gcc/testsuite/ada/acats/tests/c8/c84009a.ada

   1 -- C84009A.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 A USE CLAUSE MAKES AN IMPLICITLY OR EXPLICITLY
  27 --     DECLARED OPERATOR DIRECTLY VISIBLE IF NO HOMOGRAPH OF THE
  28 --     OPERATOR IS ALREADY DIRECTLY VISIBLE.
  29
  30 -- HISTORY:
  31 --     JET 03/10/88  CREATED ORIGINAL TEST.
  32
  33 WITH REPORT; USE REPORT;
  34 PROCEDURE C84009A IS
  35
  36      TYPE INT IS NEW INTEGER RANGE -100 .. 100;
  37
  38      PACKAGE PACK IS
  39           FUNCTION "+" (LEFT : INTEGER; RIGHT : INT) RETURN INTEGER;
  40           FUNCTION "-" (LEFT, RIGHT : INT) RETURN INT;
  41           FUNCTION "-" (RIGHT : INT) RETURN INTEGER;
  42           FUNCTION "+" (RIGHT : INT) RETURN INTEGER;
  43      END PACK;
  44
  45      FUNCTION "+" (RIGHT : INT) RETURN INTEGER IS
  46      BEGIN
  47           RETURN INTEGER'(1) + INTEGER(RIGHT);
  48      END "+";
  49
  50      PACKAGE BODY PACK IS
  51           FUNCTION "+" (LEFT : INTEGER; RIGHT : INT) RETURN INTEGER IS
  52           BEGIN
  53                RETURN LEFT + INTEGER(RIGHT);
  54           END "+";
  55
  56           FUNCTION "-" (LEFT, RIGHT : INT) RETURN INT IS
  57           BEGIN
  58                FAILED ("BINARY ""-"" ALREADY VISIBLE FOR TYPE INT");
  59                RETURN LEFT + (-RIGHT);
  60           END "-";
  61
  62           FUNCTION "-" (RIGHT : INT) RETURN INTEGER IS
  63           BEGIN
  64                RETURN INTEGER'(0) - INTEGER(RIGHT);
  65           END "-";
  66
  67           FUNCTION "+" (RIGHT : INT) RETURN INTEGER IS
  68           BEGIN
  69                FAILED ("UNARY ""+"" ALREADY VISIBLE FOR TYPE INT");
  70                RETURN INTEGER'(0) + INTEGER(RIGHT);
  71           END "+";
  72      END PACK;
  73
  74      USE PACK;
  75
  76 BEGIN
  77      TEST ("C84009A", "CHECK THAT A USE CLAUSE MAKES AN IMPLICITLY " &
  78                       "OR EXPLICITLY DECLARED OPERATOR DIRECTLY " &
  79                       "VISIBLE IF NO HOMOGRAPH OF THE OPERATOR IS " &
  80                       "ALREADY DIRECTLY VISIBLE");
  81
  82      IF INTEGER'(10) + INT'(10) /= IDENT_INT(20) THEN
  83           FAILED ("INCORRECT RESULT FROM BINARY ""+""");
  84      END IF;
  85
  86      IF INT'(5) - INT'(3) /= INT'(2) THEN
  87           FAILED ("INCORRECT RESULT FROM BINARY ""-""");
  88      END IF;
  89
  90      IF -INT'(20) /= IDENT_INT(-INTEGER'(20)) THEN
  91           FAILED ("INCORRECT RESULT FROM UNARY ""-""");
  92      END IF;
  93
  94      IF +INT'(20) /= IDENT_INT(+INTEGER'(21)) THEN
  95           FAILED ("INCORRECT RESULT FROM UNARY ""+""");
  96      END IF;
  97
  98      RESULT;
  99 END C84009A;