def test_none_list(self):
assert not linear.contains(None, 100)
def test_empty_list(self):
assert not linear.contains([], 100)
def test_return_false(self):
assert not linear.contains([1, 2], 3)
def test_a_large_lists(self):
for size in range(1, 100):
c = [random.randint(1, 1000) for _ in range(size)]
assert linear.contains(c, c[size-1])
def test_return_true(self):
assert linear.contains([1, 4], 4)