#region License Information /* HeuristicLab * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL) * * This file is part of HeuristicLab. * * HeuristicLab is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * HeuristicLab is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with HeuristicLab. If not, see . */ #endregion using System; using System.Collections.Generic; using System.Linq; using Microsoft.VisualStudio.TestTools.UnitTesting; namespace HeuristicLab.Collections.Tests { [TestClass] public class BidirectionalDictionaryTest { private class ComplexType { public readonly int Field; public ComplexType(int field) { Field = field; } } private class ComplexTypeEqualityComparer : EqualityComparer { public override bool Equals(ComplexType x, ComplexType y) { return x.Field == y.Field; } public override int GetHashCode(ComplexType obj) { return obj.Field.GetHashCode(); } } [TestMethod] [TestCategory("General")] [TestProperty("Time", "short")] public void TestBidirectionalDictionary() { var dict1 = new BidirectionalDictionary(); dict1.Add(4, 2.0); Assert.IsTrue(dict1.ContainsFirst(4) && dict1.ContainsSecond(2)); bool exceptionOnDuplicate = false; try { dict1.Add(4, 3.0); } catch (ArgumentException) { exceptionOnDuplicate = true; } Assert.IsTrue(exceptionOnDuplicate); Assert.IsTrue(dict1.GetByFirst(4) == 2); Assert.IsTrue(dict1.GetBySecond(2) == 4); Assert.IsTrue(dict1.Count == 1); dict1.Clear(); Assert.IsTrue(dict1.Count == 0); var dict2 = new BidirectionalDictionary(new ComplexTypeEqualityComparer()); Assert.IsTrue(!dict2.Any()); dict2.Add(new ComplexType(1), 2); Assert.IsTrue(dict2.Any()); dict2.Add(new ComplexType(2), 1); Assert.IsTrue(dict2.ContainsFirst(new ComplexType(2))); Assert.IsTrue(dict2.ContainsSecond(2)); exceptionOnDuplicate = false; try { dict2.Add(new ComplexType(2), 3); } catch (ArgumentException) { exceptionOnDuplicate = true; } Assert.IsTrue(exceptionOnDuplicate); exceptionOnDuplicate = false; try { dict2.Add(new ComplexType(3), 1); } catch (ArgumentException) { exceptionOnDuplicate = true; } Assert.IsTrue(exceptionOnDuplicate); Assert.IsTrue(dict2.Count == 2); Assert.IsTrue(dict2.GetBySecond(1).Field == 2); Assert.IsTrue(dict2.GetByFirst(new ComplexType(1)) == 2); dict2.Clear(); Assert.IsTrue(!dict2.Any()); } } }