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 /* SPDX-License-Identifier: BSD-2-Clause */
 
 /**
  * @file
  *
  * @ingroup RtemsMessageReqReceive
  */
 
 /*
  * 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/statesimpl.h>
 
 #include "tr-tq-enqueue-fifo.h"
 #include "tr-tq-enqueue-priority.h"
 #include "tx-support.h"
 #include "tx-thread-queue.h"
 
 #include <rtems/test.h>
 
 /**
  * @defgroup RtemsMessageReqReceive spec:/rtems/message/req/receive
  *
  * @ingroup TestsuitesValidationNoClock0
  *
  * @{
  */
 
 typedef enum {
   RtemsMessageReqReceive_Pre_Buffer_Valid,
   RtemsMessageReqReceive_Pre_Buffer_Null,
   RtemsMessageReqReceive_Pre_Buffer_NA
 } RtemsMessageReqReceive_Pre_Buffer;
 
 typedef enum {
   RtemsMessageReqReceive_Pre_Size_Valid,
   RtemsMessageReqReceive_Pre_Size_Null,
   RtemsMessageReqReceive_Pre_Size_NA
 } RtemsMessageReqReceive_Pre_Size;
 
 typedef enum {
   RtemsMessageReqReceive_Pre_Id_Valid,
   RtemsMessageReqReceive_Pre_Id_Invalid,
   RtemsMessageReqReceive_Pre_Id_NA
 } RtemsMessageReqReceive_Pre_Id;
 
 typedef enum {
   RtemsMessageReqReceive_Pre_DuringWait_Nop,
   RtemsMessageReqReceive_Pre_DuringWait_Deleted,
   RtemsMessageReqReceive_Pre_DuringWait_NA
 } RtemsMessageReqReceive_Pre_DuringWait;
 
 typedef enum {
   RtemsMessageReqReceive_Pre_TaskQueue_Fifo,
   RtemsMessageReqReceive_Pre_TaskQueue_Priority,
   RtemsMessageReqReceive_Pre_TaskQueue_NA
 } RtemsMessageReqReceive_Pre_TaskQueue;
 
 typedef enum {
   RtemsMessageReqReceive_Pre_Wait_No,
   RtemsMessageReqReceive_Pre_Wait_Timeout,
   RtemsMessageReqReceive_Pre_Wait_Forever,
   RtemsMessageReqReceive_Pre_Wait_NA
 } RtemsMessageReqReceive_Pre_Wait;
 
 typedef enum {
   RtemsMessageReqReceive_Pre_MsgQueue_Empty,
   RtemsMessageReqReceive_Pre_MsgQueue_One,
   RtemsMessageReqReceive_Pre_MsgQueue_Several,
   RtemsMessageReqReceive_Pre_MsgQueue_NA
 } RtemsMessageReqReceive_Pre_MsgQueue;
 
 typedef enum {
   RtemsMessageReqReceive_Pre_Storage_Nop,
   RtemsMessageReqReceive_Pre_Storage_NA
 } RtemsMessageReqReceive_Pre_Storage;
 
 typedef enum {
   RtemsMessageReqReceive_Post_Status_Ok,
   RtemsMessageReqReceive_Post_Status_InvId,
   RtemsMessageReqReceive_Post_Status_InvAddr,
   RtemsMessageReqReceive_Post_Status_Unsat,
   RtemsMessageReqReceive_Post_Status_Timeout,
   RtemsMessageReqReceive_Post_Status_Deleted,
   RtemsMessageReqReceive_Post_Status_NA
 } RtemsMessageReqReceive_Post_Status;
 
 typedef enum {
   RtemsMessageReqReceive_Post_Delay_None,
   RtemsMessageReqReceive_Post_Delay_Ticks,
   RtemsMessageReqReceive_Post_Delay_Forever,
   RtemsMessageReqReceive_Post_Delay_NA
 } RtemsMessageReqReceive_Post_Delay;
 
 typedef enum {
   RtemsMessageReqReceive_Post_Size_First,
   RtemsMessageReqReceive_Post_Size_Nop,
   RtemsMessageReqReceive_Post_Size_NA
 } RtemsMessageReqReceive_Post_Size;
 
 typedef enum {
   RtemsMessageReqReceive_Post_Msg_First,
   RtemsMessageReqReceive_Post_Msg_Nop,
   RtemsMessageReqReceive_Post_Msg_NA
 } RtemsMessageReqReceive_Post_Msg;
 
 typedef enum {
   RtemsMessageReqReceive_Post_MsgQueue_Empty,
   RtemsMessageReqReceive_Post_MsgQueue_OneLess,
   RtemsMessageReqReceive_Post_MsgQueue_Nop,
   RtemsMessageReqReceive_Post_MsgQueue_NA
 } RtemsMessageReqReceive_Post_MsgQueue;
 
 typedef enum {
   RtemsMessageReqReceive_Post_Tasks_Fifo,
   RtemsMessageReqReceive_Post_Tasks_Priority,
   RtemsMessageReqReceive_Post_Tasks_NA
 } RtemsMessageReqReceive_Post_Tasks;
 
 typedef struct {
   uint32_t Skip : 1;
   uint32_t Pre_Buffer_NA : 1;
   uint32_t Pre_Size_NA : 1;
   uint32_t Pre_Id_NA : 1;
   uint32_t Pre_DuringWait_NA : 1;
   uint32_t Pre_TaskQueue_NA : 1;
   uint32_t Pre_Wait_NA : 1;
   uint32_t Pre_MsgQueue_NA : 1;
   uint32_t Pre_Storage_NA : 1;
   uint32_t Post_Status : 3;
   uint32_t Post_Delay : 2;
   uint32_t Post_Size : 2;
   uint32_t Post_Msg : 2;
   uint32_t Post_MsgQueue : 2;
   uint32_t Post_Tasks : 2;
 } RtemsMessageReqReceive_Entry;
 
 #define MAXIMUM_PENDING_MESSAGES 3
 #define MAXIMUM_MESSAGE_SIZE 5
 
 /**
  * @brief Test context for spec:/rtems/message/req/receive test case.
  */
 typedef struct {
   /**
    * @brief This member contains the thread queue test context.
    */
   TQContext tq_ctx;
 
   /**
    * @brief This member specifies the attribute set of the message queue.
    */
   rtems_attribute attribute_set;
 
   /**
    * @brief This member is used as storage area for the message queue.
    */
   RTEMS_MESSAGE_QUEUE_BUFFER( MAXIMUM_MESSAGE_SIZE )
     storage_area[ MAXIMUM_PENDING_MESSAGES];
 
