test_audioop.py 文件源码

def test_lin2adpcm(self):
        self.assertEqual(audioop.lin2adpcm(datas[1], 1, None),
                         (b'\x07\x7f\x7f', (-221, 39)))
        self.assertEqual(audioop.lin2adpcm(bytearray(datas[1]), 1, None),
                         (b'\x07\x7f\x7f', (-221, 39)))
        self.assertEqual(audioop.lin2adpcm(memoryview(datas[1]), 1, None),
                         (b'\x07\x7f\x7f', (-221, 39)))
        for w in 2, 3, 4:
            self.assertEqual(audioop.lin2adpcm(datas[w], w, None),
                             (b'\x07\x7f\x7f', (31, 39)))

        # Very cursory test
        for w in 1, 2, 3, 4:
            self.assertEqual(audioop.lin2adpcm(b'\0' * w * 10, w, None),
                             (b'\0' * 5, (0, 0)))