1-- C54A07A.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 A VARIABLE USED AS A CASE EXPRESSION IS NOT CONSIDERED
26--    LOCAL TO THE CASE STATEMENT.  IN PARTICULAR, CHECK THAT THE
27--    VARIABLE CAN BE ASSIGNED A NEW VALUE, AND THE ASSIGNMENT TAKES
28--    EFFECT IMMEDIATELY (I.E. THE CASE STATEMENT DOES NOT USE A
29--    COPY OF THE CASE EXPRESSION).
30
31
32-- RM 01/21/80
33
34
35WITH REPORT ;
36PROCEDURE  C54A07A  IS
37
38     USE REPORT ;
39
40BEGIN
41
42     TEST("C54A07A" , "CHECK THAT A VARIABLE USED AS A CASE" &
43                      " EXPRESSION IS NOT CONSIDERED LOCAL TO" &
44                      " THE CASE STATEMENT" );
45
46     DECLARE   -- A
47     BEGIN
48
49B1 :      DECLARE
50
51               TYPE  VARIANT_REC( DISCR : BOOLEAN := TRUE )  IS
52                    RECORD
53                         A , B : INTEGER ;
54                         CASE  DISCR  IS
55                              WHEN  TRUE   =>  P , Q : CHARACTER ;
56                              WHEN  FALSE  =>  X , Y : INTEGER   ;
57                         END CASE;
58                    END RECORD ;
59
60               V : VARIANT_REC := ( TRUE , 1 , 2 ,
61                                           IDENT_CHAR( 'P' )   ,
62                                           IDENT_CHAR( 'Q' )   );
63
64          BEGIN
65
66               IF  EQUAL( 3 , 7 )  THEN  V := ( FALSE , 3 , 4 , 7 , 8 );
67               END IF;
68
69               CASE  V.DISCR  IS
70
71                    WHEN  TRUE    =>
72
73                         IF  ( V.P /= 'P'  OR
74                               V.Q /= 'Q'  )
75                         THEN  FAILED( "WRONG VALUES  -  1" );
76                         END IF;
77
78                         B1.V  :=  ( FALSE , 3 , 4 ,
79                                             IDENT_INT( 5 )   ,
80                                             IDENT_INT( 6 )   );
81
82                         IF  V.DISCR  THEN FAILED( "WRONG DISCR." );
83                         END IF;
84
85                         IF  ( V.X /= 5  OR
86                               V.Y /= 6  )
87                         THEN  FAILED( "WRONG VALUES  -  2" );
88                         END IF;
89
90                    WHEN  FALSE   =>
91                         FAILED( "WRONG BRANCH IN CASE STMT." );
92
93               END CASE;
94
95          EXCEPTION
96
97               WHEN  OTHERS  =>  FAILED("EXCEPTION RAISED");
98
99          END B1 ;
100
101     EXCEPTION
102
103          WHEN  OTHERS  =>  FAILED( "EXCEPTION RAISED BY DECLARATIONS");
104
105     END ;    -- A
106
107
108     RESULT ;
109
110
111END C54A07A ;
112