public static IEnumerable<object[]> ParseIntegralBoundaries_TestData()
{
yield return new object[] { "2147483649", "2147483649" };
yield return new object[] { "4294967297", "4294967297" };
yield return new object[] { "9223372036854775807", "9223372036854775807" };
yield return new object[] { "18446744073709551615", "18446744073709551615" };
yield return new object[] { "79228162514264337593543950336", "7.9228162514264338E+28" };
}