public void CanConvertFrom()
        {
            _converter.CanConvertFrom(null, typeof(int)).Should().BeTrue();
            _converter.CanConvertFrom(null, typeof(long)).Should().BeTrue();
            _converter.CanConvertFrom(null, typeof(string)).Should().BeTrue();

            _converter.CanConvertFrom(null, typeof(void)).Should().BeFalse();
            _converter.CanConvertFrom(null, typeof(object)).Should().BeFalse();
            _converter.CanConvertFrom(null, typeof(LengthConverter)).Should().BeFalse();
        }