gcc/testsuite/ada/acats/tests/c8/c87b08a.ada

   1 -- C87B08A.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 OVERLOADING RESOLUTION USES THE RULE THAT:
  26 --
  27 -- FOR EACH REAL TYPE, THERE EXISTS AN IMPLICIT CONVERSION THAT
  28 -- CONVERTS A UNIVERSAL REAL VALUE INTO THE CORRESPONDING VALUE
  29 -- OF THE REAL TYPE. THIS TEST USES LITERALS AS UNIVERSAL REAL
  30 -- VALUES.
  31
  32 -- TRH  16 AUG 82
  33 -- PWN 01/31/95  REMOVED INCONSISTENCIES WITH ADA 9X.
  34
  35 WITH REPORT; USE REPORT;
  36
  37 PROCEDURE C87B08A IS
  38
  39      TYPE FIXED IS DELTA 0.1 RANGE -2.0 .. 2.0;
  40      TYPE FLT   IS DIGITS  2 RANGE -2.0 .. 2.0;
  41      TYPE FLAG  IS (PASS, FAIL);
  42
  43      GENERIC
  44           TYPE T IS PRIVATE;
  45           STAT : IN FLAG;
  46      PROCEDURE P1 (X : T);
  47
  48      PROCEDURE P1 (X : T) IS
  49      BEGIN
  50           IF STAT = FAIL THEN
  51                FAILED ("INCORRECT IMPLICIT CONVERSION FROM UNIVERSAL" &
  52                        " REAL VALUES TO REAL TYPE VALUES");
  53           END IF;
  54      END P1;
  55
  56      PROCEDURE P IS NEW P1 (INTEGER,   FAIL);
  57      PROCEDURE P IS NEW P1 (FLT,       PASS);
  58      PROCEDURE Q IS NEW P1 (FIXED,     PASS);
  59      PROCEDURE Q IS NEW P1 (BOOLEAN,   FAIL);
  60      PROCEDURE Q IS NEW P1 (CHARACTER, FAIL);
  61
  62 BEGIN
  63      TEST ("C87B08A","IMPLICIT CONVERSION OF UNIVERSAL REAL " &
  64            "VALUES TO REAL VALUES EXISTS FOR ANY REAL TYPE");
  65
  66      P (0.0);
  67      P (1.0 + 1.0);
  68      Q (1.0);
  69      Q (1.0 - 1.0);
  70
  71      RESULT;
  72 END C87B08A;