System.Collections.Tests.SortedListTests.IndexOfValue C# (CSharp) Méthode

        public static void IndexOfValue()
        {
            SortedList sortList1 = Helpers.CreateStringSortedList(100);
            Helpers.PerformActionOnAllSortedListWrappers(sortList1, sortList2 =>
            {
                for (int i = 0; i < sortList2.Count; i++)
                {
                    string value = "Value_" + i;

                    int index = sortList2.IndexOfValue(value);
                    Assert.Equal(i, index);
                    Assert.Equal(value, sortList2.GetByIndex(index));
                }

                Assert.Equal(-1, sortList2.IndexOfValue("Non Existent Value"));

                string removedKey = "Key_01";
                string removedValue = "Value_1";
                sortList2.Remove(removedKey);
                Assert.Equal(-1, sortList2.IndexOfValue(removedValue));

                Assert.Equal(-1, sortList2.IndexOfValue(null));
                sortList2.Add("Key_101", null);
                Assert.NotEqual(-1, sortList2.IndexOfValue(null));
            });
        }