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source: trunk/HeuristicLab.Tests/HeuristicLab.Collections-3.3/BidirectionalLookupTest.cs @ 17156

Last change on this file since 17156 was 16565, checked in by gkronber, 5 years ago

#2520: merged changes from PersistenceOverhaul branch (r16451:16564) into trunk

File size: 4.4 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2019 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.Collections.Generic;
23using System.Linq;
24using Microsoft.VisualStudio.TestTools.UnitTesting;
25
26namespace HeuristicLab.Collections.Tests {
27  [TestClass]
28  public class BidirectionalLookupTest {
29    private class ComplexType {
30      public readonly int Field;
31      public ComplexType(int field) {
32        Field = field;
33      }
34    }
35
36    private class ComplexTypeEqualityComparer : EqualityComparer<ComplexType> {
37      public override bool Equals(ComplexType x, ComplexType y) {
38        return x.Field == y.Field;
39      }
40      public override int GetHashCode(ComplexType obj) {
41        return obj.Field.GetHashCode();
42      }
43    }
44
45    [TestMethod]
46    [TestCategory("General")]
47    [TestProperty("Time", "short")]
48    public void TestBidirectionalLookup() {
49      var lookup1 = new BidirectionalLookup<int, double>();
50      lookup1.Add(4, 2);
51      Assert.IsTrue(lookup1.ContainsFirst(4) && lookup1.ContainsSecond(2));
52      lookup1.Add(4, 3);
53      Assert.IsTrue(lookup1.GetByFirst(4).Count() == 2);
54      Assert.IsTrue(lookup1.GetBySecond(2).Contains(4));
55      Assert.IsTrue(lookup1.CountFirst == 1);
56      Assert.IsTrue(lookup1.CountSecond == 2);
57      lookup1.Add(3, 2);
58      lookup1.Add(2, 2);
59      lookup1.Add(1, 2);
60      Assert.IsTrue(lookup1.GetByFirst(1).Single() == 2);
61      Assert.IsTrue(lookup1.GetBySecond(2).Count() == 4);
62      lookup1.RemovePair(2, 2);
63      Assert.IsTrue(!lookup1.ContainsFirst(2));
64      Assert.IsTrue(lookup1.GetBySecond(2).Count() == 3);
65      lookup1.RemoveByFirst(4);
66      Assert.IsTrue(lookup1.CountFirst == 2);
67      Assert.IsTrue(lookup1.CountSecond == 1);
68      lookup1.RemoveBySecond(2);
69      Assert.IsTrue(lookup1.CountFirst == 0);
70      Assert.IsTrue(lookup1.CountSecond == 0);
71      lookup1.Clear();
72      Assert.IsTrue(lookup1.CountFirst == 0);
73      Assert.IsTrue(lookup1.CountSecond == 0);
74
75      var dict2 = new BidirectionalLookup<ComplexType, int>(new ComplexTypeEqualityComparer());
76      Assert.IsTrue(!dict2.FirstEnumerable.Any());
77      dict2.Add(new ComplexType(1), 2);
78      Assert.IsTrue(dict2.SecondEnumerable.Any());
79      dict2.Add(new ComplexType(2), 1);
80      Assert.IsTrue(dict2.ContainsFirst(new ComplexType(2)));
81      Assert.IsTrue(dict2.ContainsSecond(2));
82      dict2.Add(new ComplexType(2), 3);
83      Assert.IsTrue(dict2.GetByFirst(new ComplexType(2)).Count() == 2);
84      Assert.IsTrue(dict2.GetByFirst(new ComplexType(2)).Contains(1));
85      Assert.IsTrue(dict2.GetByFirst(new ComplexType(2)).Contains(3));
86      dict2.Add(new ComplexType(3), 1);
87      Assert.IsTrue(dict2.GetBySecond(1).Count() == 2);
88      Assert.IsTrue(dict2.GetBySecond(1).Any(x => x.Field == 2));
89      Assert.IsTrue(dict2.GetBySecond(1).Any(x => x.Field == 3));
90      Assert.IsTrue(dict2.CountFirst == 3);
91      Assert.IsTrue(dict2.CountSecond == 3);
92      dict2.Add(new ComplexType(2), 2);
93      Assert.IsTrue(dict2.CountFirst == 3);
94      Assert.IsTrue(dict2.CountSecond == 3);
95      dict2.Add(new ComplexType(2), 4);
96      Assert.IsTrue(dict2.CountFirst == 3);
97      Assert.IsTrue(dict2.CountSecond == 4);
98      dict2.RemoveByFirst(new ComplexType(2));
99      Assert.IsTrue(dict2.CountFirst == 2);
100      Assert.IsTrue(dict2.CountSecond == 2);
101      dict2.RemovePair(new ComplexType(1), 1);
102      Assert.IsTrue(dict2.CountFirst == 2);
103      Assert.IsTrue(dict2.CountSecond == 2);
104      dict2.RemovePair(new ComplexType(1), 2);
105      Assert.IsTrue(dict2.CountFirst == 1);
106      Assert.IsTrue(dict2.CountSecond == 1);
107      dict2.Clear();
108      Assert.IsTrue(!dict2.SecondEnumerable.Any());
109    }
110  }
111}
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