public void Insert_EmptyCollection()
        {
            EncryptionPropertyCollection encPropertyCollection = new EncryptionPropertyCollection();
            EncryptionProperty           encProperty           = new EncryptionProperty();

            encPropertyCollection.Insert(0, encProperty);
            Assert.Equal(0, encPropertyCollection.IndexOf(encProperty));
        }
        public void InsertAt(int idx)
        {
            EncryptionPropertyCollection encPropertyCollection = new EncryptionPropertyCollection();

            for (int i = 0; i < 2; i++)
            {
                encPropertyCollection.Add(new EncryptionProperty());
            }
            EncryptionProperty encProperty3 = new EncryptionProperty();

            encPropertyCollection.Insert(idx, encProperty3);
            Assert.Equal(idx, encPropertyCollection.IndexOf(encProperty3));
        }