old-autovect-branch/gcc/testsuite/ada/acats/tests/c5/c58005a.ada

   1 -- C58005A.ADA
   2
   3 --                             Grant of Unlimited Rights
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   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 WHEN A FUNCTION IS READY TO RETURN CONTROL TO ITS INVOKER
  26 --    THE CONSTRAINTS ON THE RETURN VALUES ARE CHECKED, AND THAT
  27 --     CONSTRAINT ERROR  IS THEN RAISED IF AND ONLY IF THE CONSTRAINTS
  28 --    ARE NOT SATISFIED.
  29
  30 -- THIS TEST CHECKS THAT THE EXCEPTION IS RAISED UNDER THE APPROPRIATE
  31 --    CONDITIONS; IT ALSO CHECKS THE IDENTITY OF THE EXCEPTION.  THE
  32 --    PRECISE MOMENT AND PLACE THE EXCEPTION IS RAISED IS TESTED
  33 --    ELSEWHERE.
  34
  35
  36 -- RM 05/14/81
  37 -- SPS 10/26/82
  38
  39 WITH REPORT;
  40 PROCEDURE  C58005A  IS
  41
  42      USE  REPORT ;
  43
  44      INTVAR  :  INTEGER ;
  45
  46 BEGIN
  47
  48      TEST( "C58005A" , "CHECK THAT EXCEPTIONS ARE RAISED BY A RETURN"  &
  49                        " STATEMENT IF AND ONLY IF THE CONSTRAINTS ARE" &
  50                        " VIOLATED" );
  51
  52
  53      DECLARE
  54           SUBTYPE I1 IS INTEGER RANGE -10..90;
  55           SUBTYPE I2 IS INTEGER RANGE 1..10;
  56           FUNCTION  FN1( X : I1 )
  57                     RETURN  I2  IS
  58           BEGIN
  59                RETURN  0 ;
  60           END  FN1 ;
  61
  62           FUNCTION  FN2( X : I1 )
  63                     RETURN  I2  IS
  64           BEGIN
  65                RETURN  X + IDENT_INT(0) ;
  66           END  FN2 ;
  67
  68           FUNCTION  FN3( X : I1  )
  69                     RETURN  I2  IS
  70                HUNDRED : INTEGER RANGE -100..100 := IDENT_INT(100) ;
  71           BEGIN
  72                RETURN  HUNDRED - 90 ;
  73           END  FN3 ;
  74
  75      BEGIN
  76
  77           INTVAR := 0 ;
  78
  79           BEGIN
  80                INTVAR := FN1( 0 ) + INTVAR ;  -- EXCEPTION.
  81                FAILED( "EXCEPTION NOT RAISED  -  1" );
  82           EXCEPTION
  83                WHEN CONSTRAINT_ERROR => INTVAR := INTVAR + 10 ;
  84                WHEN OTHERS => FAILED( "WRONG EXCEPTION RAISED  -  1" ) ;
  85           END ;
  86
  87           BEGIN
  88                INTVAR := FN2( 1 ) + INTVAR ; -- 10+1=11 -- NO EXCEPTION.
  89                INTVAR := INTVAR + 100 ;   -- 11+100=111
  90           EXCEPTION
  91                WHEN OTHERS => FAILED( "EXCEPTION RAISED  -  2" ) ;
  92           END ;
  93
  94           BEGIN
  95                INTVAR := FN2(11 ) + INTVAR ;  -- EXCEPTION.
  96                FAILED( "EXCEPTION NOT RAISED  -  3" );
  97           EXCEPTION
  98                WHEN CONSTRAINT_ERROR => INTVAR := INTVAR + 10 ; -- 121
  99                WHEN OTHERS => FAILED( "WRONG EXCEPTION RAISED  -  3" ) ;
 100           END ;
 101
 102           BEGIN
 103                INTVAR := FN3( 0 ) + INTVAR ;--121+10=131 --NO EXCEPTION.
 104                INTVAR := INTVAR + 1000 ;-- 131+1000=1131
 105           EXCEPTION
 106                WHEN OTHERS => FAILED( "EXCEPTION RAISED  -  4" ) ;
 107           END ;
 108
 109
 110      END ;
 111
 112
 113      IF  INTVAR /= 1131  THEN
 114           FAILED("WRONG FLOW OF CONTROL" );
 115      END IF;
 116
 117
 118      RESULT ;
 119
 120
 121 END C58005A;