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source: stable/HeuristicLab.Tests/HeuristicLab.Encodings.RealVectorEncoding-3.3/SinglePointCrossoverTest.cs @ 10449

Last change on this file since 10449 was 9885, checked in by mkommend, 11 years ago

#2088: Merged all changesets regarding the unit test restructuring in the stable branch.

File size: 5.0 KB
RevLine 
[3742]1#region License Information
2/* HeuristicLab
[9456]3 * Copyright (C) 2002-2013 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[3742]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
[4068]22using HeuristicLab.Core;
[6891]23using HeuristicLab.Tests;
[2936]24using Microsoft.VisualStudio.TestTools.UnitTesting;
25
[9885]26namespace HeuristicLab.Encodings.RealVectorEncoding.Tests {
[2936]27  /// <summary>
28  ///This is a test class for SinglePointCrossoverTest and is intended
29  ///to contain all SinglePointCrossoverTest Unit Tests
30  ///</summary>
31  [TestClass()]
32  public class SinglePointCrossoverTest {
33    /// <summary>
34    ///A test for Cross
35    ///</summary>
36    [TestMethod()]
[9885]37    [TestCategory("Encodings.RealVector")]
38    [TestProperty("Time", "short")]
[2936]39    public void SinglePointCrossoverCrossTest() {
40      SinglePointCrossover_Accessor target = new SinglePointCrossover_Accessor(new PrivateObject(typeof(SinglePointCrossover)));
[3060]41      ItemArray<RealVector> parents;
[2936]42      TestRandom random = new TestRandom();
43      bool exceptionFired;
44      // The following test checks if there is an exception when there are more than 2 parents
45      random.Reset();
[3060]46      parents = new ItemArray<RealVector>(new RealVector[] { new RealVector(5), new RealVector(6), new RealVector(4) });
[2936]47      exceptionFired = false;
48      try {
[3060]49        RealVector actual;
[2936]50        actual = target.Cross(random, parents);
[9885]51      } catch (System.ArgumentException) {
[2936]52        exceptionFired = true;
53      }
54      Assert.IsTrue(exceptionFired);
55      // The following test checks if there is an exception when there are less than 2 parents
56      random.Reset();
[3060]57      parents = new ItemArray<RealVector>(new RealVector[] { new RealVector(4) });
[2936]58      exceptionFired = false;
59      try {
[3060]60        RealVector actual;
[2936]61        actual = target.Cross(random, parents);
[9885]62      } catch (System.ArgumentException) {
[2936]63        exceptionFired = true;
64      }
65      Assert.IsTrue(exceptionFired);
[3675]66      // The following test checks if there is an exception when the vector has just one dimension
67      random.Reset();
68      parents = new ItemArray<RealVector>(new RealVector[] { new RealVector(1) });
69      exceptionFired = false;
70      try {
71        RealVector actual;
72        actual = target.Cross(random, parents);
[9885]73      } catch (System.ArgumentException) {
[3675]74        exceptionFired = true;
75      }
76      Assert.IsTrue(exceptionFired);
[2936]77    }
78
79    /// <summary>
80    ///A test for Apply
81    ///</summary>
82    [TestMethod()]
[9885]83    [TestCategory("Encodings.RealVector")]
84    [TestProperty("Time", "short")]
[2936]85    public void SinglePointCrossoverApplyTest() {
86      TestRandom random = new TestRandom();
[3060]87      RealVector parent1, parent2, expected, actual;
[2936]88      bool exceptionFired;
89      // The following test is not based on published examples
90      random.Reset();
91      random.IntNumbers = new int[] { 3 };
[3060]92      parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
93      parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
94      expected = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.2, 0.8 });
[2936]95      actual = SinglePointCrossover.Apply(random, parent1, parent2);
[3061]96      Assert.IsTrue(Auxiliary.RealVectorIsAlmostEqualByPosition(actual, expected));
[2936]97      // The following test is not based on published examples
98      random.Reset();
99      random.IntNumbers = new int[] { 2 };
[3060]100      parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1, 0.9 }); // this parent is longer
101      parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
[2936]102      exceptionFired = false;
103      try {
104        actual = SinglePointCrossover.Apply(random, parent1, parent2);
[9885]105      } catch (System.ArgumentException) {
[2936]106        exceptionFired = true;
107      }
108      Assert.IsTrue(exceptionFired);
[3675]109      // The following test is not based on published examples
110      random.Reset();
111      random.IntNumbers = new int[] { 5 }; // should not have an effect
112      parent1 = new RealVector(new double[] { 0.2, 0.4 });
113      parent2 = new RealVector(new double[] { 0.6, 0.1 });
114      expected = new RealVector(new double[] { 0.2, 0.1 });
115      actual = SinglePointCrossover.Apply(random, parent1, parent2);
116      Assert.IsTrue(Auxiliary.RealVectorIsAlmostEqualByPosition(actual, expected));
117      // The following test is not based on published examples
[2936]118    }
119  }
120}
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