1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
-- C41205A.ADA
-- Grant of Unlimited Rights
--
-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
-- unlimited rights in the software and documentation contained herein.
-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
-- this public release, the Government intends to confer upon all
-- recipients unlimited rights equal to those held by the Government.
-- These rights include rights to use, duplicate, release or disclose the
-- released technical data and computer software in whole or in part, in
-- any manner and for any purpose whatsoever, and to have or permit others
-- to do so.
--
-- DISCLAIMER
--
-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
-- PARTICULAR PURPOSE OF SAID MATERIAL.
--*
-- CHECK THAT CONSTRAINT_ERROR IS RAISED IF THE NAME PART OF A
-- SLICE DENOTES AN ACCESS OBJECT WHOSE VALUE IS NULL, AND
-- ALSO IF THE NAME IS A FUNCTION CALL DELIVERING NULL.
-- WKB 8/6/81
-- SPS 10/26/82
-- EDS 07/14/98 AVOID OPTIMIZATION
WITH REPORT;
USE REPORT;
PROCEDURE C41205A IS
BEGIN
TEST ("C41205A", "CONSTRAINT_ERROR WHEN THE NAME PART OF A " &
"SLICE DENOTES A NULL ACCESS OBJECT OR A " &
"FUNCTION CALL DELIVERING NULL");
DECLARE
TYPE T IS ARRAY (INTEGER RANGE <> ) OF INTEGER;
SUBTYPE T1 IS T (1..5);
TYPE A1 IS ACCESS T1;
B : A1 := NEW T1' (1,2,3,4,5);
I : T (2..3);
BEGIN
IF EQUAL (3,3) THEN
B := NULL;
END IF;
I := B(2..3);
FAILED ("CONSTRAINT_ERROR NOT RAISED - 1 " & INTEGER'IMAGE(I(2)));
EXCEPTION
WHEN CONSTRAINT_ERROR => NULL;
WHEN OTHERS => FAILED ("WRONG EXCEPTION - 1");
END;
DECLARE
TYPE T IS ARRAY (INTEGER RANGE <> ) OF INTEGER;
SUBTYPE T2 IS T (1..5);
TYPE A2 IS ACCESS T2;
I : T (2..5);
FUNCTION F RETURN A2 IS
BEGIN
IF EQUAL (3,3) THEN
RETURN NULL;
END IF;
RETURN NEW T2' (1,2,3,4,5);
END F;
BEGIN
I := F(2..5);
FAILED ("CONSTRAINT_ERROR NOT RAISED - 2 " & INTEGER'IMAGE(I(2)));
EXCEPTION
WHEN CONSTRAINT_ERROR => NULL;
WHEN OTHERS => FAILED ("WRONG EXCEPTION - 2");
END;
RESULT;
END C41205A;
|
