1-- C43205I.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 THE BOUNDS OF A POSITIONAL AGGREGATE ARE DETERMINED
26-- CORRECTLY. IN PARTICULAR, CHECK THAT THE LOWER BOUND IS GIVEN BY
27-- THE LOWER BOUND OF THE APPLICABLE INDEX CONSTRAINT WHEN THE
28-- POSITIONAL AGGREGATE IS USED AS:
29
30-- THE RETURN EXPRESSION IN A FUNCTION WHOSE RETURN TYPE IS
31-- CONSTRAINED.
32
33-- EG  01/27/84
34
35WITH REPORT;
36
37PROCEDURE C43205I IS
38
39     USE REPORT;
40
41BEGIN
42
43     TEST("C43205I", "CONSTRAINED FUNCTION RESULT TYPE");
44
45     BEGIN
46
47CASE_I :  DECLARE
48
49               SUBTYPE STC IS INTEGER RANGE -2 .. 10;
50               TYPE BASE IS ARRAY(STC RANGE <>, STC RANGE <>)OF INTEGER;
51               SUBTYPE TC IS BASE(IDENT_INT(-1) .. 0, 7 .. 9);
52
53               FUNCTION FUN1 (A : INTEGER) RETURN TC IS
54               BEGIN
55                    RETURN ((5, 4, 3), (2, 1, 0));
56               END;
57
58          BEGIN
59
60               IF FUN1(5)'FIRST(1) /= -1 THEN
61                    FAILED ("CASE I : LOWER BOUND INCORRECT " &
62                            "FOR 'FIRST(1)");
63               ELSIF FUN1(5)'FIRST(2) /= 7 THEN
64                    FAILED ("CASE I : LOWER BOUND INCORRECT " &
65                            "FOR 'FIRST(2)");
66               ELSIF FUN1(5)'LAST(1) /= 0 THEN
67                    FAILED ("CASE I : UPPER BOUND INCORRECT " &
68                            "FOR 'LAST(1)");
69               ELSIF FUN1(5)'LAST(2) /= 9 THEN
70                    FAILED ("CASE I : UPPER BOUND INCORRECT " &
71                            "FOR 'LAST(2)");
72               ELSIF FUN1(5) /= ((5, 4, 3), (2, 1, 0)) THEN
73                    FAILED ("CASE I : FUNCTION DOES NOT " &
74                            "RETURN THE CORRECT VALUES");
75               END IF;
76
77          END CASE_I;
78
79     END;
80
81     RESULT;
82
83END C43205I;
84