srsLTE/lib/test/common/task_scheduler_test.cc

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/*
* Copyright 2013-2020 Software Radio Systems Limited
*
* This file is part of srsLTE.
*
* srsLTE is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* srsLTE 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 Affero General Public License for more details.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
#include "srslte/common/task_scheduler.h"
#include "srslte/common/test_common.h"
enum class task_result { null, internal, external, timer };
int test_task_scheduler_no_pool()
{
srslte::task_scheduler task_sched{5, 0};
task_result state = task_result::null;
// TEST: deferring task does not run the task until the next tic
task_sched.defer_task([&state]() { state = task_result::internal; });
TESTASSERT(state == task_result::null);
task_sched.tic();
TESTASSERT(state == task_result::internal);
// TEST: check delaying of task
state = task_result::null;
int dur = 5;
task_sched.defer_callback(dur, [&state]() { state = task_result::timer; });
for (int i = 0; i < dur; ++i) {
TESTASSERT(state == task_result::null);
task_sched.tic();
}
TESTASSERT(state == task_result::timer);
// TEST: background task is run, despite there are no pool workers
state = task_result::null;
task_sched.enqueue_background_task([&task_sched, &state](uint32_t worker_id) {
task_sched.notify_background_task_result([&state]() { state = task_result::external; });
});
TESTASSERT(state == task_result::null);
task_sched.tic();
TESTASSERT(state == task_result::null);
task_sched.run_next_external_task(); // runs background task
TESTASSERT(state == task_result::null);
task_sched.run_next_external_task(); // runs notification
TESTASSERT(state == task_result::external);
return SRSLTE_SUCCESS;
}
int test_task_scheduler_with_pool()
{
srslte::task_scheduler task_sched{5, 2};
task_result state = task_result::null;
task_sched.enqueue_background_task([&task_sched, &state](uint32_t worker_id) {
task_sched.notify_background_task_result([&state]() { state = task_result::external; });
});
TESTASSERT(state == task_result::null);
task_sched.tic();
TESTASSERT(state == task_result::null);
task_sched.run_next_external_task(); // waits and runs notification
TESTASSERT(state == task_result::external);
return SRSLTE_SUCCESS;
}
int main()
{
TESTASSERT(test_task_scheduler_no_pool() == SRSLTE_SUCCESS);
TESTASSERT(test_task_scheduler_with_pool() == SRSLTE_SUCCESS);
}