public void UsTaxIdNumberTest1()
{
ulong source = 123456789;
UsTaxIdNumber usTax = new UsTaxIdNumber(source, k1, k2, k3, k4);
Assert.AreEqual("6789", usTax.LastFour);
byte[] encry = usTax.Value;
UsTaxIdNumber usTax1 = new UsTaxIdNumber(encry, k1);
Assert.AreEqual(6789, usTax1.ClearValue);
Assert.AreNotEqual(source.ToString("000-00-0000"), usTax1.ToSSN(k1, k2));
Assert.AreEqual(source.ToString("000-00-0000"), usTax1.ToSSN(k1, k2, k3, k4));
Assert.AreEqual("12-3456789", usTax1.ToEIN(k1, k2, k3, k4));
}
public void UsTaxIdNumberTest()
{
// Set the source.
string source = "123-45-678";
Assert.ThrowsException <ArgumentOutOfRangeException>(() => new UsTaxIdNumber(source, k1, k2, k3, k4));
source += "9";
UsTaxIdNumber usTax = new UsTaxIdNumber(source, k1, k2, k3, k4);
Assert.AreEqual("6789", usTax.LastFour);
byte[] encry = usTax.Value;
UsTaxIdNumber usTax1 = new UsTaxIdNumber(encry, k1);
Assert.AreEqual(6789, usTax1.ClearValue);
Assert.AreNotEqual(source, usTax1.ToSSN(k1, k2));
Assert.AreEqual(source, usTax1.ToSSN(k1, k2, k3, k4));
Assert.AreEqual("12-3456789", usTax1.ToEIN(k1, k2, k3, k4));
}