1-- C52008B.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-- OBJECTIVE:
26--     CHECK THAT A RECORD VARIABLE DECLARED WITH A SPECIFIED
27--     DISCRIMINANT CONSTRAINT CANNOT HAVE A DISCRIMINANT VALUE ALTERED
28--     BY ASSIGNMENT.  ASSIGNING AN ENTIRE RECORD VALUE WITH A
29--     DIFFERENT DISCRIMINANT VALUE SHOULD RAISE CONSTRAINT_ERROR AND
30--     LEAVE THE TARGET VARIABLE UNALTERED.  THIS TEST USES NON-STATIC
31--     DISCRIMINANT VALUES.
32
33-- HISTORY:
34--     ASL  6/25/81  CREATED ORIGINAL TEST
35--     JRK 11/18/82
36--     RJW  8/17/89  ADDED SUBTYPE 'SUBINT'.
37
38WITH REPORT;
39PROCEDURE C52008B IS
40
41     USE REPORT;
42
43     TYPE REC1(D1,D2 : INTEGER) IS
44          RECORD
45               COMP1 : STRING(D1..D2);
46          END RECORD;
47
48     TYPE AR_REC1 IS ARRAY (NATURAL RANGE <>) OF REC1(IDENT_INT(3),
49                                                      IDENT_INT(5));
50
51     SUBTYPE SUBINT IS INTEGER RANGE -128 .. 127;
52
53     TYPE REC2(D1,D2,D3,D4 : SUBINT := 0) IS
54          RECORD
55               COMP1 : STRING(1..D1);
56               COMP2 : STRING(D2..D3);
57               COMP5 : AR_REC1(1..D4);
58               COMP6 : REC1(D3,D4);
59          END RECORD;
60
61     STR : STRING(IDENT_INT(3)..IDENT_INT(5)) := "ZZZ";
62
63     R1A : REC1(IDENT_INT(3),IDENT_INT(5)) := (3,5,STR);
64     R1C : REC1(5,6) := (5,6,COMP1 => (5..6 => 'K'));
65
66     Q,R : REC2(IDENT_INT(2),IDENT_INT(3),IDENT_INT(5),IDENT_INT(6));
67     TEMP : REC2(2,3,5,6);
68
69     W : REC2(1,4,6,8);
70     OK : BOOLEAN := FALSE;
71
72
73BEGIN
74
75     TEST ("C52008B", "CANNOT ASSIGN RECORD VARIABLE WITH SPECIFIED " &
76                      "DISCRIMINANT VALUE A VALUE WITH A DIFFERENT " &
77                      "(DYNAMIC) DISCRIMINANT VALUE");
78
79     BEGIN
80          R1A := (IDENT_INT(3),5,"XYZ");
81
82          R := (IDENT_INT(2),IDENT_INT(3),IDENT_INT(5),IDENT_INT(6),
83                "AB",
84                STR,
85                (1..6 => R1A),
86                R1C);
87
88          TEMP := R;
89          Q := TEMP;
90          R.COMP1 := "YY";
91          OK := TRUE;
92          W := R;
93          FAILED ("ASSIGNMENT MADE USING INCORRECT DISCRIMINANT " &
94                  "VALUES");
95     EXCEPTION
96          WHEN CONSTRAINT_ERROR =>
97               IF NOT OK
98               OR Q /= TEMP
99               OR R = TEMP
100               OR R = Q
101               OR W.D4 /= 8 THEN
102                    FAILED ("LEGITIMATE ASSIGNMENT FAILED");
103               END IF;
104          WHEN OTHERS =>
105               FAILED ("WRONG EXCEPTION");
106     END;
107
108     RESULT;
109
110END C52008B;
111