public void SynchronisedDoubleEndedQueueTryPeekAtItemFromBackReturnsFalseIfQueueDoesNotContainItems()
        {
            var deque = new SynchronisedDeque <int>();

            int  i;
            bool result = deque.TryPeekAtItemFromBack(out i);

            Assert.IsFalse(result);
        }
        public void SynchronisedDoubleEndedQueueTryPeekAtItemFromBackReturnsTrueIfQueueContainsItems()
        {
            var items = new[] { 1, 2, 3, 4, 5, 6, 7, 8 };

            var deque = new SynchronisedDeque <int>(items);

            int  i;
            bool result = deque.TryPeekAtItemFromBack(out i);

            Assert.IsTrue(result);
        }
        public void SynchronisedDoubleEndedQueueTryPeekAtItemFromBackGetsItemFromBack()
        {
            var items = new[] { 1, 2, 3, 4, 5, 6, 7, 8 };

            var deque = new SynchronisedDeque <int>(items);

            int i;

            deque.TryPeekAtItemFromBack(out i);

            Assert.AreEqual(8, i);
        }