public void TestAddCallsAlgebra()
{
var algebraMock = new Mock <ICryptoGroupAlgebra <BigInteger, int> >(MockBehavior.Strict);
algebraMock.Setup(algebra => algebra.Add(2, 6)).Returns(8);
algebraMock.Setup(algebra => algebra.IsPotentialElement(It.IsAny <int>())).Returns(true);
var left = new CryptoGroupElement <BigInteger, int>(2, algebraMock.Object);
var right = new CryptoGroupElement <BigInteger, int>(6, algebraMock.Object);
var expected = new CryptoGroupElement <BigInteger, int>(8, algebraMock.Object);
var group = new CryptoGroup <BigInteger, int>(algebraMock.Object);
Assert.AreEqual(expected, group.Add(left, right));
algebraMock.Verify(algebra => algebra.Add(2, 6), Times.Once());
}
public void TestAddRejectsDifferentGroupElementRight()
{
var algebraStub = new Mock <ICryptoGroupAlgebra <BigInteger, int> >(MockBehavior.Strict);
algebraStub.Setup(algebra => algebra.IsPotentialElement(It.IsAny <int>())).Returns(true);
var group = new CryptoGroup <BigInteger, int>(algebraStub.Object);
var otherAlgebraStub = new Mock <ICryptoGroupAlgebra <BigInteger, int> >(MockBehavior.Strict);
otherAlgebraStub.Setup(algebra => algebra.IsPotentialElement(It.IsAny <int>())).Returns(true);
var element = new CryptoGroupElement <BigInteger, int>(3, algebraStub.Object);
var otherElement = new CryptoGroupElement <BigInteger, int>(3, otherAlgebraStub.Object);
Assert.Throws <ArgumentException>(
() => group.Add(element, otherElement)
);
}
