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-- C64104O.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 AT THE PLACE OF THE CALL

--    FOR THE CASE OF A PRIVATE TYPE IMPLEMENTED AS AN ACCESS TYPE WHERE

--    THE ACTUAL BOUNDS OR DISCRIMINANTS OF THE DESIGNATED OBJECT DIFFER

--    FROM THOSE OF THE FORMAL.

-- HISTORY

--    CPP 7/23/84 CREATED ORIGINAL TEST.

--    DHH 8/31/87 ADDED COMMENT IN PROCEDURE Q SO THAT CODE WILL NOT BE

--                OPTIMIZED OUT OF EXISTENCE.

WITH REPORT;  USE REPORT;

PROCEDURE C64104O IS

BEGIN

     TEST ("C64104O", "CHECK THAT PRIVATE TYPE (ACCESS) RAISES " &

           "CONSTRAINT_ERROR WHEN ACTUAL AND FORMAL PARAMETER BOUNDS " &

           "DIFFER");

     DECLARE

          CALLED : BOOLEAN := FALSE;

          PACKAGE P IS

               TYPE T IS PRIVATE;

               DC : CONSTANT T;

               GENERIC PACKAGE PP IS

               END PP;

          PRIVATE

               TYPE T IS ACCESS STRING;

               DC : CONSTANT T := NEW STRING'("AAA");

          END P;

          PROCEDURE Q (X : IN OUT P.T) IS

          BEGIN

               CALLED := TRUE;

               X := P.DC;

               IF P. "=" (X, P.DC) THEN

                    COMMENT("PROCEDURE Q WAS CALLED");

               END IF;

          EXCEPTION

               WHEN OTHERS =>

                    FAILED ("EXCEPTION RAISED INSIDE SUBPROGRAM");

          END Q;

          GENERIC

               Y : IN OUT P.T;

          PACKAGE CALL IS

          END CALL;

          PACKAGE BODY CALL IS

          BEGIN

               Q(Y);

          END CALL;

          PACKAGE BODY P IS

               Z : T(1..5) := NEW STRING'("CCCCC");

               PACKAGE BODY PP IS

                    PACKAGE CALL_Q IS NEW CALL(Z);

               END PP;

          END P;

     BEGIN

          BEGIN

               DECLARE

                    PACKAGE CALL_Q_NOW IS NEW P.PP;

               BEGIN

                    FAILED ("NO EXCEPTION RAISED");

               END;

          EXCEPTION

               WHEN CONSTRAINT_ERROR =>

                    IF NOT CALLED THEN

                         FAILED ("SUBPROGRAM Q WAS NOT CALLED");

                    END IF;

               WHEN OTHERS =>

                    FAILED ("WRONG EXCEPTION RAISED");

          END;

          RESULT;

     END;

END C64104O;