old-autovect-branch/gcc/testsuite/ada/acats/tests/c8/c87b24b.ada

   1 -- C87B24B.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 -- THE RANGE BOUNDS FOR A SLICE MUST BE DISCRETE AND OF THE SAME BASE
  28 -- TYPE AS THE ARRAY INDEX.
  29
  30 -- TRH  15 JULY 82
  31
  32 WITH REPORT; USE REPORT;
  33
  34 PROCEDURE C87B24B IS
  35
  36      TYPE PIECE IS ARRAY (INTEGER RANGE <>) OF INTEGER;
  37
  38      PI  : PIECE (1 .. 8) := (3, 1, 4, 1, 5, 9, 2, 6);
  39      S1  : PIECE (1 .. 3);
  40      S2  : PIECE (4 .. 8);
  41      ERR : BOOLEAN := FALSE;
  42
  43      FUNCTION F1 (X : INTEGER) RETURN INTEGER IS
  44      BEGIN
  45           RETURN X;
  46      END F1;
  47
  48      FUNCTION F1 (X : INTEGER) RETURN FLOAT IS
  49      BEGIN
  50           ERR := TRUE;
  51           RETURN 0.0;
  52      END F1;
  53
  54      FUNCTION F2 (X : INTEGER) RETURN INTEGER IS
  55      BEGIN
  56           RETURN X;
  57      END F2;
  58
  59      FUNCTION F2 (X :INTEGER) RETURN CHARACTER IS
  60      BEGIN
  61           ERR := TRUE;
  62           RETURN 'A';
  63      END F2;
  64
  65 BEGIN
  66      TEST ("C87B24B","OVERLOADING RESOLUTION OF RANGE " &
  67            "CONSTRAINTS FOR SLICES");
  68
  69      DECLARE
  70           FUNCTION "+" (X : INTEGER) RETURN INTEGER
  71                RENAMES F1;
  72
  73           FUNCTION "+" (X : INTEGER) RETURN FLOAT
  74                RENAMES F1;
  75
  76           FUNCTION "-" (X : INTEGER) RETURN INTEGER
  77                RENAMES F2;
  78
  79           FUNCTION "-" (X : INTEGER) RETURN CHARACTER
  80                RENAMES F2;
  81
  82      BEGIN
  83           S1 := PI ("+" (3) .. "-" (5));
  84           S1 := PI (F2  (2) .. "+" (4));
  85           S1 := PI ("-" (6) .. F1  (8));
  86           S1 := PI (F2  (1) .. F2  (3));
  87           S2 := PI (F2  (4) .. F1  (8));
  88           S2 := PI (2       .. "+" (6));
  89           S2 := PI (F1  (1) ..       5);
  90           S2 := PI ("+" (3) .. "+" (7));
  91
  92           IF ERR THEN
  93                FAILED (" OVERLOADING RESOLUTION INCORRECT FOR SLICES");
  94           END IF;
  95      END;
  96
  97      RESULT;
  98 END C87B24B;