1-- C4A005B.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 A NONSTATIC UNIVERSAL INTEGER EXPRESSION RAISES
26-- CONSTRAINT_ERROR IF DIVISION BY ZERO IS ATTEMPTED
27-- OR IF THE SECOND OPERAND OF REM OR MOD IS ZERO.
28
29-- *** NOTE: This test has been modified since ACVC version 1.11 to    -- 9X
30-- ***       remove incompatibilities associated with the transition   -- 9X
31-- ***       to Ada 9X.                                                -- 9X
32-- ***                                                                 -- 9X
33
34-- JBG 5/2/85
35-- EG  10/24/85  FIX NUMERIC_ERROR/CONSTRAINT_ERROR ACCORDING TO
36--               AI-00387; PREVENT DEAD VARIABLE OPTIMIZATION
37-- MRM 03/30/93  REMOVE NUMERIC_ERROR FOR 9X COMPATIBILITY
38
39WITH REPORT; USE REPORT;
40PROCEDURE C4A005B IS
41BEGIN
42     TEST("C4A005B", "CHECK CONSTRAINT_ERROR FOR " &
43                     "NONSTATIC UNIVERSAL " &
44                     "INTEGER EXPRESSIONS - DIVISION BY ZERO");
45     BEGIN
46          DECLARE
47               X : BOOLEAN := 1 = 1/INTEGER'POS(IDENT_INT(0));
48          BEGIN
49               FAILED ("CONSTRAINT_ERROR NOT RAISED - DIV");
50               IF X /= IDENT_BOOL(X) THEN
51                    FAILED ("WRONG RESULT - DIV");
52               END IF;
53          EXCEPTION
54               WHEN OTHERS =>
55                    FAILED ("EXCEPTION IN WRONG PLACE - DIV");
56          END;
57     EXCEPTION
58          WHEN CONSTRAINT_ERROR =>
59               COMMENT ("CONSTRAINT_ERROR RAISED FOR / BY 0");
60          WHEN OTHERS =>
61               FAILED ("WRONG EXCEPTION RAISED - DIV");
62     END;
63
64     BEGIN
65          DECLARE
66               X : BOOLEAN := 1 = 1 REM INTEGER'POS(IDENT_INT(0));
67          BEGIN
68               FAILED ("CONSTRAINT_ERROR NOT RAISED - REM");
69               IF X /= IDENT_BOOL(X) THEN
70                    FAILED ("WRONG RESULT - REM");
71               END IF;
72          EXCEPTION
73               WHEN OTHERS =>
74                    FAILED ("EXCEPTION IN WRONG PLACE - REM");
75          END;
76     EXCEPTION
77          WHEN CONSTRAINT_ERROR =>
78               COMMENT ("CONSTRAINT_ERROR RAISED FOR REM BY 0");
79          WHEN OTHERS =>
80               FAILED ("WRONG EXCEPTION RAISED - REM");
81     END;
82
83     BEGIN
84          DECLARE
85               X : BOOLEAN := 1 = INTEGER'POS(IDENT_INT(1)) MOD 0;
86          BEGIN
87               FAILED ("CONSTRAINT_ERROR NOT RAISED - MOD");
88               IF X /= IDENT_BOOL(X) THEN
89                    FAILED ("WRONG RESULT - MOD");
90               END IF;
91          EXCEPTION
92               WHEN OTHERS =>
93                    FAILED ("EXCEPTION IN WRONG PLACE - MOD");
94          END;
95     EXCEPTION
96          WHEN CONSTRAINT_ERROR =>
97               COMMENT ("CONSTRAINT_ERROR RAISED FOR MOD BY 0");
98          WHEN OTHERS =>
99               FAILED ("WRONG EXCEPTION RAISED - MOD");
100     END;
101
102     RESULT;
103
104END C4A005B;
105