   /**
    * @brief This member contains always the same arbitrary number ``magic``.
    *
    * It is used for run-time type checking.
    */
   uint32_t magic;
 
   /**
    * @brief This member contains a number which is sent as next message.
    */
   uint8_t send_msg_counter;
 
   /**
    * @brief This member contains a buffer to receive messages from the queue.
    */
   uint8_t receive_buffer[ MAXIMUM_MESSAGE_SIZE ];
 
   /**
    * @brief This member contains a buffer to receive the messages size.
    */
   size_t receive_size;
 
   /**
    * @brief This member specifies the ``id`` parameter for the action.
    */
   rtems_id id_param;
 
   /**
    * @brief This member specifies the ``buffer`` parameter for the action.
    */
   void *buffer_param;
 
   /**
    * @brief This member specifies the ``size`` parameter for the action.
    */
   size_t *size_param;
 
   /**
    * @brief This member specifies the ``option_set`` parameter for the action.
    */
   rtems_option option_set_param;
 
   /**
    * @brief This member specifies the ``timeout`` parameter for the action.
    */
   rtems_interval timeout_param;
 
   /**
    * @brief This member contains the returned status code of the action.
    */
   rtems_status_code status;
 
   /**
    * @brief This member contains the duration of the action in ticks.
    */
   uint32_t action_duration;
 
   /**
    * @brief This member contains the task identifier of the main task.
    */
   rtems_id task_id;
 
   /**
    * @brief This member contains the task identifier of the worker task.
    */
   rtems_id worker_id;
 
   /**
    * @brief This member contains a pointer to a function which is executed
    *   while the worker is waiting to receive a message (`delete(), nop()``).
    */
   void (*concurrent_activity)( void *ctx_in );
 
   /**
    * @brief This member contains a pointer to a function which is executed to
    *   check that the action has not changed the content of the message queue.
    */
   void (*check_msgq_unchanged)( void *ctx_in );
 
   struct {
     /**
      * @brief This member defines the pre-condition states for the next action.
      */
     size_t pcs[ 8 ];
 
     /**
      * @brief If this member is true, then the test action loop is executed.
      */
     bool in_action_loop;
 
     /**
      * @brief This member contains the next transition map index.
      */
     size_t index;
 
     /**
      * @brief This member contains the current transition map entry.
      */
     RtemsMessageReqReceive_Entry entry;
 
     /**
      * @brief If this member is true, then the current transition variant
      *   should be skipped.
      */
     bool skip;
   } Map;
 } RtemsMessageReqReceive_Context;
 
 static RtemsMessageReqReceive_Context
   RtemsMessageReqReceive_Instance;
 
 static const char * const RtemsMessageReqReceive_PreDesc_Buffer[] = {
   "Valid",
   "Null",
   "NA"
 };
 
 static const char * const RtemsMessageReqReceive_PreDesc_Size[] = {
   "Valid",
   "Null",
   "NA"
 };
 
 static const char * const RtemsMessageReqReceive_PreDesc_Id[] = {
   "Valid",
   "Invalid",
   "NA"
 };
 
 static const char * const RtemsMessageReqReceive_PreDesc_DuringWait[] = {
   "Nop",
   "Deleted",
   "NA"
 };
 
 static const char * const RtemsMessageReqReceive_PreDesc_TaskQueue[] = {
   "Fifo",
   "Priority",
   "NA"
 };
 
 static const char * const RtemsMessageReqReceive_PreDesc_Wait[] = {
   "No",
   "Timeout",
   "Forever",
   "NA"
 };
 
 static const char * const RtemsMessageReqReceive_PreDesc_MsgQueue[] = {
   "Empty",
   "One",
   "Several",
   "NA"
 };
 
 static const char * const RtemsMessageReqReceive_PreDesc_Storage[] = {
   "Nop",
   "NA"
 };
 
 static const char * const * const RtemsMessageReqReceive_PreDesc[] = {
   RtemsMessageReqReceive_PreDesc_Buffer,
   RtemsMessageReqReceive_PreDesc_Size,
   RtemsMessageReqReceive_PreDesc_Id,
   RtemsMessageReqReceive_PreDesc_DuringWait,
   RtemsMessageReqReceive_PreDesc_TaskQueue,
   RtemsMessageReqReceive_PreDesc_Wait,
   RtemsMessageReqReceive_PreDesc_MsgQueue,
   RtemsMessageReqReceive_PreDesc_Storage,
   NULL
 };
 
 typedef RtemsMessageReqReceive_Context Context;
 static const uint32_t        magic = 0xA55CA3D1; /* an arbitrary number */
 static const rtems_interval  timeout_ticks = 3;
 static const rtems_event_set wake_main_task_event = RTEMS_EVENT_17;
 
 static void DoAction( void *ctx_in )
 {
   Context *ctx = ctx_in;
   ctx->status = rtems_message_queue_receive(
     ctx->id_param,
     ctx->buffer_param,
     ctx->size_param,
     ctx->option_set_param,
     ctx->timeout_param
   );
 }
 
 static void WorkerTask( rtems_task_argument argument )
 {
   Context *ctx = (Context *) argument;
   if ( ctx != NULL ) {
     T_assert_eq_u32( ctx->magic, magic ); /* Run-time type check */
     DoAction( ctx );
     T_rsc_success( rtems_event_send( ctx->task_id, wake_main_task_event ) );
   }
   T_rsc_success( rtems_task_suspend( RTEMS_SELF ) );
 }
 
 static void WorkerDoAction( void *ctx_in )
 {
   rtems_status_code status;
   Context *ctx = ctx_in;
   T_assert_eq_u32( ctx->magic, magic ); /* Run-time type check */
   status = rtems_task_restart( ctx->worker_id, (rtems_task_argument) ctx );
   T_rsc_success( status );
 }
 
 static uint32_t WaitForWorker( Context *ctx )
 {
   uint32_t ticks_to_wait = timeout_ticks + 1;
   rtems_status_code status;
   rtems_event_set event_set;
 
    for ( ; ticks_to_wait > 0; --ticks_to_wait ) {
     /* Check whether the worker finished executing the action */
     status = rtems_event_receive(
       RTEMS_PENDING_EVENTS,
       RTEMS_NO_WAIT | RTEMS_EVENT_ANY,
       RTEMS_NO_TIMEOUT,
       &event_set
     );
     T_rsc_success( status );
 
     if ( ( event_set & wake_main_task_event ) == wake_main_task_event ) {
       break;
     }
     TimecounterTick();
   }
 
