c54a04a.ada

用于进行gcc测试

-- C54A04A.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 PRIVATE (DISCRETE) TYPES MAY BE USED IN CASE EXPRESSIONS
--     WITHIN THE DEFINING PACKAGE.

-- DAT 1/29/81

WITH REPORT;
PROCEDURE C54A04A IS

     USE REPORT;

     PACKAGE P IS

          TYPE T IS PRIVATE;
          TYPE LT IS LIMITED PRIVATE;

     PRIVATE

          TYPE T IS ('Z', X);
          TYPE LT IS NEW INTEGER RANGE 0 .. 1;

     END P;

     VT : P.T;
     VLT : P.LT;

     PACKAGE BODY P IS

     BEGIN
          TEST ("C54A04A", "PRIVATE DISCRETE TYPES MAY APPEAR IN " &
                "CASE EXPRESSIONS IN PACKAGE BODY");

          VT := 'Z';
          VLT := LT (IDENT_INT (1));

          CASE VT IS
               WHEN X => FAILED ("WRONG CASE 1");
               WHEN 'Z' => NULL; -- OK
          END CASE;

          CASE VLT IS
               WHEN 1 => NULL; -- OK
               WHEN 0 => FAILED ("WRONG CASE 2");
          END CASE;
     END P;

BEGIN

     -- TEST CALLED FROM PACKAGE BODY, ALREADY ELABORATED.

     RESULT;
END C54A04A;