def test_done_all():
counter = [0]
def inc(_):
counter[0] += 1
def dec(_):
counter[0] -= 1
p = Promise()
p.done_all()
p.done_all((inc, dec))
p.done_all([
(inc, dec),
(inc, dec),
{'success': inc, 'failure': dec},
])
p.fulfill(4)
assert_equals(counter[0], 4)
p = Promise()
p.done_all()
p.done_all((inc, dec))
p.done_all([
(inc, dec),
{'success': inc, 'failure': dec},
])
p.reject(Exception())
assert_equals(counter[0], 1)
