public void CustomerAccountHasLateFeesSpecification_Should_Not_Be_Satisfied_By_A_Customer_With_Late_Fees_When_Used_With_A_NotSpecification()
{
CustomerAccount customerWithLateFess = new CustomerAccount()
{
LateFees = 100
};
ISpecification <CustomerAccount> specification = new CustomerAccountHasLateFeesSpecification();
Assert.IsFalse(specification.Not().IsSatisfiedBy(customerWithLateFess));
}
public void CustomerAccountHasLateFeesSpecification_Should_Not_Be_Satisfied_By_A_Customer_With_Zero_Late_Fees()
{
CustomerAccount customerWithNoLateFess = new CustomerAccount()
{
LateFees = 0
};
CustomerAccountHasLateFeesSpecification specification = new CustomerAccountHasLateFeesSpecification();
Assert.IsFalse(specification.IsSatisfiedBy(customerWithNoLateFess));
}
public void A_Composite_Of_Two_Satisfied_Specifications_Should_Not_Be_Satisfied_When_Used_With_A_NotSpecification()
{
CustomerAccount customerActive = new CustomerAccount()
{
AccountActive = true, LateFees = 100
};
ISpecification <CustomerAccount> specificationActive = new CustomerAccountStillActiveSpecification();
ISpecification <CustomerAccount> specificationLateFees = new CustomerAccountHasLateFeesSpecification();
Assert.IsFalse(specificationActive.And(specificationLateFees).Not().IsSatisfiedBy(customerActive));
}
