public void Creation()
        {
            Stacc <int> s = new Stacc <int>(3);

            s.Push(1);
            s.Push(2);
            s.Push(3);
            int value = s.Pop();

            Assert.AreEqual(3, value);
            Assert.AreEqual(2, s.Size);
        }
        public void Too_Much_Pop()
        {
            Stacc <int> s = new Stacc <int>(3);

            Assert.Throws <ExpanditureProhibitionException>(() => s.Pop());
        }