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source: trunk/sources/HeuristicLab.Tests/HeuristicLab.Encodings.RealVectorEncoding-3.3/BlendAlphaCrossoverTest.cs @ 8978

Last change on this file since 8978 was 7259, checked in by swagner, 13 years ago

Updated year of copyrights to 2012 (#1716)

File size: 6.9 KB
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1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2012 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 HeuristicLab.Tests;
26using Microsoft.VisualStudio.TestTools.UnitTesting;
27
28namespace HeuristicLab.Encodings.RealVectorEncoding_33.Tests {
29
30
31  /// <summary>
32  ///This is a test class for BlendAlphaCrossoverTest and is intended
33  ///to contain all BlendAlphaCrossoverTest Unit Tests
34  ///</summary>
35  [TestClass()]
36  public class BlendAlphaCrossoverTest {
37
38
39    private TestContext testContextInstance;
40
41    /// <summary>
42    ///Gets or sets the test context which provides
43    ///information about and functionality for the current test run.
44    ///</summary>
45    public TestContext TestContext {
46      get {
47        return testContextInstance;
48      }
49      set {
50        testContextInstance = value;
51      }
52    }
53
54    #region Additional test attributes
55    //
56    //You can use the following additional attributes as you write your tests:
57    //
58    //Use ClassInitialize to run code before running the first test in the class
59    //[ClassInitialize()]
60    //public static void MyClassInitialize(TestContext testContext)
61    //{
62    //}
63    //
64    //Use ClassCleanup to run code after all tests in a class have run
65    //[ClassCleanup()]
66    //public static void MyClassCleanup()
67    //{
68    //}
69    //
70    //Use TestInitialize to run code before running each test
71    //[TestInitialize()]
72    //public void MyTestInitialize()
73    //{
74    //}
75    //
76    //Use TestCleanup to run code after each test has run
77    //[TestCleanup()]
78    //public void MyTestCleanup()
79    //{
80    //}
81    //
82    #endregion
83
84    /// <summary>
85    ///A test for Cross
86    ///</summary>
87    [TestMethod()]
88    [DeploymentItem("HeuristicLab.Encodings.RealVectorEncoding-3.3.dll")]
89    public void BlendAlphaCrossoverCrossTest() {
90      BlendAlphaCrossover_Accessor target = new BlendAlphaCrossover_Accessor(new PrivateObject(typeof(BlendAlphaCrossover)));
91      ItemArray<RealVector> parents;
92      TestRandom random = new TestRandom();
93      bool exceptionFired;
94      // The following test checks if there is an exception when there are more than 2 parents
95      random.Reset();
96      parents = new ItemArray<RealVector>(new RealVector[] { new RealVector(5), new RealVector(6), new RealVector(4) });
97      exceptionFired = false;
98      try {
99        RealVector actual;
100        actual = target.Cross(random, parents);
101      }
102      catch (System.ArgumentException) {
103        exceptionFired = true;
104      }
105      Assert.IsTrue(exceptionFired);
106      // The following test checks if there is an exception when there are less than 2 parents
107      random.Reset();
108      parents = new ItemArray<RealVector>(new RealVector[] { new RealVector(4) });
109      exceptionFired = false;
110      try {
111        RealVector actual;
112        actual = target.Cross(random, parents);
113      }
114      catch (System.ArgumentException) {
115        exceptionFired = true;
116      }
117      Assert.IsTrue(exceptionFired);
118    }
119
120    /// <summary>
121    ///A test for Apply
122    ///</summary>
123    [TestMethod()]
124    public void BlendAlphaCrossoverApplyTest() {
125      TestRandom random = new TestRandom();
126      RealVector parent1, parent2, expected, actual;
127      DoubleValue alpha;
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      parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
134      parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
135      expected = new RealVector(new double[] { 0.3, 0.15, 0.3, 0.35, 0.45 });
136      actual = BlendAlphaCrossover.Apply(random, parent1, parent2, alpha);
137      Assert.IsTrue(Auxiliary.RealVectorIsAlmostEqualByPosition(actual, expected));
138      // The following test is not based on published examples
139      random.Reset();
140      random.DoubleNumbers = new double[] { 0.25, 0.75, 0.25, 0.75, 0.25 };
141      alpha = new DoubleValue(0.25);
142      parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
143      parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
144      expected = new RealVector(new double[] { 0.225, 0.1875, 0.3, 0.4625, 0.1875 });
145      actual = BlendAlphaCrossover.Apply(random, parent1, parent2, alpha);
146      Assert.IsTrue(Auxiliary.RealVectorIsAlmostEqualByPosition(actual, expected));
147      // The following test is not based on published examples
148      random.Reset();
149      random.DoubleNumbers = new double[] { 0.25, 0.75, 0.25, 0.75, 0.25 };
150      alpha = new DoubleValue(-0.25); // negative values for alpha are not allowed
151      parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
152      parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
153      expected = new RealVector(new double[] { 0.225, 0.1875, 0.3, 0.4625, 0.1875 });
154      exceptionFired = false;
155      try {
156        actual = BlendAlphaCrossover.Apply(random, parent1, parent2, alpha);
157      }
158      catch (System.ArgumentException) {
159        exceptionFired = true;
160      }
161      Assert.IsTrue(exceptionFired);
162      // The following test is not based on published examples
163      random.Reset();
164      random.DoubleNumbers = new double[] { 0.25, 0.75, 0.25, 0.75, 0.25, .75 };
165      alpha = new DoubleValue(0.25);
166      parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1, 0.9 }); // this parent is longer
167      parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
168      expected = new RealVector(new double[] { 0.225, 0.1875, 0.3, 0.4625, 0.1875 });
169      exceptionFired = false;
170      try {
171        actual = BlendAlphaCrossover.Apply(random, parent1, parent2, alpha);
172      }
173      catch (System.ArgumentException) {
174        exceptionFired = true;
175      }
176      Assert.IsTrue(exceptionFired);
177    }
178
179    /// <summary>
180    ///A test for BlendAlphaCrossover Constructor
181    ///</summary>
182    [TestMethod()]
183    public void BlendAlphaCrossoverConstructorTest() {
184      BlendAlphaCrossover target = new BlendAlphaCrossover();
185    }
186  }
187}
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