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 33 using System; 34 using NUnit.Framework; 35 36 namespace 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