def test_slice_end_value(self):
step = 3
lst = [x for x in range(20)]
begin = [0, 3, 6, 9, 12, 15, 18]
end = [3, 6, 9, 12, 15, 18, 20]
generator = _slice(0, 20, step)
for (b1, e1), (b2, e2) in zip(list(zip(begin, end)), generator):
self.assertEqual(lst[b1:e1], lst[b2:e2])
try:
next(generator)
self.fail()
except StopIteration:
self.assertTrue(True)
def test_slice_end_value(self):
step = 3
lst = [ x for x in range(20)]
begin = [0, 3, 6, 9,12,15,18]
end = [3, 6, 9,12,15,18,20]
generator = _slice(0,20,step)
for (b1,e1), (b2,e2) in zip(zip(begin, end), generator):
self.assertEqual(lst[b1:e1], lst[b2:e2])
try:
next(generator)
self.fail()
except StopIteration:
self.assertTrue(True)
def test_slice_middle_values(self):
source = [x for x in range(50)]
lst = [(x, x + 1) for x in range(50)]
for (b1, e1), (b2, e2) in zip(lst, _slice(0, 50, 1)):
self.assertEqual(source[b1:e1], source[b2:e2])
def test_slice_empty_list(self):
for _ in _slice(0, 0, 1):
self.fail()
def test_slice_middle_values(self):
source = [x for x in range(50)]
lst = [(x, x+1) for x in range(50)]
for (b1,e1), (b2,e2) in zip(lst, _slice(0,50,1)):
self.assertEqual(source[b1:e1], source[b2:e2])
def test_slice_empty_list(self):
for _ in _slice(0,0, 1):
self.fail()
