public void CopyToArray()
{
var arr = new int[5];
for (int i = 1; i <= 5; i++)
{
circularDoublyLinkedList.AddLast(i);
}
circularDoublyLinkedList.CopyTo(arr, 0);
Assert.AreEqual(arr[0], 1, "invalid first item");
Assert.AreEqual(arr[4], 5, "invalid last item");
}
public override void CopyTo(T[] array, int index)
{
if (array == null)
{
throw new ArgumentNullException(nameof(array));
}
if (index < 0 || index > array.Length)
{
throw new ArgumentOutOfRangeException(nameof(index));
}
if (array.Length - index < items.Count())
{
throw new ArgumentException(nameof(index));
}
items.CopyTo(array, index);
}
