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-- C96005D.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 THE CORRECTNESS OF THE ADDITION AND SUBTRACTION FUNCTIONS IN

-- THE PREDEFINED PACKAGE CALENDAR, AND APPROPRIATE EXCEPTION HANDLING.

-- SPECIFICALLY,

--   (D) THE EXCEPTION TIME_ERROR IS RAISED WHEN THE FUNCTION "-"

--       RETURNS A VALUE NOT IN THE SUBTYPE RANGE DURATION.

-- CPP 8/16/84

WITH CALENDAR;  USE CALENDAR;

WITH REPORT;  USE REPORT;

PROCEDURE C96005D IS

BEGIN

     TEST ("C96005D", "CHECK THAT THE SUBTRACTION OPERATOR RAISES " &

           "TIME_ERROR APPROPRIATELY");

     ---------------------------------------------

     BEGIN     -- (D)

          DECLARE

               NOW, LATER : TIME;

               WAIT : DURATION;

          BEGIN

               NOW := TIME_OF (1984, 8, 13, 0.0);

               LATER := (NOW + DURATION'LAST) + 1.0;

               WAIT := LATER - NOW;

               FAILED ("EXCEPTION NOT RAISED - (D)1");

          EXCEPTION

               WHEN TIME_ERROR =>

                    NULL;

               WHEN OTHERS =>

                    FAILED ("WRONG EXCEPTION RAISED - (D)1");

          END;

          DECLARE

               NOW, LATER : TIME;

               WAIT : DURATION;

          BEGIN

               NOW := TIME_OF (1984, 8, 13, 0.0);

               LATER := (NOW + DURATION'FIRST) - 1.0;

               WAIT := NOW - LATER;

               FAILED ("EXCEPTION NOT RAISED - (D)2");

          EXCEPTION

               WHEN TIME_ERROR =>

                    NULL;

               WHEN OTHERS =>

                    FAILED ("WRONG EXCEPTION RAISED - (D)2");

          END;

     END; -- (D)

     ---------------------------------------------

     RESULT;

END C96005D;