3 -- Grant of Unlimited Rights
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
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.
25 -- CHECK INDEX CONSTRAINTS FOR ASSIGNMENT OF ACCESS SUBTYPES.
26 -- SPECIFICALLY, CHECK THAT:
28 -- A) ANY ACCESS TYPE VARIABLE AND CONSTRAINED SUBTYPE VARIABLES OF THAT
29 -- TYPE MAY BE ASSIGNED TO ONE ANOTHER IF THE VALUE BEING ASSIGNED
32 -- B) VARIABLES OF THE SAME CONSTRAINED ACCESS SUBTYPE MAY BE ASSIGNED
33 -- TO ONE ANOTHER OR TO VARIABLES OF THE BASE ACCESS TYPE.
35 -- C) CONSTRAINT_ERROR IS RAISED UPON ASSIGNMENT OF NON-NULL OBJECTS
36 -- BETWEEN DIFFERENTLY CONSTRAINED ACCESS SUBTYPES.
38 -- D) CONSTRAINT_ERROR IS RAISED UPON ASSIGNMENT OF A NON-NULL OBJECT
39 -- OF A BASE ACCESS TYPE VARIABLE TO A VARIABLE OF ONE OF ITS
40 -- CONSTRAINED SUBTYPES IF THE CONSTRAINTS ON THE OBJECT DIFFER
41 -- FROM THOSE ON THE SUBTYPE.
43 -- E) NULL CAN BE ASSIGNED TO BASE ACCESS TYPES AND ANY CONSTRAINED
44 -- SUBTYPES OF THIS TYPE.
49 -- RLB 6/29/01 - FIXED TO ALLOW AGGRESIVE OPTIMIZATION.
56 TYPE ARR
IS ARRAY(INTEGER RANGE <>) OF INTEGER;
57 TYPE ARR_NAME
IS ACCESS ARR
;
58 SUBTYPE S1
IS ARR_NAME
(IDENT_INT
(1)..IDENT_INT
(10));
59 SUBTYPE S2
IS ARR_NAME
(IDENT_INT
(3)..IDENT_INT
(6));
61 W
: ARR_NAME
:= NULL; -- E.
62 X1
,X2
: S1
:= NULL; -- E.
63 Y1
,Y2
: S2
:= NULL; -- E.
65 W_NONNULL
: ARR_NAME
:= NEW ARR
'(3..5=>7) ;
66 X1_NONNULL : S1 := NEW ARR'(IDENT_INT
(1)..IDENT_INT
(10)=>7);
67 Y1_NONNULL
: S2
:= NEW ARR
'(IDENT_INT(3)..IDENT_INT( 6)=>7);
69 TOO_EARLY : BOOLEAN := TRUE;
73 TEST ("C52011A", "INDEX CONSTRAINTS ON ACCESS SUBTYPE OBJECTS " &
74 "MUST BE SATISFIED FOR ASSIGNMENT");
79 W_NONNULL := X1; -- A.
81 IF W_NONNULL /= X1 THEN
82 FAILED ("ASSIGNMENT FAILED - 1");
86 X1_NONNULL := X2; -- A.
88 IF X1_NONNULL /= X2 THEN
89 FAILED ("ASSIGNMENT FAILED - 2");
93 X1_NONNULL := Y1; -- A.
96 FAILED ("ASSIGNMENT FAILED - 3");
99 X1 := NEW ARR'(1..IDENT_INT
(10) => 5);
104 FAILED
("ASSIGNMENT FAILED - 4");
111 FAILED
("ASSIGNMENT FAILED - 5");
116 IF Y1
'FIRST /= REPORT
.IDENT_INT
(3) THEN
117 FAILED
("NON-NULL ASSIGNMENT MADE BETWEEN TWO " &
118 "VARIABLES OF DIFFERENT CONSTRAINED ACCESS SUBTYPES " &
119 "AND CONSTRAINT IS CHANGED");
121 FAILED
("NON-NULL ASSIGNMENT MADE BETWEEN TWO " &
122 "VARIABLES OF DIFFERENT CONSTRAINED ACCESS SUBTYPES " &
123 "AND CONSTRAINT IS NOT CHANGED");
127 WHEN CONSTRAINT_ERROR
=> NULL;
130 FAILED
("WRONG EXCEPTION - 1");
134 W
:= NEW ARR
'(IDENT_INT(3)..IDENT_INT(6) => 3);
138 IF X1'FIRST /= REPORT.IDENT_INT(1) THEN
139 FAILED ("NON-NULL ASSIGNMENT MADE FROM UNCONSTRAINED " &
140 "ACCESS TYPE DESIGNATING CONSTRAINED OBJECT TO "&
141 "ACCESS SUBTYPE WITH DIFFERENT CONSTRAINT " &
142 "AND CONSTRAINT IS CHANGED");
144 FAILED ("NON-NULL ASSIGNMENT MADE FROM UNCONSTRAINED " &
145 "ACCESS TYPE DESIGNATING CONSTRAINED OBJECT TO "&
146 "ACCESS SUBTYPE WITH DIFFERENT CONSTRAINT " &
147 "AND CONSTRAINT IS NOT CHANGED");
151 WHEN CONSTRAINT_ERROR =>
155 FAILED ("WRONG EXCEPTION - 2");
162 FAILED ("EXCEPTION RAISED");