def test_getitem_slice():
random.seed(0)
dl = DiskList()
lst = list()
for rpt in range(100):
val = random.random()
dl.append(val)
lst.append(val)
lst.sort()
dl.sort()
assert all(dl[start:] == lst[start:] for start in [-75, -25, 0, 25, 75])
assert all(dl[:stop] == lst[:stop] for stop in [-75, -25, 0, 25, 75])
assert all(dl[::step] == lst[::step] for step in [-5, -1, 1, 5])
assert all(dl[start:stop] == lst[start:stop]
for start in [-75, -25, 0, 25, 75]
for stop in [-75, -25, 0, 25, 75])
assert all(dl[:stop:step] == lst[:stop:step]
for stop in [-75, -25, 0, 25, 75] for step in [-5, -1, 1, 5])
assert all(dl[start::step] == lst[start::step]
for start in [-75, -25, 0, 25, 75] for step in [-5, -1, 1, 5])
assert all(dl[start:stop:step] == lst[start:stop:step]
for start in [-75, -25, 0, 25, 75]
for stop in [-75, -25, 0, 25, 75] for step in [-5, -1, 1, 5])
dl.destroy()
def test_sort():
dl = DiskList([5, 4, 3, 2, 1])
dl.sort()
assert dl[0] == 1 and dl[4] == 5
dl.destroy()