   if ( ctx->timeout_param != RTEMS_NO_TIMEOUT ) {
     /* Wait till the worker task finishes */
     status = rtems_event_receive(
       wake_main_task_event,
       RTEMS_DEFAULT_OPTIONS,
       RTEMS_NO_TIMEOUT,
       &event_set
     );
   T_rsc_success( status );
   }
 
   return timeout_ticks + 1 - ticks_to_wait;
 }
 
 static void MessageQueueSetup( Context *ctx )
 {
   rtems_status_code status;
   /* Sanity check: Make sure the message queue does not exist, yet. */
   T_assert_eq_u32( ctx->tq_ctx.thread_queue_id, RTEMS_ID_NONE );
   rtems_message_queue_config config = {
     .name = rtems_build_name( 'M', 'S', 'G', 'Q' ),
     .maximum_pending_messages = MAXIMUM_PENDING_MESSAGES,
     .maximum_message_size = MAXIMUM_MESSAGE_SIZE,
     .storage_area = ctx->storage_area,
     .storage_size = sizeof( ctx->storage_area ),
     .storage_free = NULL,
     .attributes = ctx->attribute_set
   };
 
   status = rtems_message_queue_construct(
     &config,
     &ctx->tq_ctx.thread_queue_id
   );
   T_rsc_success( status );
 
   if ( ctx->id_param != RTEMS_ID_NONE ) {
     ctx->id_param = ctx->tq_ctx.thread_queue_id;
   }
 }
 
 static void MessageQueueTeardown( Context *ctx )
 {
   rtems_status_code status;
   if ( ctx->tq_ctx.thread_queue_id != RTEMS_ID_NONE ) {
     status = rtems_message_queue_delete( ctx->tq_ctx.thread_queue_id );
     T_rsc_success( status );
     ctx->tq_ctx.thread_queue_id = RTEMS_ID_NONE;
   }
 }
 
 static void CheckForNoMessage(
   rtems_status_code status,
   uint8_t *message_buffer,
   size_t message_size
 )
 {
   (void) message_buffer;
   (void) message_size;
   T_rsc( status, RTEMS_UNSATISFIED  );
 }
 
 static void CheckForFirstMessage(
   rtems_status_code status,
   uint8_t *message_buffer,
   size_t message_size
 )
 {
   T_rsc_success( status );
   T_eq_u32( message_size, 1 );
   T_eq_u8( message_buffer[0], 0 );
 }
 
 static void CheckForSecondMessage(
   rtems_status_code status,
   uint8_t *message_buffer,
   size_t message_size
 )
 {
   T_rsc_success( status );
   T_eq_u32( message_size, 3 );
   T_eq_u8( message_buffer[0], 1 );
   T_eq_u8( message_buffer[1], 1 );
   T_eq_u8( message_buffer[2], 1 );
 }
 
 static void CheckForThirdMessage(
   rtems_status_code status,
   uint8_t *message_buffer,
   size_t message_size
 )
 {
   T_rsc_success( status );
   T_eq_u32( message_size, 5 );
   T_eq_u8( message_buffer[0], 2 );
   T_eq_u8( message_buffer[1], 2 );
   T_eq_u8( message_buffer[2], 2 );
   T_eq_u8( message_buffer[3], 2 );
   T_eq_u8( message_buffer[4], 2 );
 }
 
 static void PopMessage(
   Context *ctx,
   void (*check_fn)(
     rtems_status_code status,
     uint8_t *message_buffer,
     size_t message_size
   )
 )
 {
   rtems_status_code status;
   uint8_t message_buffer[ MAXIMUM_MESSAGE_SIZE ];
   size_t message_size;
 
   status = rtems_message_queue_receive(
     ctx->tq_ctx.thread_queue_id,
     &message_buffer,
     &message_size,
     RTEMS_LOCAL | RTEMS_NO_WAIT,
     RTEMS_NO_TIMEOUT
   );
 
  check_fn( status, message_buffer, message_size );
 }
 
 static void CheckForNoMessageInQueue( void *ctx_in )
 {
   Context *ctx = ctx_in;
   T_assert_eq_u32( ctx->magic, magic ); /* Run-time type check */
   PopMessage( ctx, CheckForNoMessage );
 }
 
 static void CheckForOneMessageInQueue( void *ctx_in )
 {
   Context *ctx = ctx_in;
   T_assert_eq_u32( ctx->magic, magic ); /* Run-time type check */
   PopMessage( ctx, CheckForFirstMessage );
   PopMessage( ctx, CheckForNoMessage );
 }
 
 static void CheckForSeveralMessagesInQueue( void *ctx_in )
 {
   Context *ctx = ctx_in;
   T_assert_eq_u32( ctx->magic, magic ); /* Run-time type check */
   PopMessage( ctx, CheckForFirstMessage );
   PopMessage( ctx, CheckForSecondMessage );
   PopMessage( ctx, CheckForThirdMessage );
   PopMessage( ctx, CheckForNoMessage );
 }
 
 static void MessageQueueNop( void *ctx_in )
 {
   (void) ctx_in;
 }
 
 static void MessageQueueDelete( void *ctx_in )
 {
   Context *ctx = ctx_in;
   T_assert_eq_u32( ctx->magic, magic ); /* Run-time type check */
   MessageQueueTeardown( ctx );
 }
 
 static Context *ToContext( TQContext *tqctx )
 {
   Context *ctx = RTEMS_CONTAINER_OF( tqctx, Context, tq_ctx );
   T_assert_eq_u32( ctx->magic, magic ); /* Run-time type check */
   return ctx;
 }
 
 static Status_Control ReceiveMsg( TQContext *tqctx, TQWait wait )
 {
   Context *ctx = ToContext( tqctx );
   rtems_status_code status;
   rtems_option option_set;
   rtems_interval timeout;
 
   switch ( wait ) {
     case TQ_WAIT_FOREVER:
       option_set = RTEMS_WAIT;
       timeout = RTEMS_NO_TIMEOUT;
       break;
     case TQ_WAIT_TIMED:
       option_set = RTEMS_WAIT;
       timeout = UINT32_MAX;
       break;
     default:
       option_set = RTEMS_NO_WAIT;
       timeout = 0;
       break;
   }
 
   status = rtems_message_queue_receive(
     ctx->tq_ctx.thread_queue_id,
     ctx->receive_buffer,
     &ctx->receive_size,
     option_set,
     timeout
   );
 
   return STATUS_BUILD( status, 0 );
 }
 
 static void SendMsg( TQContext *tqctx )
 {
   Context *ctx = ToContext( tqctx );
   rtems_status_code status;
   uint8_t msg[ MAXIMUM_MESSAGE_SIZE ];
 
   memset( msg, ctx->send_msg_counter, MAXIMUM_MESSAGE_SIZE );
   status = rtems_message_queue_send(
     ctx->tq_ctx.thread_queue_id,
     msg,
     ( ctx->send_msg_counter * 2 ) % MAXIMUM_MESSAGE_SIZE + 1
   );
   T_rsc_success( status );
   ++ctx->send_msg_counter;
 }
 
 static void EnqueuePrepare( TQContext *tqctx )
 {
   Status_Control status;
 
