def test_iter():
q = Queue()
list = [i for i in range(10)]
for i in list:
q.queue(i)
new_list = [i for i in q]
assert q.is_empty()
assert list == new_list
def test_iter2():
q = Queue()
r = Queue()
list = [i for i in range(10)]
for i in list:
r.queue(i)
assert not r.is_empty()
for i in r:
q.queue(i)
assert r.is_empty()
assert not q.is_empty()
new_list = [i for i in q]
assert q.is_empty()
assert list == new_list
def test_queue_more():
q = Queue()
q.queue(1)
q.queue('true')
q.queue(True)
assert q.dequeue() == 1
assert q.dequeue() == 'true'
assert q.dequeue() == True
assert q.is_empty()
def test_queue_one():
q = Queue()
q.queue(1)
assert not q.is_empty()
assert q.dequeue() == 1
assert q.is_empty()
def test_queue_none():
q = Queue()
q.queue(None)
assert not q.is_empty()
assert q.dequeue() is None
assert q.is_empty()