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-- C35502H.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.

--*

-- CHECK THAT 'PRED' AND 'SUCC' YIELD THE CORRECT RESULTS WHEN 

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

-- AN ENUMERATION TYPE OTHER THAN A BOOLEAN OR A CHARACTER TYPE.

-- RJW 5/27/86

WITH REPORT; USE REPORT;

PROCEDURE C35502H IS

          TYPE ENUM IS (A, BC, ABC, A_B_C, ABCD);

          TYPE NEWENUM IS NEW ENUM;

BEGIN

     TEST ("C35502H", "CHECK THAT 'PRED' AND 'SUCC' YIELD THE " &

                      "CORRECT RESULTS WHEN THE PREFIX IS A " &

                      "FORMAL DISCRETE TYPE WHOSE ACTUAL " &

                      "ARGUMENT IS AN ENUMERATION TYPE OTHER THAN " &

                      "A CHARACTER OR A BOOLEAN TYPE" );

     DECLARE

          GENERIC

               TYPE E IS (<>);

               STR : STRING;

          PROCEDURE P;

          PROCEDURE P IS

               SUBTYPE SE IS E RANGE E'VAL(0) .. E'VAL(1);

          BEGIN

               FOR I IN E'VAL (1) .. E'VAL (4) LOOP

                    IF SE'PRED (I) /=

                       E'VAL (E'POS (I) - 1) THEN

                         FAILED ("INCORRECT " & STR & "'PRED(" &

                                  E'IMAGE (I) & ")" );

                    END IF;

               END LOOP;

               FOR I IN E'VAL (0) .. E'VAL (3) LOOP

                    IF SE'SUCC (I) /=

                       E'VAL (E'POS (I) + 1) THEN

                         FAILED ("INCORRECT " & STR & "'SUCC(" &

                                  E'IMAGE (I) & ")" );

                    END IF;

               END LOOP;

          END P;

          PROCEDURE PE IS NEW P ( ENUM, "ENUM" );

          PROCEDURE PN IS NEW P ( NEWENUM, "NEWENUM" );

     BEGIN

          PE;

          PN;

     END;

     RESULT;

END C35502H;