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

        public static void TrimToSize(int count)
        {
            Queue queue1 = Helpers.CreateIntQueue(count);
            Helpers.PerformActionOnAllQueueWrappers(queue1, queue2 =>
            {
                queue2.TrimToSize();
                Assert.Equal(count, queue2.Count);

                // Can change the queue after trimming
                queue2.Enqueue(100);
                Assert.Equal(count + 1, queue2.Count);
                if (count == 0)
                {
                    Assert.Equal(100, queue2.Dequeue());
                }
                else
                {
                    Assert.Equal(0, queue2.Dequeue());
                }
            });
        }