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source: branches/RemoveBackwardsCompatibility/HeuristicLab.Tests/HeuristicLab.Collections-3.3/BidirectionalDictionaryTest.cs @ 14581

Last change on this file since 14581 was 12012, checked in by ascheibe, 10 years ago

#2212 merged r12008, r12009, r12010 back into trunk

File size: 3.2 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 System;
23using System.Collections.Generic;
24using System.Linq;
25using Microsoft.VisualStudio.TestTools.UnitTesting;
26
27namespace HeuristicLab.Collections.Tests {
28  [TestClass]
29  public class BidirectionalDictionaryTest {
30    private class ComplexType {
31      public readonly int Field;
32      public ComplexType(int field) {
33        Field = field;
34      }
35    }
36
37    private class ComplexTypeEqualityComparer : EqualityComparer<ComplexType> {
38      public override bool Equals(ComplexType x, ComplexType y) {
39        return x.Field == y.Field;
40      }
41      public override int GetHashCode(ComplexType obj) {
42        return obj.Field.GetHashCode();
43      }
44    }
45
46    [TestMethod]
47    [TestCategory("General")]
48    [TestProperty("Time", "short")]
49    public void TestBidirectionalDictionary() {
50      var dict1 = new BidirectionalDictionary<int, double>();
51      dict1.Add(4, 2.0);
52      Assert.IsTrue(dict1.ContainsFirst(4) && dict1.ContainsSecond(2));
53      bool exceptionOnDuplicate = false;
54      try {
55        dict1.Add(4, 3.0);
56      }
57      catch (ArgumentException) { exceptionOnDuplicate = true; }
58      Assert.IsTrue(exceptionOnDuplicate);
59      Assert.IsTrue(dict1.GetByFirst(4) == 2);
60      Assert.IsTrue(dict1.GetBySecond(2) == 4);
61      Assert.IsTrue(dict1.Count == 1);
62      dict1.Clear();
63      Assert.IsTrue(dict1.Count == 0);
64
65      var dict2 = new BidirectionalDictionary<ComplexType, int>(new ComplexTypeEqualityComparer());
66      Assert.IsTrue(!dict2.Any());
67      dict2.Add(new ComplexType(1), 2);
68      Assert.IsTrue(dict2.Any());
69      dict2.Add(new ComplexType(2), 1);
70      Assert.IsTrue(dict2.ContainsFirst(new ComplexType(2)));
71      Assert.IsTrue(dict2.ContainsSecond(2));
72      exceptionOnDuplicate = false;
73      try {
74        dict2.Add(new ComplexType(2), 3);
75      }
76      catch (ArgumentException) { exceptionOnDuplicate = true; }
77      Assert.IsTrue(exceptionOnDuplicate);
78      exceptionOnDuplicate = false;
79      try {
80        dict2.Add(new ComplexType(3), 1);
81      }
82      catch (ArgumentException) { exceptionOnDuplicate = true; }
83      Assert.IsTrue(exceptionOnDuplicate);
84      Assert.IsTrue(dict2.Count == 2);
85      Assert.IsTrue(dict2.GetBySecond(1).Field == 2);
86      Assert.IsTrue(dict2.GetByFirst(new ComplexType(1)) == 2);
87      dict2.Clear();
88      Assert.IsTrue(!dict2.Any());
89    }
90  }
91}
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