public void TestPush2Pop()
        {
            Queue280L <string> q = new Queue280L <string>();

            q.Push("PROG280");
            q.Pop();
            q.Pop();
            //Assert.AreEqual(new Exception("Queue Empty"), q.Pop());
            //Assert.AreEqual("Queue Empty", q.Pop());
        }
        public void TestPush5Pop3()
        {
            Queue280L <string> q = new Queue280L <string>();

            q.Push("A");
            q.Push("B");
            q.Push("C");
            q.Push("D");
            q.Push("E");
            q.Pop();
            q.Pop();
            q.Pop();
            //Assert.AreEqual(new Exception("Queue Empty"), q.Pop());
            Assert.AreEqual("D", q.Pop());
        }
        public void TestPushPopDouble()
        {
            Queue280L <double> q = new Queue280L <double>();

            q.Push(0.99);
            Assert.AreEqual(0.99, q.Pop());
        }
        public void TestPushPop()
        {
            Queue280L <string> q = new Queue280L <string>();

            q.Push("PROG280");
            Assert.AreEqual("PROG280", q.Pop());
        }