public void CheckEnqueue()
{
CustomQueueWithArray<int> queue = new CustomQueueWithArray<int>(10);
queue.EnQueue(2);
int length = queue.Length;
int element = queue.Peek();
Assert.AreEqual(length, 1);
Assert.AreEqual(2, element);
}
public void CheckPeek()
{
CustomQueueWithArray<double> queue = new CustomQueueWithArray<double>(10);
queue.EnQueue(3.14);
queue.EnQueue(6.78);
double element = queue.Peek();
Assert.AreEqual(3.14, element);
Assert.AreEqual(2, queue.Length);
}