1-- C35502H.ADA
2
3--                             Grant of Unlimited Rights
4--
5--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
6--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
7--     unlimited rights in the software and documentation contained herein.
8--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
9--     this public release, the Government intends to confer upon all
10--     recipients unlimited rights  equal to those held by the Government.
11--     These rights include rights to use, duplicate, release or disclose the
12--     released technical data and computer software in whole or in part, in
13--     any manner and for any purpose whatsoever, and to have or permit others
14--     to do so.
15--
16--                                    DISCLAIMER
17--
18--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
19--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
20--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
21--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
22--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
23--     PARTICULAR PURPOSE OF SAID MATERIAL.
24--*
25-- CHECK THAT 'PRED' AND 'SUCC' YIELD THE CORRECT RESULTS WHEN
26-- THE PREFIX IS A FORMAL DISCRETE TYPE WHOSE ACTUAL ARGUMENT IS
27-- AN ENUMERATION TYPE OTHER THAN A BOOLEAN OR A CHARACTER TYPE.
28
29-- RJW 5/27/86
30
31WITH REPORT; USE REPORT;
32
33PROCEDURE C35502H IS
34
35          TYPE ENUM IS (A, BC, ABC, A_B_C, ABCD);
36
37          TYPE NEWENUM IS NEW ENUM;
38
39BEGIN
40     TEST ("C35502H", "CHECK THAT 'PRED' AND 'SUCC' YIELD THE " &
41                      "CORRECT RESULTS WHEN THE PREFIX IS A " &
42                      "FORMAL DISCRETE TYPE WHOSE ACTUAL " &
43                      "ARGUMENT IS AN ENUMERATION TYPE OTHER THAN " &
44                      "A CHARACTER OR A BOOLEAN TYPE" );
45
46     DECLARE
47          GENERIC
48               TYPE E IS (<>);
49               STR : STRING;
50          PROCEDURE P;
51
52          PROCEDURE P IS
53               SUBTYPE SE IS E RANGE E'VAL(0) .. E'VAL(1);
54          BEGIN
55               FOR I IN E'VAL (1) .. E'VAL (4) LOOP
56                    IF SE'PRED (I) /=
57                       E'VAL (E'POS (I) - 1) THEN
58                         FAILED ("INCORRECT " & STR & "'PRED(" &
59                                  E'IMAGE (I) & ")" );
60                    END IF;
61               END LOOP;
62
63               FOR I IN E'VAL (0) .. E'VAL (3) LOOP
64                    IF SE'SUCC (I) /=
65                       E'VAL (E'POS (I) + 1) THEN
66                         FAILED ("INCORRECT " & STR & "'SUCC(" &
67                                  E'IMAGE (I) & ")" );
68                    END IF;
69               END LOOP;
70
71          END P;
72
73          PROCEDURE PE IS NEW P ( ENUM, "ENUM" );
74          PROCEDURE PN IS NEW P ( NEWENUM, "NEWENUM" );
75
76     BEGIN
77          PE;
78          PN;
79     END;
80
81     RESULT;
82END C35502H;
83