   /* Check that the message queue is empty */
   status = TQEnqueue( tqctx, TQ_NO_WAIT );
   T_eq_int( status, STATUS_BUILD( RTEMS_UNSATISFIED, 0 ) );
 }
 
 static void EnqueueDone( TQContext *tqctx )
 {
   uint32_t i;
 
   for ( i = 0; i < tqctx->how_many; ++i ) {
     SendMsg( tqctx );
   }
 }
 
 static void RtemsMessageReqReceive_Pre_Buffer_Prepare(
   RtemsMessageReqReceive_Context   *ctx,
   RtemsMessageReqReceive_Pre_Buffer state
 )
 {
   switch ( state ) {
     case RtemsMessageReqReceive_Pre_Buffer_Valid: {
       /*
        * While the ``buffer`` parameter references a memory area able to store
        * a message up to the maximum size permitted in this message queue.
        */
       ctx->buffer_param = ctx->receive_buffer;
       break;
     }
 
     case RtemsMessageReqReceive_Pre_Buffer_Null: {
       /*
        * While the ``buffer`` parameter is NULL.
        */
       ctx->buffer_param = NULL;
       break;
     }
 
     case RtemsMessageReqReceive_Pre_Buffer_NA:
       break;
   }
 }
 
 static void RtemsMessageReqReceive_Pre_Size_Prepare(
   RtemsMessageReqReceive_Context *ctx,
   RtemsMessageReqReceive_Pre_Size state
 )
 {
   switch ( state ) {
     case RtemsMessageReqReceive_Pre_Size_Valid: {
       /*
        * While the ``size`` parameter references an object of type ``size_t``.
        */
       ctx->size_param = &ctx->receive_size;
       break;
     }
 
     case RtemsMessageReqReceive_Pre_Size_Null: {
       /*
        * While the ``size`` parameter is NULL.
        */
       ctx->size_param = NULL;
       break;
     }
 
     case RtemsMessageReqReceive_Pre_Size_NA:
       break;
   }
 }
 
 static void RtemsMessageReqReceive_Pre_Id_Prepare(
   RtemsMessageReqReceive_Context *ctx,
   RtemsMessageReqReceive_Pre_Id   state
 )
 {
   switch ( state ) {
     case RtemsMessageReqReceive_Pre_Id_Valid: {
       /*
        * While the ``id`` parameter is valid.
        */
       ctx->id_param = 1;
       break;
     }
 
     case RtemsMessageReqReceive_Pre_Id_Invalid: {
       /*
        * While the ``id`` parameter is invalid.
        */
       ctx->id_param = RTEMS_ID_NONE;
       break;
     }
 
     case RtemsMessageReqReceive_Pre_Id_NA:
       break;
   }
 }
 
 static void RtemsMessageReqReceive_Pre_DuringWait_Prepare(
   RtemsMessageReqReceive_Context       *ctx,
   RtemsMessageReqReceive_Pre_DuringWait state
 )
 {
   switch ( state ) {
     case RtemsMessageReqReceive_Pre_DuringWait_Nop: {
       /*
        * While no rtems_message_queue_delete() directive is called successfully
        * on the message queue during the time one or more tasks are waiting to
        * receive messages.
        */
       ctx->concurrent_activity = MessageQueueNop;
       break;
     }
 
     case RtemsMessageReqReceive_Pre_DuringWait_Deleted: {
       /*
        * While rtems_message_queue_delete() is called successfully on the
        * message queue while one or more tasks are waiting to receive messages.
        */
       ctx->concurrent_activity = MessageQueueDelete;
       break;
     }
 
     case RtemsMessageReqReceive_Pre_DuringWait_NA:
       break;
   }
 }
 
 static void RtemsMessageReqReceive_Pre_TaskQueue_Prepare(
   RtemsMessageReqReceive_Context      *ctx,
   RtemsMessageReqReceive_Pre_TaskQueue state
 )
 {
   switch ( state ) {
     case RtemsMessageReqReceive_Pre_TaskQueue_Fifo: {
       /*
        * While the member attributes of type rtems_message_queue_config
        * contains value RTEMS_FIFO when the message queue is constructed.
        *
        * Note: RTEMS_GLOBAL is not part of the space profile because no remote
        * nodes are supported.
        */
       ctx->attribute_set = RTEMS_LOCAL | RTEMS_FIFO;
       break;
     }
 
     case RtemsMessageReqReceive_Pre_TaskQueue_Priority: {
       /*
        * While the member attributes of type rtems_message_queue_config
        * contains value RTEMS_PRIORITY when the message queue is constructed.
        *
        * Note: RTEMS_GLOBAL is not part of the space profile because no remote
        * nodes are supported.
        */
       ctx->attribute_set = RTEMS_LOCAL | RTEMS_PRIORITY;
       break;
     }
 
     case RtemsMessageReqReceive_Pre_TaskQueue_NA:
       break;
   }
 
   MessageQueueSetup( ctx );
 }
 
 static void RtemsMessageReqReceive_Pre_Wait_Prepare(
   RtemsMessageReqReceive_Context *ctx,
   RtemsMessageReqReceive_Pre_Wait state
 )
 {
   switch ( state ) {
     case RtemsMessageReqReceive_Pre_Wait_No: {
       /*
        * While the ``option_set`` parameter indicates the RTEMS_NO_WAIT option.
        */
       ctx->tq_ctx.wait =      TQ_NO_WAIT;
       ctx->option_set_param = RTEMS_NO_WAIT;
       ctx->timeout_param =    1; /* 0 would be RTEMS_NO_TIMEOUT */
       break;
     }
 
     case RtemsMessageReqReceive_Pre_Wait_Timeout: {
       /*
        * While the ``option_set`` parameter indicates the RTEMS_WAIT option,
        * while the ``timeout`` parameter is not equal to RTEMS_NO_TIMEOUT.
        */
       ctx->tq_ctx.wait =      TQ_WAIT_TIMED;
       ctx->option_set_param = RTEMS_WAIT;
       ctx->timeout_param =    timeout_ticks;
       break;
     }
 
