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-- C54A24A.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 NULL SUBRANGE CHOICES MAY OCCUR IN CASE STATEMENT, WITH

-- OUT-OF-BOUNDS RANGE BOUNDS, AND WHERE VACUOUS CHOICES ARE NULL.

-- CHECK THAT AN UNNEEDED OTHERS CHOICE IS PERMITTED.

-- DAT 1/29/81

-- JBG 8/21/83

WITH REPORT;

PROCEDURE C54A24A IS

     USE REPORT;

     TYPE T IS RANGE 1 .. 1010;

     SUBTYPE ST IS T RANGE 5 .. 7;

     V : ST := 6;

BEGIN

     TEST ("C54A24A", "CHECK NULL CASE SUBRANGE CHOICES, WITH " &

           "OUTRAGEOUS BOUNDS");

     CASE V IS

          WHEN -1000 .. -1010 => NULL;

          WHEN T RANGE -5 .. -6 => NULL;

          WHEN 12 .. 11 | ST RANGE 1000 .. 99 => NULL;

          WHEN ST RANGE -99 .. -999 => NULL;

          WHEN ST RANGE 6 .. 6 => V := V - 1;

          WHEN T RANGE ST'BASE'LAST .. ST'BASE'FIRST => NULL;

          WHEN 5 | 7 => NULL;

          WHEN ST RANGE T'BASE'LAST .. T'BASE'FIRST => NULL;

          WHEN T'BASE'LAST .. T'BASE'FIRST => NULL;

          WHEN OTHERS => V := V + 1;

     END CASE;

     IF V /= 5 THEN

          FAILED ("IMPROPER CASE EXECUTION");

     END IF;

     RESULT;

END C54A24A;