Method test_zstdfile_truncate

Lib/test/test_zstd.py:2490–2493

(self)

                f.flush(b'456', f.FLUSH_BLOCK)

    def test_zstdfile_truncate(self):
        with ZstdFile(io.BytesIO(), 'w') as f:
            with self.assertRaises(io.UnsupportedOperation):
                f.truncate(200)

    def test_zstdfile_iter_issue45475(self):
        lines = [l for l in ZstdFile(io.BytesIO(COMPRESSED_THIS_FILE))]