test_multibytecodec_support.py 文件源码

def test_streamreader(self):
        UTF8Writer = codecs.getwriter('utf-8')
        for name in ["read", "readline", "readlines"]:
            for sizehint in [None, -1] + list(range(1, 33)) + \
                            [64, 128, 256, 512, 1024]:
                istream = self.reader(BytesIO(self.tstring[0]))
                ostream = UTF8Writer(BytesIO())
                func = getattr(istream, name)
                while 1:
                    data = func(sizehint)
                    if not data:
                        break
                    if name == "readlines":
                        ostream.writelines(data)
                    else:
                        ostream.write(data)

                self.assertEqual(ostream.getvalue(), self.tstring[1])