[9000] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[16711] | 3 | * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[9000] | 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;
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| 23 | using System.Collections.Generic;
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| 24 | using System.Linq;
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| 25 | using Microsoft.VisualStudio.TestTools.UnitTesting;
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| 26 |
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[9764] | 27 | namespace HeuristicLab.Collections.Tests {
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[9000] | 28 | [TestClass]
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| 29 | public class BidirectionalDictionaryTest {
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| 30 | private class ComplexType {
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| 31 | public readonly int Field;
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| 32 | public ComplexType(int field) {
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| 33 | Field = field;
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| 34 | }
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| 35 | }
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| 36 |
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| 37 | private class ComplexTypeEqualityComparer : EqualityComparer<ComplexType> {
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| 38 | public override bool Equals(ComplexType x, ComplexType y) {
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| 39 | return x.Field == y.Field;
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| 40 | }
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| 41 | public override int GetHashCode(ComplexType obj) {
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| 42 | return obj.Field.GetHashCode();
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| 43 | }
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| 44 | }
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| 45 |
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| 46 | [TestMethod]
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[9783] | 47 | [TestCategory("General")]
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| 48 | [TestProperty("Time", "short")]
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[9000] | 49 | public void TestBidirectionalDictionary() {
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| 50 | var dict1 = new BidirectionalDictionary<int, double>();
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| 51 | dict1.Add(4, 2.0);
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| 52 | Assert.IsTrue(dict1.ContainsFirst(4) && dict1.ContainsSecond(2));
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| 53 | bool exceptionOnDuplicate = false;
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| 54 | try {
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| 55 | dict1.Add(4, 3.0);
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[9012] | 56 | }
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| 57 | catch (ArgumentException) { exceptionOnDuplicate = true; }
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[9000] | 58 | Assert.IsTrue(exceptionOnDuplicate);
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| 59 | Assert.IsTrue(dict1.GetByFirst(4) == 2);
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| 60 | Assert.IsTrue(dict1.GetBySecond(2) == 4);
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| 61 | Assert.IsTrue(dict1.Count == 1);
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| 62 | dict1.Clear();
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| 63 | Assert.IsTrue(dict1.Count == 0);
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| 64 |
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| 65 | var dict2 = new BidirectionalDictionary<ComplexType, int>(new ComplexTypeEqualityComparer());
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[9012] | 66 | Assert.IsTrue(!dict2.Any());
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[9000] | 67 | dict2.Add(new ComplexType(1), 2);
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[9012] | 68 | Assert.IsTrue(dict2.Any());
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[9000] | 69 | dict2.Add(new ComplexType(2), 1);
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| 70 | Assert.IsTrue(dict2.ContainsFirst(new ComplexType(2)));
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| 71 | Assert.IsTrue(dict2.ContainsSecond(2));
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| 72 | exceptionOnDuplicate = false;
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| 73 | try {
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| 74 | dict2.Add(new ComplexType(2), 3);
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[9012] | 75 | }
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| 76 | catch (ArgumentException) { exceptionOnDuplicate = true; }
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[9000] | 77 | Assert.IsTrue(exceptionOnDuplicate);
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| 78 | exceptionOnDuplicate = false;
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| 79 | try {
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| 80 | dict2.Add(new ComplexType(3), 1);
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[9012] | 81 | }
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| 82 | catch (ArgumentException) { exceptionOnDuplicate = true; }
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[9000] | 83 | Assert.IsTrue(exceptionOnDuplicate);
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| 84 | Assert.IsTrue(dict2.Count == 2);
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| 85 | Assert.IsTrue(dict2.GetBySecond(1).Field == 2);
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| 86 | Assert.IsTrue(dict2.GetByFirst(new ComplexType(1)) == 2);
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| 87 | dict2.Clear();
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[9012] | 88 | Assert.IsTrue(!dict2.Any());
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[9000] | 89 | }
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| 90 | }
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| 91 | }
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