def test_rollover(self): cb = CircularBuffer(5, ['A', 'B', 'C', 'D', 'E']) assert cb.front() == 'A' assert cb.length() == 5 assert cb.is_full() is True cb.enqueue('X') assert cb.front() == 'X' assert cb.length() == 5 assert cb.is_full() is True
def test_is_full(self): c = CircularBuffer(3) assert c.is_full() is False c.enqueue('A') assert c.is_full() is False c.enqueue('B') assert c.is_full() is False c.enqueue('C') assert c.is_full() is True c.dequeue() assert c.is_full() is False
def test_is_full(self): cb = CircularBuffer(3) assert not cb.is_full() cb.enqueue('test') assert not cb.is_full() cb.enqueue('other test') assert not cb.is_full() cb.enqueue(12345) assert cb.is_full() cb.dequeue() assert not cb.is_full()
def test_init(self): c = CircularBuffer(3) assert c.max_size == 3 assert c.size == 0 assert c.start == 0 assert c.end == 0 assert c.is_empty() is True assert c.is_full() is False
def test_enqueue(self): cb = CircularBuffer(4) cb.enqueue(3) assert cb.size == 1 assert len(cb) == 4 assert cb.is_empty() == False cb.enqueue(1) assert cb.size == 2 cb.enqueue(4) assert cb.size == 3 cb.enqueue(1) assert cb.size == 4 assert cb.is_full() == True cb.enqueue(5) assert cb.size == 4
def test_enqueue(self): c = CircularBuffer(3) c.enqueue('A') assert c.size == 1 assert c.start == 0 assert c.end == 1 assert c.front() == 'A' c.enqueue('B') assert c.size == 2 assert c.start == 0 assert c.end == 2 assert c.front() == 'A' c.enqueue('C') assert c.size == 3 assert c.start == 0 assert c.end == 0 assert c.front() == 'A' assert c.is_full() is True with self.assertRaises(ValueError): c.enqueue('D')