test_wave.py 文件源码

def test_it(self, test_rounding=False):
        self.f = wave.open(TESTFN, 'wb')
        self.f.setnchannels(nchannels)
        self.f.setsampwidth(sampwidth)
        if test_rounding:
            self.f.setframerate(framerate - 0.1)
        else:
            self.f.setframerate(framerate)
        self.f.setnframes(nframes)
        output = b'\0' * nframes * nchannels * sampwidth
        self.f.writeframes(output)
        self.f.close()

        self.f = wave.open(TESTFN, 'rb')
        self.assertEqual(nchannels, self.f.getnchannels())
        self.assertEqual(sampwidth, self.f.getsampwidth())
        self.assertEqual(framerate, self.f.getframerate())
        self.assertEqual(nframes, self.f.getnframes())
        self.assertEqual(self.f.readframes(nframes), output)