public void TestMockMethodForAdd()
{
MockMethod add = new MockMethod(typeof(ICalculator), "Add");
add.With(5, 3).Return(8);
add.With(2, 7).Return(9);
Assert.AreEqual(add.Call(5, 3), 8);
Assert.AreEqual(add.Call(2, 7), 9);
Assert.AreEqual(add.Call(4, 8), 0);
}