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-- C35505C.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 CONSTRAINT_ERROR IS RAISED FOR 'SUCC' AND 'PRED',

--     IF THE RETURNED VALUES WOULD BE OUTSIDE OF THE BASE TYPE,

--     WHEN THE PREFIX IS A FORMAL DISCRETE TYPE WHOSE ACTUAL ARGUMENT

--     IS A USER-DEFINED ENUMERATION TYPE.

-- HISTORY:

--     RJW 06/05/86  CREATED ORIGINAL TEST.

--     VCL 08/19/87  REMOVED THE FUNCTION 'IDENT' IN THE GENERIC

--                   PROCEDURE 'P' AND REPLACED ALL CALLS TO 'IDENT'

--                   WITH "T'VAL(IDENT_INT(T'POS(...)))".

WITH REPORT; USE REPORT;

PROCEDURE C35505C IS

     TYPE B IS ('Z', 'X', Z, X);

     SUBTYPE C IS B RANGE 'X' .. Z;

BEGIN

     TEST ( "C35505C", "CHECK THAT 'SUCC' AND 'PRED' RAISE " &

                       "CONSTRAINT_ERROR APPROPRIATELY WHEN THE " &

                       "PREFIX IS A FORMAL DISCRETE TYPE WHOSE " &

                       "ARGUMENT IS A USER-DEFINED ENUMERATION TYPE" );

     DECLARE

          GENERIC

               TYPE T IS (<>);

               STR : STRING;

          PROCEDURE P;

          PROCEDURE P IS

          BEGIN

               BEGIN

                    IF T'PRED (T'VAL (IDENT_INT (T'POS

                              (T'BASE'FIRST)))) = T'FIRST THEN

                         FAILED ( "CONSTRAINT_ERROR NOT RAISED FOR " &

                                   STR & "'PRED -  1" );

                    ELSE

                         FAILED ( "CONSTRAINT_ERROR NOT RAISED FOR " &

                                   STR & "'PRED -  2" );

                    END IF;

               EXCEPTION

                    WHEN CONSTRAINT_ERROR =>

                         NULL;

                    WHEN OTHERS =>

                         FAILED ( "WRONG EXCEPTION RAISED FOR " &

                                   STR & "'PRED - 1" );

               END;

               BEGIN

                    IF T'SUCC (T'VAL (IDENT_INT (T'POS

                              (T'BASE'LAST)))) = T'LAST THEN

                         FAILED ( "CONSTRAINT_ERROR NOT RAISED FOR " &

                                   STR & "'SUCC -  1" );

                    ELSE

                         FAILED ( "CONSTRAINT_ERROR NOT RAISED FOR " &

                                   STR & "'SUCC -  2" );

                    END IF;

               EXCEPTION

                    WHEN CONSTRAINT_ERROR =>

                         NULL;

                    WHEN OTHERS =>

                         FAILED ( "WRONG EXCEPTION RAISED FOR " &

                                   STR & "'SUCC - 1" );

               END;

          END P;

          PROCEDURE PB IS NEW P (B, "B");

          PROCEDURE PC IS NEW P (C, "C");

     BEGIN

          PB;

          PC;

     END;

RESULT;

END C35505C;