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Diffstat (limited to 'tests/testutil.hpp')
-rw-r--r-- | tests/testutil.hpp | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/tests/testutil.hpp b/tests/testutil.hpp new file mode 100644 index 0000000..7f182c1 --- /dev/null +++ b/tests/testutil.hpp @@ -0,0 +1,130 @@ +/* + Copyright (c) 2007-2011 iMatix Corporation + Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file + + This file is part of 0MQ. + + 0MQ is free software; you can redistribute it and/or modify it under + the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + 0MQ is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef __ZMQ_TEST_TESTUTIL_HPP_INCLUDED__ +#define __ZMQ_TEST_TESTUTIL_HPP_INCLUDED__ + +#include <assert.h> +#include <iostream> +#include <string> +#include <utility> + +#include "../include/zmq.hpp" + +namespace zmqtestutil +{ + + using namespace std ; + + typedef std::pair <zmq::socket_t*, zmq::socket_t*> socket_pair; + + // Create a pair of sockets connected to each other. + socket_pair create_bound_pair (zmq::context_t *context_, + int t1_, int t2_, const char *transport_) + { + zmq::socket_t *s1 = new zmq::socket_t (*context_, t1_); + zmq::socket_t *s2 = new zmq::socket_t (*context_, t2_); + s1->bind (transport_); + s2->connect (transport_); + return socket_pair (s1, s2); + } + + // Send a message from one socket in the pair to the other and back. + std::string ping_pong (const socket_pair &sp_, const std::string &orig_msg_) + { + zmq::socket_t &s1 = *sp_.first; + zmq::socket_t &s2 = *sp_.second; + + // Construct message to send. + zmq::message_t ping (orig_msg_.size ()); + memcpy (ping.data (), orig_msg_.c_str (), orig_msg_.size ()); + + // Send ping out. + s1.send (ping, 0); + + // Get pong from connected socket. + zmq::message_t pong; + s2.recv (&pong, 0); + + // Send message via s2, so state is clean in case of req/rep. + std::string ret ((char*) pong.data(), pong.size ()); + s2.send (pong, 0); + + // Return received data as std::string. + return ret ; + } + + /* Run basic tests for the given transport. + + Basic tests are: + * ping pong as defined above. + * send receive where the receive is signalled by zmq::poll + */ + void basic_tests (const char *transport_, int t1_, int t2_) + { + zmq::context_t context (1); + + zmq::pollitem_t items [2]; + socket_pair p = create_bound_pair (&context, t1_, t2_, transport_); + + // First test simple ping pong. + const string expect ("XXX"); + + { + const string returned = zmqtestutil::ping_pong (p, expect); + assert (expect == returned); + + // Adjust socket state so that poll shows only 1 pending message. + zmq::message_t mx ; + p.first->recv (&mx, 0); + } + + { + // Now poll is used to singal that a message is ready to read. + zmq::message_t m1 (expect.size ()); + memcpy (m1.data (), expect.c_str (), expect.size ()); + items [0].socket = *p.first; + items [0].fd = 0; + items [0].events = ZMQ_POLLIN; + items [0].revents = 0; + items [1].socket = *p.second; + items [1].fd = 0; + items [1].events = ZMQ_POLLIN; + items [1].revents = 0; + + p.first->send (m1, 0); + + int rc = zmq::poll (&items [0], 2, -1); + assert (rc == 1); + assert ((items [1].revents & ZMQ_POLLIN) != 0); + + zmq::message_t m2; + p.second->recv (&m2, 0); + const string ret ((char*) m2.data (), m2.size ()); + assert (expect == ret); + } + + // Delete sockets. + delete (p.first); + delete (p.second); + } +} + +#endif |