1-- C95085L.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--       (I) AFTER RETURN, OUT MODE, CONSTRAINED FORMAL, STATIC
33--           PRIVATE DISCRIMINANTS.
34
35-- JWC 10/24/85
36
37WITH REPORT; USE REPORT;
38PROCEDURE C95085L IS
39
40BEGIN
41     TEST ("C95085L", "CHECK THAT CONSTRAINT_ERROR IS RAISED " &
42                      "APPROPRIATELY FOR ACCESS PARAMETERS");
43
44     --------------------------------------------------
45
46     DECLARE
47
48          CALLED : BOOLEAN := FALSE;
49
50          PACKAGE PKG IS
51               TYPE E IS (E1, E2, E3);
52               TYPE T (D : E := E1; B : BOOLEAN := FALSE) IS
53                    PRIVATE;
54          PRIVATE
55               TYPE ARR IS ARRAY (E RANGE <>) OF INTEGER;
56               TYPE T (D : E := E1; B : BOOLEAN := FALSE) IS
57                    RECORD
58                         I : INTEGER;
59                         CASE B IS
60                              WHEN FALSE =>
61                                   J : INTEGER;
62                              WHEN TRUE =>
63                                   A : ARR (E1 .. D);
64                         END CASE;
65                    END RECORD;
66          END PKG;
67          USE PKG;
68
69          TYPE A IS ACCESS T;
70          SUBTYPE SA IS A (E2, TRUE);
71          V : A (E2, FALSE) := NEW T (E2, FALSE);
72
73          TASK TSK IS
74               ENTRY E (X : OUT SA);
75          END TSK;
76
77          TASK BODY TSK IS
78          BEGIN
79               SELECT
80                    ACCEPT E (X : OUT SA) DO
81                         CALLED := TRUE;
82                         X := NEW T (E2, TRUE);
83                    END E;
84               OR
85                    TERMINATE;
86               END SELECT;
87          EXCEPTION
88               WHEN OTHERS =>
89                    FAILED ("EXCEPTION RAISED IN TASK BODY");
90          END TSK;
91
92     BEGIN
93
94          TSK.E (V);
95          FAILED ("EXCEPTION NOT RAISED AFTER RETURN");
96
97     EXCEPTION
98          WHEN CONSTRAINT_ERROR =>
99               IF NOT CALLED THEN
100                    FAILED ("EXCEPTION RAISED BEFORE CALL");
101               END IF;
102          WHEN OTHERS =>
103               FAILED ("WRONG EXCEPTION RAISED");
104     END;
105
106     ------------------------------------------------
107
108     RESULT;
109END C95085L;
110