mirror of
https://github.com/zeromq/libzmq.git
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226 lines
6.6 KiB
C++
226 lines
6.6 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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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 sleep_and_execute(void *timers_)
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{
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int timeout = zmq_timers_timeout (timers_);
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// Sleep methods are inaccurate, so we sleep in a loop until time arrived
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while (timeout > 0) {
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msleep (timeout);
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timeout = zmq_timers_timeout(timers_);
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}
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return zmq_timers_execute(timers_);
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}
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void test_null_timer_pointers ()
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{
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void *timers = NULL;
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int rc = zmq_timers_destroy (&timers);
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assert (rc == -1 && errno == EFAULT);
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// TODO this currently triggers an access violation
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#if 0
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rc = zmq_timers_destroy (NULL);
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assert (rc == -1 && errno == EFAULT);
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#endif
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const size_t dummy_interval = 100;
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const int dummy_timer_id = 1;
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rc = zmq_timers_add (timers, dummy_interval, &handler, NULL);
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assert (rc == -1 && errno == EFAULT);
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rc = zmq_timers_add (&timers, dummy_interval, &handler, NULL);
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assert (rc == -1 && errno == EFAULT);
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rc = zmq_timers_cancel (timers, dummy_timer_id);
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assert (rc == -1 && errno == EFAULT);
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rc = zmq_timers_cancel (&timers, dummy_timer_id);
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assert (rc == -1 && errno == EFAULT);
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rc = zmq_timers_set_interval (timers, dummy_timer_id, dummy_interval);
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assert (rc == -1 && errno == EFAULT);
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rc = zmq_timers_set_interval (&timers, dummy_timer_id, dummy_interval);
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assert (rc == -1 && errno == EFAULT);
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rc = zmq_timers_reset (timers, dummy_timer_id);
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assert (rc == -1 && errno == EFAULT);
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rc = zmq_timers_reset (&timers, dummy_timer_id);
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assert (rc == -1 && errno == EFAULT);
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rc = zmq_timers_timeout (timers);
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assert (rc == -1 && errno == EFAULT);
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rc = zmq_timers_timeout (&timers);
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assert (rc == -1 && errno == EFAULT);
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rc = zmq_timers_execute (timers);
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assert (rc == -1 && errno == EFAULT);
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rc = zmq_timers_execute (&timers);
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assert (rc == -1 && errno == EFAULT);
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}
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void test_corner_cases ()
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{
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void *timers = zmq_timers_new ();
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assert (timers);
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const size_t dummy_interval = SIZE_MAX;
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const int dummy_timer_id = 1;
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// attempt to cancel non-existent timer
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int rc = zmq_timers_cancel (timers, dummy_timer_id);
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assert (rc == -1 && errno == EINVAL);
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// attempt to set interval of non-existent timer
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rc = zmq_timers_set_interval (timers, dummy_timer_id, dummy_interval);
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assert (rc == -1 && errno == EINVAL);
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// attempt to reset non-existent timer
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rc = zmq_timers_reset (timers, dummy_timer_id);
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assert (rc == -1 && errno == EINVAL);
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// attempt to add NULL handler
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rc = zmq_timers_add (timers, dummy_interval, NULL, NULL);
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assert (rc == -1 && errno == EFAULT);
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int timer_id = zmq_timers_add (timers, dummy_interval, handler, NULL);
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assert (timer_id != -1);
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// attempt to cancel timer twice
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// TODO should this case really be an error? canceling twice could be allowed
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rc = zmq_timers_cancel (timers, timer_id);
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assert (rc == 0);
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rc = zmq_timers_cancel (timers, timer_id);
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assert (rc == -1 && errno == EINVAL);
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// timeout without any timers active
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rc = zmq_timers_timeout(timers);
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assert (rc == -1);
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rc = zmq_timers_destroy (&timers);
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assert (rc == 0);
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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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long timeout = zmq_timers_timeout(timers);
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assert (rc != -1);
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msleep (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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rc = sleep_and_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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timeout = zmq_timers_timeout (timers);
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assert (rc != -1);
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msleep (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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assert (rc == 0);
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msleep (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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rc = sleep_and_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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rc = zmq_timers_set_interval (timers, timer_id, 50);
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assert (rc == 0);
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rc = sleep_and_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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assert (rc != -1);
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rc = zmq_timers_cancel (timers, timer_id);
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assert (rc == 0);
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msleep (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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test_null_timer_pointers ();
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test_corner_cases ();
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return 0;
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}
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