1-- C52104Y.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 LENGTHS MUST MATCH IN ARRAY AND SLICE ASSIGNMENTS.
26--    MORE SPECIFICALLY, TEST THAT ATTEMPTED ASSIGNMENTS BETWEEN
27--    ARRAYS WITH NON-MATCHING LENGTHS LEAVE THE DESTINATION ARRAY
28--    INTACT AND CAUSE  CONSTRAINT_ERROR  TO BE RAISED.
29--    (OVERLAPS BETWEEN THE OPERANDS OF THE ASSIGNMENT STATEMENT
30--    ARE TREATED ELSEWHERE.)
31
32-- THIS IS A SPECIAL CASE IN
33
34--    DIVISION  D :  NULL ARRAYS WHOSE LENGTHS ARE NOT DETERMINABLE
35--                   STATICALLY
36
37-- WHICH (THE SPECIAL CASE) TREATS TWO-DIMENSIONAL ARRAYS WHOSE LENGTH
38--    ALONG ONE DIMENSION IS GREATER THAN  INTEGER'LAST  AND WHOSE
39--    LENGTH ALONG THE OTHER DIMENSION IS  0 .
40--    AN ADDITIONAL OBJECTIVE OF THIS TEST IS TO CHECK WHETHER LENGTH
41--    COMPARISONS (AND LENGTH COMPUTATIONS) CAUSE  CONSTRAINT_ERROR
42--    TO BE RAISED.
43
44-- *** NOTE: This test has been modified since ACVC version 1.11 to    -- 9X
45-- ***       remove incompatibilities associated with the transition   -- 9X
46-- ***       to Ada 9X.                                                -- 9X
47-- ***                                                                 -- 9X
48
49-- RM  07/31/81
50-- SPS 03/22/83
51-- JBG 06/16/83
52-- EG  10/28/85  FIX NUMERIC_ERROR/CONSTRAINT_ERROR ACCORDING TO
53--               AI-00387.
54-- MRM 03/30/93  REMOVE NUMERIC_ERROR FOR 9X COMPATIBILITY
55
56WITH REPORT;
57PROCEDURE  C52104Y  IS
58
59     USE  REPORT ;
60
61BEGIN
62
63     TEST( "C52104Y" , "CHECK THAT IN ARRAY ASSIGNMENTS AND IN SLICE" &
64                       " ASSIGNMENTS, THE LENGTHS MUST MATCH" );
65
66     -- IN THIS TEST WE CAN'T USE AGGREGATE ASSIGNMENT (EXCEPT WHEN
67     --    THE AGGREGATES ARE STRING LITERALS); THEREFORE:
68     --
69     --    (1) ARRAYS WILL BE INITIALIZED BY INDIVIDUAL ASSIGNMENTS;
70     --    (2) CAN'T USE NON-NULL CONSTANT ARRAYS.
71
72
73     -- WE ASSUME THAT IN AN ARRAY_TYPE_DEFINITION THE INDEX PORTION
74     --    AND THE COMPONENT_TYPE PORTION ARE FUNCTIONALLY ORTHOGONAL
75     --    ALSO AT THE IMPLEMENTATION LEVEL, I.E. THAT THE CORRECTNESS
76     --    OF THE ACCESSING MECHANISM FOR ARRAYS DOES NOT DEPEND ON
77     --    COMPONENT_TYPE.  ACCORDINGLY WE ARE TESTING FOR SOME BUT
78     --    NOT ALL KINDS OF COMPONENT_TYPE.  (COMPONENT_TYPES INCLUDED:
79     --    INTEGER , CHARACTER , BOOLEAN .)
80
81
82     -------------------------------------------------------------------
83
84     --   (10) MULTIDIMENSIONAL ARRAY OBJECTS WHOSE TYPEMARKS WERE
85     --        DEFINED USING THE "BOX" COMPOUND SYMBOL.
86     --        (TWO-DIMENSIONAL ARRAYS OF BOOLEANS.)
