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source: branches/2936_GQAPIntegration/HeuristicLab.Tests/HeuristicLab.Encodings.IntegerVectorEncoding-3.3/SinglePointCrossoverTest.cs @ 17578

Last change on this file since 17578 was 16711, checked in by gkronber, 6 years ago

#2936: merged r16117:16706 from trunk/HeuristicLab.Tests to branch/HeuristicLab.Tests

File size: 4.0 KB
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[3742]1#region License Information
2/* HeuristicLab
[16711]3 * Copyright (C) 2002-2019 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;
[3032]24using Microsoft.VisualStudio.TestTools.UnitTesting;
25
[9764]26namespace HeuristicLab.Encodings.IntegerVectorEncoding.Tests {
[3032]27  /// <summary>
28  ///This is a test class for SinglePointCrossoverTest and is intended
29  ///to contain all SinglePointCrossoverTest Unit Tests
30  ///</summary>
31  [TestClass()]
32  public class SinglePointCrossoverTest {
33    /// <summary>
34    ///A test for Cross
35    ///</summary>
[9766]36    [TestMethod]
[9777]37    [TestCategory("Encodings.IntegerVector")]
38    [TestProperty("Time", "short")]
[3032]39    public void SinglePointCrossoverCrossTest() {
[14354]40      var target = new PrivateObject(typeof(SinglePointCrossover));
[3059]41      ItemArray<IntegerVector> parents;
[3032]42      TestRandom random = new TestRandom();
43      bool exceptionFired;
44      // The following test checks if there is an exception when there are more than 2 parents
45      random.Reset();
[3059]46      parents = new ItemArray<IntegerVector>(new IntegerVector[] { new IntegerVector(5), new IntegerVector(6), new IntegerVector(4) });
[3032]47      exceptionFired = false;
48      try {
[14354]49        IntegerVector actual;
50        actual = (IntegerVector)target.Invoke("Cross", random, parents);
[13235]51      }
52      catch (System.ArgumentException) {
[3032]53        exceptionFired = true;
54      }
55      Assert.IsTrue(exceptionFired);
56      // The following test checks if there is an exception when there are less than 2 parents
57      random.Reset();
[3059]58      parents = new ItemArray<IntegerVector>(new IntegerVector[] { new IntegerVector(4) });
[3032]59      exceptionFired = false;
60      try {
[14354]61        IntegerVector actual;
62        actual = (IntegerVector)target.Invoke("Cross", random, parents);
[13235]63      }
64      catch (System.ArgumentException) {
[3032]65        exceptionFired = true;
66      }
67      Assert.IsTrue(exceptionFired);
68    }
69
70    /// <summary>
71    ///A test for Apply
72    ///</summary>
[9766]73    [TestMethod]
[9777]74    [TestCategory("Encodings.IntegerVector")]
75    [TestProperty("Time", "short")]
[3032]76    public void SinglePointCrossoverApplyTest() {
77      TestRandom random = new TestRandom();
[3059]78      IntegerVector parent1, parent2, expected, actual;
[3032]79      bool exceptionFired;
80      // The following test is not based on published examples
81      random.Reset();
82      random.IntNumbers = new int[] { 3 };
[3059]83      parent1 = new IntegerVector(new int[] { 2, 2, 3, 5, 1 });
84      parent2 = new IntegerVector(new int[] { 4, 1, 3, 2, 8 });
85      expected = new IntegerVector(new int[] { 2, 2, 3, 2, 8 });
[3032]86      actual = SinglePointCrossover.Apply(random, parent1, parent2);
[3061]87      Assert.IsTrue(Auxiliary.IntegerVectorIsEqualByPosition(actual, expected));
[3032]88      // The following test is not based on published examples
89      random.Reset();
90      random.IntNumbers = new int[] { 2 };
[3059]91      parent1 = new IntegerVector(new int[] { 2, 2, 3, 5, 1, 9 }); // this parent is longer
92      parent2 = new IntegerVector(new int[] { 4, 1, 3, 2, 8 });
[3032]93      exceptionFired = false;
94      try {
95        actual = SinglePointCrossover.Apply(random, parent1, parent2);
[13235]96      }
97      catch (System.ArgumentException) {
[3032]98        exceptionFired = true;
99      }
100      Assert.IsTrue(exceptionFired);
101    }
102  }
103}
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