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-- C34014T.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 DERIVED OPERATOR IS VISIBLE AND FURTHER DERIVABLE

--     UNDER APPROPRIATE CIRCUMSTANCES.

--     CHECK WHEN THE DERIVED OPERATOR IS IMPLICITLY DECLARED IN THE

--     VISIBLE PART OF A PACKAGE AND NO HOMOGRAPHIC OPERATOR IS LATER

--     DECLARED EXPLICITLY.

-- HISTORY:

--     JRK 09/22/87  CREATED ORIGINAL TEST.

WITH REPORT; USE REPORT;

PROCEDURE C34014T IS

     PACKAGE P IS

          TYPE T IS RANGE -100 .. 100;

          FUNCTION "+" (X : T) RETURN T;

     END P;

     USE P;

     PACKAGE BODY P IS

          FUNCTION "+" (X : T) RETURN T IS

          BEGIN

               RETURN X + T (IDENT_INT (1));

          END "+";

     END P;

BEGIN

     TEST ("C34014T", "CHECK THAT A DERIVED OPERATOR IS VISIBLE " &

                      "AND FURTHER DERIVABLE UNDER APPROPRIATE " &

                      "CIRCUMSTANCES.  CHECK WHEN THE DERIVED " &

                      "OPERATOR IS IMPLICITLY DECLARED IN THE " &

                      "VISIBLE PART OF A PACKAGE AND NO HOMOGRAPHIC " &

                      "OPERATOR IS LATER DECLARED EXPLICITLY");

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

     COMMENT ("NO NEW OPERATOR DECLARED EXPLICITLY");

     DECLARE

          PACKAGE Q IS

               TYPE QT IS NEW T;

               X : QT := +0;

          PRIVATE

               TYPE QS IS NEW QT;

               Z : QS := +0;

          END Q;

          USE Q;

          PACKAGE BODY Q IS

          BEGIN

               IF X /= 1 THEN

                    FAILED ("OLD OPERATOR NOT VISIBLE - 1");

               END IF;

               IF Z /= 1 THEN

                    FAILED ("OLD OPERATOR NOT DERIVED - 1");

               END IF;

          END Q;

          PACKAGE R IS

               Y : QT := +0;

               TYPE RT IS NEW QT;

               Z : RT := +0;

          END R;

          USE R;

     BEGIN

          IF Y /= 1 THEN

               FAILED ("OLD OPERATOR NOT VISIBLE - 2");

          END IF;

          IF Z /= 1 THEN

               FAILED ("OLD OPERATOR NOT DERIVED - 2");

          END IF;

     END;

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

     RESULT;

END C34014T;