     case RtemsMessageReqReceive_Pre_Wait_Forever: {
       /*
        * While the ``option_set`` parameter indicates the RTEMS_WAIT option,
        * while the ``timeout`` parameter is equal to RTEMS_NO_TIMEOUT.
        */
       ctx->tq_ctx.wait =      TQ_WAIT_FOREVER;
       ctx->option_set_param = RTEMS_WAIT;
       ctx->timeout_param =    RTEMS_NO_TIMEOUT;
       break;
     }
 
     case RtemsMessageReqReceive_Pre_Wait_NA:
       break;
   }
 }
 
 static void RtemsMessageReqReceive_Pre_MsgQueue_Prepare(
   RtemsMessageReqReceive_Context     *ctx,
   RtemsMessageReqReceive_Pre_MsgQueue state
 )
 {
   switch ( state ) {
     case RtemsMessageReqReceive_Pre_MsgQueue_Empty: {
       /*
        * While there is no message in the message queue.
        */
       /* Message queue is already empty. */
       ctx->check_msgq_unchanged = CheckForNoMessageInQueue;
       break;
     }
 
     case RtemsMessageReqReceive_Pre_MsgQueue_One: {
       /*
        * While there is exactly one message in the message queue.
        */
       SendMsg( &( ctx->tq_ctx ) );
       ctx->check_msgq_unchanged = CheckForOneMessageInQueue;
       break;
     }
 
     case RtemsMessageReqReceive_Pre_MsgQueue_Several: {
       /*
        * While there are more than one message in the message queue.
        */
       SendMsg( &( ctx->tq_ctx ) );
       SendMsg( &( ctx->tq_ctx ) );
       SendMsg( &( ctx->tq_ctx ) );
       ctx->check_msgq_unchanged = CheckForSeveralMessagesInQueue;
       break;
     }
 
     case RtemsMessageReqReceive_Pre_MsgQueue_NA:
       break;
   }
 }
 
 static void RtemsMessageReqReceive_Pre_Storage_Prepare(
   RtemsMessageReqReceive_Context    *ctx,
   RtemsMessageReqReceive_Pre_Storage state
 )
 {
   switch ( state ) {
     case RtemsMessageReqReceive_Pre_Storage_Nop: {
       /*
        * While the memory area to which a pointer is provided as member
        * storage_area of type rtems_message_queue_config when the message queue
        * is constructed by rtems_message_queue_construct() is altered only by
        * the RTEMS operating system.
        */
       /* Only a requirement text. */
       break;
     }
 
     case RtemsMessageReqReceive_Pre_Storage_NA:
       break;
   }
 }
 
 static void RtemsMessageReqReceive_Post_Status_Check(
   RtemsMessageReqReceive_Context    *ctx,
   RtemsMessageReqReceive_Post_Status state
 )
 {
   switch ( state ) {
     case RtemsMessageReqReceive_Post_Status_Ok: {
       /*
        * The return status of rtems_message_queue_receive() shall be
        * RTEMS_SUCCESSFUL
        */
       T_rsc_success( ctx->status );
       break;
     }
 
     case RtemsMessageReqReceive_Post_Status_InvId: {
       /*
        * The return status of rtems_message_queue_receive() shall be
        * RTEMS_INVALID_ID.
        */
       T_rsc( ctx->status, RTEMS_INVALID_ID );
       break;
     }
 
     case RtemsMessageReqReceive_Post_Status_InvAddr: {
       /*
        * The return status of rtems_message_queue_receive() shall be
        * RTEMS_INVALID_ADDRESS.
        */
       T_rsc( ctx->status, RTEMS_INVALID_ADDRESS );
       break;
     }
 
     case RtemsMessageReqReceive_Post_Status_Unsat: {
       /*
        * The return status of rtems_message_queue_receive() shall be
        * RTEMS_UNSATISFIED.
        */
       T_rsc( ctx->status, RTEMS_UNSATISFIED  );
       break;
     }
 
     case RtemsMessageReqReceive_Post_Status_Timeout: {
       /*
        * The return status of rtems_message_queue_receive() shall be
        * RTEMS_TIMEOUT.
        */
       T_rsc( ctx->status, RTEMS_TIMEOUT );
       break;
     }
 
     case RtemsMessageReqReceive_Post_Status_Deleted: {
       /*
        * The return status of rtems_message_queue_receive() shall be
        * RTEMS_OBJECT_WAS_DELETED.
        */
       T_rsc( ctx->status, RTEMS_OBJECT_WAS_DELETED );
       break;
     }
 
     case RtemsMessageReqReceive_Post_Status_NA:
       break;
   }
 }
 
 static void RtemsMessageReqReceive_Post_Delay_Check(
   RtemsMessageReqReceive_Context   *ctx,
   RtemsMessageReqReceive_Post_Delay state
 )
 {
   switch ( state ) {
     case RtemsMessageReqReceive_Post_Delay_None: {
       /*
        * The rtems_message_queue_receive() call shall return immediately.
        */
       T_eq_u32( ctx->action_duration, 0 );
       break;
     }
 
     case RtemsMessageReqReceive_Post_Delay_Ticks: {
       /*
        * The rtems_message_queue_receive() call shall return after the timeout
        * period in ticks.
        */
       T_eq_u32( ctx->action_duration, timeout_ticks );
       break;
     }
 
     case RtemsMessageReqReceive_Post_Delay_Forever: {
       /*
        * The rtems_message_queue_receive() call shall not return.
        */
       T_gt_u32( ctx->action_duration, timeout_ticks );
       break;
     }
 
     case RtemsMessageReqReceive_Post_Delay_NA:
       break;
   }
 }
 
 static void RtemsMessageReqReceive_Post_Size_Check(
   RtemsMessageReqReceive_Context  *ctx,
   RtemsMessageReqReceive_Post_Size state
 )
 {
   switch ( state ) {
     case RtemsMessageReqReceive_Post_Size_First: {
       /*
        * The value of the object referenced by the ``size`` parameter shall be
        * set to the size of the first message (the same value as provided by
        * parameter ``size`` of the rtems_message_queue_send() or
        * rtems_message_queue_urgent() directive which added the message to the
        * queue) after the return of the rtems_message_queue_receive() call.
        */
       CheckForFirstMessage(
         ctx->status,
         ctx->receive_buffer,
         ctx->receive_size
       );
       break;
     }
 
     case RtemsMessageReqReceive_Post_Size_Nop: {
       /*
        * Objects referenced by the ``size`` parameter in past calls to
        * rtems_message_queue_receive() shall not be accessed by the
        * rtems_message_queue_receive() call (see also Nop).
        */
       T_eq_sz( ctx->receive_size, SIZE_MAX );
       break;
     }
 
