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-- C95086D.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 THAT CONSTRAINT_ERROR IS NOT RAISED FOR ACCESS PARAMETERS

--    BEFORE OR AFTER THE ENTRY CALL, WHEN AN UNCONSTRAINED ACTUAL

--    OUT ACCESS PARAMETER DESIGNATES AN OBJECT (PRIOR TO THE

--    ENTRY CALL) WITH CONSTRAINTS DIFFERENT FROM THE FORMAL

--    PARAMETER.

--

--   SUBTESTS ARE:

--       (A) STATIC LIMITED PRIVATE DISCRIMINANT.

--       (B) DYNAMIC ONE DIMENSIONAL BOUNDS.

-- RJW 2/3/86

WITH REPORT; USE REPORT;

PROCEDURE C95086D IS

BEGIN

     TEST ("C95086D", "CHECK THAT CONSTRAINT_ERROR IS NOT RAISED " &

           "BEFORE AND AFTER THE ENTRY CALL, WHEN AN UNCONSTRAINED " &

           "ACTUAL OUT ACCESS PARAMETER DESIGNATES AN OBJECT (PRIOR " &

           "TO THE ENTRY CALL) WITH CONSTRAINTS DIFFERENT FROM THE " &

           "FORMAL PARAMETER");

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

     DECLARE -- (A)

          PACKAGE PKG IS

               SUBTYPE INT IS INTEGER RANGE 0..5;

               TYPE T (I : INT := 0) IS LIMITED PRIVATE;

          PRIVATE

               TYPE ARR IS ARRAY (INTEGER RANGE <>) OF INTEGER;

               TYPE T (I : INT := 0) IS

                    RECORD

                         J : INTEGER;

                         A : ARR (1..I);

                    END RECORD;

          END PKG;

          USE PKG;

          TYPE A IS ACCESS T;

          SUBTYPE SA IS A (3);

          V : A := NEW T (2);

          CALLED : BOOLEAN := FALSE;

          TASK T1 IS

               ENTRY P (X : OUT SA);

          END T1;

          TASK BODY T1 IS

          BEGIN

               ACCEPT P (X : OUT SA) DO

                    CALLED := TRUE;

                    X := NEW T (3);

               END P;

          EXCEPTION

               WHEN OTHERS =>

                    FAILED ("EXCEPTION RAISED IN TASK - (A)");

          END T1;

     BEGIN -- (A)

          T1.P (V);

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               IF NOT CALLED THEN

                    FAILED ("EXCEPTION RAISED BEFORE ENTRY CALL - (A)");

               ELSE

                    FAILED ("EXCEPTION RAISED ON RETURN - (A)");

               END IF;

          WHEN OTHERS =>

               FAILED ("EXCEPTION RAISED - (A)");

     END; -- (A)

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

     DECLARE -- (B)

          TYPE A IS ACCESS STRING;

          SUBTYPE SA IS A (1..2);

          V : A := NEW STRING (IDENT_INT(5) .. IDENT_INT(7));

          CALLED : BOOLEAN := FALSE;

          TASK T1 IS

               ENTRY P (X : OUT SA);

          END T1;

          TASK BODY T1 IS

          BEGIN

               ACCEPT P (X : OUT SA) DO

                    CALLED := TRUE;

                    X := NEW STRING (IDENT_INT(1) .. IDENT_INT(2));

               END P;

          EXCEPTION

               WHEN OTHERS =>

                    FAILED ("EXCEPTION RAISED IN TASK - (B)");

          END T1;

     BEGIN -- (B)

          T1.P (V);

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               IF NOT CALLED THEN

                    FAILED ("EXCEPTION RAISED BEFORE ENTRY CALL - (B)");

               ELSE

                    FAILED ("EXCEPTION RAISED ON RETURN - (B)");

               END IF;

          WHEN OTHERS =>

               FAILED ("EXCEPTION RAISED - (B)");

     END; -- (B)

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

     RESULT;

END C95086D;