1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System.IO;
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23 | using System.Linq;
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24 | using HeuristicLab.Algorithms.TabuSearch;
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25 | using HeuristicLab.Encodings.PermutationEncoding;
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26 | using HeuristicLab.Persistence.Default.Xml;
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27 | using HeuristicLab.Problems.BinPacking3D;
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28 | using Microsoft.VisualStudio.TestTools.UnitTesting;
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29 |
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30 | namespace HeuristicLab.Tests {
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31 | [TestClass]
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32 | public class TabuSearch3dBinPackingSampleTest {
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33 | private const string SampleFileName = "TS_BPP";
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34 |
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35 | [TestMethod]
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36 | [TestCategory("Samples.Create")]
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37 | [TestProperty("Time", "medium")]
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38 | public void CreateTabuSearchBppSampleTest() {
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39 | var ts = CreateTabuSearchBppSample();
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40 | string path = Path.Combine(SamplesUtils.SamplesDirectory, SampleFileName + SamplesUtils.SampleFileExtension);
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41 | XmlGenerator.Serialize(ts, path);
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42 | }
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43 | [TestMethod]
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44 | [TestCategory("Samples.Execute")]
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45 | [TestProperty("Time", "long")]
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46 | public void RunTabuSearchBppSampleTest() {
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47 | var ts = CreateTabuSearchBppSample();
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48 | ts.SetSeedRandomly.Value = false;
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49 | SamplesUtils.RunAlgorithm(ts);
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50 | // Assert.AreEqual(6294, SamplesUtils.GetDoubleResult(ts, "BestQuality"));
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51 | // Assert.AreEqual(7380.0386666666664, SamplesUtils.GetDoubleResult(ts, "CurrentAverageQuality"));
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52 | // Assert.AreEqual(8328, SamplesUtils.GetDoubleResult(ts, "CurrentWorstQuality"));
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53 | // Assert.AreEqual(750000, SamplesUtils.GetIntResult(ts, "EvaluatedMoves"));
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54 | }
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55 |
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56 | private TabuSearch CreateTabuSearchBppSample() {
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57 | TabuSearch ts = new TabuSearch();
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58 | #region Problem Configuration
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59 | PermutationProblem bppProblem = new PermutationProblem();
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60 | #endregion
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61 | #region Algorithm Configuration
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62 | ts.Name = "Tabu Search - 3D Bin Packing Problem";
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63 | ts.Description = "A tabu search algorithm that solves a 3D bin packing problem instance";
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64 | ts.Problem = bppProblem;
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65 |
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66 | ts.MaximumIterations.Value = 1000;
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67 | // move generator has to be set first
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68 | var moveGenerator = ts.MoveGeneratorParameter.ValidValues
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69 | .OfType<Encodings.PermutationEncoding.StochasticTranslocationMultiMoveGenerator>()
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70 | .Single();
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71 | ts.MoveGenerator = moveGenerator;
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72 | var moveEvaluator = ts.MoveEvaluatorParameter.ValidValues
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73 | .OfType<Problems.BinPacking3D.TranslocationMoveEvaluator>()
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74 | .Single();
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75 | ts.MoveEvaluator = moveEvaluator;
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76 | var moveMaker = ts.MoveMakerParameter.ValidValues
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77 | .OfType<TranslocationMoveMaker>()
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78 | .Single();
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79 | ts.MoveMaker = moveMaker;
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80 | ts.SampleSize.Value = 100;
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81 | ts.Seed.Value = 0;
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82 | ts.SetSeedRandomly.Value = true;
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83 |
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84 | var tabuChecker = ts.TabuCheckerParameter.ValidValues
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85 | .OfType<TranslocationMoveSoftTabuCriterion>()
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86 | .Single();
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87 | tabuChecker.UseAspirationCriterion.Value = true;
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88 | ts.TabuChecker = tabuChecker;
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89 |
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90 | var tabuMaker = ts.TabuMakerParameter.ValidValues
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91 | .OfType<TranslocationMoveTabuMaker>()
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92 | .Single();
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93 | ts.TabuMaker = tabuMaker;
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94 | ts.TabuTenure.Value = 60;
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95 |
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96 | #endregion
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97 | ts.Engine = new ParallelEngine.ParallelEngine();
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98 | return ts;
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99 | }
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100 | }
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101 | }
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