87
88CONSTR_ERR:
89     BEGIN          -- THIS BLOCK CATCHES CONSTRAINT_ERROR IF IT IS
90                    -- RAISED BY THE SUBTYPE DECLARATION.
91
92DCL_ARR:  DECLARE
93
94               TYPE  TABOX5  IS  ARRAY( INTEGER RANGE <> ,
95                                        INTEGER RANGE <> )  OF BOOLEAN ;
96               PRAGMA PACK (TABOX5);
97
98               SUBTYPE  TABOX52  IS  TABOX5(
99                         IDENT_INT(13)..IDENT_INT(       13       ) ,
100                         IDENT_INT(-6)..IDENT_INT( INTEGER'LAST-4 ) );
101
102          BEGIN
103
104               COMMENT ("NO CONSTRAINT_ERROR FOR NON-NULL ARRAY SUBTYPE " &
105                        "WHEN ONE DIMENSION HAS INTEGER'LAST + 3 " &
106                        "COMPONENTS");
107
108OBJ_DCL:       DECLARE   -- THIS BLOCK DECLARES ONE NULL ARRAY AND ONE
109                         -- PACKED BOOLEAN ARRAY WITH INTEGER'LAST + 3
110                         -- COMPONENTS;  STORAGE ERROR MAY BE RAISED.
111
112                    ARRX51  :  TABOX5(
113                         IDENT_INT(13)..IDENT_INT(       12       ) ,
114                         IDENT_INT(-6)..IDENT_INT( INTEGER'LAST-4 ) );
115                    ARRX52  :  TABOX52 ;     -- BIG ARRAY HERE.
116
117               BEGIN
118
119                    COMMENT ("NO CONSTRAINT OR STORAGE ERROR WHEN ARRAY "&
120                            "WITH INTEGER'LAST+3 COMPONENTS ALLOCATED");
121
122               -- NULL ARRAY ASSIGNMENT:
123
124                    ARRX52 := ARRX51 ;
125                    FAILED( "EXCEPTION NOT RAISED  (10)" );
126
127               EXCEPTION
128
129                    WHEN CONSTRAINT_ERROR =>
130                         COMMENT ("CONSTRAINT_ERROR RAISED WHEN " &
131                                  "CHECKING LENGTHS FOR ARRAY HAVING " &
132                                  "> INTEGER'LAST COMPONENTS ON ONE " &
133                                  "DIMENSION");
134
135
136                    WHEN  OTHERS  =>
137                         FAILED( "OTHER EXCEPTION RAISED - SUBTEST 10");
138
139               END OBJ_DCL;
140
141          EXCEPTION
142
143               WHEN STORAGE_ERROR =>
144                    COMMENT ("STORAGE_ERROR RAISED WHEN DECLARING ONE "&
145                             "PACKED BOOLEAN ARRAY WITH INTEGER'LAST "&
146                             "+ 3 COMPONENTS");
147               WHEN CONSTRAINT_ERROR =>
148                    COMMENT ("CONSTRAINT_ERROR RAISED WHEN DECLARING "&
149                             "ONE PACKED BOOLEAN ARRAY WITH "&
150                             "INTEGER'LAST + 3 COMPONENTS");
151               WHEN OTHERS =>
152                    FAILED ("SOME EXCEPTION RAISED - 3");
153
154          END DCL_ARR;
155
156     EXCEPTION
157
158
159          WHEN CONSTRAINT_ERROR =>
160               COMMENT ("CONSTRAINT_ERROR RAISED WHEN DECLARING AN " &
161                        "ARRAY SUBTYPE WITH INTEGER'LAST + 3 " &
162                        "COMPONENTS");
163
164          WHEN STORAGE_ERROR =>
165               FAILED ("STORAGE_ERROR RAISED FOR TYPE DECLARATION");
166
167          WHEN  OTHERS  =>
168               FAILED( "OTHER EXCEPTION RAISED - 4");
169
170     END CONSTR_ERR;
171
172     RESULT ;
173
174END C52104Y;
175