source: rtems-central/spec/rtems/timer/req/reset.yml

SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
copyrights:
- Copyright (C) 2021 embedded brains GmbH & Co. KG
enabled-by: true
functional-type: action
links:
- role: interface-function
  uid: ../if/reset
post-conditions:
- name: Status
  states:
  - name: Ok
    test-code: |
      T_rsc_success( ctx->status );
    text: |
      The return status of ${../if/reset:/name} shall be
      ${../../status/if/successful:/name}.
  - name: InvId
    test-code: |
      T_rsc( ctx->status, RTEMS_INVALID_ID );
    text: |
      The return status of ${../if/reset:/name} shall be
      ${../../status/if/invalid-id:/name}.
  - name: NotDef
    test-code: |
      T_rsc( ctx->status, RTEMS_NOT_DEFINED );
    text: |
      The return status of ${../if/reset:/name} shall be
      ${../../status/if/not-defined:/name}
  test-epilogue: null
  test-prologue: null
- name: Context
  states:
  - name: None
    test-code: |
      T_eq_int( class, TIMER_DORMANT );
    text: |
      The timer shall have never been ${../glossary/scheduled:/term}.
      See also ${../glossary/none:/term}.
  - name: Interrupt
    test-code: |
      T_eq_int( class & TIMER_CLASS_BIT_ON_TASK, 0 );
    text: |
      The timer shall be in ${../glossary/interruptcontext:/term}.
  - name: Server
    test-code: |
      T_eq_int( class & TIMER_CLASS_BIT_ON_TASK, TIMER_CLASS_BIT_ON_TASK );
    text: |
      The timer shall be in ${../glossary/servercontext:/term}.
  - name: Nop
    test-code: |
      T_eq_int( class, ctx->pre_class );
    text: |
      Objects referenced by the ${../if/reset:/params[0]/name}
      parameter in past call to ${../if/reset:/name} shall not be
      accessed by the ${../if/reset:/name} call.
      See also ${../glossary/nop:/term}.
  test-epilogue: null
  test-prologue: |
    Timer_Classes class;
    class = GetTimerClass( ctx->timer_id );
- name: Clock
  states:
  - name: None
    test-code: |
      T_eq_int( class, TIMER_DORMANT );
    text: |
      The timer shall have never been ${../glossary/scheduled:/term}.
  - name: Ticks
    test-code: |
      T_eq_int( class & TIMER_CLASS_BIT_TIME_OF_DAY, 0 );
    text: |
      The timer shall use the ${../glossary/ticksbasedclock:/term}.
  - name: Realtime
    test-code: |
      T_eq_int(
        class & TIMER_CLASS_BIT_TIME_OF_DAY,
        TIMER_CLASS_BIT_TIME_OF_DAY
      );
    text: |
      The timer shall use the ${../glossary/realtimeclock:/term}.
  - name: Nop
    test-code: |
      T_eq_int( class, ctx->pre_class );
    text: |
      Objects referenced by the ${../if/reset:/params[0]/name}
      parameter in past call to ${../if/reset:/name} shall not be
      accessed by the ${../if/reset:/name} call.
  test-epilogue: null
  test-prologue: |
    Timer_Classes class;
    class = GetTimerClass( ctx->timer_id );
- name: State
  states:
  - name: Scheduled
    test-code: |
      ctx->ticks_till_fire = TriggerTimer( ctx );
      T_eq_int( ctx->invocations_a + ctx->invocations_b, 1 );
    text: |
      The timer shall be in ${../glossary/scheduled:/term}
      ${../glossary/state:/term}.
  - name: Nop
    test-code: |
      T_eq_int( ctx->post_state, ctx->pre_state );
    text: |
      Objects referenced by the ${../if/reset:/params[0]/name}
      parameter in past call to ${../if/reset:/name} shall not be
      accessed by the ${../if/reset:/name} call.
  test-epilogue: null
  test-prologue: null
- name: Interval
  states:
  - name: Last
    test-code: |
      T_eq_int( ctx->ticks_till_fire, ctx->scheduled_ticks_till_fire );
    text: |
