System.Collections.Tests.QueueTests.CopyTo_DequeueThenEnqueue C# (CSharp) Method

        public static void CopyTo_DequeueThenEnqueue()
        {
            var queue1 = new Queue(100);
            // Insert 50 items in the Queue
            for (int i = 0; i < 50; i++)
            {
                queue1.Enqueue(i);
            }

            // Insert and Remove 75 items in the Queue. This should wrap the queue 
            // where there is 25 at the end of the array and 25 at the beginning
            for (int i = 0; i < 75; i++)
            {
                queue1.Enqueue(i + 50);
                queue1.Dequeue();
            }

            var array = new object[queue1.Count];
            queue1.CopyTo(array, 0);
            Assert.Equal(queue1.Count, array.Length);
            for (int i = 0; i < queue1.Count; i++)
            {
                Assert.Equal(queue1.Dequeue(), array[i]);
            }
        }