public async ValueTask CountAsync_With_ValidData_Must_Succeed(int[] source)
        {
            // Arrange
            var wrapped = Wrap
                          .AsAsyncValueEnumerable(source);
            var expected = Enumerable
                           .Count(source);

            // Act
            var result = await AsyncValueEnumerableExtensions
                         .CountAsync <Wrap.AsyncValueEnumerableWrapper <int>, Wrap.AsyncEnumerator <int>, int>(wrapped);

            // Assert
            _ = result.Must()
                .BeEqualTo(expected);
        }