      The ${../glossary/timerserviceroutine:/term} shall be invoked the same
      number of ticks (see ${/glossary/tick:/term}), as defined by
      the last ${../glossary/scheduled:/term} interval, after a point in time
      during the execution of the ${../if/reset:/name} call.
  - name: Nop
    test-code: |
      /*
       * Whether the timer is scheduled has already been tested by the
       * "Nop" "State" post-condition above.
       */
      T_eq_u32(
        ctx->post_scheduling_data.interval,
        ctx->pre_scheduling_data.interval
      );
    text: |
      If and when the ${../glossary/timerserviceroutine:/term} will be invoked
      shall not be changed by the past call to ${../if/reset:/name}.
  test-epilogue: null
  test-prologue: null
- name: Routine
  states:
  - name: Last
    test-code: |
      T_eq_int( ctx->invocations_a, ctx->scheduled_invocations_a );
      T_eq_int( ctx->invocations_b, ctx->scheduled_invocations_b );
    text: |
      The function reference used to invoke the
      ${../glossary/timerserviceroutine:/term} when the timer will
      ${../glossary/fire:/term} shall be the same one as the last one
      ${../glossary/scheduled:/term}.
  - name: Nop
    test-code: |
      T_eq_ptr(
        ctx->post_scheduling_data.routine,
        ctx->pre_scheduling_data.routine
      );
    text: |
      The function reference used for any invocation of the
      ${../glossary/timerserviceroutine:/term} shall not be changed
      by the past call to ${../if/reset:/name}.
  test-epilogue: null
  test-prologue: null
- name: UserData
  states:
  - name: Last
    test-code: |
      T_eq_ptr( ctx->routine_user_data, ctx->scheduled_user_data);
    text: |
      The user data argument for invoking the
      ${../glossary/timerserviceroutine:/term} when the timer will
      ${../glossary/fire:/term} shall be the same as the last
      ${../glossary/scheduled:/term} user data argument.
  - name: Nop
    test-code: |
      T_eq_ptr(
        ctx->post_scheduling_data.user_data,
        ctx->pre_scheduling_data.user_data
      );
    text: |
      The user data argument used for any invocation of the
      ${../glossary/timerserviceroutine:/term} shall not be changed
      by the past call to ${../if/reset:/name}.
  test-epilogue: null
  test-prologue: null
pre-conditions:
- name: Id
  states:
  - name: Valid
    test-code: |
      ctx->id_param = ctx->timer_id;
    text: |
      While the ${../if/reset:/params[0]/name} parameter is valid.
  - name: Invalid
    test-code: |
      ctx->id_param = RTEMS_ID_NONE;
    text: |
      While the ${../if/reset:/params[0]/name} parameter is invalid.
  test-epilogue: null
  test-prologue: null
- name: Context
  states:
  - name: None
    test-code: |
      ctx->pre_cond_contex = PRE_NONE;
    text: |
      While the ${../glossary/timerserviceroutine:/term} has never been
      ${../glossary/scheduled:/term} since creation of the timer.
      See also ${../glossary/none:/term}.
  - name: Interrupt
    test-code: |
      ctx->pre_cond_contex = PRE_INTERRUPT;
    text: |
      While the timer is in ${../glossary/interruptcontext:/term}.
  - name: Server
    test-code: |
      ctx->pre_cond_contex = PRE_SERVER;
    text: |
      While the timer is in ${../glossary/servercontext:/term}.
  test-epilogue: null
  test-prologue: null
- name: Clock
  states:
  - name: None
    test-code: |
      T_eq_int( ctx->pre_cond_contex, PRE_NONE );
    text: |
      While the timer has never been ${../glossary/scheduled:/term}
      since creation of the timer.
  - name: Ticks
    test-code: |
      rtems_status_code status;

