1-- C35502N.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-- OBJECTIVE:
26--     CHECK THAT 'POS' AND 'VAL' YIELD THE CORRECT RESULTS WHEN
27--     THE PREFIX IS A FORMAL DISCRETE TYPE WHOSE ACTUAL ARGUMENT IS
28--     AN ENUMERATION TYPE, OTHER THAN A BOOLEAN OR A CHARACTER TYPE,
29--     WITH AN ENUMERATION REPRESENTATION CLAUSE.
30
31-- HISTORY:
32--     RJW 05/27/86
33--     DWC 07/22/87  ADDED THE PARAMETER 'N' TO FUNCTION F.
34--     PWB 05/11/89  CHANGED EXTENSION FROM '.DEP' TO '.ADA'.
35
36WITH REPORT; USE REPORT;
37
38PROCEDURE C35502N IS
39
40     TYPE ENUM IS (A, BC, ABC, A_B_C, ABCD);
41     FOR ENUM USE (A => 1, BC => 4, ABC => 5, A_B_C => 6,
42                   ABCD => 8);
43
44     SUBTYPE SUBENUM IS ENUM RANGE A .. BC;
45
46     TYPE NEWENUM IS NEW ENUM;
47     SUBTYPE SUBNEW IS NEWENUM RANGE A .. BC;
48
49BEGIN
50     TEST ("C35502N", "CHECK THAT 'POS' AND 'VAL' YIELD THE " &
51                      "CORRECT RESULTS WHEN THE PREFIX IS A " &
52                      "FORMAL DISCRETE TYPE WHOSE ACTUAL ARGUMENT " &
53                      "IS AN ENUMERATION TYPE, OTHER THAN A " &
54                      "CHARACTER OR A BOOLEAN TYPE, WITH AN " &
55                      "ENUMERATION REPRESENTATION CLAUSE" );
56
57     DECLARE
58
59          GENERIC
60               TYPE E IS (<>);
61               STR : STRING;
62          PROCEDURE P;
63
64          PROCEDURE P IS
65               SUBTYPE SE IS E RANGE E'VAL(0) .. E'VAL(1);
66               POSITION : INTEGER;
67          BEGIN
68
69               POSITION := 0;
70
71               FOR E1 IN E LOOP
72                    IF SE'POS (E1) /= POSITION THEN
73                         FAILED ( "INCORRECT " & STR & "'POS (" &
74                                   E'IMAGE (E1) & ")" );
75                    END IF;
76
77                    IF SE'VAL (POSITION) /= E1 THEN
78                         FAILED ( "INCORRECT " & STR & "'VAL (" &
79                                   INTEGER'IMAGE (POSITION) &
80                                   ")" );
81                    END IF;
82
83                    POSITION := POSITION + 1;
84               END LOOP;
85
86               BEGIN
87                    IF E'VAL (-1) = E'VAL (1) THEN
88                         FAILED ( "NO EXCEPTION RAISED FOR " &
89                                   STR & "'VAL (-1) - 1" );
90                    ELSE
91                         FAILED ( "NO EXCEPTION RAISED FOR " &
92                                   STR & "'VAL (-1) - 2" );
93                    END IF;
94               EXCEPTION
95                     WHEN CONSTRAINT_ERROR =>
96                         NULL;
97               WHEN OTHERS =>
98                         FAILED ( "WRONG EXCEPTION RAISED FOR " &
99                                   STR & "'VAL (-1)" );
100               END;
101
102               BEGIN
103                    IF E'VAL (5) = E'VAL (4) THEN
104                         FAILED ( "NO EXCEPTION RAISED FOR " &
105                                   STR & "'VAL (5) - 1" );
106                    ELSE
107                         FAILED ( "NO EXCEPTION RAISED FOR " &
108                                   STR & "'VAL (5) - 2" );
109                    END IF;
110               EXCEPTION
111                    WHEN CONSTRAINT_ERROR =>
112                         NULL;
113                    WHEN OTHERS =>
114                         FAILED ( "WRONG EXCEPTION RAISED FOR " &
115                                   STR & "'VAL (5)" );
116               END;
117          END P;
118
119          PROCEDURE PE IS NEW P ( ENUM, "ENUM" );
120          PROCEDURE PN IS NEW P ( NEWENUM, "NEWENUM" );
121     BEGIN
122          PE;
123          PN;
124     END;
125
126     DECLARE
127          FUNCTION A_B_C RETURN ENUM IS
128          BEGIN
129               RETURN ENUM'VAL (IDENT_INT (0));
130          END A_B_C;
131
132          GENERIC
133               TYPE E IS (<>);
134          FUNCTION F (N : INTEGER;
135                      E1 : E) RETURN BOOLEAN;
136
137          FUNCTION F (N : INTEGER;
138                      E1 : E) RETURN BOOLEAN IS
139          BEGIN
140               RETURN E'VAL (N) = E1;
141          END F;
142
143          FUNCTION FE IS NEW F (ENUM);
144
145     BEGIN
146
147     IF NOT FE (0, A_B_C) THEN
148          FAILED ( "INCORRECT VAL FOR A_B_C WHEN HIDDEN " &
149                   "BY A FUNCTION" );
150     END IF;
151
152     IF NOT FE (3, C35502N.A_B_C) THEN
153                    FAILED ( "INCORRECT VAL FOR C35502N.A_B_C" );
154     END IF;
155     END;
156
157     RESULT;
158END C35502N;
159