     case RtemsMessageReqReceive_Post_Size_NA:
       break;
   }
 }
 
 static void RtemsMessageReqReceive_Post_Msg_Check(
   RtemsMessageReqReceive_Context *ctx,
   RtemsMessageReqReceive_Post_Msg state
 )
 {
   switch ( state ) {
     case RtemsMessageReqReceive_Post_Msg_First: {
       /*
        * The bytes 0 till ``size`` - 1 of the object referenced by the
        * ``option_set`` parameter shall contain a copy of the content of the
        * first message (all bytes unchanged and in the same order as provided
        * by parameter ``buffer`` of the rtems_message_queue_send() or
        * rtems_message_queue_urgent() directive which added the message to the
        * queue) after the return of the rtems_message_queue_receive() call.
        */
       CheckForFirstMessage(
         ctx->status,
         ctx->receive_buffer,
         ctx->receive_size
       );
       break;
     }
 
     case RtemsMessageReqReceive_Post_Msg_Nop: {
       /*
        * Objects referenced by the ``option_set`` parameter in past calls to
        * rtems_message_queue_receive() shall not be accessed by the
        * rtems_message_queue_receive() call (see also Nop).
        */
       int i;
       for ( i = 0; i < MAXIMUM_MESSAGE_SIZE; ++i ) {
         T_eq_u8( ctx->receive_buffer[i], UINT8_MAX );
       }
       break;
     }
 
     case RtemsMessageReqReceive_Post_Msg_NA:
       break;
   }
 }
 
 static void RtemsMessageReqReceive_Post_MsgQueue_Check(
   RtemsMessageReqReceive_Context      *ctx,
   RtemsMessageReqReceive_Post_MsgQueue state
 )
 {
   switch ( state ) {
     case RtemsMessageReqReceive_Post_MsgQueue_Empty: {
       /*
        * The message queue shall be empty after the return of the
        * rtems_message_queue_receive() call.
        */
       PopMessage( ctx, CheckForNoMessage );
       break;
     }
 
     case RtemsMessageReqReceive_Post_MsgQueue_OneLess: {
       /*
        * The first message shall be removed from the message queue after the
        * return of the rtems_message_queue_receive() call.
        */
       PopMessage( ctx, CheckForSecondMessage );
       PopMessage( ctx, CheckForThirdMessage );
       PopMessage( ctx, CheckForNoMessage );
       break;
     }
 
     case RtemsMessageReqReceive_Post_MsgQueue_Nop: {
       /*
        * Objects referenced by the ``id`` parameter in past calls to
        * rtems_message_queue_receive() shall not be accessed by the
        * rtems_message_queue_receive() call (see also Nop).
        */
       ctx->check_msgq_unchanged( ctx );
       break;
     }
 
     case RtemsMessageReqReceive_Post_MsgQueue_NA:
       break;
   }
 
   MessageQueueTeardown( ctx );
 }
 
 static void RtemsMessageReqReceive_Post_Tasks_Check(
   RtemsMessageReqReceive_Context   *ctx,
   RtemsMessageReqReceive_Post_Tasks state
 )
 {
   MessageQueueSetup( ctx );
 
   switch ( state ) {
     case RtemsMessageReqReceive_Post_Tasks_Fifo: {
       /*
        * Where the thread queue uses the FIFO discipline, the calling thread
        * shall be enqueued in FIFO order.
        */
       ScoreTqReqEnqueueFifo_Run( &ctx->tq_ctx );
       break;
     }
 
     case RtemsMessageReqReceive_Post_Tasks_Priority: {
       /*
        * Where the thread queue uses the priority discipline, the calling
        * thread shall be enqueued in priority order.
        */
       ScoreTqReqEnqueuePriority_Run( &ctx->tq_ctx );
       break;
     }
 
     case RtemsMessageReqReceive_Post_Tasks_NA:
       break;
   }
 
   MessageQueueTeardown( ctx );
 }
 
 static void RtemsMessageReqReceive_Setup( RtemsMessageReqReceive_Context *ctx )
 {
   memset( ctx, 0, sizeof( *ctx ) );
   ctx->magic                  = magic;
   ctx->tq_ctx.enqueue         = ReceiveMsg;
   ctx->tq_ctx.surrender       = TQDoNothingSuccessfully;
   ctx->tq_ctx.convert_status  = TQConvertStatusClassic;
   ctx->tq_ctx.enqueue_prepare = EnqueuePrepare;
   ctx->tq_ctx.enqueue_done    = EnqueueDone;
   TQInitialize( &ctx->tq_ctx );
 
   /*
    * ctx->tq_ctx.thread_queue_id = RTEMS_ID_NONE indicates that the message
    * queue does currently not exist. A message queue is created
    * two times in a row in a single test cycle. First after the attributes
    * are set in the preconditions. That queue is used for all tests of
    * usual message queue requirements. Second a message queue is recreated
    * in the tasks post-conditions for the tests of the task queue.
    * To avoid an accidentally creation of a second
    * message queue without the first being deleted prior,
    * ctx->tq_ctx.thread_queue_id is checked for being RTEMS_ID_NONE before
    * any message queue is created - a run-time sanity check.
    */
   ctx->tq_ctx.thread_queue_id = RTEMS_ID_NONE;
   ctx->task_id                = rtems_task_self();
 
   /* Note: TQInitialize() will assign the "main" task priority PRIO_NORMAL */
   ctx->worker_id = CreateTask( "WORK", PRIO_HIGH );
   StartTask( ctx->worker_id, WorkerTask, NULL );
 }
 
 static void RtemsMessageReqReceive_Setup_Wrap( void *arg )
 {
   RtemsMessageReqReceive_Context *ctx;
 
   ctx = arg;
   ctx->Map.in_action_loop = false;
   RtemsMessageReqReceive_Setup( ctx );
 }
 
 static void RtemsMessageReqReceive_Teardown(
   RtemsMessageReqReceive_Context *ctx
 )
 {
   DeleteTask( ctx->worker_id );
   TQDestroy( &ctx->tq_ctx );
   (void) PollAnyEvents();
 }
 
 static void RtemsMessageReqReceive_Teardown_Wrap( void *arg )
 {
   RtemsMessageReqReceive_Context *ctx;
 
   ctx = arg;
   ctx->Map.in_action_loop = false;
   RtemsMessageReqReceive_Teardown( ctx );
 }
 
 static void RtemsMessageReqReceive_Prepare(
   RtemsMessageReqReceive_Context *ctx
 )
 {
   /* Clean away pending events - happens after RTEMS_WAIT + RTEMS_NO_TIMEOUT */
   (void) PollAnyEvents();
 
