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source: trunk/sources/HeuristicLab.Tests/HeuristicLab.Encodings.RealVectorEncoding-3.3/SimulatedBinaryCrossoverTest.cs @ 9768

Last change on this file since 9768 was 9768, checked in by mkommend, 11 years ago

#2088: Removed useless brackets in the TestMethod attribute and added test categories and properties for SymExpTreeEncoding unit test.

File size: 6.3 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2013 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.Data;
24using HeuristicLab.Encodings.RealVectorEncoding;
25using HeuristicLab.Tests;
26using Microsoft.VisualStudio.TestTools.UnitTesting;
27
28namespace HeuristicLab.Encodings.RealVectorEncoding.Tests {
29
30
31  /// <summary>
32  ///This is a test class for SimulatedBinaryCrossoverTest and is intended
33  ///to contain all SimulatedBinaryCrossoverTest Unit Tests
34  ///</summary>
35  [TestClass()]
36  public class SimulatedBinaryCrossoverTest {
37
38
39    private TestContext testContextInstance;
40
41    /// <summary>
42    ///Gets or sets the test context which provides
43    ///information about and functionality for the current test run.
44    ///</summary>
45    public TestContext TestContext {
46      get {
47        return testContextInstance;
48      }
49      set {
50        testContextInstance = value;
51      }
52    }
53
54    #region Additional test attributes
55    //
56    //You can use the following additional attributes as you write your tests:
57    //
58    //Use ClassInitialize to run code before running the first test in the class
59    //[ClassInitialize()]
60    //public static void MyClassInitialize(TestContext testContext)
61    //{
62    //}
63    //
64    //Use ClassCleanup to run code after all tests in a class have run
65    //[ClassCleanup()]
66    //public static void MyClassCleanup()
67    //{
68    //}
69    //
70    //Use TestInitialize to run code before running each test
71    //[TestInitialize()]
72    //public void MyTestInitialize()
73    //{
74    //}
75    //
76    //Use TestCleanup to run code after each test has run
77    //[TestCleanup()]
78    //public void MyTestCleanup()
79    //{
80    //}
81    //
82    #endregion
83
84    /// <summary>
85    ///A test for Cross
86    ///</summary>
87    [TestMethod]
88    [DeploymentItem("HeuristicLab.Encodings.RealVectorEncoding-3.3.dll")]
89    public void SimulatedBinaryCrossoverCrossTest() {
90      SimulatedBinaryCrossover_Accessor target = new SimulatedBinaryCrossover_Accessor(new PrivateObject(typeof(SimulatedBinaryCrossover)));
91      ItemArray<RealVector> parents;
92      TestRandom random = new TestRandom();
93      bool exceptionFired;
94      // The following test checks if there is an exception when there are more than 2 parents
95      random.Reset();
96      parents = new ItemArray<RealVector>(new RealVector[] { new RealVector(5), new RealVector(6), new RealVector(4) });
97      exceptionFired = false;
98      try {
99        RealVector actual;
100        actual = target.Cross(random, parents);
101      } catch (System.ArgumentException) {
102        exceptionFired = true;
103      }
104      Assert.IsTrue(exceptionFired);
105      // The following test checks if there is an exception when there are less than 2 parents
106      random.Reset();
107      parents = new ItemArray<RealVector>(new RealVector[] { new RealVector(4) });
108      exceptionFired = false;
109      try {
110        RealVector actual;
111        actual = target.Cross(random, parents);
112      } catch (System.ArgumentException) {
113        exceptionFired = true;
114      }
115      Assert.IsTrue(exceptionFired);
116    }
117
118    /// <summary>
119    ///A test for Apply
120    ///</summary>
121    [TestMethod]
122    public void SimulatedBinaryCrossoverApplyTest() {
123      TestRandom random = new TestRandom();
124      RealVector parent1, parent2, expected, actual;
125      DoubleValue contiguity;
126      bool exceptionFired;
127      // The following test is not based on published examples
128      random.Reset();
129      random.DoubleNumbers = new double[] { 0.3, 0.9, 0.7, 0.2, 0.8, 0.1, 0.2, 0.3, 0.4, 0.8, 0.7 };
130      contiguity = new DoubleValue(0.3);
131      parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
132      parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
133      expected = new RealVector(new double[] { 0.644880972204315, 0.0488239539275703, 0.3, 0.5, 0.1 });
134      actual = SimulatedBinaryCrossover.Apply(random, parent1, parent2, contiguity);
135      Assert.IsTrue(Auxiliary.RealVectorIsAlmostEqualByPosition(actual, expected));
136      // The following test is not based on published examples
137      random.Reset();
138      random.DoubleNumbers = new double[] { 0.3, 0.9, 0.7, 0.2, 0.8, 0.1, 0.2, 0.3, 0.4, 0.8, 0.7 };
139      contiguity = new DoubleValue(0.3);
140      parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1, 0.9 }); // this parent is longer
141      parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
142      exceptionFired = false;
143      try {
144        actual = SimulatedBinaryCrossover.Apply(random, parent1, parent2, contiguity);
145      } catch (System.ArgumentException) {
146        exceptionFired = true;
147      }
148      Assert.IsTrue(exceptionFired);
149      // The following test is not based on published examples
150      random.Reset();
151      random.DoubleNumbers = new double[] { 0.3, 0.9, 0.7, 0.2, 0.8, 0.1, 0.2, 0.3, 0.4, 0.8, 0.7 };
152      contiguity = new DoubleValue(-0.3);  //  contiguity < 0
153      parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
154      parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
155      exceptionFired = false;
156      try {
157        actual = SimulatedBinaryCrossover.Apply(random, parent1, parent2, contiguity);
158      } catch (System.ArgumentException) {
159        exceptionFired = true;
160      }
161      Assert.IsTrue(exceptionFired);
162    }
163
164    /// <summary>
165    ///A test for SimulatedBinaryCrossover Constructor
166    ///</summary>
167    [TestMethod]
168    public void SimulatedBinaryCrossoverConstructorTest() {
169      SimulatedBinaryCrossover target = new SimulatedBinaryCrossover();
170    }
171  }
172}
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