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