public void TestPopBack()
{
var list = new DoubleEndedLinkedList <int>();
int[] values = { -4, 3, 5, -6, 3, 5, -20, 0 };
// Push the items from 'values' array to the list
foreach (int val in values)
{
list.PushBack(val);
}
// Repeatedly call PopBack until list gets empty
int i = values.Length - 1;
int expected_size = values.Length;
while (!list.IsEmpty())
{
Assert.AreEqual(expected_size--, list.Size);
Assert.AreEqual(values[i--], list.PopBack());
}
}
public void PopBackThrowsIfCalledOnEmptyList()
{
var list = new DoubleEndedLinkedList <int>();
Assert.Throws <IndexOutOfRangeException>(() => list.PopBack());
}