   ctx->send_msg_counter = 0;
   ctx->receive_size     = SIZE_MAX;
   memset( ctx->receive_buffer, UINT8_MAX, MAXIMUM_MESSAGE_SIZE );
 }
 
 static void RtemsMessageReqReceive_Action(
   RtemsMessageReqReceive_Context *ctx
 )
 {
   WorkerDoAction( ctx );
   ctx->concurrent_activity( ctx );
   ctx->action_duration = WaitForWorker( ctx );
 }
 
 static const RtemsMessageReqReceive_Entry
 RtemsMessageReqReceive_Entries[] = {
   { 0, 0, 0, 0, 0, 0, 0, 0, 0, RtemsMessageReqReceive_Post_Status_InvAddr,
     RtemsMessageReqReceive_Post_Delay_None,
     RtemsMessageReqReceive_Post_Size_Nop, RtemsMessageReqReceive_Post_Msg_Nop,
     RtemsMessageReqReceive_Post_MsgQueue_Nop,
     RtemsMessageReqReceive_Post_Tasks_NA },
   { 0, 0, 0, 0, 0, 0, 0, 0, 0, RtemsMessageReqReceive_Post_Status_InvAddr,
     RtemsMessageReqReceive_Post_Delay_None,
     RtemsMessageReqReceive_Post_Size_Nop, RtemsMessageReqReceive_Post_Msg_Nop,
     RtemsMessageReqReceive_Post_MsgQueue_NA,
     RtemsMessageReqReceive_Post_Tasks_NA },
   { 0, 0, 0, 0, 0, 0, 0, 0, 0, RtemsMessageReqReceive_Post_Status_InvId,
     RtemsMessageReqReceive_Post_Delay_None,
     RtemsMessageReqReceive_Post_Size_Nop, RtemsMessageReqReceive_Post_Msg_Nop,
     RtemsMessageReqReceive_Post_MsgQueue_Nop,
     RtemsMessageReqReceive_Post_Tasks_NA },
   { 0, 0, 0, 0, 0, 0, 0, 0, 0, RtemsMessageReqReceive_Post_Status_InvId,
     RtemsMessageReqReceive_Post_Delay_None,
     RtemsMessageReqReceive_Post_Size_Nop, RtemsMessageReqReceive_Post_Msg_Nop,
     RtemsMessageReqReceive_Post_MsgQueue_NA,
     RtemsMessageReqReceive_Post_Tasks_NA },
   { 1, 0, 0, 0, 0, 0, 0, 0, 0, RtemsMessageReqReceive_Post_Status_NA,
     RtemsMessageReqReceive_Post_Delay_NA, RtemsMessageReqReceive_Post_Size_NA,
     RtemsMessageReqReceive_Post_Msg_NA,
     RtemsMessageReqReceive_Post_MsgQueue_NA,
     RtemsMessageReqReceive_Post_Tasks_NA },
   { 0, 0, 0, 0, 0, 0, 0, 0, 0, RtemsMessageReqReceive_Post_Status_Ok,
     RtemsMessageReqReceive_Post_Delay_None,
     RtemsMessageReqReceive_Post_Size_First,
     RtemsMessageReqReceive_Post_Msg_First,
     RtemsMessageReqReceive_Post_MsgQueue_Empty,
     RtemsMessageReqReceive_Post_Tasks_NA },
   { 0, 0, 0, 0, 0, 0, 0, 0, 0, RtemsMessageReqReceive_Post_Status_Ok,
     RtemsMessageReqReceive_Post_Delay_None,
     RtemsMessageReqReceive_Post_Size_First,
     RtemsMessageReqReceive_Post_Msg_First,
     RtemsMessageReqReceive_Post_MsgQueue_OneLess,
     RtemsMessageReqReceive_Post_Tasks_NA },
   { 0, 0, 0, 0, 0, 0, 0, 0, 0, RtemsMessageReqReceive_Post_Status_Deleted,
     RtemsMessageReqReceive_Post_Delay_None,
     RtemsMessageReqReceive_Post_Size_Nop, RtemsMessageReqReceive_Post_Msg_Nop,
     RtemsMessageReqReceive_Post_MsgQueue_NA,
     RtemsMessageReqReceive_Post_Tasks_NA },
   { 0, 0, 0, 0, 0, 0, 0, 0, 0, RtemsMessageReqReceive_Post_Status_Unsat,
     RtemsMessageReqReceive_Post_Delay_None,
     RtemsMessageReqReceive_Post_Size_Nop, RtemsMessageReqReceive_Post_Msg_Nop,
     RtemsMessageReqReceive_Post_MsgQueue_Nop,
     RtemsMessageReqReceive_Post_Tasks_NA },
   { 0, 0, 0, 0, 0, 0, 0, 0, 0, RtemsMessageReqReceive_Post_Status_Timeout,
     RtemsMessageReqReceive_Post_Delay_Ticks,
     RtemsMessageReqReceive_Post_Size_Nop, RtemsMessageReqReceive_Post_Msg_Nop,
     RtemsMessageReqReceive_Post_MsgQueue_Nop,
     RtemsMessageReqReceive_Post_Tasks_Fifo },
   { 0, 0, 0, 0, 0, 0, 0, 0, 0, RtemsMessageReqReceive_Post_Status_NA,
     RtemsMessageReqReceive_Post_Delay_Forever,
     RtemsMessageReqReceive_Post_Size_Nop, RtemsMessageReqReceive_Post_Msg_Nop,
     RtemsMessageReqReceive_Post_MsgQueue_Nop,
     RtemsMessageReqReceive_Post_Tasks_Fifo },
   { 0, 0, 0, 0, 0, 0, 0, 0, 0, RtemsMessageReqReceive_Post_Status_Timeout,
     RtemsMessageReqReceive_Post_Delay_Ticks,
     RtemsMessageReqReceive_Post_Size_Nop, RtemsMessageReqReceive_Post_Msg_Nop,
     RtemsMessageReqReceive_Post_MsgQueue_Nop,
     RtemsMessageReqReceive_Post_Tasks_Priority },
   { 0, 0, 0, 0, 0, 0, 0, 0, 0, RtemsMessageReqReceive_Post_Status_NA,
     RtemsMessageReqReceive_Post_Delay_Forever,
     RtemsMessageReqReceive_Post_Size_Nop, RtemsMessageReqReceive_Post_Msg_Nop,
     RtemsMessageReqReceive_Post_MsgQueue_Nop,
     RtemsMessageReqReceive_Post_Tasks_Priority }
 };
 
