def test_iteration_unsupported_sizing():
for i in iteration(x for x in itertools.count()):
assert i.first
with pytest.raises(NotImplementedError):
i.last # pylint: disable=pointless-statement
assert i.last_counter0 is None
assert i.last_counter1 is None
break
def test_iteration_unsupported_sizing():
for i in iteration(x for x in itertools.count()):
assert i.first
with pytest.raises(NotImplementedError):
i.last
assert i.last_counter0 is None
assert i.last_counter1 is None
break
def test_iteration(objects):
for index, i in enumerate(iteration(objects)):
assert i.last_counter0 + 1 == i.last_counter1 == i.total
assert i.counter0 == index
assert i.counter1 == index + 1
if index == 0:
assert i.first
else:
assert not i.first
assert i.element is objects[index]
assert index <= len(objects) - 1
if index == len(objects) - 1:
assert i.last
else:
assert not i.last
def test_iteration(objects):
for index, i in enumerate(iteration(objects)):
assert i.last_counter0 + 1 == i.last_counter1 == i.total
assert i.counter0 == index
assert i.counter1 == index + 1
if index == 0:
assert i.first
else:
assert not i.first
assert i.element is objects[index]
assert index <= len(objects) - 1
if index == len(objects) - 1:
assert i.last
else:
assert not i.last
def test_iteration_unpacking(objects):
for index, (i, obj) in enumerate(iteration(objects)):
assert index == i.counter0
assert obj is i.element
assert obj is objects[i.counter0]
def test_iteration_unpacking(objects):
for index, (i, obj) in enumerate(iteration(objects)):
assert index == i.counter0
assert obj is i.element
assert obj is objects[i.counter0]
