def test_multiple_constructor_args():
q = Jqueue(3,1,5,7,9)
assert(q.dequeue() == 3)
assert(q.dequeue() == 1)
assert(q.dequeue() == 5)
assert(q.dequeue() == 7)
assert(q.dequeue() == 9)
def test_enqueue():
q = Jqueue()
q.enqueue(1)
q.enqueue(22)
q.enqueue(333)
q.enqueue(4444)
q.enqueue(55555)
assert(len(q) == 5)
assert(q.dequeue() == 1)
assert(len(q) == 4)
assert(q.dequeue() == 22)
assert(len(q) == 3)
assert(q.dequeue() == 333)
assert(len(q) == 2)
assert(q.dequeue() == 4444)
assert(len(q) == 1)
assert(q.dequeue() == 55555)
def test_one_constructor_arg():
q = Jqueue(7)
assert(q.dequeue() == 7)
def test_empty():
q = Jqueue()
assert(len(q) == 0)
def test_zero_constructor_args():
q = Jqueue()
assert(len(q) == 0)
def test_multiple_args():
q = Jqueue().enqueue(1,2,3)
assert(q.dequeue() == 1)
assert(q.dequeue() == 2)
assert(q.dequeue() == 3)
def test_fluent():
q = Jqueue().enqueue(1).enqueue(2).enqueue(3)
assert(q.dequeue() == 1)
assert(q.dequeue() == 2)
assert(q.dequeue() == 3)