public void Test_Multiply_Ok()
{
var basicOperation = new Mock <IBasicOperation>();
basicOperation.Setup(x => x.Add(It.IsAny <int>(), It.IsAny <int>())).Returns(1);
var advancedOperation = new AdvancedOperation(basicOperation.Object);
var resuts = advancedOperation.Multiply(5, 5);
Assert.AreEqual(1, resuts);
basicOperation.Verify(mock => mock.Add(It.IsAny <int>(), It.IsAny <int>()), Times.Exactly(5));
}
static void Main(string[] args)
{
var advancedOperation = new AdvancedOperation(new BasicOperation());
ExpertOperation expertOperation = new ExpertOperation(advancedOperation);
var i = advancedOperation.Multiply(100, 4);
var j = advancedOperation.Division(100, 5);
advancedOperation.GetFibbonacci(10);
expertOperation.Exponentiation(2, 5);
expertOperation.Power(4, 16);
expertOperation.Power2(4, 16);
Console.ReadKey();
}