      if ( ctx->pre_cond_contex == PRE_INTERRUPT ) {
        ctx->scheduled_ticks_till_fire = SCHEDULE_SOON;
        ctx->scheduled_invocations_a = 1;
        ctx->scheduled_user_data = &ctx->data_a;
        status = rtems_timer_fire_after(
          ctx->timer_id,
          ctx->scheduled_ticks_till_fire,
          TimerServiceRoutineA,
          ctx->scheduled_user_data
        );
      } else {
        ctx->scheduled_ticks_till_fire = SCHEDULE_LATER;
        ctx->scheduled_invocations_b = 1;
        ctx->scheduled_user_data = &ctx->data_b;
         status = rtems_timer_server_fire_after(
          ctx->timer_id,
          ctx->scheduled_ticks_till_fire,
          TimerServiceRoutineB,
          ctx->scheduled_user_data
        );
      }
      T_rsc_success( status );
    text: |
      While the ${../glossary/clock:/term} used to determine when the timer
      will ${../glossary/fire:/term} is the
      ${../glossary/ticksbasedclock:/term}.
  - name: Realtime
    test-code: |
      rtems_status_code status;

      if ( ctx->pre_cond_contex == PRE_INTERRUPT ) {
        status = rtems_timer_fire_when(
          ctx->timer_id,
          &tod_schedule,
          TimerServiceRoutineA,
          &ctx->data_a
        );
      } else {
        status = rtems_timer_server_fire_when(
          ctx->timer_id,
          &tod_schedule,
          TimerServiceRoutineB,
          &ctx->data_b
        );
      }
      T_rsc_success( status );
    text: |
      While the ${../glossary/clock:/term} used to determine when the timer
      will ${../glossary/fire:/term} is the ${../glossary/realtimeclock:/term}.
  test-epilogue: null
  test-prologue: null
- name: State
  states:
  - name: Inactive
    test-code: |
      TriggerTimer( ctx );
      T_eq_int(
        ctx->invocations_a + ctx->invocations_b,
        ( ctx->pre_cond_contex == PRE_NONE ) ? 0 : 1
      );
      ctx->invocations_a = 0;
      ctx->invocations_b = 0;
      ctx->pre_state = TIMER_INACTIVE;
    text: |
      While the timer is in ${../glossary/inactive:/term}
      ${../glossary/state:/term}.
  - name: Scheduled
    test-code: |
      /* The timer was already scheduled in the "Clock" pre-conditions. */
      ctx->pre_state = TIMER_SCHEDULED;
    text: |
      While the timer is in ${../glossary/scheduled:/term}
      ${../glossary/state:/term}.
  - name: Pending
    test-code: |
      T_rsc_success( rtems_task_suspend( GetTimerServerTaskId() ) );
      TriggerTimer( ctx );
      T_eq_int( ctx->invocations_a + ctx->invocations_b, 0 );
      ctx->pre_state = TIMER_PENDING;
    text: |
      While the timer is in ${../glossary/pending:/term}
      ${../glossary/state:/term}.
  test-epilogue: null
  test-prologue: null
rationale: null
references: []
requirement-type: functional
skip-reasons:
  NotExist: |
    The pre-condition combination of ${../glossary/context:/term},
    ${../glossary/clock:/term} and ${../glossary/state:/term} cannot be
    produced and does therefore not exist.
test-action: |
  GetTimerSchedulingData( ctx->timer_id, &ctx->pre_scheduling_data );
  ctx->pre_class = GetTimerClass( ctx->timer_id );
  ctx->status = rtems_timer_reset( ctx->id_param );
  ctx->post_state = GetTimerState( ctx->timer_id );
  GetTimerSchedulingData( ctx->timer_id, &ctx->post_scheduling_data );
  /* Ignoring return status: the timer server task may be suspended or not. */
  rtems_task_resume( GetTimerServerTaskId() );
test-brief: null
test-cleanup: |
  T_rsc_success( rtems_timer_delete( ctx->timer_id ) );
test-context:
- brief: |
    This member contains a valid id of a timer.
  description: null
  member: |
    rtems_id timer_id
- brief: |
    This member specifies the ${../if/reset:/params[0]/name} parameter for the
    action.
  description: null
  member: |
    rtems_id id_param
- brief: |
    This member contains the returned ${/glossary/statuscode:/term} of the action.
  description: null
  member: |
    rtems_status_code status
- brief: |
    This member contains the user data for
    ${../glossary/timerserviceroutine:/term} "A".
  description: null
  member: |
    void *data_a
- brief: |
    This member contains the user data for
    ${../glossary/timerserviceroutine:/term} "B".
  description: null
  member: |
    void *data_b
- brief: |
    This member contains the counter for invocations of
    ${../glossary/timerserviceroutine:/term} "A".
  description: null
  member: |
    int invocations_a
- brief: |
    This member contains the counter for invocations of
    ${../glossary/timerserviceroutine:/term} "B".
  description: null
  member: |
    int invocations_b
- brief: |
    This member contains the number of ticks needed to
    ${../glossary/fire:/term} the ${../glossary/timerserviceroutine:/term}.
  description: null
  member: |
    Scheduling_Ticks ticks_till_fire
- brief: |
    This member identifier the user data given to the
    ${../glossary/timerserviceroutine:/term} when called. It either the
    address of member data_a or data_b.
  description: null
  member: |
    void **routine_user_data
- brief: |
    This member contains a reference to the user data to be used
    in the next call to the ${../glossary/timerserviceroutine:/term}.
  description: null
  member: |
    void **scheduled_user_data
- brief: |
    This member contains 1 if the ${../glossary/timerserviceroutine:/term}
    "A" has been ${../glossary/scheduled:/term} otherwise 0.
  description: null
  member: |
    int scheduled_invocations_a
- brief: |
    This member contains 1 if the ${../glossary/timerserviceroutine:/term}
    "B" has been ${../glossary/scheduled:/term} otherwise 0.
  description: null
  member: |
    int scheduled_invocations_b
- brief: |
    This member specifies the number of ticks till the
    ${../glossary/scheduled:/term} ${../glossary/timerserviceroutine:/term}
    should ${../glossary/fire:/term}.
  description: null
  member: |
    Scheduling_Ticks scheduled_ticks_till_fire
- brief: |
    This member specifies which pre-condition ${../glossary/context:/term}
    (${../glossary/none:/term}, ${../glossary/interruptcontext:/term},
    ${../glossary/servercontext:/term}) must be created before the
    ${../if/reset:/name} action gets executed.
  description: null
  member: |
    PreConditionContext pre_cond_contex
- brief: |
    This member stores internal ${../glossary/clock:/term} and
    ${../glossary/context:/term} settings of the timer before
    the execution of the test action.
  description: null
  member: |
    Timer_Classes pre_class
- brief: |
    This member stores the ${../glossary/state:/term} of the timer before
    the execution of the test action.
  description: null
  member: |
    Timer_States pre_state
- brief: |
    This member stores the ${../glossary/state:/term} of the timer after
    the execution of the test action.
  description: null
  member: |
    Timer_States post_state
- brief: |
    This member stores the scheduling data of the timer before
    the execution of the test action.
  description: null
  member: |
    Timer_Scheduling_Data pre_scheduling_data
- brief: |
    This member stores the scheduling data of the timer after
    the execution of the test action.
  description: null
  member: |
    Timer_Scheduling_Data post_scheduling_data
test-context-support: |
  typedef enum {
    PRE_NONE      = 0,
    PRE_INTERRUPT = 1,
    PRE_SERVER    = 2
  } PreConditionContext;

