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-- CD4051C.ADA

--                             Grant of Unlimited Rights

--

--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,

--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained 

--     unlimited rights in the software and documentation contained herein.

--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making 

--     this public release, the Government intends to confer upon all 

--     recipients unlimited rights  equal to those held by the Government.  

--     These rights include rights to use, duplicate, release or disclose the 

--     released technical data and computer software in whole or in part, in 

--     any manner and for any purpose whatsoever, and to have or permit others 

--     to do so.

--

--                                    DISCLAIMER

--

--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR

--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED 

--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE

--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE 

--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A

--     PARTICULAR PURPOSE OF SAID MATERIAL.

--*

-- OBJECTIVE:

--     CHECK THAT A RECORD REPRESENTATION CLAUSE CAN BE GIVEN FOR

--     A DERIVED TYPE WHOSE PARENT TYPE IS A RECORD WITH A

--     DISCRIMINANT.

-- HISTORY:

--     BCB 03/20/89  CHANGED EXTENSION FROM '.ADA' TO '.DEP'.

--     RJW 08/25/87  CREATED ORIGINAL TEST.

WITH REPORT; USE REPORT;

WITH SYSTEM;

PROCEDURE CD4051C IS

     UNITS_PER_INTEGER : CONSTANT :=

                      (INTEGER'SIZE + SYSTEM.STORAGE_UNIT - 1) /

                      SYSTEM.STORAGE_UNIT;

     TYPE BASIC_CLAUSE (DISC : BOOLEAN) IS RECORD

          INT_COMP    : INTEGER;

          CHAR_COMP   : CHARACTER;

     END RECORD;

     TYPE CHECK_CLAUSE IS NEW BASIC_CLAUSE;

     FOR CHECK_CLAUSE USE

          RECORD

               DISC AT 0

                           RANGE 0..BOOLEAN'SIZE - 1;

               INT_COMP AT 1*UNITS_PER_INTEGER

                           RANGE 0..INTEGER'SIZE - 1;

               CHAR_COMP AT 2*UNITS_PER_INTEGER

                           RANGE 0..CHARACTER'SIZE - 1;

          END RECORD;

     CHECK_RECORD : CHECK_CLAUSE (TRUE) := (TRUE, 1, 'A');

BEGIN

     TEST ("CD4051C", "CHECK THAT A RECORD REPRESENTATION " &

                      "CLAUSE CAN BE GIVEN FOR A DERIVED TYPE " &

                      "WHOSE PARENT TYPE IS IS A RECORD TYPE " &

                      "WITH DISCRIMINANTS");

     IF CHECK_RECORD.DISC'FIRST_BIT /= 0 THEN

          FAILED ("INCORRECT VALUE FOR FIRST_BIT OF DISC");

     END IF;

     IF CHECK_RECORD.DISC'LAST_BIT /= BOOLEAN'SIZE - 1 THEN

          FAILED ("INCORRECT VALUE FOR LAST_BIT OF DISC");

     END IF;

     IF CHECK_RECORD.DISC'POSITION /= IDENT_INT (0) THEN

          FAILED ("INCORRECT VALUE FOR POSITION OF DISC");

     END IF;

     IF CHECK_RECORD.INT_COMP'FIRST_BIT /= 0 THEN

          FAILED ("INCORRECT VALUE FOR FIRST_BIT OF INT_COMP");

     END IF;

     IF CHECK_RECORD.INT_COMP'LAST_BIT /=

               IDENT_INT (INTEGER'SIZE - 1) THEN

          FAILED ("INCORRECT VALUE FOR LAST_BIT OF INT_COMP");

     END IF;

     IF CHECK_RECORD.INT_COMP'POSITION /=

               IDENT_INT (UNITS_PER_INTEGER) THEN

          FAILED ("INCORRECT VALUE FOR POSITION OF INT_COMP");

     END IF;

     IF CHECK_RECORD.CHAR_COMP'FIRST_BIT /= IDENT_INT (0) THEN

          FAILED ("INCORRECT VALUE FOR FIRST_BIT OF CHAR_COMP");

     END IF;

     IF CHECK_RECORD.CHAR_COMP'LAST_BIT /=

               IDENT_INT (CHARACTER'SIZE - 1) THEN

          FAILED ("INCORRECT VALUE FOR LAST_BIT OF CHAR_COMP");

     END IF;

     IF CHECK_RECORD.CHAR_COMP'POSITION /=

               IDENT_INT (2 * UNITS_PER_INTEGER) THEN

          FAILED ("INCORRECT VALUE FOR POSITION OF CHAR_COMP");

     END IF;

     RESULT;

END CD4051C;