def test_rotate_minus_5():
d = DoubleLinkedList([1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
d.rotate(-5)
assert (len(d)) == 10
assert list(d) == [6, 7, 8, 9, 10, 1, 2, 3, 4, 5]
def test_rotate_2():
d = DoubleLinkedList([1, 2, 3, 4, 5, 6])
d.rotate(2)
assert (len(d)) == 6
assert list(d) == [5, 6, 1, 2, 3, 4]
def test_rotate__minus_1():
d = DoubleLinkedList([1, 2, 3, 4])
d.rotate(-1)
assert list(d) == [2, 3, 4, 1]
def test_rotate_1():
d = DoubleLinkedList([1, 2, 3, 4])
d.rotate(1)
assert (len(d)) == 4
assert list(d) == [4, 1, 2, 3]
def test_rotate_minus_5():
d = DoubleLinkedList([1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
d.rotate(-5)
assert (len(d)) == 10
assert list(d) == [6, 7 ,8 , 9, 10, 1, 2, 3, 4, 5]
def test_rotate__minus_1():
d = DoubleLinkedList([1, 2, 3, 4])
d.rotate(-1)
assert list(d) == [2, 3, 4, 1]
def test_rotate_2():
d = DoubleLinkedList([1, 2, 3, 4, 5, 6])
d.rotate(2)
assert (len(d)) == 6
assert list(d) == [5, 6, 1, 2, 3, 4]
def test_rotate_1():
d = DoubleLinkedList([1, 2, 3, 4])
d.rotate(1)
assert (len(d)) == 4
assert list(d) == [4, 1, 2, 3]