def test_cut_negative(deck):
assert cut(-4, deck) == [6, 7, 8, 9, 0, 1, 2, 3, 4, 5]
def test_cut_positive(deck):
assert cut(3, deck) == [3, 4, 5, 6, 7, 8, 9, 0, 1, 2]
def test_cut():
deck = deque([0, 1, 2, 3, 4, 5, 6, 7, 8, 9])
assert cut(deck, 3) == deque([3, 4, 5, 6, 7, 8, 9, 0, 1, 2])
def test_cut_inv():
deck = [*range(10)]
n = 3
cut_deck = day22.cut(deck, n)
for pos, card in enumerate(cut_deck):
assert day22.cut_inv(n, len(deck), pos) == card
def test_cut2():
deck = deque([0, 1, 2, 3, 4, 5, 6, 7, 8, 9])
assert cut(deck, -4) == deque([6, 7, 8, 9, 0, 1, 2, 3, 4, 5])