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-- C64104N.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 A SCALAR TYPE

--     WHERE THE VALUE OF THE FORMAL PARAMETER DOES NOT BELONG TO THE

--     SUBTYPE OF THE ACTUAL PARAMETER.

-- HISTORY:

--     DAVID A. TAFFS

--     CPP 07/23/84

--     RDH 04/18/90  REVISED TO CHECK THAT SUBPROGRAM IS ACTUALLY

--                   CALLED.

--     THS 09/21/90  REWORDED COMMENT STATING THAT THE TEST DOES NOT

--                   ACCEPT THE LITERAL INTERPRETATION OF 6.4.1(9).

WITH REPORT; USE REPORT;

PROCEDURE C64104N IS

BEGIN

     TEST ("C64104N", "CHECK THAT PRIVATE TYPE (SCALAR) 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 NEW INTEGER;

               DC : CONSTANT T := -1;

          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;

-- NOTE CALL HAS VARIABLE OF A PRIVATE TYPE AS AN OUT PARAMETER.  

-- THIS TEST DOES NOT ACCEPT THE LITERAL INTERPRETATION OF 6.4.1(9).

-- REFER TO ADA IMPLEMENTOR'S GUIDE 6.4.1 SEMANTIC RAMIFICATION 19

-- AND AI-00025 FOR CLARIFICATION AS TO WHY THE LITERAL

-- INTERPRETATION IS REJECTED.

          PACKAGE BODY P IS

               Z : T RANGE 0..1 := 0;

               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;    -- EXCEPTION

               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 C64104N;