public string CustomerRentsCar(string carCategory, string customerSocialSecurityNumber, decimal currentMilage)
{
if (!CarCategories.IsOfThisType(carCategory))
{
throw new ArgumentNullException("carCategory");
}
if (!SocialSecurityNumber.IsValid(customerSocialSecurityNumber))
{
throw new ArgumentNullException("customerSocialSecurityNumber");
}
return(CreateAndSaveACarRental(carCategory, customerSocialSecurityNumber, currentMilage));
}
public void Ssn_Invalid(string ssn)
{
Assert.False(SocialSecurityNumber.IsValid(ssn));
}
public void Ssn_Valid(string ssn)
{
Assert.True(SocialSecurityNumber.IsValid(ssn));
}
public void ShouldFailTheseSocialSecurityNumbers(string input)
{
Assert.IsFalse(SocialSecurityNumber.IsValid(input), input);
}
public void ShouldPassTheseSocialSecurityNumbers(string input)
{
Assert.IsTrue(SocialSecurityNumber.IsValid(input), input);
}