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-- C35508H.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 'PRED' AND 'SUCC' YIELD THE CORRECT RESULTS WHEN THE

--     PREFIX IS A FORMAL DISCRETE TYPE WHOSE ACTUAL PARAMETER IS A

--     BOOLEAN TYPE.

-- HISTORY:

--     RJW 03/24/86 CREATED ORIGINAL TEST.

--     DHH 10/19/87 SHORTENED LINES CONTAINING MORE THAN 72 CHARACTERS.

WITH REPORT; USE REPORT;

PROCEDURE C35508H IS

BEGIN

     TEST ("C35508H", "CHECK THAT 'PRED' AND 'SUCC' YIELD THE " &

                      "CORRECT RESULTS WHEN THE PREFIX IS A " &

                      "FORMAL DISCRETE TYPE WHOSE ACTUAL PARAMETER " &

                      "IS A BOOLEAN TYPE" );

     DECLARE

          TYPE NEWBOOL IS NEW BOOLEAN;

          GENERIC

               TYPE BOOL IS (<>);

               F, T : BOOL;

          PROCEDURE P (STR : STRING);

          PROCEDURE P (STR : STRING) IS

               SUBTYPE SBOOL IS BOOL RANGE T .. T;

          BEGIN

               BEGIN

                    IF BOOL'PRED (T) /= F THEN

                         FAILED ( "INCORRECT VALUE FOR " &

                                   STR & "'PRED OF T" );

                    END IF;

                    IF BOOL'SUCC (F) /= T THEN

                         FAILED ( "INCORRECT VALUE FOR " &

                                   STR & "'SUCC OF F" );

                    END IF;

               END;

               BEGIN

                    IF SBOOL'PRED (T) /= F THEN

                         FAILED ( "INCORRECT VALUE FOR SBOOL'PRED " &

                                  "OF T FOR " & STR);

                    END IF;

               END;

               BEGIN

                    IF SBOOL'PRED (SBOOL'BASE'FIRST) = T THEN

                         FAILED("'PRED('FIRST) WRAPPED AROUND " &

                                "TO TRUE FOR " & STR);

                    END IF;

                    FAILED ( "NO EXCEPTION RAISED FOR " &

                              STR & "'PRED (SBOOL'BASE'FIRST)" );

               EXCEPTION

                    WHEN CONSTRAINT_ERROR =>

                         NULL;

                    WHEN OTHERS =>

                         FAILED ( "WRONG EXCEPTION RAISED FOR " &

                                   STR & "'PRED (SBOOL'BASE'FIRST)" );

               END;

               BEGIN

                    IF SBOOL'SUCC (SBOOL'BASE'LAST) = F THEN

                         FAILED("'SUCC('LAST) WRAPPED AROUND TO " &

                                "FALSE FOR " & STR);

                    END IF;

                    FAILED ( "NO EXCEPTION RAISED FOR " & STR &

                             "'SUCC (SBOOL'BASE'LAST)" );

               EXCEPTION

                    WHEN CONSTRAINT_ERROR =>

                         NULL;

                    WHEN OTHERS =>

                         FAILED ( "WRONG EXCEPTION RAISED FOR " &

                                  STR & "'SUCC (SBOOL'BASE'LAST)" );

               END;

          END P;

          PROCEDURE NP1 IS NEW P

                         ( BOOL => BOOLEAN, F => FALSE, T => TRUE );

          PROCEDURE NP2 IS NEW P

                         ( BOOL => NEWBOOL, F => FALSE, T => TRUE );

     BEGIN

          NP1 ("BOOLEAN");

          NP2 ("NEWBOOL");

     END;

     RESULT;

END C35508H;