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comparison gcc/testsuite/ada/acats/tests/c4/c4a013a.ada @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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68:561a7518be6b 111:04ced10e8804
1 -- C4A013A.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 FOR A NONSTATIC
26 -- UNIVERSAL_REAL EXPRESSION IF THE VALUE WOULD LIE OUTSIDE THE RANGE OF
27 -- THE BASE TYPE OF THE MOST ACCURATE PREDEFINED FLOATING POINT TYPE AND
28 -- MACHINE_OVERFLOWS IS TRUE FOR THAT TYPE.
29
30 -- *** NOTE: This test has been modified since ACVC version 1.11 to -- 9X
31 -- *** remove incompatibilities associated with the transition -- 9X
32 -- *** to Ada 9X. -- 9X
33 -- *** -- 9X
34
35 -- BAW 29 SEPT 80
36 -- TBN 10/30/85 RENAMED FROM C4A013A.ADA.
37 -- JRK 1/13/86 COMPLETELY REVISED TO CHECK NONSTATIC UNIVERSAL_REAL
38 -- EXPRESSIONS WHOSE RESULTS OVERFLOW. REVISED
39 -- NUMERIC_ERROR/CONSTRAINT_ERROR ACCORDING TO
40 -- AI-00387.
41 -- MRM 03/30/93 REMOVED NUMERIC_ERROR FOR 9X COMPATIBILITY
42
43 WITH SYSTEM, REPORT;
44 USE SYSTEM, REPORT;
45
46 PROCEDURE C4A013A IS
47
48 TYPE F IS DIGITS MAX_DIGITS;
49
50 B : BOOLEAN;
51
52 BEGIN
53 TEST ("C4A013A", "CHECK NONSTATIC UNIVERSAL_REAL EXPRESSIONS " &
54 "WHOSE RESULTS OVERFLOW");
55
56 BEGIN
57 B := 1.0 < 1.0 / (1.0 * INTEGER'POS (IDENT_INT (0)));
58
59 IF F'MACHINE_OVERFLOWS THEN
60 FAILED ("MACHINE_OVERFLOWS IS TRUE, BUT NO EXCEPTION " &
61 "WAS RAISED");
62 ELSE COMMENT ("MACHINE_OVERFLOWS IS FALSE AND NO EXCEPTION " &
63 "WAS RAISED");
64 END IF;
65
66 IF NOT B THEN -- USE B TO PREVENT DEAD VARIABLE OPTIMIZATION.
67 COMMENT ("1.0 < 1.0 / 0.0 YIELDS FALSE");
68 END IF;
69 EXCEPTION
70 WHEN CONSTRAINT_ERROR =>
71 COMMENT ("CONSTRAINT_ERROR RAISED");
72 WHEN OTHERS =>
73 FAILED ("WRONG EXCEPTION RAISED");
74 END;
75
76 RESULT;
77 END C4A013A;