mirror of
https://github.com/kelvinlawson/atomthreads.git
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324 lines
8.8 KiB
C
324 lines
8.8 KiB
C
/*
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* Copyright (c) 2010, Kelvin Lawson. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. No personal names or organizations' names associated with the
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* Atomthreads project may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE ATOMTHREADS PROJECT AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "atom.h"
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#include "atomsem.h"
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#include "atomtests.h"
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/* Test OS objects */
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static ATOM_SEM sem1, sem2;
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/* Forward declarations */
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static void testCallback (POINTER cb_data);
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/**
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* \b test_start
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*
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* Start semaphore test.
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*
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* This test exercises the atomSemGet() and atomSemPut() APIs including
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* forcing the various error indications which can be returned from the
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* APIs to ensure that handling for these corner cases have been correctly
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* implemented.
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*
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* @retval Number of failures
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*/
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uint32_t test_start (void)
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{
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int failures;
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uint8_t status;
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ATOM_TIMER timer_cb;
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/* Default to zero failures */
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failures = 0;
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/* Test semaphore wait timeouts */
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if (atomSemCreate (&sem1, 0) != ATOM_OK)
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{
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ATOMLOG (_STR("Error creating test semaphore 1\n"));
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failures++;
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}
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else
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{
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/* Wait on semaphore with timeout */
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if ((status = atomSemGet (&sem1, SYSTEM_TICKS_PER_SEC)) != ATOM_TIMEOUT)
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{
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ATOMLOG (_STR("Timo %d\n"), status);
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failures++;
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}
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else
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{
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/* Test semaphore still operates correctly after timeout */
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if (atomSemPut (&sem1) != ATOM_OK)
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{
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ATOMLOG (_STR("Put failed\n"));
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failures++;
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}
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else
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{
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/* Count should now be 1 */
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if (atomSemGet (&sem1, 0) != ATOM_OK)
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{
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ATOMLOG (_STR("Get failed\n"));
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failures++;
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}
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else
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{
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/* Delete it, test finished */
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if (atomSemDelete (&sem1) != ATOM_OK)
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{
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ATOMLOG (_STR("Delete failed\n"));
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failures++;
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}
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}
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}
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}
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}
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/* Test semaphore blocks if count is zero */
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if (atomSemCreate (&sem1, 0) != ATOM_OK)
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{
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ATOMLOG (_STR("Error creating test semaphore 1\n"));
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failures++;
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}
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else
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{
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/* Wait on semaphore with timeout */
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if ((status = atomSemGet (&sem1, SYSTEM_TICKS_PER_SEC)) != ATOM_TIMEOUT)
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{
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ATOMLOG (_STR("Timo %d\n"), status);
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failures++;
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}
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else
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{
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/* Delete it, test finished */
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if (atomSemDelete (&sem1) != ATOM_OK)
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{
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ATOMLOG (_STR("Delete failed\n"));
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failures++;
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}
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}
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}
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/* Test semaphore does not block if count is one */
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if (atomSemCreate (&sem1, 1) != ATOM_OK)
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{
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ATOMLOG (_STR("Error creating test semaphore 1\n"));
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failures++;
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}
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else
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{
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/* Wait on semaphore with timeout */
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if ((status = atomSemGet (&sem1, SYSTEM_TICKS_PER_SEC)) != ATOM_OK)
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{
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ATOMLOG (_STR("Get %d\n"), status);
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failures++;
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}
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else
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{
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/* Delete it, test finished */
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if (atomSemDelete (&sem1) != ATOM_OK)
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{
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ATOMLOG (_STR("Delete failed\n"));
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failures++;
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}
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}
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}
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/* Test parameter checks */
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if (atomSemGet (NULL, 0) != ATOM_ERR_PARAM)
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{
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ATOMLOG (_STR("Get param failed\n"));
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failures++;
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}
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if (atomSemPut (NULL) != ATOM_ERR_PARAM)
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{
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ATOMLOG (_STR("Put param failed\n"));
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failures++;
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}
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/* Test atomSemGet() cannot be called from interrupt context */
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if (atomSemCreate (&sem1, 0) != ATOM_OK)
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{