  typedef enum {
    SCHEDULE_NONE  = 0,
    SCHEDULE_SOON  = 1,
    SCHEDULE_LATER = 2,
    SCHEDULE_MAX   = 5
  } Scheduling_Ticks;
test-description: null
test-header: null
test-includes:
- rtems.h
test-local-includes:
- tx-support.h
test-prepare: |
  rtems_status_code status;
  status = rtems_timer_create(
    rtems_build_name( 'T', 'I', 'M', 'E' ),
    &ctx->timer_id
  );
  T_rsc_success( status );

  ctx->data_a                    = ctx;
  ctx->data_b                    = ctx;
  ctx->invocations_a             = 0;
  ctx->invocations_b             = 0;
  ctx->ticks_till_fire           = SCHEDULE_NONE;
  ctx->routine_user_data         = NULL;
  ctx->scheduled_invocations_a   = 0;
  ctx->scheduled_invocations_b   = 0;
  ctx->scheduled_ticks_till_fire = SCHEDULE_NONE;
  T_rsc_success( rtems_clock_set( &tod_now ) );
test-setup:
  brief: null
  code: |
    rtems_status_code status;
    status = rtems_timer_initiate_server(
      RTEMS_TIMER_SERVER_DEFAULT_PRIORITY,
      RTEMS_MINIMUM_STACK_SIZE,
      RTEMS_DEFAULT_ATTRIBUTES
    );
    T_rsc_success( status );
  description: null
test-stop: null
test-support: |
  static const rtems_time_of_day tod_now      = { 2000, 1, 1, 0, 0, 0, 0 };
  static const rtems_time_of_day tod_schedule = { 2000, 1, 1, 1, 0, 0, 0 };
  static const rtems_time_of_day tod_fire     = { 2000, 1, 2, 0, 0, 0, 0 };

  static Scheduling_Ticks TriggerTimer( const RtemsTimerReqReset_Context *ctx )
  {
    int ticks_fired = SCHEDULE_NONE;
    int invocations_old = ctx->invocations_a + ctx->invocations_b;

    /* Fire the timer service routine for ticks and realtime clock */
    int i;
    for ( i = 1; i <= SCHEDULE_MAX; ++i ) {
      ClockTick();
      if ( ctx->invocations_a + ctx->invocations_b > invocations_old ) {
        ticks_fired = i;
        break;
      }
    }

