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source: trunk/sources/HeuristicLab.Encodings.RealVectorEncoding/3.3/Tests/BlendAlphaBetaCrossoverTest.cs @ 5849

Last change on this file since 5849 was 5445, checked in by swagner, 14 years ago

Updated year of copyrights (#1406)

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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.Data;
24using HeuristicLab.Encodings.RealVectorEncoding;
25using Microsoft.VisualStudio.TestTools.UnitTesting;
26
27namespace HeuristicLab.Encodings.RealVectorEncoding_33.Tests {
28
29
30  /// <summary>
31  ///This is a test class for BlendAlphaBetaCrossoverTest and is intended
32  ///to contain all BlendAlphaBetaCrossoverTest Unit Tests
33  ///</summary>
34  [TestClass()]
35  public class BlendAlphaBetaCrossoverTest {
36
37
38    private TestContext testContextInstance;
39
40    /// <summary>
41    ///Gets or sets the test context which provides
42    ///information about and functionality for the current test run.
43    ///</summary>
44    public TestContext TestContext {
45      get {
46        return testContextInstance;
47      }
48      set {
49        testContextInstance = value;
50      }
51    }
52
53    #region Additional test attributes
54    //
55    //You can use the following additional attributes as you write your tests:
56    //
57    //Use ClassInitialize to run code before running the first test in the class
58    //[ClassInitialize()]
59    //public static void MyClassInitialize(TestContext testContext)
60    //{
61    //}
62    //
63    //Use ClassCleanup to run code after all tests in a class have run
64    //[ClassCleanup()]
65    //public static void MyClassCleanup()
66    //{
67    //}
68    //
69    //Use TestInitialize to run code before running each test
70    //[TestInitialize()]
71    //public void MyTestInitialize()
72    //{
73    //}
74    //
75    //Use TestCleanup to run code after each test has run
76    //[TestCleanup()]
77    //public void MyTestCleanup()
78    //{
79    //}
80    //
81    #endregion
82
83    /// <summary>
84    ///A test for Cross
85    ///</summary>
86    [TestMethod()]
87    [DeploymentItem("HeuristicLab.Encodings.RealVectorEncoding-3.3.dll")]
88    public void BlendAlphaBetaCrossoverCrossTest() {
89      BlendAlphaBetaCrossover_Accessor target = new BlendAlphaBetaCrossover_Accessor(new PrivateObject(typeof(BlendAlphaBetaCrossover)));
90      ItemArray<RealVector> parents;
91      TestRandom random = new TestRandom();
92      bool exceptionFired;
93      // The following test checks if there is an exception when there are more than 2 parents
94      random.Reset();
95      parents = new ItemArray<RealVector>(new RealVector[] { new RealVector(5), new RealVector(6), new RealVector(4) });
96      exceptionFired = false;
97      try {
98        RealVector actual;
99        actual = target.Cross(random, parents);
100      }
101      catch (System.ArgumentException) {
102        exceptionFired = true;
103      }
104      Assert.IsTrue(exceptionFired);
105      // The following test checks if there is an exception when there are less than 2 parents
106      random.Reset();
107      parents = new ItemArray<RealVector>(new RealVector[] { new RealVector(4) });
108      exceptionFired = false;
109      try {
110        RealVector actual;
111        actual = target.Cross(random, parents);
112      }
113      catch (System.ArgumentException) {
114        exceptionFired = true;
115      }
116      Assert.IsTrue(exceptionFired);
117    }
118
119    /// <summary>
120    ///A test for Apply
121    ///</summary>
122    [TestMethod()]
123    public void BlendAlphaBetaCrossoverApplyTest() {
124      TestRandom random = new TestRandom();
125      RealVector parent1, parent2, expected, actual;
126      DoubleValue alpha;
127      DoubleValue beta;
128      bool exceptionFired;
129      // The following test is not based on published examples
130      random.Reset();
131      random.DoubleNumbers = new double[] { 0.5, 0.5, 0.5, 0.5, 0.5 };
132      alpha = new DoubleValue(0.5);
133      beta = new DoubleValue(0.5);
134      parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
135      parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
136      expected = new RealVector(new double[] { 0.3, 0.15, 0.3, 0.35, 0.45 });
137      actual = BlendAlphaBetaCrossover.Apply(random, parent1, parent2, alpha, beta);
138      Assert.IsTrue(Auxiliary.RealVectorIsAlmostEqualByPosition(actual, expected));
139      // The following test is not based on published examples
140      random.Reset();
141      random.DoubleNumbers = new double[] { 0.25, 0.75, 0.25, 0.75, 0.25 };
142      alpha = new DoubleValue(-0.25); // negative values for alpha are not allowed
143      parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
144      parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
145      exceptionFired = false;
146      try {
147        actual = BlendAlphaBetaCrossover.Apply(random, parent1, parent2, alpha, beta);
148      }
149      catch (System.ArgumentException) {
150        exceptionFired = true;
151      }
152      Assert.IsTrue(exceptionFired);
153      // The following test is not based on published examples
154      random.Reset();
155      random.DoubleNumbers = new double[] { 0.25, 0.75, 0.25, 0.75, 0.25, .75 };
156      alpha = new DoubleValue(0.25);
157      parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1, 0.9 }); // this parent is longer
158      parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
159      exceptionFired = false;
160      try {
161        actual = BlendAlphaBetaCrossover.Apply(random, parent1, parent2, alpha, beta);
162      }
163      catch (System.ArgumentException) {
164        exceptionFired = true;
165      }
166      Assert.IsTrue(exceptionFired);
167    }
168
169    /// <summary>
170    ///A test for BlendAlphaBetaCrossover Constructor
171    ///</summary>
172    [TestMethod()]
173    public void BlendAlphaBetaCrossoverConstructorTest() {
174      BlendAlphaBetaCrossover target = new BlendAlphaBetaCrossover();
175    }
176  }
177}
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