 static const uint8_t
 RtemsMessageReqReceive_Map[] = {
   8, 5, 6, 9, 5, 6, 10, 5, 6, 8, 5, 6, 11, 5, 6, 12, 5, 6, 4, 4, 4, 7, 4, 4, 7,
   4, 4, 4, 4, 4, 7, 4, 4, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
   2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0,
   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
   1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1,
   1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
   0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0,
   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1,
   1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
   0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0,
   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
   1, 1, 1
 };
 
 static size_t RtemsMessageReqReceive_Scope( void *arg, char *buf, size_t n )
 {
   RtemsMessageReqReceive_Context *ctx;
 
   ctx = arg;
 
   if ( ctx->Map.in_action_loop ) {
     return T_get_scope( RtemsMessageReqReceive_PreDesc, buf, n, ctx->Map.pcs );
   }
 
   return 0;
 }
 
 static T_fixture RtemsMessageReqReceive_Fixture = {
   .setup = RtemsMessageReqReceive_Setup_Wrap,
   .stop = NULL,
   .teardown = RtemsMessageReqReceive_Teardown_Wrap,
   .scope = RtemsMessageReqReceive_Scope,
   .initial_context = &RtemsMessageReqReceive_Instance
 };
 
 static inline RtemsMessageReqReceive_Entry RtemsMessageReqReceive_PopEntry(
   RtemsMessageReqReceive_Context *ctx
 )
 {
   size_t index;
 
   index = ctx->Map.index;
   ctx->Map.index = index + 1;
   return RtemsMessageReqReceive_Entries[
     RtemsMessageReqReceive_Map[ index ]
   ];
 }
 
 static void RtemsMessageReqReceive_TestVariant(
   RtemsMessageReqReceive_Context *ctx
 )
 {
   RtemsMessageReqReceive_Pre_Buffer_Prepare( ctx, ctx->Map.pcs[ 0 ] );
   RtemsMessageReqReceive_Pre_Size_Prepare( ctx, ctx->Map.pcs[ 1 ] );
   RtemsMessageReqReceive_Pre_Id_Prepare( ctx, ctx->Map.pcs[ 2 ] );
   RtemsMessageReqReceive_Pre_DuringWait_Prepare( ctx, ctx->Map.pcs[ 3 ] );
   RtemsMessageReqReceive_Pre_TaskQueue_Prepare( ctx, ctx->Map.pcs[ 4 ] );
   RtemsMessageReqReceive_Pre_Wait_Prepare( ctx, ctx->Map.pcs[ 5 ] );
   RtemsMessageReqReceive_Pre_MsgQueue_Prepare( ctx, ctx->Map.pcs[ 6 ] );
   RtemsMessageReqReceive_Pre_Storage_Prepare( ctx, ctx->Map.pcs[ 7 ] );
   RtemsMessageReqReceive_Action( ctx );
   RtemsMessageReqReceive_Post_Status_Check( ctx, ctx->Map.entry.Post_Status );
   RtemsMessageReqReceive_Post_Delay_Check( ctx, ctx->Map.entry.Post_Delay );
   RtemsMessageReqReceive_Post_Size_Check( ctx, ctx->Map.entry.Post_Size );
   RtemsMessageReqReceive_Post_Msg_Check( ctx, ctx->Map.entry.Post_Msg );
   RtemsMessageReqReceive_Post_MsgQueue_Check(
     ctx,
     ctx->Map.entry.Post_MsgQueue
   );
   RtemsMessageReqReceive_Post_Tasks_Check( ctx, ctx->Map.entry.Post_Tasks );
 }
 
 /**
  * @fn void T_case_body_RtemsMessageReqReceive( void )
  */
 T_TEST_CASE_FIXTURE( RtemsMessageReqReceive, &RtemsMessageReqReceive_Fixture )
 {
   RtemsMessageReqReceive_Context *ctx;
 
   ctx = T_fixture_context();
   ctx->Map.in_action_loop = true;
   ctx->Map.index = 0;
 
   for (
     ctx->Map.pcs[ 0 ] = RtemsMessageReqReceive_Pre_Buffer_Valid;
     ctx->Map.pcs[ 0 ] < RtemsMessageReqReceive_Pre_Buffer_NA;
     ++ctx->Map.pcs[ 0 ]
   ) {
     for (
       ctx->Map.pcs[ 1 ] = RtemsMessageReqReceive_Pre_Size_Valid;
       ctx->Map.pcs[ 1 ] < RtemsMessageReqReceive_Pre_Size_NA;
       ++ctx->Map.pcs[ 1 ]
     ) {
       for (
         ctx->Map.pcs[ 2 ] = RtemsMessageReqReceive_Pre_Id_Valid;
         ctx->Map.pcs[ 2 ] < RtemsMessageReqReceive_Pre_Id_NA;
         ++ctx->Map.pcs[ 2 ]
       ) {
         for (
           ctx->Map.pcs[ 3 ] = RtemsMessageReqReceive_Pre_DuringWait_Nop;
           ctx->Map.pcs[ 3 ] < RtemsMessageReqReceive_Pre_DuringWait_NA;
           ++ctx->Map.pcs[ 3 ]
         ) {
           for (
             ctx->Map.pcs[ 4 ] = RtemsMessageReqReceive_Pre_TaskQueue_Fifo;
             ctx->Map.pcs[ 4 ] < RtemsMessageReqReceive_Pre_TaskQueue_NA;
             ++ctx->Map.pcs[ 4 ]
           ) {
             for (
               ctx->Map.pcs[ 5 ] = RtemsMessageReqReceive_Pre_Wait_No;
               ctx->Map.pcs[ 5 ] < RtemsMessageReqReceive_Pre_Wait_NA;
               ++ctx->Map.pcs[ 5 ]
             ) {
               for (
                 ctx->Map.pcs[ 6 ] = RtemsMessageReqReceive_Pre_MsgQueue_Empty;
                 ctx->Map.pcs[ 6 ] < RtemsMessageReqReceive_Pre_MsgQueue_NA;
                 ++ctx->Map.pcs[ 6 ]
               ) {
                 for (
                   ctx->Map.pcs[ 7 ] = RtemsMessageReqReceive_Pre_Storage_Nop;
                   ctx->Map.pcs[ 7 ] < RtemsMessageReqReceive_Pre_Storage_NA;
                   ++ctx->Map.pcs[ 7 ]
                 ) {
                   ctx->Map.entry = RtemsMessageReqReceive_PopEntry( ctx );
 
                   if ( ctx->Map.entry.Skip ) {
                     continue;
                   }
 
                   RtemsMessageReqReceive_Prepare( ctx );
                   RtemsMessageReqReceive_TestVariant( ctx );
                 }
               }
             }
           }
         }
       }
     }
   }
 }
 
 /** @} */

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