public void Should_Divide_a_numerator_by_a_denominator_different_of_zero_when_authorization_is_accepted()
{
IAuthorizer authorizer = new AllowAccessAuthorizer();
Calculator calculator = new Calculator(authorizer);
int numerator = 4;
int denominator = 2;
var result = calculator.Divide(numerator, denominator);
Assert.AreEqual(2, result);
}
public void Should_throw_an_exception_when_Divide_by_zero()
{
IAuthorizer authorizer = new AllowAccessAuthorizer();
Calculator calculator = new Calculator(authorizer);
int numerator = new Random().Next();
int denominator = 0;
Assert.ThrowsException <InvalidOperationException>(() =>
{
calculator.Divide(numerator, denominator);
});
}