1-- C52104R.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 THE THIRD FILE IN
33--    DIVISION  D : NULL LENGTHS NOT DETERMINABLE STATICALLY.
34
35
36-- RM 07/20/81
37-- SPS 3/22/83
38
39WITH REPORT;
40PROCEDURE  C52104R  IS
41
42     USE  REPORT ;
43
44BEGIN
45
46     TEST( "C52104R" , "CHECK THAT IN ARRAY ASSIGNMENTS AND IN SLICE" &
47                       " ASSIGNMENTS  THE LENGTHS MUST MATCH" );
48
49
50     --                              ( EACH DIVISION COMPRISES 3 FILES,
51     --                                COVERING RESPECTIVELY THE FIRST
52     --                                3 , NEXT 2 , AND LAST 3 OF THE 8
53     --                                SELECTIONS FOR THE DIVISION.)
54
55
56     -------------------------------------------------------------------
57
58     --    (7) UNSLICED OBJECTS OF THE PREDEFINED TYPE  'STRING'  (BY
59     --        THEMSELVES).
60
61     DECLARE
62
63          ARR71  :  STRING( IDENT_INT(1)..IDENT_INT(1) )  := "A" ;
64          ARR72  :  STRING( IDENT_INT(5)..IDENT_INT(4) )  := ""  ;
65
66     BEGIN
67
68          -- STRING ASSIGNMENT:
69
70          ARR72 := ARR71 ;
71          FAILED( "EXCEPTION NOT RAISED  -  SUBTEST 7" );
72
73     EXCEPTION
74
75          WHEN  CONSTRAINT_ERROR =>
76
77               -- CHECKING THE VALUES AFTER THE STRING ASSIGNMENT:
78
79               IF  ARR72 /= ""
80               THEN
81                    FAILED( "ORIGINAL VALUE ALTERED (7)" );
82               END IF;
83
84          WHEN  OTHERS  =>
85               FAILED( "WRONG EXCEPTION RAISED  -  SUBTEST 7" );
86
87     END ;
88
89
90     -------------------------------------------------------------------
91
92     --    (8) SLICED OBJECTS OF THE PREDEFINED TYPE  'STRING' , WITH
93     --        STRING LITERALS.
94     --
95
96     DECLARE
97
98          ARR82 : STRING( IDENT_INT(5)..IDENT_INT(9) ) ;
99
100     BEGIN
101
102
103          -- INITIALIZATION OF LHS ARRAY:
104
105          ARR82( IDENT_INT(5)..IDENT_INT(9) )  :=  "QUINC"  ;
106
107
108          -- STRING LITERAL ASSIGNMENT:
109
110          ARR82( IDENT_INT(5)..IDENT_INT(9) )
111               ( IDENT_INT(6)..IDENT_INT(9) )
112               ( IDENT_INT(6)..IDENT_INT(5) ) := "ABC" ;
113          FAILED( "EXCEPTION NOT RAISED  -  SUBTEST 8" );
114
115     EXCEPTION
116
117          WHEN  CONSTRAINT_ERROR =>
118
119               -- CHECKING THE VALUES AFTER THE STRING ASSIGNMENT:
120
121               IF  ARR82                                 /=  "QUINC"  OR
122                   ARR82(  IDENT_INT(5)..IDENT_INT(9)  ) /=  "QUINC"
123               THEN
124                    FAILED( "ORIGINAL VALUE ALTERED (8)" );
125               END IF;
126
127          WHEN  OTHERS  =>
128
129               FAILED( "WRONG EXCEPTION RAISED  -  SUBTEST 8" );
130
131     END ;
132
133
134     -------------------------------------------------------------------
135
136     --    (9) SLICED OBJECTS OF THE PREDEFINED TYPE  'STRING'  (BY
137     --        THEMSELVES).
138     --
139
140     DECLARE
141
142          SUBTYPE  TA92  IS  STRING( IDENT_INT(5)..IDENT_INT(9) ) ;
143
144          ARR91  :  STRING( IDENT_INT(1)..IDENT_INT(5) )  := "ABCDE" ;
145          ARR92  :  TA92 ;
146
147     BEGIN
148
149
150          -- INITIALIZATION OF LHS ARRAY:
151
152          ARR92( IDENT_INT(5)..IDENT_INT(9) )  :=  "QUINC"  ;
153
154
155          -- STRING SLICE ASSIGNMENT:
156
157          ARR92( IDENT_INT(5)..IDENT_INT(9) )
158               ( IDENT_INT(6)..IDENT_INT(9) )
159               ( IDENT_INT(8)..IDENT_INT(7) ) :=
160               ARR91
161               ( IDENT_INT(1)..IDENT_INT(5) )
162               ( IDENT_INT(5)..IDENT_INT(7) ) ;
163          FAILED( "EXCEPTION NOT RAISED  -  SUBTEST 9" );
164
165     EXCEPTION
166
167          WHEN  CONSTRAINT_ERROR =>
168
169               -- CHECKING THE VALUES AFTER THE STRING ASSIGNMENT:
170
171               IF ARR92                                 /=  "QUINC"  OR
172                  ARR92(  IDENT_INT(5)..IDENT_INT(9)  ) /=  "QUINC"
173               THEN
174                    FAILED( "ORIGINAL VALUE ALTERED (9)" );
175               END IF;
176
177          WHEN  OTHERS  =>
178
179               FAILED( "WRONG EXCEPTION RAISED  -  SUBTEST 9" );
180
181     END ;
182
183
184     -------------------------------------------------------------------
185
186
187     RESULT ;
188
189
190END C52104R;
191