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source: branches/2901_StaticSelectionMethods/HeuristicLab.Tests/HeuristicLab.Encodings.RealVectorEncoding-3.3/DiscreteCrossoverTest.cs

Last change on this file was 15583, checked in by swagner, 7 years ago

#2640: Updated year of copyrights in license headers

File size: 2.8 KB
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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.Core;
23using HeuristicLab.Tests;
24using Microsoft.VisualStudio.TestTools.UnitTesting;
25
26namespace HeuristicLab.Encodings.RealVectorEncoding.Tests {
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 Apply
35    ///</summary>
36    [TestMethod()]
37    [TestCategory("Encodings.RealVector")]
38    [TestProperty("Time", "short")]
39    public void DiscreteCrossoverApplyTest() {
40      TestRandom random = new TestRandom();
41      RealVector parent1, parent2, expected, actual;
42      ItemArray<RealVector> parents;
43      bool exceptionFired;
44      // The following test is not based on published examples
45      random.Reset();
46      random.IntNumbers = new int[] { 0, 0, 1, 0, 1 };
47      parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
48      parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
49      parents = new ItemArray<RealVector>(new RealVector[] { parent1, parent2 });
50      expected = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.8 });
51      actual = DiscreteCrossover.Apply(random, parents);
52      Assert.IsTrue(Auxiliary.RealVectorIsAlmostEqualByPosition(actual, expected));
53      // The following test is not based on published examples
54      random.Reset();
55      random.IntNumbers = new int[] { 0, 0, 1, 0, 1, 0 };
56      parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1, 0.9 }); // this parent is longer
57      parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
58      parents = new ItemArray<RealVector>(new RealVector[] { parent1, parent2 });
59      exceptionFired = false;
60      try {
61        actual = DiscreteCrossover.Apply(random, parents);
62      }
63      catch (System.ArgumentException) {
64        exceptionFired = true;
65      }
66      Assert.IsTrue(exceptionFired);
67    }
68  }
69}
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