    T_rsc_success( rtems_clock_set( &tod_fire ) );

    return ticks_fired;
  }

  static void TimerServiceRoutineA(
    rtems_id timer_id,
    void *user_data
  )
  {
    RtemsTimerReqReset_Context *ctx =
      *(RtemsTimerReqReset_Context **) user_data;
    ++( ctx->invocations_a );
    ctx->routine_user_data = user_data;
  }

  static void TimerServiceRoutineB(
    rtems_id timer_id,
    void *user_data
  )
  {
    RtemsTimerReqReset_Context *ctx =
      *(RtemsTimerReqReset_Context **) user_data;
    ++( ctx->invocations_b );
    ctx->routine_user_data = user_data;
  }
test-target: testsuites/validation/tc-timer-reset.c
test-teardown:
  brief: Make sure the timer server is not running and the realtime clock
    is not set after this test.
  code: |
    DeleteTimerServer();
    UnsetClock();
  description: null
text: ${.:text-template}
transition-map:
- enabled-by: true
  post-conditions:
    Status: NotDef
    Context: Nop
    Clock: Nop
    State: Nop
    Interval: Nop
    Routine: Nop
    UserData: Nop
  pre-conditions:
    Id:
    - Valid
    Context:
    - None
    Clock:
    - None
    State:
    - Inactive
- enabled-by: true
  post-conditions:
    Status: Ok
    Context: Server
    Clock: Ticks
    State: Scheduled
    Interval: Last
    Routine: Last
    UserData: Last
  pre-conditions:
    Id:
    - Valid
    Context:
    - Server
    Clock:
    - Ticks
    State: all
- enabled-by: true
  post-conditions:
    Status: NotDef
    Context: Nop
    Clock: Nop
    State: Nop
    Interval: Nop
    Routine: Nop
    UserData: Nop
  pre-conditions:
    Id:
    - Valid
    Context:
    - Server
    Clock:
    - Realtime
    State: all
- enabled-by: true
  post-conditions:
    Status: Ok
    Context: Interrupt
    Clock: Ticks
    State: Scheduled
    Interval: Last
    Routine: Last
    UserData: Last
  pre-conditions:
    Id:
    - Valid
    Context:
    - Interrupt
    Clock:
    - Ticks
    State:
    - Inactive
    - Scheduled
- enabled-by: true
  post-conditions:
    Status: NotDef
    Context: Nop
    Clock: Nop
    State: Nop
    Interval: Nop
    Routine: Nop
    UserData: Nop
  pre-conditions:
    Id:
    - Valid
    Context:
    - Interrupt
    Clock:
    - Realtime
    State:
    - Inactive
    - Scheduled
- enabled-by: true
  post-conditions: NotExist
  pre-conditions:
    Id: all
    Context:
    - None
    Clock:
    - None
    State:
    - Scheduled
    - Pending
- enabled-by: true
  post-conditions: NotExist
  pre-conditions:
    Id: all
    Context:
    - None
    Clock:
    - Ticks
    - Realtime
    State: all
- enabled-by: true
  post-conditions: NotExist
  pre-conditions:
    Id: all
    Context:
    - Interrupt
    - Server
    Clock:
    - None
    State: all
- enabled-by: true
  post-conditions: NotExist
  pre-conditions:
    Id: all
    Context:
    - Interrupt
    Clock:
    - Ticks
    - Realtime
    State:
    - Pending
- enabled-by: true
  post-conditions:
    Status: InvId
    Context: Nop
    Clock: Nop
    State: Nop
    Interval: Nop
    Routine: Nop
    UserData: Nop
  pre-conditions:
    Id:
    - Invalid
    Context:
    - None
    Clock:
    - None
    State:
    - Inactive
- enabled-by: true
  post-conditions:
    Status: InvId
    Context: Nop
    Clock: Nop
    State: Nop
    Interval: Nop
    Routine: Nop
    UserData: Nop
  pre-conditions:
    Id:
    - Invalid
    Context:
    - Server
    Clock:
    - Ticks
    - Realtime
    State: all
- enabled-by: true
  post-conditions:
    Status: InvId
    Context: Nop
    Clock: Nop
    State: Nop
    Interval: Nop
    Routine: Nop
    UserData: Nop
  pre-conditions:
    Id:
    - Invalid
    Context:
    - Interrupt
    Clock:
    - Ticks
    - Realtime
    State:
    - Inactive
    - Scheduled
type: requirement