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