public void Test()
{
var queue = new QueueArray <int>();
queue.Enqueue(1);
queue.Enqueue(2);
queue.Enqueue(3);
queue.Enqueue(4);
queue.Enqueue(5);
Assert.AreEqual("12345", queue.GetValues());
Assert.AreEqual(1, queue.Dequeue());
Assert.AreEqual("2345", queue.GetValues());
Assert.AreEqual(2, queue.Dequeue());
Assert.AreEqual("345", queue.GetValues());
queue.Enqueue(6);
Assert.AreEqual("3456", queue.GetValues());
queue.Enqueue(7);
Assert.AreEqual("34567", queue.GetValues());
queue.Enqueue(8);
Assert.AreEqual("345678", queue.GetValues());
queue.Enqueue(9);
Assert.AreEqual("3456789", queue.GetValues());
queue.Enqueue(1);
Assert.AreEqual("34567891", queue.GetValues());
queue.Enqueue(2);
Assert.AreEqual("345678912", queue.GetValues());
}