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ATOMLOG (_STR("Error creating test sem1\n"));
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failures++;
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}
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else if (atomSemCreate (&sem2, 0) != ATOM_OK)
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{
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ATOMLOG (_STR("Error creating test sem2\n"));
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failures++;
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}
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else
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{
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/* Fill out the timer callback request structure */
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timer_cb.cb_func = testCallback;
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timer_cb.cb_data = NULL;
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timer_cb.cb_ticks = SYSTEM_TICKS_PER_SEC;
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/* Request the timer callback to run in one second */
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if (atomTimerRegister (&timer_cb) != ATOM_OK)
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{
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ATOMLOG (_STR("Error registering timer\n"));
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failures++;
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}
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/* Wait up to two seconds for sem2 to be posted indicating success */
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else if (atomSemGet (&sem2, 2 * SYSTEM_TICKS_PER_SEC) != ATOM_OK)
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{
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ATOMLOG (_STR("Context check failed\n"));
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failures++;
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}
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/* Delete the two test semaphores */
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if (atomSemDelete (&sem1) != ATOM_OK)
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{
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ATOMLOG (_STR("Sem1 delete failed\n"));
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failures++;
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}
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if (atomSemDelete (&sem2) != ATOM_OK)
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{
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ATOMLOG (_STR("Sem2 delete failed\n"));
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failures++;
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}
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}
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/* Test for ATOM_WOULDBLOCK */
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if (atomSemCreate (&sem1, 0) != ATOM_OK)
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{
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ATOMLOG (_STR("Error creating test sem1\n"));
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failures++;
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}
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else
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{
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/* Semaphore count is zero so will block */
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if ((status = atomSemGet (&sem1, -1)) != ATOM_WOULDBLOCK)
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{
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ATOMLOG (_STR("Wouldblock err %d\n"), status);
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failures++;
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}
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/* Delete the test semaphore */
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if (atomSemDelete (&sem1) != ATOM_OK)
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{
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ATOMLOG (_STR("Sem1 delete failed\n"));
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failures++;
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}
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}
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/* Test no timeout */
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if (atomSemCreate (&sem1, 0) != ATOM_OK)
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{
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ATOMLOG (_STR("Error creating test sem1\n"));
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failures++;
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}
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else
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{
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/* Increment the semaphore */
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if (atomSemPut (&sem1) != ATOM_OK)
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{
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ATOMLOG (_STR("Error on put\n"));
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failures++;
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}
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/* Semaphore count is one so will not block */
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if (atomSemGet (&sem1, -1) != ATOM_OK)
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{
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ATOMLOG (_STR("Error on get\n"));
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failures++;
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}
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/* Delete the test semaphore */
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if (atomSemDelete (&sem1) != ATOM_OK)
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{
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ATOMLOG (_STR("Sem1 delete failed\n"));
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failures++;
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}
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}
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/* Test for semaphore counter overflows with too many puts */
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if (atomSemCreate (&sem1, 255) != ATOM_OK)
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{
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ATOMLOG (_STR("Error creating test sem1\n"));
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failures++;
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}
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else
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{
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/* Increment the semaphore (expect this to overflow the count at 256) */
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if (atomSemPut (&sem1) != ATOM_ERR_OVF)
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{
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ATOMLOG (_STR("Failed to detect overflow\n"));
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failures++;
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}
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/* Delete the test semaphore */
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if (atomSemDelete (&sem1) != ATOM_OK)
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{
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ATOMLOG (_STR("Sem1 delete failed\n"));
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failures++;
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}
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}
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/* Quit */
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return failures;
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}
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/**
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* \b testCallback
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*
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* Attempt an atomSemGet() on sem1 from interrupt context.
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* Should receive an ATOM_ERR_CONTEXT error. Posts sem2 if successful.
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*
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* @param[in] cb_data Not used
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*/
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static void testCallback (POINTER cb_data)
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{
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/* Check the return value from atomSemGet() */
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if (atomSemGet(&sem1, 0) == ATOM_ERR_CONTEXT)
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{
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/* Received the error we expected, post sem2 to notify success */
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atomSemPut(&sem2);
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}
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else
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{
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/*
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* Did not get the expected error, don't post sem2 and the test
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* thread will time out, signifying an error.
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*/
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}
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}
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