1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2013 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using HeuristicLab.Core;
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23 | using HeuristicLab.Encodings.BinaryVectorEncoding;
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24 | using HeuristicLab.Tests;
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25 | using Microsoft.VisualStudio.TestTools.UnitTesting;
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26 |
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27 | namespace HeuristicLab.Encodings.BinaryVectorEncoding.Tests {
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28 |
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29 |
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30 | /// <summary>
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31 | ///This is a test class for SinglePointCrossoverTest and is intended
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32 | ///to contain all SinglePointCrossoverTest Unit Tests
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33 | ///</summary>
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34 | [TestClass()]
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35 | public class UniformCrossoverTest {
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36 |
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37 |
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38 | private TestContext testContextInstance;
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39 |
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40 | /// <summary>
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41 | ///Gets or sets the test context which provides
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42 | ///information about and functionality for the current test run.
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43 | ///</summary>
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44 | public TestContext TestContext {
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45 | get {
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46 | return testContextInstance;
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47 | }
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48 | set {
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49 | testContextInstance = value;
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50 | }
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51 | }
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52 |
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53 | #region Additional test attributes
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54 | //
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55 | //You can use the following additional attributes as you write your tests:
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56 | //
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57 | //Use ClassInitialize to run code before running the first test in the class
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58 | //[ClassInitialize()]
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59 | //public static void MyClassInitialize(TestContext testContext)
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60 | //{
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61 | //}
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62 | //
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63 | //Use ClassCleanup to run code after all tests in a class have run
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64 | //[ClassCleanup()]
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65 | //public static void MyClassCleanup()
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66 | //{
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67 | //}
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68 | //
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69 | //Use TestInitialize to run code before running each test
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70 | //[TestInitialize()]
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71 | //public void MyTestInitialize()
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72 | //{
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73 | //}
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74 | //
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75 | //Use TestCleanup to run code after each test has run
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76 | //[TestCleanup()]
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77 | //public void MyTestCleanup()
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78 | //{
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79 | //}
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80 | //
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81 | #endregion
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82 |
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83 | /// <summary>
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84 | ///A test for Cross
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85 | ///</summary>
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86 | [TestMethod()]
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87 | [DeploymentItem("HeuristicLab.Encodings.BinaryVectorEncoding-3.3.dll")]
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88 | public void SinglePointCrossoverCrossTest() {
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89 | UniformCrossover_Accessor target = new UniformCrossover_Accessor(new PrivateObject(typeof(UniformCrossover)));
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90 | ItemArray<BinaryVector> parents;
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91 | TestRandom random = new TestRandom();
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92 | bool exceptionFired;
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93 | // The following test checks if there is an exception when there are more than 2 parents
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94 | random.Reset();
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95 | parents = new ItemArray<BinaryVector>(new BinaryVector[] { new BinaryVector(5), new BinaryVector(6), new BinaryVector(4) });
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96 | exceptionFired = false;
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97 | try {
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98 | BinaryVector actual;
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99 | actual = target.Cross(random, parents);
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100 | }
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101 | catch (System.ArgumentException) {
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102 | exceptionFired = true;
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103 | }
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104 | Assert.IsTrue(exceptionFired);
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105 | // The following test checks if there is an exception when there are less than 2 parents
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106 | random.Reset();
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107 | parents = new ItemArray<BinaryVector>(new BinaryVector[] { new BinaryVector(4) });
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108 | exceptionFired = false;
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109 | try {
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110 | BinaryVector actual;
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111 | actual = target.Cross(random, parents);
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112 | }
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113 | catch (System.ArgumentException) {
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114 | exceptionFired = true;
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115 | }
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116 | Assert.IsTrue(exceptionFired);
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117 | }
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118 |
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119 | /// <summary>
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120 | ///A test for Apply
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121 | ///</summary>
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122 | [TestMethod()]
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123 | public void SinglePointCrossoverApplyTest() {
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124 | TestRandom random = new TestRandom();
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125 | BinaryVector parent1, parent2, expected, actual;
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126 | bool exceptionFired;
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127 | // The following test is based on Eiben, A.E. and Smith, J.E. 2003. Introduction to Evolutionary Computation. Natural Computing Series, Springer-Verlag Berlin Heidelberg, p. 49
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128 | random.Reset();
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129 | random.DoubleNumbers = new double[] { 0.35, 0.62, 0.18, 0.42, 0.83, 0.76, 0.39, 0.51, 0.36 };
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130 | parent1 = new BinaryVector(new bool[] { false, false, false, false, true, false, false, false, false });
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131 | parent2 = new BinaryVector(new bool[] { true, true, false, true, false, false, false, false, true });
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132 | expected = new BinaryVector(new bool[] { false, true, false, false, false, false, false, false, false });
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133 | actual = UniformCrossover.Apply(random, parent1, parent2);
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134 | Assert.IsTrue(Auxiliary.BinaryVectorIsEqualByPosition(actual, expected));
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135 |
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136 | // The following test is based on Eiben, A.E. and Smith, J.E. 2003. Introduction to Evolutionary Computation. Natural Computing Series, Springer-Verlag Berlin Heidelberg, p. 49
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137 | random.Reset();
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138 | random.DoubleNumbers = new double[] { 0.35, 0.62, 0.18, 0.42, 0.83, 0.76, 0.39, 0.51, 0.36 };
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139 | parent2 = new BinaryVector(new bool[] { false, false, false, false, true, false, false, false, false });
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140 | parent1 = new BinaryVector(new bool[] { true, true, false, true, false, false, false, false, true });
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141 | expected = new BinaryVector(new bool[] { true, false, false, true, true, false, false, false, true });
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142 | actual = UniformCrossover.Apply(random, parent1, parent2);
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143 | Assert.IsTrue(Auxiliary.BinaryVectorIsEqualByPosition(actual, expected));
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144 |
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145 | // The following test is not based on any published examples
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146 | random.Reset();
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147 | random.DoubleNumbers = new double[] { 0.35, 0.62, 0.18, 0.42, 0.83, 0.76, 0.39, 0.51, 0.36 };
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148 | parent1 = new BinaryVector(new bool[] { false, true, true, false, false }); // this parent is longer
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149 | parent2 = new BinaryVector(new bool[] { false, true, true, false });
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150 | exceptionFired = false;
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151 | try {
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152 | actual = UniformCrossover.Apply(random, parent1, parent2);
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153 | }
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154 | catch (System.ArgumentException) {
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155 | exceptionFired = true;
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156 | }
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157 | Assert.IsTrue(exceptionFired);
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158 | }
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159 |
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160 | /// <summary>
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161 | ///A test for SinglePointCrossover Constructor
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162 | ///</summary>
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163 | [TestMethod()]
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164 | public void SinglePointCrossoverConstructorTest() {
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165 | NPointCrossover target = new NPointCrossover();
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166 | }
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167 | }
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168 | }
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