| 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2018 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 | using System;
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| 22 | using Microsoft.VisualStudio.TestTools.UnitTesting;
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| 23 |
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| 24 | namespace HeuristicLab.Problems.TestFunctions.MultiObjective.Tests {
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| 25 | [TestClass]
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| 26 | public class GenerationalDistanceTest {
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| 27 |
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| 28 | [TestMethod]
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| 29 | [ExpectedException(typeof(ArgumentException))]
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| 30 | [TestCategory("Problems.TestFunctions.MultiObjective")]
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| 31 | [TestProperty("Time", "short")]
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| 32 | public void GenerationalDistanceTestEmptyOptimalFront() {
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| 33 |
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| 34 | double[] point = new double[2];
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| 35 | point[0] = 0.5;
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| 36 | point[1] = 0.5;
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| 37 | double[][] front = { point };
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| 38 | double[][] referencefront = { };
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| 39 | GenerationalDistance.Calculate(front, referencefront, 1);
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| 40 | }
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| 41 |
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| 42 | [TestMethod]
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| 43 | [ExpectedException(typeof(ArgumentException))]
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| 44 | [TestCategory("Problems.TestFunctions.MultiObjective")]
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| 45 | [TestProperty("Time", "short")]
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| 46 | public void GenerationalDistanceTestEmptyFront() {
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| 47 |
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| 48 | double[] point = new double[2];
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| 49 | point[0] = 0.5;
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| 50 | point[1] = 0.5;
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| 51 | double[][] front = { };
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| 52 | double[][] referencefront = { point };
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| 53 | GenerationalDistance.Calculate(front, referencefront, 1);
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| 54 | }
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| 55 |
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| 56 | [TestMethod]
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| 57 | [TestCategory("Problems.TestFunctions.MultiObjective")]
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| 58 | [TestProperty("Time", "short")]
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| 59 | public void GenerationalDistanceTestSamePoint() {
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| 60 |
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| 61 | double[] point = new double[2];
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| 62 | point[0] = 0.5;
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| 63 | point[1] = 0.5;
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| 64 | double[][] front = { point };
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| 65 | double[] point1 = new double[2];
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| 66 | point1[0] = 0.5;
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| 67 | point1[1] = 0.5;
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| 68 | double[][] referencefront = { point1 };
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| 69 | double dist = GenerationalDistance.Calculate(front, referencefront, 1);
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| 70 | Assert.AreEqual(0, dist);
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| 71 | }
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| 72 |
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| 73 | [TestMethod]
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| 74 | [TestCategory("Problems.TestFunctions.MultiObjective")]
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| 75 | [TestProperty("Time", "short")]
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| 76 | public void GenerationalDistanceTestSinglePoint() {
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| 77 | double[] point = new double[2];
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| 78 | point[0] = 0;
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| 79 | point[1] = 0;
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| 80 | double[][] front = { point };
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| 81 | double[] point2 = new double[2];
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| 82 | point2[0] = 1;
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| 83 | point2[1] = 1;
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| 84 | double[][] referencefront = { point2 };
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| 85 | double dist = GenerationalDistance.Calculate(front, referencefront, 1);
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| 86 | Assert.AreEqual(Math.Sqrt(2), dist);
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| 87 | }
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| 88 |
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| 89 | [TestMethod]
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| 90 | [TestCategory("Problems.TestFunctions.MultiObjective")]
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| 91 | [TestProperty("Time", "short")]
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| 92 | public void GenerationalDistanceTestDifferentSizes() {
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| 93 | double[] point = new double[2];
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| 94 | point[0] = 0;
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| 95 | point[1] = 0;
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| 96 | double[] point1 = new double[2];
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| 97 | point1[0] = 1;
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| 98 | point1[1] = 0.5;
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| 99 | double[][] front = { point, point1 };
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| 100 | double[] point2 = new double[2];
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| 101 | point2[0] = 1;
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| 102 | point2[1] = 0;
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| 103 | double[][] referencefront = { point2 };
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| 104 | double dist = GenerationalDistance.Calculate(front, referencefront, 1);
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| 105 | Assert.AreEqual(0.75, dist);
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| 106 | }
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| 107 |
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| 108 | [TestMethod]
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| 109 | [TestCategory("Problems.TestFunctions.MultiObjective")]
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| 110 | [TestProperty("Time", "short")]
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| 111 | public void GenerationalDistanceTestQuadratic() {
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| 112 | double[] point = new double[2];
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| 113 | point[0] = 0;
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| 114 | point[1] = 0;
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| 115 | double[] point1 = new double[2];
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| 116 | point1[0] = 0;
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| 117 | point1[1] = 1;
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| 118 | double[][] front = { point, point1 };
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| 119 | double[] point2 = new double[2];
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| 120 | point2[0] = 1;
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| 121 | point2[1] = 0;
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| 122 | double[] point3 = new double[2];
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| 123 | point3[0] = 1;
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| 124 | point3[1] = 1;
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| 125 | double[][] referencefront = { point2, point3 };
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| 126 | double dist = GenerationalDistance.Calculate(front, referencefront, 1);
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| 127 | Assert.AreEqual(1, dist);
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| 128 | }
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| 129 | }
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| 130 | }
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