1-- C87B07A.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 OVERLOADING RESOLUTION USES THE RULE THAT:
26--
27-- FOR THE ATTRIBUTE OF THE FORM T'POS (X), THE OPERAND X MUST
28-- BE A VALUE OF TYPE T. THE RESULT IS OF TYPE UNIVERSAL_INTEGER.
29
30-- TRH  13 SEPT 82
31
32WITH REPORT; USE REPORT;
33
34PROCEDURE C87B07A IS
35
36     TYPE NATURAL IS NEW INTEGER RANGE 1 .. INTEGER'LAST;
37     TYPE WHOLE   IS NEW INTEGER RANGE 0 .. INTEGER'LAST;
38     TYPE COLOR   IS (BROWN, RED, WHITE);
39     TYPE SCHOOL  IS (HARVARD, BROWN, YALE);
40     TYPE SUGAR   IS (DEXTROSE, CANE, BROWN);
41
42     FUNCTION "+" (X, Y : NATURAL) RETURN NATURAL
43          RENAMES "*";
44     FUNCTION "+" (X, Y : WHOLE) RETURN WHOLE
45          RENAMES "-";
46
47BEGIN
48     TEST ("C87B07A","OVERLOADED OPERANDS TO THE 'POS' ATTRIBUTE");
49
50     IF NATURAL'POS (1 + 1) /= 1 OR COLOR'POS  (BROWN) /= 0 OR
51        WHOLE'POS   (1 + 1) /= 0 OR SCHOOL'POS (BROWN) /= 1 OR
52        INTEGER'POS (1 + 1) /= 2 OR SUGAR'POS  (BROWN) /= 2 THEN
53        FAILED ("RESOLUTION INCORRECT FOR OPERAND TO 'POS' ATTRIBUTE");
54     END IF;
55
56     IF NATURAL'POS (3 + 3) + 1 /= 10 OR    -- SECOND "+" IS UNIVERSAL.
57        WHOLE'POS   (3 + 3) + 1 /=  1 OR    -- SECOND "+" IS UNIVERSAL.
58        INTEGER'POS (3 + 3) + 1 /=  7 THEN  -- SECOND "+" IS UNIVERSAL.
59        FAILED ("RESOLUTION INCORRECT - 'POS' ATTRIBUTE RETURNS " &
60                "A UNIVERSAL_INTEGER VALUE");
61     END IF;
62
63     RESULT;
64END C87B07A;
65