[3742] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[14185] | 3 | * Copyright (C) 2002-2016 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.Data;
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[6891] | 23 | using HeuristicLab.Tests;
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[2914] | 24 | using Microsoft.VisualStudio.TestTools.UnitTesting;
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| 25 |
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[9764] | 26 | namespace HeuristicLab.Encodings.RealVectorEncoding.Tests {
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[2914] | 27 | /// <summary>
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| 28 | ///This is a test class for BlendAlphaCrossoverTest and is intended
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| 29 | ///to contain all BlendAlphaCrossoverTest Unit Tests
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| 30 | ///</summary>
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| 31 | [TestClass()]
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| 32 | public class BlendAlphaCrossoverTest {
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| 33 | /// <summary>
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| 34 | ///A test for Apply
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| 35 | ///</summary>
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[9777] | 36 | [TestMethod()]
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| 37 | [TestCategory("Encodings.RealVector")]
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| 38 | [TestProperty("Time", "short")]
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[2914] | 39 | public void BlendAlphaCrossoverApplyTest() {
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| 40 | TestRandom random = new TestRandom();
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[3060] | 41 | RealVector parent1, parent2, expected, actual;
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[3048] | 42 | DoubleValue alpha;
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[2914] | 43 | bool exceptionFired;
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| 44 | // The following test is not based on published examples
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| 45 | random.Reset();
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| 46 | random.DoubleNumbers = new double[] { 0.5, 0.5, 0.5, 0.5, 0.5 };
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[3048] | 47 | alpha = new DoubleValue(0.5);
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[3060] | 48 | parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
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| 49 | parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
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| 50 | expected = new RealVector(new double[] { 0.3, 0.15, 0.3, 0.35, 0.45 });
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[2914] | 51 | actual = BlendAlphaCrossover.Apply(random, parent1, parent2, alpha);
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[3061] | 52 | Assert.IsTrue(Auxiliary.RealVectorIsAlmostEqualByPosition(actual, expected));
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[2914] | 53 | // The following test is not based on published examples
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| 54 | random.Reset();
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| 55 | random.DoubleNumbers = new double[] { 0.25, 0.75, 0.25, 0.75, 0.25 };
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[3048] | 56 | alpha = new DoubleValue(0.25);
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[3060] | 57 | parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
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| 58 | parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
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| 59 | expected = new RealVector(new double[] { 0.225, 0.1875, 0.3, 0.4625, 0.1875 });
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[2914] | 60 | actual = BlendAlphaCrossover.Apply(random, parent1, parent2, alpha);
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[3061] | 61 | Assert.IsTrue(Auxiliary.RealVectorIsAlmostEqualByPosition(actual, expected));
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[2914] | 62 | // The following test is not based on published examples
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| 63 | random.Reset();
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| 64 | random.DoubleNumbers = new double[] { 0.25, 0.75, 0.25, 0.75, 0.25 };
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[3048] | 65 | alpha = new DoubleValue(-0.25); // negative values for alpha are not allowed
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[3060] | 66 | parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
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| 67 | parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
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| 68 | expected = new RealVector(new double[] { 0.225, 0.1875, 0.3, 0.4625, 0.1875 });
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[2914] | 69 | exceptionFired = false;
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| 70 | try {
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| 71 | actual = BlendAlphaCrossover.Apply(random, parent1, parent2, alpha);
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[13235] | 72 | }
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| 73 | catch (System.ArgumentException) {
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[2914] | 74 | exceptionFired = true;
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| 75 | }
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| 76 | Assert.IsTrue(exceptionFired);
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| 77 | // The following test is not based on published examples
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| 78 | random.Reset();
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| 79 | random.DoubleNumbers = new double[] { 0.25, 0.75, 0.25, 0.75, 0.25, .75 };
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[3048] | 80 | alpha = new DoubleValue(0.25);
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[3060] | 81 | 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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| 82 | parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
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| 83 | expected = new RealVector(new double[] { 0.225, 0.1875, 0.3, 0.4625, 0.1875 });
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[2914] | 84 | exceptionFired = false;
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| 85 | try {
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| 86 | actual = BlendAlphaCrossover.Apply(random, parent1, parent2, alpha);
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[13235] | 87 | }
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| 88 | catch (System.ArgumentException) {
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[2914] | 89 | exceptionFired = true;
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| 90 | }
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| 91 | Assert.IsTrue(exceptionFired);
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| 92 | }
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| 93 | }
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| 94 | }
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