gcc/testsuite/ada/acats/tests/c3/c35502n.ada

   1 -- C35502N.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 -- OBJECTIVE:
  26 --     CHECK THAT 'POS' AND 'VAL' YIELD THE CORRECT RESULTS WHEN
  27 --     THE PREFIX IS A FORMAL DISCRETE TYPE WHOSE ACTUAL ARGUMENT IS
  28 --     AN ENUMERATION TYPE, OTHER THAN A BOOLEAN OR A CHARACTER TYPE,
  29 --     WITH AN ENUMERATION REPRESENTATION CLAUSE.
  30
  31 -- HISTORY:
  32 --     RJW 05/27/86
  33 --     DWC 07/22/87  ADDED THE PARAMETER 'N' TO FUNCTION F.
  34 --     PWB 05/11/89  CHANGED EXTENSION FROM '.DEP' TO '.ADA'.
  35
  36 WITH REPORT; USE REPORT;
  37
  38 PROCEDURE C35502N IS
  39
  40      TYPE ENUM IS (A, BC, ABC, A_B_C, ABCD);
  41      FOR ENUM USE (A => 1, BC => 4, ABC => 5, A_B_C => 6,
  42                    ABCD => 8);
  43
  44      SUBTYPE SUBENUM IS ENUM RANGE A .. BC;
  45
  46      TYPE NEWENUM IS NEW ENUM;
  47      SUBTYPE SUBNEW IS NEWENUM RANGE A .. BC;
  48
  49 BEGIN
  50      TEST ("C35502N", "CHECK THAT 'POS' AND 'VAL' YIELD THE " &
  51                       "CORRECT RESULTS WHEN THE PREFIX IS A " &
  52                       "FORMAL DISCRETE TYPE WHOSE ACTUAL ARGUMENT " &
  53                       "IS AN ENUMERATION TYPE, OTHER THAN A " &
  54                       "CHARACTER OR A BOOLEAN TYPE, WITH AN " &
  55                       "ENUMERATION REPRESENTATION CLAUSE" );
  56
  57      DECLARE
  58
  59           GENERIC
  60                TYPE E IS (<>);
  61                STR : STRING;
  62           PROCEDURE P;
  63
  64           PROCEDURE P IS
  65                SUBTYPE SE IS E RANGE E'VAL(0) .. E'VAL(1);
  66                POSITION : INTEGER;
  67           BEGIN
  68
  69                POSITION := 0;
  70
  71                FOR E1 IN E LOOP
  72                     IF SE'POS (E1) /= POSITION THEN
  73                          FAILED ( "INCORRECT " & STR & "'POS (" &
  74                                    E'IMAGE (E1) & ")" );
  75                     END IF;
  76
  77                     IF SE'VAL (POSITION) /= E1 THEN
  78                          FAILED ( "INCORRECT " & STR & "'VAL (" &
  79                                    INTEGER'IMAGE (POSITION) &
  80                                    ")" );
  81                     END IF;
  82
  83                     POSITION := POSITION + 1;
  84                END LOOP;
  85
  86                BEGIN
  87                     IF E'VAL (-1) = E'VAL (1) THEN
  88                          FAILED ( "NO EXCEPTION RAISED FOR " &
  89                                    STR & "'VAL (-1) - 1" );
  90                     ELSE
  91                          FAILED ( "NO EXCEPTION RAISED FOR " &
  92                                    STR & "'VAL (-1) - 2" );
  93                     END IF;
  94                EXCEPTION
  95                      WHEN CONSTRAINT_ERROR =>
  96                          NULL;
  97                WHEN OTHERS =>
  98                          FAILED ( "WRONG EXCEPTION RAISED FOR " &
  99                                    STR & "'VAL (-1)" );
 100                END;
 101
 102                BEGIN
 103                     IF E'VAL (5) = E'VAL (4) THEN
 104                          FAILED ( "NO EXCEPTION RAISED FOR " &
 105                                    STR & "'VAL (5) - 1" );
 106                     ELSE
 107                          FAILED ( "NO EXCEPTION RAISED FOR " &
 108                                    STR & "'VAL (5) - 2" );
 109                     END IF;
 110                EXCEPTION
 111                     WHEN CONSTRAINT_ERROR =>
 112                          NULL;
 113                     WHEN OTHERS =>
 114                          FAILED ( "WRONG EXCEPTION RAISED FOR " &
 115                                    STR & "'VAL (5)" );
 116                END;
 117           END P;
 118
 119           PROCEDURE PE IS NEW P ( ENUM, "ENUM" );
 120           PROCEDURE PN IS NEW P ( NEWENUM, "NEWENUM" );
 121      BEGIN
 122           PE;
 123           PN;
 124      END;
 125
 126      DECLARE
 127           FUNCTION A_B_C RETURN ENUM IS
 128           BEGIN
 129                RETURN ENUM'VAL (IDENT_INT (0));
 130           END A_B_C;
 131
 132           GENERIC
 133                TYPE E IS (<>);
 134           FUNCTION F (N : INTEGER;
 135                       E1 : E) RETURN BOOLEAN;
 136
 137           FUNCTION F (N : INTEGER;
 138                       E1 : E) RETURN BOOLEAN IS
 139           BEGIN
 140                RETURN E'VAL (N) = E1;
 141           END F;
 142
 143           FUNCTION FE IS NEW F (ENUM);
 144
 145      BEGIN
 146
 147      IF NOT FE (0, A_B_C) THEN
 148           FAILED ( "INCORRECT VAL FOR A_B_C WHEN HIDDEN " &
 149                    "BY A FUNCTION" );
 150      END IF;
 151
 152      IF NOT FE (3, C35502N.A_B_C) THEN
 153                     FAILED ( "INCORRECT VAL FOR C35502N.A_B_C" );
 154      END IF;
 155      END;
 156
 157      RESULT;
 158 END C35502N;