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source: trunk/sources/HeuristicLab.Tests/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding-3.4/SubroutineDeleterTest.cs @ 9764

Last change on this file since 9764 was 9764, checked in by abeham, 11 years ago

#2088: Renamed namespaces (removed _33 and _34 postfixes)

File size: 3.0 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 System;
23using System.Collections.Generic;
24using System.Linq;
25using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
26using HeuristicLab.Random;
27using Microsoft.VisualStudio.TestTools.UnitTesting;
28
29namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Tests {
30  [TestClass]
31  public class SubroutineDeleterTest {
32    private const int POPULATION_SIZE = 1000;
33    private const int MAX_TREE_LENGTH = 100;
34    private const int MAX_TREE_DEPTH = 10;
35    private TestContext testContextInstance;
36
37    /// <summary>
38    ///Gets or sets the test context which provides
39    ///information about and functionality for the current test run.
40    ///</summary>
41    public TestContext TestContext {
42      get {
43        return testContextInstance;
44      }
45      set {
46        testContextInstance = value;
47      }
48    }
49
50    [TestMethod()]
51    public void SubroutineDeleterDistributionsTest() {
52      var trees = new List<ISymbolicExpressionTree>();
53      var grammar = Grammars.CreateArithmeticAndAdfGrammar();
54      var random = new MersenneTwister(31415);
55      for (int i = 0; i < POPULATION_SIZE; i++) {
56        ISymbolicExpressionTree tree = null;
57        do {
58          tree = ProbabilisticTreeCreator.Create(random, grammar, MAX_TREE_LENGTH, MAX_TREE_DEPTH);
59          SubroutineCreater.CreateSubroutine(random, tree, MAX_TREE_LENGTH, MAX_TREE_DEPTH, 3, 3);
60          SubroutineCreater.CreateSubroutine(random, tree, MAX_TREE_LENGTH, MAX_TREE_DEPTH, 3, 3);
61        } while (!HasAtLeastOneAdf(tree));
62        var success = SubroutineDeleter.DeleteSubroutine(random, tree, 3, 3);
63        Assert.IsTrue(success);
64        Util.IsValid(tree);
65        trees.Add(tree);
66      }
67      Console.WriteLine("SubroutineDeleter: " + Environment.NewLine +
68        Util.GetSizeDistributionString(trees, 105, 5) + Environment.NewLine +
69        Util.GetFunctionDistributionString(trees) + Environment.NewLine +
70        Util.GetNumberOfSubtreesDistributionString(trees) + Environment.NewLine +
71        Util.GetTerminalDistributionString(trees) + Environment.NewLine
72        );
73    }
74
75    private bool HasAtLeastOneAdf(ISymbolicExpressionTree tree) {
76      return tree.Root.Subtrees.Count() > 1;
77    }
78  }
79}
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