gcc/testsuite/ada/acats/tests/c5/c52008a.ada

   1 -- C52008A.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 A RECORD VARIABLE CONSTRAINED BY A SPECIFIED DISCRIMINANT
  26 -- VALUE CANNOT HAVE ITS DISCRIMINANT VALUE ALTERED BY ASSIGNMENT.
  27 -- ASSIGNING AN ENTIRE RECORD VALUE WITH A DIFFERENT DISCRIMINANT VALUE
  28 -- SHOULD RAISE CONSTRAINT_ERROR AND LEAVE THE TARGET VARIABLE
  29 -- UNALTERED.  THIS TEST USES STATIC DISCRIMINANT VALUES.
  30
  31 -- ASL 6/25/81
  32 -- SPS 3/21/83
  33
  34 WITH REPORT;
  35 PROCEDURE C52008A IS
  36
  37      USE REPORT;
  38
  39      TYPE REC(DISC : INTEGER) IS
  40           RECORD
  41                COMP : INTEGER;
  42           END RECORD;
  43
  44      R : REC(5) := (5,0);
  45
  46 BEGIN
  47
  48      TEST ("C52008A", "CANNOT ASSIGN RECORD VARIABLE WITH SPECIFIED " &
  49                       "DISCRIMINANT VALUE A VALUE WITH A DIFFERENT " &
  50                       "STATIC DISCRIMINANT VALUE");
  51
  52      BEGIN
  53           R := (DISC => 5, COMP => 3);
  54           IF R /= (5,3) THEN
  55                FAILED ("LEGAL ASSIGNMENT FAILED");
  56           END IF;
  57           R := (DISC => 4, COMP => 2);
  58           FAILED ("RECORD ASSIGNED VALUE WITH DIFFERENT DISCRIMINANT " &
  59                   "VALUE");
  60      EXCEPTION
  61           WHEN CONSTRAINT_ERROR =>
  62                IF R /= (5,3) THEN
  63                     FAILED ("TARGET RECORD VALUE ALTERED BY " &
  64                             "ASSIGNMENT TO VALUE WITH DIFFERENT " &
  65                             "DISCRIMINANT VALUE EVEN AFTER " &
  66                             "CONSTRAINT_ERROR RAISED");
  67                END IF;
  68           WHEN OTHERS => FAILED ("WRONG EXCEPTION");
  69      END;
  70
  71      RESULT;
  72
  73 END C52008A;