Method test_open_prefix

Lib/test/test_zstd.py:2650–2657

(self)

            open(bi, 'w', zstd_dict=b'1234567890')

    def test_open_prefix(self):
        bi = io.BytesIO()
        with open(bi, 'w', zstd_dict=TRAINED_DICT.as_prefix) as f:
            f.write(SAMPLES[0])
        bi.seek(0)
        with open(bi, zstd_dict=TRAINED_DICT.as_prefix) as f:
            dat = f.read()
        self.assertEqual(dat, SAMPLES[0])

    def test_buffer_protocol(self):
        # don't use len() for buffer protocol objects