def test_pop():
dl = DiskList(range(10))
assert dl.pop() == 9
assert dl.pop(0) == 0
assert dl.pop(-2) == 7
assert dl.pop(4) == 5
dl.destroy()
def test_pop_indexerror3():
dl = DiskList()
dl.pop()
dl.destroy()
def test_pop_indexerror2():
dl = DiskList(range(10))
dl.pop(10)
dl.destroy()
