Method test_read_write_zero

Lib/test/test_ssl.py:982–991

(self)

        self.assertIn(rc, errors)

    def test_read_write_zero(self):
        # empty reads and writes now work, bpo-42854, bpo-31711
        client_context, server_context, hostname = testing_context()
        server = ThreadedEchoServer(context=server_context)
        with server:
            with client_context.wrap_socket(socket.socket(),
                                            server_hostname=hostname) as s:
                s.connect((HOST, server.port))
                self.assertEqual(s.recv(0), b"")
                self.assertEqual(s.send(b""), 0)


class ContextTests(unittest.TestCase):