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 /* SPDX-License-Identifier: BSD-2-Clause */
 
 /**
  * @file
  *
  * @ingroup RtemsTimerValTimer
  */
 
 /*
  * Copyright (C) 2021 embedded brains GmbH & Co. KG
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
 /*
  * This file is part of the RTEMS quality process and was automatically
  * generated.  If you find something that needs to be fixed or
  * worded better please post a report or patch to an RTEMS mailing list
  * or raise a bug report:
  *
  * https://www.rtems.org/bugs.html
  *
  * For information on updating and regenerating please refer to the How-To
  * section in the Software Requirements Engineering chapter of the
  * RTEMS Software Engineering manual.  The manual is provided as a part of
  * a release.  For development sources please refer to the online
  * documentation at:
  *
  * https://docs.rtems.org
  */
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #include <rtems.h>
 #include <rtems/score/atomic.h>
 
 #include "ts-config.h"
 #include "tx-support.h"
 
 #include <rtems/test.h>
 
 /**
  * @defgroup RtemsTimerValTimer spec:/rtems/timer/val/timer
  *
  * @ingroup TestsuitesValidationNoClock0
  *
  * @brief Tests general timer behaviour.
  *
  * This test case performs the following actions:
  *
  * - Create a couple of timers.
  *
  *   - Schedule some timers at the same time point.
  *
  *   - Fire the timers and check that they fired in the expected order.
  *
  *   - Clean up all used resources.
  *
  * @{
  */
 
 /**
  * @brief Test context for spec:/rtems/timer/val/timer test case.
  */
 typedef struct {
   /**
    * @brief This member contains the timer identifiers.
    */
   rtems_id timer_ids[ TEST_MAXIMUM_TIMERS ];
 
   /**
    * @brief This member contains the counter.
    */
   Atomic_Uint counter;
 
   /**
    * @brief This member contains the timer counter snapshots.
    */
   unsigned int counter_snapshots[ TEST_MAXIMUM_TIMERS ];
 } RtemsTimerValTimer_Context;
 
 static RtemsTimerValTimer_Context
   RtemsTimerValTimer_Instance;
 
 typedef RtemsTimerValTimer_Context Context;
 
 static void Timer( rtems_id timer, void *arg )
 {
   Context      *ctx;
   unsigned int *counter;
 
   ctx = T_fixture_context();
   counter = arg;
   *counter = _Atomic_Fetch_add_uint(
     &ctx->counter,
     1,
     ATOMIC_ORDER_RELAXED
   ) + 1;
 }
 
 static void Fire( Context *ctx, size_t i, rtems_interval ticks )
 {
   rtems_status_code sc;
 
   ctx->counter_snapshots[ i ] = 0;
   sc = rtems_timer_fire_after(
     ctx->timer_ids[ i ],
     ticks,
     Timer,
     &ctx->counter_snapshots[ i ]
   );
   T_rsc_success( sc );
 }
 
 static T_fixture RtemsTimerValTimer_Fixture = {
   .setup = NULL,
   .stop = NULL,
   .teardown = NULL,
   .scope = NULL,
   .initial_context = &RtemsTimerValTimer_Instance
 };
 
 /**
  * @brief Create a couple of timers.
  */
 static void RtemsTimerValTimer_Action_0( RtemsTimerValTimer_Context *ctx )
 {
   rtems_status_code sc;
   size_t            i;
 
   T_assert_eq_sz( TEST_MAXIMUM_TIMERS, 10 );
 
   _Atomic_Init_uint( &ctx->counter, 0 );
 
   for ( i = 0; i < TEST_MAXIMUM_TIMERS ; ++i ) {
     sc = rtems_timer_create(
       rtems_build_name( 'T', 'E', 'S', 'T' ),
       &ctx->timer_ids[ i ]
     );
     T_rsc_success( sc );
   }
 
   /*
    * Schedule some timers at the same time point.
    */
   Fire( ctx, 3, 2 );
   Fire( ctx, 0, 1 );
   Fire( ctx, 7, 3 );
   Fire( ctx, 4, 2 );
   Fire( ctx, 5, 2 );
   Fire( ctx, 8, 3 );
   Fire( ctx, 9, 3 );
   Fire( ctx, 1, 1 );
   Fire( ctx, 2, 1 );
   Fire( ctx, 6, 2 );
 
   /*
    * Fire the timers and check that they fired in the expected order.
    */
   FinalClockTick();
 
   for ( i = 0; i < TEST_MAXIMUM_TIMERS ; ++i ) {
     T_eq_sz( ctx->counter_snapshots[ i ], i + 1 );
   }
 
   /*
    * Clean up all used resources.
    */
   for ( i = 0; i < TEST_MAXIMUM_TIMERS ; ++i ) {
     sc = rtems_timer_delete( ctx->timer_ids[ i ] );
     T_rsc_success( sc );
   }
 }
 
 /**
  * @fn void T_case_body_RtemsTimerValTimer( void )
  */
 T_TEST_CASE_FIXTURE( RtemsTimerValTimer, &RtemsTimerValTimer_Fixture )
 {
   RtemsTimerValTimer_Context *ctx;
 
   ctx = T_fixture_context();
 
   RtemsTimerValTimer_Action_0( ctx );
 }
 
 /** @} */

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