public void Xor_Should_Return_True_Only_If_Both_Specifications_Return_Different_Values()
{
var mocks = new MockRepository();
var s1 = mocks.StrictMock <ISpecification <int> >();
var s2 = mocks.StrictMock <ISpecification <int> >();
// 1st call
Expect.Call(s1.IsSatisfiedBy(5)).Return(true);
Expect.Call(s2.IsSatisfiedBy(5)).Return(false);
// 2nd call
Expect.Call(s1.IsSatisfiedBy(5)).Return(false);
Expect.Call(s2.IsSatisfiedBy(5)).Return(true);
// 3rd call
Expect.Call(s1.IsSatisfiedBy(5)).Return(true);
Expect.Call(s2.IsSatisfiedBy(5)).Return(true);
// 4th call
Expect.Call(s1.IsSatisfiedBy(5)).Return(false);
Expect.Call(s2.IsSatisfiedBy(5)).Return(false);
mocks.ReplayAll();
ISpecification <int> XorSpecification = new XorSpecification <int>(s1, s2);
Assert.AreEqual(XorSpecification.IsSatisfiedBy(5), true);
Assert.AreEqual(XorSpecification.IsSatisfiedBy(5), true);
Assert.AreEqual(XorSpecification.IsSatisfiedBy(5), false);
Assert.AreEqual(XorSpecification.IsSatisfiedBy(5), false);
mocks.VerifyAll();
}
public void Xor_Should_Return_True_Only_If_Both_Specifications_Return_Different_Values()
{
var mocks = new MockRepository();
var s1 = mocks.StrictMock<ISpecification<int>>();
var s2 = mocks.StrictMock<ISpecification<int>>();
// 1st call
Expect.Call(s1.IsSatisfiedBy(5)).Return(true);
Expect.Call(s2.IsSatisfiedBy(5)).Return(false);
// 2nd call
Expect.Call(s1.IsSatisfiedBy(5)).Return(false);
Expect.Call(s2.IsSatisfiedBy(5)).Return(true);
// 3rd call
Expect.Call(s1.IsSatisfiedBy(5)).Return(true);
Expect.Call(s2.IsSatisfiedBy(5)).Return(true);
// 4th call
Expect.Call(s1.IsSatisfiedBy(5)).Return(false);
Expect.Call(s2.IsSatisfiedBy(5)).Return(false);
mocks.ReplayAll();
ISpecification<int> XorSpecification = new XorSpecification<int>(s1, s2);
Assert.AreEqual(XorSpecification.IsSatisfiedBy(5), true);
Assert.AreEqual(XorSpecification.IsSatisfiedBy(5), true);
Assert.AreEqual(XorSpecification.IsSatisfiedBy(5), false);
Assert.AreEqual(XorSpecification.IsSatisfiedBy(5), false);
mocks.VerifyAll();
}
public void IsSatisfiedByExample()
{
var divisibleByTwoSpecification = new PredicateSpecification <int>(x => x % 2 == 0);
var divisibleByThreeSpecification = new PredicateSpecification <int>(x => x % 3 == 0);
var xorSpecifciation = new XorSpecification <int>(divisibleByTwoSpecification, divisibleByThreeSpecification);
// Not divisible by either two or three
Assert.IsFalse(xorSpecifciation.IsSatisfiedBy(1));
// Divisible by two only
Assert.IsTrue(xorSpecifciation.IsSatisfiedBy(2));
// Divisible by thee only
Assert.IsTrue(xorSpecifciation.IsSatisfiedBy(3));
// Divisible by two and three
Assert.IsFalse(xorSpecifciation.IsSatisfiedBy(6));
}
public void IsSatisfiedByExample()
{
var divisibleByTwoSpecification = new PredicateSpecification<int>(x => x % 2 == 0);
var divisibleByThreeSpecification = new PredicateSpecification<int>(x => x % 3 == 0);
var xorSpecifciation = new XorSpecification<int>(divisibleByTwoSpecification, divisibleByThreeSpecification);
// Not divisible by either two or three
Assert.IsFalse(xorSpecifciation.IsSatisfiedBy(1));
// Divisible by two only
Assert.IsTrue(xorSpecifciation.IsSatisfiedBy(2));
// Divisible by thee only
Assert.IsTrue(xorSpecifciation.IsSatisfiedBy(3));
// Divisible by two and three
Assert.IsFalse(xorSpecifciation.IsSatisfiedBy(6));
}
public void Xor_Should_Return_True_Only_If_Both_Specifications_Return_Different_Values(bool firstValue, bool secondValue, bool expected)
{
var s1 = new Mock <ISpecification <int> >();
var s2 = new Mock <ISpecification <int> >();
ISpecification <int> XorSpecification = new XorSpecification <int>(s1.Object, s2.Object);
s1.Setup(x => x.IsSatisfiedBy(5)).Returns(firstValue);
s2.Setup(x => x.IsSatisfiedBy(5)).Returns(secondValue);
Assert.AreEqual(XorSpecification.IsSatisfiedBy(5), expected);
}
