old-autovect-branch/gcc/testsuite/ada/acats/tests/c6/c66002c.ada

   1 -- C66002C.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 OVERLOADED SUBPROGRAM DECLARATIONS
  26 -- ARE PERMITTED IN WHICH THERE IS A MINIMAL
  27 -- DIFFERENCE BETWEEN THE DECLARATIONS.
  28
  29 --     (C) ONE SUBPROGRAM HAS ONE LESS PARAMETER THAN THE OTHER.
  30
  31 -- CVP 5/4/81
  32 -- JRK 5/8/81
  33 -- NL 10/13/81
  34
  35 WITH REPORT;
  36 PROCEDURE C66002C IS
  37
  38      USE REPORT;
  39
  40 BEGIN
  41      TEST ("C66002C", "SUBPROGRAM OVERLOADING WITH " &
  42            "MINIMAL DIFFERENCES ALLOWED");
  43
  44      --------------------------------------------------
  45
  46      -- ONE PROCEDURE HAS ONE MORE PARAMETER
  47      -- THAN THE OTHER.  THIS IS TESTED IN THE
  48      -- CASE IN WHICH THAT PARAMETER HAS A DEFAULT
  49      -- VALUE, AND THE CASE IN WHICH IT DOES NOT.
  50
  51      DECLARE
  52           I, J : INTEGER := 0;
  53           B : BOOLEAN := TRUE;
  54           S : STRING (1..2) := "12";
  55
  56           PROCEDURE P1 (I1, I2 : INTEGER; B1 : IN OUT BOOLEAN) IS
  57           BEGIN
  58                S(1) := 'A';
  59           END P1;
  60
  61           PROCEDURE P1 (I1, I2 : INTEGER) IS
  62           BEGIN
  63                S(2) := 'B';
  64           END P1;
  65
  66           PROCEDURE P2 (B1 : IN OUT BOOLEAN; I1 : INTEGER := 0) IS
  67           BEGIN
  68                S(1) := 'C';
  69           END P2;
  70
  71           PROCEDURE P2 (B1 : IN OUT BOOLEAN) IS
  72           BEGIN
  73                S(2) := 'D';
  74           END P2;
  75
  76      BEGIN
  77           P1 (I, J, B);
  78           P1 (I, J);
  79
  80           IF S /= "AB" THEN
  81                FAILED ("PROCEDURES DIFFERING ONLY IN " &
  82                        "NUMBER OF PARAMETERS (NO DEFAULTS) " &
  83                        "CAUSED CONFUSION");
  84           END IF;
  85
  86           S := "12";
  87           P2 (B, I);
  88           -- NOTE THAT A CALL TO P2 WITH ONLY
  89           -- ONE PARAMETER IS AMBIGUOUS.
  90
  91           IF S /= "C2" THEN
  92                FAILED ("PROCEDURES DIFFERING ONLY IN " &
  93                        "EXISTENCE OF ONE PARAMETER (WITH " &
  94                        "DEFAULT) CAUSED CONFUSION");
  95           END IF;
  96      END;
  97
  98      --------------------------------------------------
  99
 100      RESULT;
 101
 102 END C66002C;