1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2010 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.Encodings.RealVectorEncoding;
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23 | using Microsoft.VisualStudio.TestTools.UnitTesting;
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24 | using HeuristicLab.Common;
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25 | using HeuristicLab.Core;
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26 | using HeuristicLab.Data;
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27 | using HeuristicLab.Parameters;
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28 |
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29 | namespace HeuristicLab.Encodings.RealVectorEncoding_33.Tests {
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30 |
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31 |
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32 | /// <summary>
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33 | ///This is a test class for BlendAlphaBetaCrossoverTest and is intended
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34 | ///to contain all BlendAlphaBetaCrossoverTest Unit Tests
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35 | ///</summary>
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36 | [TestClass()]
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37 | public class BlendAlphaBetaCrossoverTest {
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38 |
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39 |
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40 | private TestContext testContextInstance;
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41 |
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42 | /// <summary>
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43 | ///Gets or sets the test context which provides
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44 | ///information about and functionality for the current test run.
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45 | ///</summary>
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46 | public TestContext TestContext {
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47 | get {
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48 | return testContextInstance;
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49 | }
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50 | set {
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51 | testContextInstance = value;
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52 | }
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53 | }
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54 |
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55 | #region Additional test attributes
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56 | //
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57 | //You can use the following additional attributes as you write your tests:
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58 | //
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59 | //Use ClassInitialize to run code before running the first test in the class
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60 | //[ClassInitialize()]
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61 | //public static void MyClassInitialize(TestContext testContext)
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62 | //{
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63 | //}
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64 | //
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65 | //Use ClassCleanup to run code after all tests in a class have run
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66 | //[ClassCleanup()]
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67 | //public static void MyClassCleanup()
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68 | //{
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69 | //}
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70 | //
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71 | //Use TestInitialize to run code before running each test
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72 | //[TestInitialize()]
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73 | //public void MyTestInitialize()
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74 | //{
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75 | //}
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76 | //
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77 | //Use TestCleanup to run code after each test has run
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78 | //[TestCleanup()]
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79 | //public void MyTestCleanup()
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80 | //{
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81 | //}
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82 | //
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83 | #endregion
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84 |
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85 | /// <summary>
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86 | ///A test for Cross
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87 | ///</summary>
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88 | [TestMethod()]
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89 | [DeploymentItem("HeuristicLab.Encodings.RealVectorEncoding-3.3.dll")]
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90 | public void BlendAlphaBetaCrossoverCrossTest() {
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91 | BlendAlphaBetaCrossover_Accessor target = new BlendAlphaBetaCrossover_Accessor(new PrivateObject(typeof(BlendAlphaBetaCrossover)));
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92 | ItemArray<RealVector> parents;
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93 | TestRandom random = new TestRandom();
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94 | bool exceptionFired;
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95 | // The following test checks if there is an exception when there are more than 2 parents
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96 | random.Reset();
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97 | parents = new ItemArray<RealVector>(new RealVector[] { new RealVector(5), new RealVector(6), new RealVector(4) });
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98 | exceptionFired = false;
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99 | try {
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100 | RealVector actual;
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101 | actual = target.Cross(random, parents);
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102 | } catch (System.ArgumentException) {
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103 | exceptionFired = true;
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104 | }
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105 | Assert.IsTrue(exceptionFired);
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106 | // The following test checks if there is an exception when there are less than 2 parents
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107 | random.Reset();
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108 | parents = new ItemArray<RealVector>(new RealVector[] { new RealVector(4) });
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109 | exceptionFired = false;
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110 | try {
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111 | RealVector actual;
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112 | actual = target.Cross(random, parents);
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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 BlendAlphaBetaCrossoverApplyTest() {
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124 | TestRandom random = new TestRandom();
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125 | RealVector parent1, parent2, expected, actual;
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126 | DoubleValue alpha;
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127 | DoubleValue beta;
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128 | bool exceptionFired;
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129 | // The following test is not based on published examples
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130 | random.Reset();
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131 | random.DoubleNumbers = new double[] { 0.5, 0.5, 0.5, 0.5, 0.5 };
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132 | alpha = new DoubleValue(0.5);
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133 | beta = new DoubleValue(0.5);
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134 | parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
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135 | parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
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136 | expected = new RealVector(new double[] { 0.3, 0.15, 0.3, 0.35, 0.45 });
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137 | actual = BlendAlphaBetaCrossover.Apply(random, parent1, parent2, alpha, beta);
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138 | Assert.IsTrue(Auxiliary.RealVectorIsAlmostEqualByPosition(actual, expected));
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139 | // The following test is not based on published examples
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140 | random.Reset();
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141 | random.DoubleNumbers = new double[] { 0.25, 0.75, 0.25, 0.75, 0.25 };
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142 | alpha = new DoubleValue(-0.25); // negative values for alpha are not allowed
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143 | parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
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144 | parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
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145 | exceptionFired = false;
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146 | try {
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147 | actual = BlendAlphaBetaCrossover.Apply(random, parent1, parent2, alpha, beta);
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148 | } catch (System.ArgumentException) {
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149 | exceptionFired = true;
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150 | }
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151 | Assert.IsTrue(exceptionFired);
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152 | // The following test is not based on published examples
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153 | random.Reset();
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154 | random.DoubleNumbers = new double[] { 0.25, 0.75, 0.25, 0.75, 0.25, .75 };
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155 | alpha = new DoubleValue(0.25);
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156 | parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1, 0.9 }); // this parent is longer
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157 | parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
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158 | exceptionFired = false;
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159 | try {
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160 | actual = BlendAlphaBetaCrossover.Apply(random, parent1, parent2, alpha, beta);
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161 | } catch (System.ArgumentException) {
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162 | exceptionFired = true;
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163 | }
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164 | Assert.IsTrue(exceptionFired);
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165 | }
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166 |
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167 | /// <summary>
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168 | ///A test for BlendAlphaBetaCrossover Constructor
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169 | ///</summary>
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170 | [TestMethod()]
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171 | public void BlendAlphaBetaCrossoverConstructorTest() {
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172 | BlendAlphaBetaCrossover target = new BlendAlphaBetaCrossover();
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173 | }
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174 | }
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175 | }
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