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-- C35502J.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 ARGUMENT IS
--     AN ENUMERATION TYPE, OTHER THAN A BOOLEAN OR A CHARACTER TYPE,
--     WITH AN ENUMERATION REPRESENTATION CLAUSE.
 
-- HISTORY:
--     RJW 05/27/86  CREATED ORIGINAL TEST.
--     BCB 01/04/88  MODIFIED HEADER.
--     PWB 05/11/89  CHANGED EXTENSION FROM '.DEP' TO '.ADA'.
 
WITH REPORT; USE REPORT;
 
PROCEDURE C35502J IS
          TYPE ENUM IS (A, BC, ABC, A_B_C, ABCD);
          FOR ENUM USE (A => 2, BC => 4, ABC => 6,
                        A_B_C => 8, ABCD => 10);
 
          TYPE NEWENUM IS NEW ENUM;
 
BEGIN
     TEST ("C35502J", "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, WITH AN " &
                      "ENUMERATION REPRESENTATION CLAUSE" );
 
     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 C35502J;