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libzmq/tests/test_hello_msg.cpp
Luca Boccassi 2ac5ee7307 Problem: test_hello_msg binds to hard-coded port and fails when it's in use
Solution: use the common wildcard bind pattern instead
2020-05-05 14:13:38 +01:00

108 lines
3.3 KiB
C++

/*
Copyright (c) 2007-2020 Contributors as noted in the AUTHORS file
This file is part of libzmq, the ZeroMQ core engine in C++.
libzmq is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
As a special exception, the Contributors give you permission to link
this library with independent modules to produce an executable,
regardless of the license terms of these independent modules, and to
copy and distribute the resulting executable under terms of your choice,
provided that you also meet, for each linked independent module, the
terms and conditions of the license of that module. An independent
module is a module which is not derived from or based on this library.
If you modify this library, you must extend this exception to your
version of the library.
libzmq 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/>.
*/
#include "testutil.hpp"
#include "testutil_unity.hpp"
SETUP_TEARDOWN_TESTCONTEXT
void test (const char *address)
{
// Create a router
void *router = test_context_socket (ZMQ_ROUTER);
char my_endpoint[MAX_SOCKET_STRING];
// set router socket options
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (router, ZMQ_HELLO_MSG, "H", 1));
// bind router
test_bind (router, address, my_endpoint, MAX_SOCKET_STRING);
// Create a dealer
void *dealer = test_context_socket (ZMQ_DEALER);
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer, my_endpoint));
// Receive the hello message
recv_string_expect_success (dealer, "H", 0);
// Clean up.
test_context_socket_close (dealer);
test_context_socket_close (router);
}
void test_tcp ()
{
test ("tcp://127.0.0.1:*");
}
void test_inproc ()
{
test ("inproc://hello-msg");
}
void test_inproc_late_bind ()
{
char address[] = "inproc://late-hello-msg";
// Create a server
void *server = test_context_socket (ZMQ_SERVER);
// set server socket options
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (server, ZMQ_HELLO_MSG, "W", 1));
// Create a dealer
void *client = test_context_socket (ZMQ_CLIENT);
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (client, ZMQ_HELLO_MSG, "H", 1));
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (client, address));
// bind server after the dealer
TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (server, address));
// Receive the welcome message from server
recv_string_expect_success (client, "W", 0);
// Receive the hello message from client
recv_string_expect_success (server, "H", 0);
// Clean up.
test_context_socket_close (client);
test_context_socket_close (server);
}
int main ()
{
setup_test_environment ();
UNITY_BEGIN ();
RUN_TEST (test_tcp);
RUN_TEST (test_inproc);
RUN_TEST (test_inproc_late_bind);
return UNITY_END ();
}