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a1f51b695f
Solution: be more explicit in the code, and in the zmq_recv man page (which is the most unobvious case). Assert if length is not zero and buffer is nonetheless null.
129 lines
3.7 KiB
C++
129 lines
3.7 KiB
C++
/*
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Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
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This file is part of libzmq, the ZeroMQ core engine in C++.
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libzmq is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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As a special exception, the Contributors give you permission to link
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this library with independent modules to produce an executable,
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regardless of the license terms of these independent modules, and to
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copy and distribute the resulting executable under terms of your choice,
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provided that you also meet, for each linked independent module, the
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terms and conditions of the license of that module. An independent
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module is a module which is not derived from or based on this library.
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If you modify this library, you must extend this exception to your
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version of the library.
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libzmq is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "testutil.hpp"
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#if defined ZMQ_HAVE_WINDOWS
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#include "windows.hpp"
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#else
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#include <unistd.h>
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#endif
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#include "testutil.hpp"
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void sleep_ (long timeout_)
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{
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#if defined ZMQ_HAVE_WINDOWS
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Sleep (timeout_ > 0 ? timeout_ : INFINITE);
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#elif defined ZMQ_HAVE_ANDROID
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usleep (timeout_ * 1000);
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#else
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usleep (timeout_ * 1000);
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#endif
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}
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void handler (int timer_id, void* arg)
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{
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(void) timer_id; // Stop 'unused' compiler warnings
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*((bool *)arg) = true;
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}
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int main (void)
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{
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setup_test_environment ();
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void* timers = zmq_timers_new ();
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assert (timers);
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bool timer_invoked = false;
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int timer_id = zmq_timers_add (timers, 100, handler, &timer_invoked);
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assert (timer_id);
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// Timer should be invoked yet
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int rc = zmq_timers_execute (timers);
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assert (rc == 0);
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assert (!timer_invoked);
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// Wait half the time and check again
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sleep_ (zmq_timers_timeout (timers) / 2);
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rc = zmq_timers_execute (timers);
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assert (rc == 0);
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assert (!timer_invoked);
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// Wait until the end
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sleep_ (zmq_timers_timeout (timers));
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rc = zmq_timers_execute (timers);
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assert (rc == 0);
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assert (timer_invoked);
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timer_invoked = false;
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// Wait half the time and check again
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long timeout = zmq_timers_timeout (timers);
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sleep_ (timeout / 2);
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rc = zmq_timers_execute (timers);
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assert (rc == 0);
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assert (!timer_invoked);
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// Reset timer and wait half of the time left
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rc = zmq_timers_reset (timers, timer_id);
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sleep_ (timeout / 2);
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rc = zmq_timers_execute (timers);
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assert (rc == 0);
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assert (!timer_invoked);
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// Wait until the end
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sleep_ (zmq_timers_timeout (timers));
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rc = zmq_timers_execute (timers);
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assert (rc == 0);
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assert (timer_invoked);
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timer_invoked = false;
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// reschedule
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zmq_timers_set_interval (timers, timer_id, 50);
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sleep_ (51);
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rc = zmq_timers_execute (timers);
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assert (rc == 0);
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assert (timer_invoked);
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timer_invoked = false;
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// cancel timer
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timeout = zmq_timers_timeout (timers);
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zmq_timers_cancel (timers, timer_id);
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sleep_ (timeout * 2);
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rc = zmq_timers_execute (timers);
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assert (rc == 0);
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assert (!timer_invoked);
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rc = zmq_timers_destroy (&timers);
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assert (rc == 0);
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return 0;
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}
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