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source: branches/2839_HiveProjectManagement/HeuristicLab.Tests/HeuristicLab.Encodings.RealVectorEncoding-3.3/SinglePointCrossoverTest.cs @ 16057

Last change on this file since 16057 was 16057, checked in by jkarder, 6 years ago

#2839:

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1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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
22using HeuristicLab.Tests;
23using Microsoft.VisualStudio.TestTools.UnitTesting;
24
25namespace HeuristicLab.Encodings.RealVectorEncoding.Tests {
26  /// <summary>
27  ///This is a test class for SinglePointCrossoverTest and is intended
28  ///to contain all SinglePointCrossoverTest Unit Tests
29  ///</summary>
30  [TestClass()]
31  public class SinglePointCrossoverTest {
32    /// <summary>
33    ///A test for Apply
34    ///</summary>
35    [TestMethod()]
36    [TestCategory("Encodings.RealVector")]
37    [TestProperty("Time", "short")]
38    public void SinglePointCrossoverApplyTest() {
39      TestRandom random = new TestRandom();
40      RealVector parent1, parent2, expected, actual;
41      bool exceptionFired;
42      // The following test is not based on published examples
43      random.Reset();
44      random.IntNumbers = new int[] { 3 };
45      parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
46      parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
47      expected = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.2, 0.8 });
48      actual = SinglePointCrossover.Apply(random, parent1, parent2);
49      Assert.IsTrue(Auxiliary.RealVectorIsAlmostEqualByPosition(actual, expected));
50      // The following test is not based on published examples
51      random.Reset();
52      random.IntNumbers = new int[] { 2 };
53      parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1, 0.9 }); // this parent is longer
54      parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
55      exceptionFired = false;
56      try {
57        actual = SinglePointCrossover.Apply(random, parent1, parent2);
58      }
59      catch (System.ArgumentException) {
60        exceptionFired = true;
61      }
62      Assert.IsTrue(exceptionFired);
63      // The following test is not based on published examples
64      random.Reset();
65      random.IntNumbers = new int[] { 5 }; // should not have an effect
66      parent1 = new RealVector(new double[] { 0.2, 0.4 });
67      parent2 = new RealVector(new double[] { 0.6, 0.1 });
68      expected = new RealVector(new double[] { 0.2, 0.1 });
69      actual = SinglePointCrossover.Apply(random, parent1, parent2);
70      Assert.IsTrue(Auxiliary.RealVectorIsAlmostEqualByPosition(actual, expected));
71      // The following test is not based on published examples
72    }
73  }
74}
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