Add test for ZMQ_CONFLATE option

tests/Makefile.am

@@ -31,7 +31,8 @@ noinst_PROGRAMS = test_pair_inproc \
                   test_spec_router \
                   test_spec_pushpull \
                   test_req_request_ids \
-                  test_req_strict
+                  test_req_strict \
+                  test_conflate
 
 if !ON_MINGW
 noinst_PROGRAMS += test_shutdown_stress \
@@ -69,6 +70,7 @@ test_spec_router_SOURCES = test_spec_router.cpp
 test_spec_pushpull_SOURCES = test_spec_pushpull.cpp
 test_req_request_ids_SOURCES = test_req_request_ids.cpp
 test_req_strict_SOURCES = test_req_strict.cpp
+test_conflate_SOURCES = test_conflate.cpp
 if !ON_MINGW
 test_shutdown_stress_SOURCES = test_shutdown_stress.cpp
 test_pair_ipc_SOURCES = test_pair_ipc.cpp testutil.hpp

tests/test_conflate.cpp

@@ -0,0 +1,77 @@
+/*
+    Copyright (c) 2007-2013 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/>.
+*/
+
+#include <stdio.h>
+#include "../include/zmq_utils.h"
+#include "testutil.hpp"
+
+int main (int argc, char *argv [])
+{
+    const char *bind_to = "tcp://127.0.0.1:77008";
+
+    int rc;
+
+    void* ctx = zmq_init (1);
+    assert (ctx);
+
+    void* s_in = zmq_socket (ctx, ZMQ_PULL);
+    assert (s_in);
+
+    int conflate = 1;
+    rc = zmq_setsockopt (s_in, ZMQ_CONFLATE, &conflate, sizeof(conflate));
+    assert (rc == 0);
+
+    rc = zmq_bind (s_in, bind_to);
+    assert (rc == 0);
+
+    void* s_out = zmq_socket (ctx, ZMQ_PUSH);
+    assert (s_out);
+
+    rc = zmq_connect (s_out, bind_to);
+    assert (rc == 0);
+
+    int message_count = 20;
+
+    for (int j = 0; j < message_count; ++j) {
+        rc = zmq_send(s_out, (void*)&j, sizeof(int), 0);
+        if (rc < 0) {
+            printf ("error in zmq_sendmsg: %s\n", zmq_strerror (errno));
+            return -1;
+        }
+    }
+
+    zmq_sleep (1);
+
+    int payload_recved = 0;
+    rc = zmq_recv(s_in, (void*)&payload_recved, sizeof(int), 0);
+    assert (rc > 0);
+    assert (payload_recved == message_count - 1);
+
+
+    rc = zmq_close (s_in);
+    assert (rc == 0);
+
+    rc = zmq_close (s_out);
+    assert (rc == 0);
+
+    rc = zmq_term (ctx);
+    assert (rc == 0);
+
+    return 0;
+}