1-- C95085G.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 CONSTRAINT_ERROR IS RAISED UNDER THE APPROPRIATE
26-- CIRCUMSTANCES FOR ACCESS PARAMETERS IN ENTRY CALLS, NAMELY WHEN
27-- THE ACTUAL INDEX BOUNDS OR DISCRIMINANTS ARE NOT EQUAL
28-- TO THE FORMAL CONSTRAINTS BEFORE THE CALL (FOR IN AND IN OUT
29-- MODES), AND WHEN THE FORMAL CONSTRAINTS ARE NOT EQUAL TO THE
30-- ACTUAL CONSTRAINTS UPON RETURN (FOR IN OUT AND OUT MODES).
31
32--       (D) BEFORE CALL, IN OUT MODE, DYNAMIC RECORD DISCRIMINANTS.
33
34-- JWC 10/23/85
35
36WITH REPORT; USE REPORT;
37PROCEDURE C95085G IS
38
39BEGIN
40     TEST ("C95085G", "CHECK THAT CONSTRAINT_ERROR IS RAISED " &
41                      "APPROPRIATELY FOR ACCESS PARAMETERS");
42
43     --------------------------------------------------
44
45     DECLARE
46
47          SUBTYPE INT IS INTEGER RANGE 0..10;
48          TYPE T (C : CHARACTER := 'A';
49                  B : BOOLEAN := FALSE;
50                  I : INT := 0) IS
51               RECORD
52                    J : INTEGER;
53                    CASE B IS
54                         WHEN FALSE =>
55                              K : INTEGER;
56                         WHEN TRUE =>
57                              S : STRING (1 .. I);
58                    END CASE;
59               END RECORD;
60
61          TYPE A IS ACCESS T;
62          SUBTYPE SA IS A ('Z', TRUE, 5);
63          V : A := NEW T ('Z', IDENT_BOOL(FALSE), 5);
64
65          TASK TSK IS
66               ENTRY E (X : IN OUT SA);
67          END TSK;
68
69          TASK BODY TSK IS
70          BEGIN
71               SELECT
72                    ACCEPT E (X : IN OUT SA) DO
73                         FAILED ("EXCEPTION NOT RAISED ON CALL");
74                    END E;
75               OR
76                    TERMINATE;
77               END SELECT;
78          EXCEPTION
79               WHEN OTHERS =>
80                     FAILED ("EXCEPTION RAISED IN TASK BODY");
81          END TSK;
82
83     BEGIN
84
85          TSK.E (V);
86          FAILED ("EXCEPTION NOT RAISED BEFORE CALL");
87
88     EXCEPTION
89          WHEN CONSTRAINT_ERROR =>
90               NULL;
91          WHEN OTHERS =>
92               FAILED ("WRONG EXCEPTION RAISED");
93     END;
94
95     --------------------------------------------------
96
97     RESULT;
98END C95085G;
99