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source: trunk/sources/HeuristicLab.Encodings.RealVectorEncoding/3.3/Tests/DiscreteCrossoverTest.cs @ 6548

Last change on this file since 6548 was 5445, checked in by swagner, 14 years ago

Updated year of copyrights (#1406)

File size: 5.0 KB
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1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2011 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using HeuristicLab.Core;
23using HeuristicLab.Encodings.RealVectorEncoding;
24using Microsoft.VisualStudio.TestTools.UnitTesting;
25
26namespace HeuristicLab.Encodings.RealVectorEncoding_33.Tests {
27
28
29  /// <summary>
30  ///This is a test class for DiscreteCrossoverTest and is intended
31  ///to contain all DiscreteCrossoverTest Unit Tests
32  ///</summary>
33  [TestClass()]
34  public class DiscreteCrossoverTest {
35
36
37    private TestContext testContextInstance;
38
39    /// <summary>
40    ///Gets or sets the test context which provides
41    ///information about and functionality for the current test run.
42    ///</summary>
43    public TestContext TestContext {
44      get {
45        return testContextInstance;
46      }
47      set {
48        testContextInstance = value;
49      }
50    }
51
52    #region Additional test attributes
53    //
54    //You can use the following additional attributes as you write your tests:
55    //
56    //Use ClassInitialize to run code before running the first test in the class
57    //[ClassInitialize()]
58    //public static void MyClassInitialize(TestContext testContext)
59    //{
60    //}
61    //
62    //Use ClassCleanup to run code after all tests in a class have run
63    //[ClassCleanup()]
64    //public static void MyClassCleanup()
65    //{
66    //}
67    //
68    //Use TestInitialize to run code before running each test
69    //[TestInitialize()]
70    //public void MyTestInitialize()
71    //{
72    //}
73    //
74    //Use TestCleanup to run code after each test has run
75    //[TestCleanup()]
76    //public void MyTestCleanup()
77    //{
78    //}
79    //
80    #endregion
81
82    /// <summary>
83    ///A test for Cross
84    ///</summary>
85    [TestMethod()]
86    [DeploymentItem("HeuristicLab.Encodings.RealVectorEncoding-3.3.dll")]
87    public void DiscreteCrossoverCrossTest() {
88      DiscreteCrossover_Accessor target = new DiscreteCrossover_Accessor(new PrivateObject(typeof(DiscreteCrossover)));
89      ItemArray<RealVector> parents;
90      TestRandom random = new TestRandom();
91      bool exceptionFired;
92      // The following test checks if there is an exception when there are less than 2 parents
93      random.Reset();
94      parents = new ItemArray<RealVector>(new RealVector[] { new RealVector(4) });
95      exceptionFired = false;
96      try {
97        RealVector actual;
98        actual = target.Cross(random, parents);
99      }
100      catch (System.ArgumentException) {
101        exceptionFired = true;
102      }
103      Assert.IsTrue(exceptionFired);
104    }
105
106    /// <summary>
107    ///A test for Apply
108    ///</summary>
109    [TestMethod()]
110    public void DiscreteCrossoverApplyTest() {
111      TestRandom random = new TestRandom();
112      RealVector parent1, parent2, expected, actual;
113      ItemArray<RealVector> parents;
114      bool exceptionFired;
115      // The following test is not based on published examples
116      random.Reset();
117      random.IntNumbers = new int[] { 0, 0, 1, 0, 1 };
118      parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
119      parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
120      parents = new ItemArray<RealVector>(new RealVector[] { parent1, parent2 });
121      expected = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.8 });
122      actual = DiscreteCrossover.Apply(random, parents);
123      Assert.IsTrue(Auxiliary.RealVectorIsAlmostEqualByPosition(actual, expected));
124      // The following test is not based on published examples
125      random.Reset();
126      random.IntNumbers = new int[] { 0, 0, 1, 0, 1, 0 };
127      parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1, 0.9 }); // this parent is longer
128      parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
129      parents = new ItemArray<RealVector>(new RealVector[] { parent1, parent2 });
130      exceptionFired = false;
131      try {
132        actual = DiscreteCrossover.Apply(random, parents);
133      }
134      catch (System.ArgumentException) {
135        exceptionFired = true;
136      }
137      Assert.IsTrue(exceptionFired);
138    }
139
140    /// <summary>
141    ///A test for DiscreteCrossover Constructor
142    ///</summary>
143    [TestMethod()]
144    public void DiscreteCrossoverConstructorTest() {
145      DiscreteCrossover target = new DiscreteCrossover();
146    }
147  }
148}
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