cd1009a.ada

来自「linux下编程用 编译软件」· ADA 代码 · 共 81 行

-- CD1009A.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.
--*
-- OBJECTIVE:
--     CHECK THAT A 'SIZE CLAUSE MAY BE GIVEN IN THE VISIBLE
--     OR PRIVATE PART OF A PACKAGE FOR AN INTEGER TYPE DECLARED IN
--     THE VISIBLE PART OF THE SAME PACKAGE.

-- HISTORY:
--     VCL  09/18/87 CREATED ORIGINAL TEST.
--     DHH  03/31/89 CHANGED EXTENSION FROM '.DEP' TO '.ADA' AND ADDED
--                   CHECK FOR REPRESENTATION CLAUSES, AND CHANGED
--                   SPECIFIED_SIZE TO 5.

WITH REPORT; USE REPORT;
WITH LENGTH_CHECK;                      -- CONTAINS A CALL TO 'FAILED'.
PROCEDURE CD1009A IS
BEGIN
     TEST ("CD1009A", "A 'SIZE CLAUSE MAY BE GIVEN IN THE VISIBLE " &
                      "OR PRIVATE PART OF A PACKAGE FOR AN INTEGER " &
                      "TYPE DECLARED IN THE VISIBLE PART OF THE " &
                      "SAME PACKAGE");
     DECLARE
          PACKAGE PACK IS
               SPECIFIED_SIZE : CONSTANT := 5;

               TYPE CHECK_TYPE_1 IS RANGE -8 .. 7;
               FOR CHECK_TYPE_1'SIZE USE SPECIFIED_SIZE;
               TYPE PACK_ARY IS ARRAY(1 .. 6) OF CHECK_TYPE_1;
               PRAGMA PACK (PACK_ARY);
               OBJ1 : PACK_ARY := (OTHERS => -7);

               TYPE CHECK_TYPE_2 IS RANGE -8 .. 7;
          PRIVATE
               FOR CHECK_TYPE_2'SIZE USE SPECIFIED_SIZE;
               OBJ2 : CHECK_TYPE_2 := -7;
               PROCEDURE CHECK1 IS NEW LENGTH_CHECK (CHECK_TYPE_1);
               PROCEDURE CHECK2 IS NEW LENGTH_CHECK (CHECK_TYPE_2);
          END PACK;

          PACKAGE BODY PACK IS
          BEGIN
               CHECK1 (OBJ1(IDENT_INT(1)), 5, "CHECK_TYPE_1");
               CHECK2 (OBJ2, 5, "CHECK_TYPE_2");
          END PACK;

          USE PACK;
     BEGIN
          IF CHECK_TYPE_1'SIZE /= SPECIFIED_SIZE THEN
               FAILED ("CHECK_TYPE_1'SIZE /= SPECIFIED_SIZE");
          END IF;

          IF CHECK_TYPE_2'SIZE /= SPECIFIED_SIZE THEN
               FAILED ("CHECK_TYPE_2'SIZE /= SPECIFIED_SIZE");
          END IF;
     END;

     RESULT;
END CD1009A;