Squashed 'libs/libzmq/' content from commit 2b2fb9c7

git-subtree-dir: libs/libzmq git-subtree-split: 2b2fb9c7082dbc16c1323b97040a4edcfa2b997b
2022-10-22 14:31:55 +02:00
commit e988fee167
1118 changed files with 149390 additions and 0 deletions
--- a/tests/test_timeo.cpp
+++ b/tests/test_timeo.cpp
@@ -0,0 +1,85 @@
+/*
+    Copyright (c) 2007-2016 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_timeo ()
+{
+    void *frontend = test_context_socket (ZMQ_DEALER);
+    TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (frontend, "inproc://timeout_test"));
+
+    //  Receive on disconnected socket returns immediately
+    char buffer[32];
+    TEST_ASSERT_FAILURE_ERRNO (EAGAIN,
+                               zmq_recv (frontend, buffer, 32, ZMQ_DONTWAIT));
+
+
+    //  Check whether receive timeout is honored
+    const int timeout = 250;
+    const int jitter = 50;
+    TEST_ASSERT_SUCCESS_ERRNO (
+      zmq_setsockopt (frontend, ZMQ_RCVTIMEO, &timeout, sizeof (int)));
+
+    void *stopwatch = zmq_stopwatch_start ();
+    TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (frontend, buffer, 32, 0));
+    unsigned int elapsed = zmq_stopwatch_stop (stopwatch) / 1000;
+    TEST_ASSERT_GREATER_THAN_INT (timeout - jitter, elapsed);
+    if (elapsed >= timeout + jitter) {
+        // we cannot assert this on a non-RT system
+        fprintf (stderr,
+                 "zmq_recv took quite long, with a timeout of %i ms, it took "
+                 "actually %i ms\n",
+                 timeout, elapsed);
+    }
+
+    //  Check that normal message flow works as expected
+    void *backend = test_context_socket (ZMQ_DEALER);
+    TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (backend, "inproc://timeout_test"));
+    TEST_ASSERT_SUCCESS_ERRNO (
+      zmq_setsockopt (backend, ZMQ_SNDTIMEO, &timeout, sizeof (int)));
+
+    send_string_expect_success (backend, "Hello", 0);
+    recv_string_expect_success (frontend, "Hello", 0);
+
+    //  Clean-up
+    test_context_socket_close (backend);
+    test_context_socket_close (frontend);
+}
+
+int main ()
+{
+    setup_test_environment ();
+
+    UNITY_BEGIN ();
+    RUN_TEST (test_timeo);
+    return UNITY_END ();
+}