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-- C54A24B.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 NULL SUBTYPE RANGES ARE ACCEPTABLE CASE CHOICES,

--     WHERE THE BOUNDS ARE BOTH OUT OF THE SUBRANGE'S RANGE, AND

--     WHERE VACUOUS CHOICES HAVE NON-NULL STATEMENT SEQUENCES.

--     CHECK THAT AN UNNEEDED OTHERS CLAUSE IS PERMITTED.

-- HISTORY:

--     DAT 01/29/81 CREATED ORIGINAL TEST.

--     DHH 10/20/87 SHORTENED LINES CONTAINING MORE THAN 72 CHARACTERS.

WITH REPORT;

PROCEDURE C54A24B IS

     USE REPORT;

     TYPE C IS NEW CHARACTER RANGE 'A' .. 'D';

     X : C := 'B';

BEGIN

     TEST ("C54A24B", "NULL CASE CHOICE SUBRANGES WITH VALUES " &

           "OUTSIDE SUBRANGE");

     CASE X IS

          WHEN C RANGE C'BASE'LAST .. C'BASE'FIRST

               | C RANGE 'Z' .. ' ' => X := 'A';

          WHEN C => NULL;

          WHEN OTHERS => X := 'C';

     END CASE;

     IF X /= 'B' THEN

          FAILED ("WRONG CASE EXECUTION");

     END IF;

     RESULT;

END C54A24B;