAP.
3    *
4    * JGAP offers a dual license model containing the LGPL as well as the MPL.
5    *
6    * For licencing information please see the file license.txt included with JGAP
7    * or have a look at the top of class org.jgap.Chromosome which representatively
8    * includes the JGAP license policy applicable for any file delivered with JGAP.
9    */
10  package org.jgap.distr;
11  
12  import org.jgap.*;
13  import org.jgap.impl.*;
14  
15  import junit.framework.*;
16  
17  /**
18   * Tests the Problem class.
19   *
20   * @author Klaus Meffert
21   * @since 3.0
22   */
23  public class ProblemTest
24      extends JGAPTestCase {
25    /** String containing the CVS revision. Read out via reflection!*/
26    private static final String   CVS_REVISION = "$Revision: 1.1 $";
27  
28    public static Test suite() {
29      TestSuite suite = new TestSuite(ProblemTest.class);
30      return suite;
31    }
32  
33    /**
34     * @author Klaus Meffert
35     * @since 3.0
36     */
37    public void testConstruct_0() {
38      try {
39        new Problem(null, 3, null);
40        fail();
41      }
42      catch (IllegalArgumentException   iex) {
43        ; //this is OK
44      }
45    }
46  
47    /**
48     * @author Klaus Meffert
49     * @since 3.0
50     */
51    public void testConstruct_1() {
52      try {
53        new Problem(new StaticFitnessFunction(4.5d), 0, null);
54        fail();
55      }
56      catch (IllegalArgumentException   iex) {
57        ; //this is OK
58      }
59    }
60  
61    /**
62     * @author Klaus Meffert
63     * @since 3.0
64     */
65    public void testConstruct_2() {
66      try {
67        new Problem(new StaticFitnessFunction(4.5d), -1, null);
68        fail();
69      }
70      catch (IllegalArgumentException   iex) {
71        ; //this is OK
72      }
73    }
74  
75    /**
76     * @throws Exception
77     *
78     * @author Klaus Meffert
79     * @since 3.0
80     */
81    public void testConstruct_3() throws Exception   {
82      FitnessFunction ff = new StaticFitnessFunction(4.5d);
83      Chromosome c = new Chromosome(conf);
84      Chromosome[] chroms = new Chromosome[]{c};
85      Problem p = new Problem(ff, 23, chroms);
86      assertEquals(23, p.getPopulationSize());
87      assertSame(ff, p.getFitnessFunction());
88      assertSame(chroms, p.getChromosomes());
89    }
90  
91    /**
92     * @throws Exception
93     *
94     * @author Klaus Meffert
95     * @since 3.0
96     */
97    public void testGetID_0() throws Exception   {
98      Problem p = new Problem();
99      String   s = "2aXh-";
100     p.setID(s);
101     assertSame(s, p.getID());
102   }
103 }
104
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