gcc/testsuite/ada/acats/tests/cd/cd4051b.ada

   1 -- CD4051B.ADA
   2
   3 --                             Grant of Unlimited Rights
   4 --
   5 --     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
   6 --     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
   7 --     unlimited rights in the software and documentation contained herein.
   8 --     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
   9 --     this public release, the Government intends to confer upon all
  10 --     recipients unlimited rights  equal to those held by the Government.
  11 --     These rights include rights to use, duplicate, release or disclose the
  12 --     released technical data and computer software in whole or in part, in
  13 --     any manner and for any purpose whatsoever, and to have or permit others
  14 --     to do so.
  15 --
  16 --                                    DISCLAIMER
  17 --
  18 --     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
  19 --     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
  20 --     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
  21 --     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
  22 --     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
  23 --     PARTICULAR PURPOSE OF SAID MATERIAL.
  24 --*
  25 -- OBJECTIVE:
  26 --     CHECK THAT A RECORD REPRESENTATION CLAUSE WHICH CHANGES THE
  27 --     ORDER OF THE COMPONENT STORAGE CAN BE GIVEN FOR A DERIVED TYPE
  28 --     WHOSE PARENT TYPE IS A RECORD WITHOUT A DISCRIMINANT.
  29
  30 -- HISTORY:
  31 --     BCB 03/20/89  CHANGED EXTENSION FROM '.ADA' TO '.DEP'.
  32 --     RJW 08/25/87  CREATED ORIGINAL TEST.
  33
  34 WITH REPORT; USE REPORT;
  35 WITH SYSTEM;
  36 PROCEDURE CD4051B IS
  37
  38      UNITS_PER_INTEGER : CONSTANT :=
  39                       (INTEGER'SIZE + SYSTEM.STORAGE_UNIT - 1) /
  40                       SYSTEM.STORAGE_UNIT;
  41
  42      TYPE BASIC_CLAUSE IS RECORD
  43           INT_COMP    : INTEGER;
  44           CHAR_COMP   : CHARACTER;
  45      END RECORD;
  46
  47      TYPE CHECK_CLAUSE IS NEW BASIC_CLAUSE;
  48
  49      FOR CHECK_CLAUSE USE
  50           RECORD
  51                INT_COMP AT 1*UNITS_PER_INTEGER
  52                            RANGE 0..INTEGER'SIZE - 1;
  53                CHAR_COMP AT 0
  54                            RANGE 0..CHARACTER'SIZE - 1;
  55           END RECORD;
  56
  57      CHECK_RECORD : CHECK_CLAUSE := (1, 'A');
  58
  59 BEGIN
  60      TEST ("CD4051B", "CHECK THAT A RECORD REPRESENTATION " &
  61                       "CLAUSE WHICH CHANGES THE ORDER OF COMPONENT " &
  62                       "STORAGE CAN BE GIVEN FOR A DERIVED TYPE " &
  63                       "WHOSE PARENT TYPE IS IS A RECORD TYPE " &
  64                       "WITHOUT DISCRIMINANTS");
  65
  66      IF CHECK_RECORD.INT_COMP'FIRST_BIT /= 0 THEN
  67           FAILED ("INCORRECT VALUE FOR FIRST_BIT OF INT_COMP");
  68      END IF;
  69
  70      IF CHECK_RECORD.INT_COMP'LAST_BIT /= INTEGER'SIZE - 1 THEN
  71           FAILED ("INCORRECT VALUE FOR LAST_BIT OF INT_COMP");
  72      END IF;
  73
  74      IF CHECK_RECORD.INT_COMP'POSITION /=
  75                IDENT_INT (UNITS_PER_INTEGER) THEN
  76           FAILED ("INCORRECT VALUE FOR POSITION OF INT_COMP");
  77      END IF;
  78
  79      IF CHECK_RECORD.CHAR_COMP'FIRST_BIT /= IDENT_INT (0) THEN
  80           FAILED ("INCORRECT VALUE FOR FIRST_BIT OF CHAR_COMP");
  81      END IF;
  82
  83      IF CHECK_RECORD.CHAR_COMP'LAST_BIT /=
  84                IDENT_INT (CHARACTER'SIZE - 1) THEN
  85           FAILED ("INCORRECT VALUE FOR LAST_BIT OF CHAR_COMP");
  86      END IF;
  87
  88      IF CHECK_RECORD.CHAR_COMP'POSITION /=
  89                IDENT_INT (0) THEN
  90           FAILED ("INCORRECT VALUE FOR POSITION OF CHAR_COMP");
  91      END IF;
  92
  93      RESULT;
  94 END CD4051B;