public void TestProcessRequest2()
{
//Arrange
Stack <double> myStack = new Stack <double>();
myStack.Push(1);
myStack.Push(2);
myStack.Push(3);
var data = A.Fake <IDataHolder <double> >();
var calc = A.Fake <CalculatorFunctionsImpl>(option => option.CallsBaseMethods());
var callback = A.Fake <ICallback>();
A.CallTo(() => data.GetData()).Returns(myStack);
A.CallTo(() => data.GetSize()).ReturnsLazily(() => myStack.Count);
A.CallTo(() => data.InsertElement(A <double> .Ignored)).Invokes((double x) => myStack.Push(x));
A.CallTo(() => data.SetData(A <Stack <double> > .Ignored)).Invokes((Stack <double> s) => myStack = new Stack <double>(s));
A.CallTo(() => data.RemoveElement()).ReturnsLazily(() => myStack.Pop());
string[] request = { "+", "*", "+" };
IWCFCalculator service = new WCFCalculatorImpl(data, calc);
//Act
service.ProcessRequest(new List <string>(request));
//Assert
Assert.AreEqual(3, myStack.Count);
Assert.AreEqual(3, myStack.Peek());
}
