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source: branches/PausableBasicAlgorithm/HeuristicLab.Tests/HeuristicLab.Encodings.IntegerVectorEncoding-3.3/SinglePointCrossoverTest.cs @ 15071

Last change on this file since 15071 was 13235, checked in by ascheibe, 9 years ago

#2510 adapted unit tests to VS 2015

File size: 4.0 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 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.IntegerVectorEncoding.Tests {
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>
36    [TestMethod]
37    [TestCategory("Encodings.IntegerVector")]
38    [TestProperty("Time", "short")]
39    public void SinglePointCrossoverCrossTest() {
40      var target = new PrivateObject(typeof(SinglePointCrossover));
41      ItemArray<IntegerVector> parents;
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();
46      parents = new ItemArray<IntegerVector>(new IntegerVector[] { new IntegerVector(5), new IntegerVector(6), new IntegerVector(4) });
47      exceptionFired = false;
48      try {
49        IntegerVector actual;
50        actual = (IntegerVector)target.Invoke("Cross", random, parents);
51      }
52      catch (System.ArgumentException) {
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();
58      parents = new ItemArray<IntegerVector>(new IntegerVector[] { new IntegerVector(4) });
59      exceptionFired = false;
60      try {
61        IntegerVector actual;
62        actual = (IntegerVector)target.Invoke("Cross", random, parents);
63      }
64      catch (System.ArgumentException) {
65        exceptionFired = true;
66      }
67      Assert.IsTrue(exceptionFired);
68    }
69
70    /// <summary>
71    ///A test for Apply
72    ///</summary>
73    [TestMethod]
74    [TestCategory("Encodings.IntegerVector")]
75    [TestProperty("Time", "short")]
76    public void SinglePointCrossoverApplyTest() {
77      TestRandom random = new TestRandom();
78      IntegerVector parent1, parent2, expected, actual;
79      bool exceptionFired;
80      // The following test is not based on published examples
81      random.Reset();
82      random.IntNumbers = new int[] { 3 };
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 });
86      actual = SinglePointCrossover.Apply(random, parent1, parent2);
87      Assert.IsTrue(Auxiliary.IntegerVectorIsEqualByPosition(actual, expected));
88      // The following test is not based on published examples
89      random.Reset();
90      random.IntNumbers = new int[] { 2 };
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 });
93      exceptionFired = false;
94      try {
95        actual = SinglePointCrossover.Apply(random, parent1, parent2);
96      }
97      catch (System.ArgumentException) {
98        exceptionFired = true;
99      }
100      Assert.IsTrue(exceptionFired);
101    }
102  }
103}
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