c87b05a.ada

用于进行gcc测试

-- C87B05A.ADA

--                             Grant of Unlimited Rights
--
--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained 
--     unlimited rights in the software and documentation contained herein.
--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making 
--     this public release, the Government intends to confer upon all 
--     recipients unlimited rights  equal to those held by the Government.  
--     These rights include rights to use, duplicate, release or disclose the 
--     released technical data and computer software in whole or in part, in 
--     any manner and for any purpose whatsoever, and to have or permit others 
--     to do so.
--
--                                    DISCLAIMER
--
--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED 
--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE 
--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
--     PARTICULAR PURPOSE OF SAID MATERIAL.
--*
-- CHECK THAT OVERLOADING RESOLUTION USES THE RULE THAT:
--
-- IN AN INTEGER TYPE DEFINITION WITH A RANGE CONSTRAINT, THE BOUNDS
-- OF THE RANGE MUST BE OF SOME INTEGER TYPE.
  
-- TRH  1 JULY 82
  
WITH REPORT; USE REPORT;
   
PROCEDURE C87B05A IS
  
     ERR : BOOLEAN := FALSE;
     TYPE WHOLE IS NEW INTEGER RANGE 0 .. INTEGER'LAST;
     TYPE AGE   IS NEW INTEGER RANGE 0 .. 120;
     
     FUNCTION "+" (X : WHOLE) RETURN FLOAT IS
     BEGIN 
          ERR := TRUE;
          RETURN 2.0;
     END "+";

     FUNCTION "-" (X : AGE) RETURN BOOLEAN IS
     BEGIN 
          ERR := TRUE;
          RETURN FALSE;
     END "-";
  
BEGIN
     TEST ("C87B05A","OVERLOADED EXPRESSIONS IN RANGE BOUNDS " &
           " OF INTEGER TYPE DEFINITIONS");
   
     DECLARE
          TYPE ADULT IS RANGE 18 .. "+" (WHOLE'(120));
          TYPE MINOR IS RANGE "-" (AGE'(0))  .. "+" (WHOLE'(17));
          TYPE NEG10 IS RANGE "-" (AGE'(10)) .. "-" (AGE'(1));
  
     BEGIN
          IF ERR THEN 
               FAILED ("RESOLUTION INCORRECT - INTEGER TYPE " &
                       "DEFINITIONS MUST HAVE INTEGER TYPE "  &
                       "RANGE BOUNDS");
          END IF;
     END;
    
     RESULT;
END C87B05A;