def test_done():
counter = [0]
e = Event()
def inc(_):
counter[0] += 1
e.set()
def dec(_):
counter[0] -= 1
e.set()
p = Promise()
p.done(inc, dec)
p.done(inc, dec)
p.do_resolve(4)
e.wait()
assert counter[0] == 2
counter = [0]
p = Promise()
e = Event()
p.done(inc, dec)
p.done(inc, dec)
p.do_reject(Exception())
e.wait()
assert counter[0] == -2
def test_done():
counter = [0]
r = Promise()
def inc(_):
counter[0] += 1
def dec(_):
counter[0] -= 1
def end(_):
r.do_resolve(None)
p = Promise()
p.done(inc, dec)
p.done(inc, dec)
p.done(end)
p.do_resolve(4)
Promise.wait(r)
assert counter[0] == 2
r = Promise()
counter = [0]
p = Promise()
p.done(inc, dec)
p.done(inc, dec)
p.done(None, end)
p.do_reject(Exception())
Promise.wait(r)
assert counter[0] == -2
def test_done():
counter = [0]
r = Promise()
def inc(_):
counter[0] += 1
def dec(_):
counter[0] -= 1
def end(_):
r.do_resolve(None)
p = Promise()
p.done(inc, dec)
p.done(inc, dec)
p.done(end)
p.do_resolve(4)
Promise.wait(r)
assert counter[0] == 2
r = Promise()
counter = [0]
p = Promise()
p.done(inc, dec)
p.done(inc, dec)
p.done(None, end)
p.do_reject(Exception())
Promise.wait(r)
assert counter[0] == -2
def test_done():
counter = [0]
def inc(_):
counter[0] += 1
def dec(_):
counter[0] -= 1
p = Promise()
p.done(inc, dec)
p.fulfill(4)
assert counter[0] == 1
p = Promise()
p.done(inc, dec)
p.done(inc, dec)
p.reject(Exception())
assert counter[0] == -1
def test_done():
counter = [0]
def inc(_):
counter[0] += 1
def dec(_):
counter[0] -= 1
p = Promise()
p.done(inc, dec)
p.fulfill(4)
assert counter[0] == 1
p = Promise()
p.done(inc, dec)
p.done(inc, dec)
p.reject(Exception())
assert counter[0] == -1
