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-- C95086B.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 AN ENTRY CALL, WHEN AN IN OR IN OUT ACTUAL ACCESS

--   PARAMETER HAS VALUE NULL, BUT WITH CONSTRAINTS DIFFERENT

--   FROM THE FORMAL PARAMETER.

--

--   SUBTESTS ARE:

--       (A) IN MODE, STATIC ONE DIMENSIONAL BOUNDS.

--       (B) IN OUT MODE, DYNAMIC RECORD DISCRIMINANTS.

--       (C) CASE (A), BUT ACTUAL PARAMETER IS A TYPE CONVERSION.

--       (D) CASE (B), BUT ACTUAL PARAMETER IS A TYPE CONVERSION.

-- RJW 1/27/86

WITH REPORT; USE REPORT;

PROCEDURE C95086B IS

BEGIN

     TEST ( "C95086B", "CHECK THAT CONSTRAINT_ERROR IS NOT RAISED " &

            "BEFORE AN ENTRY CALL, WHEN AN IN OR IN OUT ACTUAL " &

            "ACCESS PARAMETER HAS VALUE NULL, BUT WITH CONSTRAINTS " &

            "DIFFERENT FROM THE FORMAL PARAMETER" );

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

     DECLARE -- (A)

          TYPE E IS (E1, E2, E3, E4);

          TYPE T IS ARRAY (E RANGE <>) OF INTEGER;

          TYPE A IS ACCESS T;

          SUBTYPE SA IS A (E2..E4);

          V : A (E1..E2) := NULL;

          TASK T1 IS

               ENTRY P (X : SA);

          END T1;

          TASK BODY T1 IS

          BEGIN

               ACCEPT P (X : SA);

          EXCEPTION

               WHEN OTHERS =>

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

          END T1;

     BEGIN -- (A)

          T1.P (V);

     EXCEPTION

          WHEN OTHERS =>

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

     END; -- (A)

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

     DECLARE -- (B)

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

          TYPE T (B : BOOLEAN := FALSE; C : CHARACTER := 'A') IS

               RECORD

                    I : INTEGER;

                    CASE B IS

                         WHEN FALSE =>

                              J : INTEGER;

                         WHEN TRUE =>

                              A : ARR ('A' .. C);

                    END CASE;

               END RECORD;

          TYPE A IS ACCESS T;

          SUBTYPE SA IS A (TRUE, 'C');

          V : A (IDENT_BOOL(FALSE), IDENT_CHAR('B')) := NULL;

          TASK T1 IS

               ENTRY P (X : IN OUT SA);

          END T1;

          TASK BODY T1 IS

          BEGIN

               ACCEPT P (X : IN OUT SA) DO

                    NULL;

               END P;

          EXCEPTION

               WHEN OTHERS =>

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

          END T1;

     BEGIN -- (B)

          T1.P (V);

     EXCEPTION

          WHEN OTHERS =>

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

     END; -- (B)

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

     DECLARE -- (C)

          TYPE E IS (E1, E2, E3, E4);

          TYPE T IS ARRAY (E RANGE <>) OF INTEGER;

          TYPE A IS ACCESS T;

          SUBTYPE SA IS A (E2..E4);

          V : A (E1..E2) := NULL;

          TASK T1 IS

               ENTRY P (X : SA);

          END T1;

          TASK BODY T1 IS

          BEGIN

               ACCEPT P (X : SA) DO

                    NULL;

               END P;

          EXCEPTION

               WHEN OTHERS =>

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

          END T1;

     BEGIN -- (C)

          T1.P (SA(V));

     EXCEPTION

          WHEN OTHERS =>

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

     END; -- (C)

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

     DECLARE -- (D)

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

          TYPE T (B : BOOLEAN := FALSE; C : CHARACTER := 'A') IS

               RECORD

                    I : INTEGER;

                    CASE B IS

                         WHEN FALSE =>

                              J : INTEGER;

                         WHEN TRUE =>

                              A : ARR ('A' .. C);

                    END CASE;

               END RECORD;

          TYPE A IS ACCESS T;

          SUBTYPE SA IS A (TRUE, 'C');

          V : A (IDENT_BOOL(FALSE), IDENT_CHAR('B')) := NULL;

          TASK T1 IS

               ENTRY P (X : IN OUT SA);

          END T1;

          TASK BODY T1 IS

          BEGIN

               ACCEPT P (X : IN OUT SA);

          EXCEPTION

               WHEN OTHERS =>

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

          END T1;

     BEGIN -- (D)

          T1.P (SA(V));

     EXCEPTION

          WHEN OTHERS =>

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

     END; -- (D)

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

     RESULT;

END C95086B;