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path: root/spec/req/rtems/options/val/options.yml
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SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
copyrights:
- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
enabled-by: true
links: []
test-actions:
- action: |
    /* No action */
  checks:
  - check: |
      T_step_true( ${step}, IsPowerOfTwo( RTEMS_EVENT_ANY ) );
    description: |
      Check that RTEMS_EVENT_ANY is a power of two.
    links:
    - role: validation
      uid: ../bit-set
    - role: validation
      uid: /if/rtems/options/event-any
  - check: |
      T_step_true( ${step}, IsPowerOfTwo( RTEMS_NO_WAIT ) );
    description: |
      Check that RTEMS_NO_WAIT is a power of two.
    links:
    - role: validation
      uid: ../bit-set
    - role: validation
      uid: /if/rtems/options/no-wait
  description: |
    Validate the non-default option constants.
  links: []
- action: |
    /* No action */
  checks:
  - check: |
      T_step_eq_u32( ${step}, RTEMS_DEFAULT_OPTIONS, 0 );
    description: |
      Check that RTEMS_DEFAULT_OPTIONS is equal to zero.
    links:
    - role: validation
      uid: ../default
    - role: validation
      uid: /if/rtems/options/default
  - check: |
      T_step_eq_u32( ${step}, RTEMS_EVENT_ALL, 0 );
    description: |
      Check that RTEMS_EVENT_ALL is equal to zero.
    links:
    - role: validation
      uid: ../default
    - role: validation
      uid: /if/rtems/options/default
  - check: |
      T_step_eq_u32( ${step}, RTEMS_WAIT, 0 );
    description: |
      Check that RTEMS_WAIT is equal to zero.
    links:
    - role: validation
      uid: ../default
    - role: validation
      uid: /if/rtems/options/wait
  description: |
    Validate the default option constants.
  links: []
- action: |
    options = 0;
    options |= RTEMS_EVENT_ANY;
    options |= RTEMS_NO_WAIT;
  checks:
  - check: |
      T_step_eq_int( ${step}, PopCount( options ), 2 );
    description: |
      Check that the count of set bits in the calculated value is equal to the
      count of non-default option constants.  Since each non-default option
      constant is a power of two, this proves that each constant has a unique
      value.
    links:
    - role: validation
      uid: ../unique
    - role: validation
      uid: /if/rtems/options/event-any
    - role: validation
      uid: /if/rtems/options/no-wait
  description: |
    Calculate the bitwise or of all non-default option constants.
  links: []
test-brief: |
  Tests the option constants of the Classic API.
test-description: null
test-epilogue: null
test-fixture: null
test-header: null
test-includes:
- rtems.h
test-local-includes: []
test-prologue: |
  rtems_option options;
test-support: |
  static bool IsPowerOfTwo( rtems_option option )
  {
    return option != 0 && ( option & ( option - 1 ) ) == 0;
  }

  static int PopCount( rtems_option options )
  {
    int count;

    count = 0;

    while ( options != 0 ) {
      ++count;
      options &= options - 1;
    }

    return count;
  }
test-target: testsuites/validation/tc-options.c
type: test-case