src/DotNetOpenAuth.Test/Messaging/CollectionAssert.cs

   1 //-----------------------------------------------------------------------
   2 // <copyright file="CollectionAssert.cs" company="Andrew Arnott">
   3 //     Copyright (c) Andrew Arnott. All rights reserved.
   4 // </copyright>
   5 //-----------------------------------------------------------------------
   6
   7 namespace DotNetOpenAuth.Test.Messaging {
   8         using System.Collections;
   9         using System.Collections.Generic;
  10         using System.Linq;
  11         using DotNetOpenAuth.Messaging;
  12         using Microsoft.VisualStudio.TestTools.UnitTesting;
  13
  14         internal class CollectionAssert<T> {
  15                 internal static void AreEquivalent(ICollection<T> expected, ICollection<T> actual) {
  16                         ErrorUtilities.VerifyArgumentNotNull(expected, "expected");
  17                         ErrorUtilities.VerifyArgumentNotNull(actual, "actual");
  18
  19                         ICollection expectedNonGeneric = new List<T>(expected);
  20                         ICollection actualNonGeneric = new List<T>(actual);
  21                         CollectionAssert.AreEquivalent(expectedNonGeneric, actualNonGeneric);
  22                 }
  23
  24                 internal static void AreEquivalentByEquality(ICollection<T> expected, ICollection<T> actual) {
  25                         ErrorUtilities.VerifyArgumentNotNull(expected, "expected");
  26                         ErrorUtilities.VerifyArgumentNotNull(actual, "actual");
  27
  28                         Assert.AreEqual(expected.Count, actual.Count);
  29                         foreach (T value in expected) {
  30                                 Assert.IsTrue(actual.Contains(value));
  31                         }
  32                 }
  33
  34                 internal static void Contains(IEnumerable<T> sequence, T element) {
  35                         ErrorUtilities.VerifyArgumentNotNull(sequence, "sequence");
  36
  37                         if (!sequence.Contains(element)) {
  38                                 Assert.Fail("Sequence did not include expected element '{0}'.", element);
  39                         }
  40                 }
  41         }
  42 }