gcc/testsuite/ada/acats/tests/c5/c54a07a.ada

   1 -- C54A07A.ADA
   2
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   8 --     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
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  12 --     released technical data and computer software in whole or in part, in
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  16 --                                    DISCLAIMER
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  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
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  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
  35 WITH REPORT ;
  36 PROCEDURE  C54A07A  IS
  37
  38      USE REPORT ;
  39
  40 BEGIN
  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
  49 B1 :      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
 111 END C54A07A ;