1#region Copyright notice and license 2// Protocol Buffers - Google's data interchange format 3// Copyright 2015 Google Inc. All rights reserved. 4// https://developers.google.com/protocol-buffers/ 5// 6// Redistribution and use in source and binary forms, with or without 7// modification, are permitted provided that the following conditions are 8// met: 9// 10// * Redistributions of source code must retain the above copyright 11// notice, this list of conditions and the following disclaimer. 12// * Redistributions in binary form must reproduce the above 13// copyright notice, this list of conditions and the following disclaimer 14// in the documentation and/or other materials provided with the 15// distribution. 16// * Neither the name of Google Inc. nor the names of its 17// contributors may be used to endorse or promote products derived from 18// this software without specific prior written permission. 19// 20// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31#endregion 32 33using System; 34using NUnit.Framework; 35 36namespace Google.Protobuf 37{ 38 /// <summary> 39 /// Helper methods when testing equality. NUnit's Assert.AreEqual and 40 /// Assert.AreNotEqual methods try to be clever with collections, which can 41 /// be annoying... 42 /// </summary> 43 internal static class EqualityTester 44 { 45 public static void AssertEquality<T>(T first, T second) where T : IEquatable<T> 46 { 47 Assert.IsTrue(first.Equals(second)); 48 Assert.IsTrue(first.Equals((object) second)); 49 Assert.AreEqual(first.GetHashCode(), second.GetHashCode()); 50 } 51 52 public static void AssertInequality<T>(T first, T second) where T : IEquatable<T> 53 { 54 Assert.IsFalse(first.Equals(second)); 55 Assert.IsFalse(first.Equals((object) second)); 56 // While this isn't a requirement, the chances of this test failing due to 57 // coincidence rather than a bug are very small. 58 if (first != null && second != null) 59 { 60 Assert.AreNotEqual(first.GetHashCode(), second.GetHashCode()); 61 } 62 } 63 } 64} 65