public void ResizingArrayQueue_Positive() { var queue = new ResizingArrayQueue <int>(); Assert.IsTrue(queue.IsEmtpy()); queue.Enqueue(1); queue.Enqueue(2); queue.Enqueue(5); queue.Enqueue(7); queue.Enqueue(9); queue.Enqueue(16); Assert.AreEqual(6, queue.Size()); Assert.AreEqual(1, queue.Dequeue()); Assert.AreEqual(2, queue.Dequeue()); Assert.AreEqual(5, queue.Dequeue()); Assert.AreEqual(7, queue.Dequeue()); Assert.AreEqual(2, queue.Size()); Assert.AreEqual(9, queue.Dequeue()); Assert.AreEqual(16, queue.Dequeue()); Assert.AreEqual(0, queue.Size()); queue.Enqueue(22); queue.Enqueue(33); queue.Enqueue(44); var list = new List <int> { 22, 33, 44 }; var index = 0; foreach (var i in queue) { Assert.AreEqual(i, list[index++]); } Assert.AreEqual(22, queue.Peek()); }