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-- C45304A.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 CONSTRAINT_ERROR IS RAISED BY

--     "+" AND "-" FOR PREDEFINED INTEGER WHEN THE RESULT IS OUTSIDE

--     THE RANGE OF THE BASE TYPE.

-- *** NOTE: This test has been modified since ACVC version 1.11 to    -- 9X

-- ***       remove incompatibilities associated with the transition   -- 9X

-- ***       to Ada 9X.                                                -- 9X

-- HISTORY:

--     TBN 10/06/86  CREATED ORIGINAL TEST.

--     JET 12/29/87  FURTHER DEFEATED OPTIMIZATION.

--     JRL 03/30/93 REMOVED NUMERIC_ERROR FROM TEST.

WITH REPORT; USE REPORT;

PROCEDURE C45304A IS

BEGIN

     TEST ("C45304A", "CHECK THAT CONSTRAINT_ERROR " &

                      "IS RAISED BY ""+"" AND ""-"" FOR PREDEFINED " &

                      "INTEGER WHEN THE RESULT IS OUTSIDE THE RANGE " &

                      "OF THE BASE TYPE");

     DECLARE

          B : INTEGER := INTEGER'LAST;

     BEGIN

          IF EQUAL (IDENT_INT(B)+1, 0) THEN

               FAILED ("NO EXCEPTION FOR ADDITION -- ZERO RESULT");

          ELSE

               FAILED ("NO EXCEPTION FOR ADDITION -- NONZERO RESULT");

          END IF;

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               NULL;

          WHEN OTHERS =>

               FAILED ("UNEXPECTED EXCEPTION RAISED FOR ADDITION");

     END;

     DECLARE

          B : INTEGER := INTEGER'FIRST;

     BEGIN

          IF EQUAL (IDENT_INT(B)-1, 0) THEN

               FAILED ("NO EXCEPTION FOR SUBTRACTION -- ZERO RESULT");

          ELSE

               FAILED ("NO EXCEPTION FOR SUBTRACTION -- " &

                       "NONZERO RESULT");

          END IF;

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               NULL;

          WHEN OTHERS =>

               FAILED ("UNEXPECTED EXCEPTION RAISED FOR SUBTRACTION");

     END;

     RESULT;

END C45304A;