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source: branches/OptimizationNetworks/HeuristicLab.Tests/HeuristicLab.Encodings.RealVectorEncoding-3.3/DiscreteCrossoverTest.cs @ 12214

Last change on this file since 12214 was 11576, checked in by swagner, 10 years ago

#2205: Merged changes r11062:11557 from trunk/sources into branches/OptimizationNetworks

File size: 3.7 KB
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[3742]1#region License Information
2/* HeuristicLab
[11576]3 * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[3742]4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
[4068]22using HeuristicLab.Core;
[6891]23using HeuristicLab.Tests;
[2936]24using Microsoft.VisualStudio.TestTools.UnitTesting;
25
[9764]26namespace HeuristicLab.Encodings.RealVectorEncoding.Tests {
[2936]27  /// <summary>
28  ///This is a test class for DiscreteCrossoverTest and is intended
29  ///to contain all DiscreteCrossoverTest Unit Tests
30  ///</summary>
31  [TestClass()]
32  public class DiscreteCrossoverTest {
33    /// <summary>
34    ///A test for Cross
35    ///</summary>
[9777]36    [TestMethod()]
37    [TestCategory("Encodings.RealVector")]
38    [TestProperty("Time", "short")]
[2936]39    public void DiscreteCrossoverCrossTest() {
40      DiscreteCrossover_Accessor target = new DiscreteCrossover_Accessor(new PrivateObject(typeof(DiscreteCrossover)));
[3060]41      ItemArray<RealVector> parents;
[2936]42      TestRandom random = new TestRandom();
43      bool exceptionFired;
44      // The following test checks if there is an exception when there are less than 2 parents
45      random.Reset();
[3060]46      parents = new ItemArray<RealVector>(new RealVector[] { new RealVector(4) });
[2936]47      exceptionFired = false;
48      try {
[3060]49        RealVector actual;
[2936]50        actual = target.Cross(random, parents);
[9777]51      } catch (System.ArgumentException) {
[2936]52        exceptionFired = true;
53      }
54      Assert.IsTrue(exceptionFired);
55    }
56
57    /// <summary>
58    ///A test for Apply
59    ///</summary>
[9777]60    [TestMethod()]
61    [TestCategory("Encodings.RealVector")]
62    [TestProperty("Time", "short")]
[2936]63    public void DiscreteCrossoverApplyTest() {
64      TestRandom random = new TestRandom();
[3060]65      RealVector parent1, parent2, expected, actual;
66      ItemArray<RealVector> parents;
[2936]67      bool exceptionFired;
68      // The following test is not based on published examples
69      random.Reset();
70      random.IntNumbers = new int[] { 0, 0, 1, 0, 1 };
[3060]71      parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
72      parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
[4068]73      parents = new ItemArray<RealVector>(new RealVector[] { parent1, parent2 });
[3060]74      expected = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.8 });
[2936]75      actual = DiscreteCrossover.Apply(random, parents);
[3061]76      Assert.IsTrue(Auxiliary.RealVectorIsAlmostEqualByPosition(actual, expected));
[2936]77      // The following test is not based on published examples
78      random.Reset();
79      random.IntNumbers = new int[] { 0, 0, 1, 0, 1, 0 };
[3060]80      parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1, 0.9 }); // this parent is longer
81      parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
82      parents = new ItemArray<RealVector>(new RealVector[] { parent1, parent2 });
[2936]83      exceptionFired = false;
84      try {
85        actual = DiscreteCrossover.Apply(random, parents);
[9777]86      } catch (System.ArgumentException) {
[2936]87        exceptionFired = true;
88      }
89      Assert.IsTrue(exceptionFired);
90    }
91  }
92}
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