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source: stable/HeuristicLab.Tests/HeuristicLab-3.3/Samples/IslandGaTspSampleTest.cs @ 13745

Last change on this file since 13745 was 12009, checked in by ascheibe, 10 years ago

#2212 updated copyright year

File size: 3.3 KB
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[11450]1#region License Information
2/* HeuristicLab
[12009]3 * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[11450]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 System.IO;
23using System.Linq;
24using HeuristicLab.Algorithms.GeneticAlgorithm;
25using HeuristicLab.Encodings.PermutationEncoding;
26using HeuristicLab.Optimization.Operators;
27using HeuristicLab.Persistence.Default.Xml;
28using HeuristicLab.Problems.Instances.TSPLIB;
29using HeuristicLab.Problems.TravelingSalesman;
30using HeuristicLab.Selection;
31using Microsoft.VisualStudio.TestTools.UnitTesting;
32
33namespace HeuristicLab.Tests {
34  [TestClass]
35  public class UnitTest1 {
[11907]36    private const string SampleFileName = "IslandGA_TSP";
[11450]37
38    [TestMethod]
39    [TestCategory("Samples.Create")]
40    [TestProperty("Time", "medium")]
41    public void CreateIslandGaTspSampleTest() {
42      var ga = CreateIslandGaTspSample();
[11907]43      string path = Path.Combine(SamplesUtils.SamplesDirectory, SampleFileName + SamplesUtils.SampleFileExtension);
44      XmlGenerator.Serialize(ga, path);
[11450]45    }
46    [TestMethod]
47    [TestCategory("Samples.Execute")]
48    [TestProperty("Time", "long")]
49    public void RunIslandGaTspSampleTest() {
50      var ga = CreateIslandGaTspSample();
51      ga.SetSeedRandomly.Value = false;
52      SamplesUtils.RunAlgorithm(ga);
53      Assert.AreEqual(9918, SamplesUtils.GetDoubleResult(ga, "BestQuality"));
54      Assert.AreEqual(10324.64, SamplesUtils.GetDoubleResult(ga, "CurrentAverageQuality"));
55      Assert.AreEqual(11823, SamplesUtils.GetDoubleResult(ga, "CurrentWorstQuality"));
56      Assert.AreEqual(495500, SamplesUtils.GetIntResult(ga, "EvaluatedSolutions"));
57    }
58
59    private IslandGeneticAlgorithm CreateIslandGaTspSample() {
60      IslandGeneticAlgorithm ga = new IslandGeneticAlgorithm();
61      #region Problem Configuration
62      var provider = new TSPLIBTSPInstanceProvider();
63      var instance = provider.GetDataDescriptors().Where(x => x.Name == "ch130").Single();
64      TravelingSalesmanProblem tspProblem = new TravelingSalesmanProblem();
65      tspProblem.Load(provider.LoadData(instance));
66      tspProblem.UseDistanceMatrix.Value = true;
67      #endregion
68      #region Algorithm Configuration
69      ga.Name = "Island Genetic Algorithm - TSP";
70      ga.Description = "An island genetic algorithm which solves the \"ch130\" traveling salesman problem (imported from TSPLIB)";
71      ga.Problem = tspProblem;
72      SamplesUtils.ConfigureIslandGeneticAlgorithmParameters<ProportionalSelector, OrderCrossover2, InversionManipulator,
73        UnidirectionalRingMigrator, BestSelector, WorstReplacer>(
74        ga, 100, 1, 1000, 0.05, 5, 50, 0.25);
75      #endregion
76      return ga;
77    }
78  }
79}
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