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from circular_queue import circular_queue


def test_queue_average():
    a = circular_queue(50)
    a.add(1)
    a.add(2)
    a.add(3)
    assert a.average() == 2


def test_queue_average_null():
    a = circular_queue(50)
    assert a.average() == 0


def test_queue_average_size():
    a = circular_queue(50)
    print(len(a.queue))
    a.average()
    print(len(a.queue))
    assert len(a.queue) == 50


def test_queue_circle():
    a = circular_queue(20)
    for i in range(0, 2000):
        a.add(1)
    assert a.average() == 1