test_audioop.py 文件源码

def test_avg(self):
        for w in 1, 2, 4:
            self.assertEqual(audioop.avg(b'', w), 0)
            p = packs[w]
            self.assertEqual(audioop.avg(p(5), w), 5)
            self .assertEqual(audioop.avg(p(5, 8), w), 6)
            self.assertEqual(audioop.avg(p(5, -8), w), -2)
            self.assertEqual(audioop.avg(p(maxvalues[w], maxvalues[w]), w),
                             maxvalues[w])
            self.assertEqual(audioop.avg(p(minvalues[w], minvalues[w]), w),
                             minvalues[w])
        self.assertEqual(audioop.avg(packs[4](0x50000000, 0x70000000), 4),
                         0x60000000)
        self.assertEqual(audioop.avg(packs[4](-0x50000000, -0x70000000), 4),
                         -0x60000000)