System.Collections.Tests.SortedListTests.GetKeyList_Contains C# (CSharp) Method

        public static void GetKeyList_Contains()
        {
            SortedList sortList1 = Helpers.CreateStringSortedList(100);
            Helpers.PerformActionOnAllSortedListWrappers(sortList1, sortList2 =>
            {
                IList keys = sortList2.GetKeyList();

                for (int i = 0; i < keys.Count; i++)
                {
                    string key = "Key_" + i.ToString("D2");
                    Assert.True(keys.Contains(key));
                }

                Assert.False(keys.Contains("Key_101")); // No such key
            });
        }