public void ProvidernameMustBeNonemptyAndNonnull()
        {
            InsurancePolicy          i = getValidInsurancePolicy();
            InsurancePolicyValidator v = new InsurancePolicyValidator();

            i.ProviderName = String.Empty;
            v.ShouldHaveValidationErrorFor(ins => ins.ProviderName, i);

            i.ProviderName = null;
            v.ShouldHaveValidationErrorFor(ins => ins.ProviderName, i);
        }
        public void PolicyNumberMustBeNonemptyAndNonnull()
        {
            InsurancePolicy          i = getValidInsurancePolicy();
            InsurancePolicyValidator v = new InsurancePolicyValidator();

            i.PolicyNumber = String.Empty;
            v.ShouldHaveValidationErrorFor(ins => ins.PolicyNumber, i);

            i.PolicyNumber = null;
            v.ShouldHaveValidationErrorFor(ins => ins.PolicyNumber, i);
        }