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-- C38002B.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 AN UNCONSTRAINED ARRAY TYPE OR A RECORD WITHOUT

--     DEFAULT DISCRIMINANTS CAN BE USED IN AN ACCESS_TYPE_DEFINITION

--     WITHOUT AN INDEX OR DISCRIMINANT CONSTRAINT.

--

--     CHECK THAT (NON-STATIC) INDEX OR DISCRIMINANT CONSTRAINTS CAN

--     SUBSEQUENTLY BE IMPOSED WHEN THE TYPE IS USED IN AN OBJECT

--     DECLARATION, ARRAY COMPONENT DECLARATION, RECORD COMPONENT

--     DECLARATION, ACCESS TYPE DECLARATION, PARAMETER DECLARATION,

--     ALLOCATOR, DERIVED TYPE DEFINITION, PRIVATE TYPE, OR AS THE

--     RETURN TYPE IN A FUNCTION DECLARATION.

--

--     CHECK FOR GENERIC FORMAL ACCESS TYPES.

-- HISTORY:

--     AH  09/02/86 CREATED ORIGINAL TEST.

--     DHH 08/22/88 REVISED HEADER, ADDED 'PRIVATE TYPE' TO COMMENTS

--                  AND CORRECTED INDENTATION.

WITH REPORT; USE REPORT;

PROCEDURE C38002B IS

     C3 : CONSTANT INTEGER := IDENT_INT(3);

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

     TYPE REC (DISC : INTEGER) IS

          RECORD

               NULL;

          END RECORD;

     TYPE P_ARR_NAME IS ACCESS UNCON_ARR;

     TYPE P_REC_NAME IS ACCESS REC;

     GENERIC

          TYPE ACC_REC IS ACCESS REC;

          TYPE ACC_ARR IS ACCESS UNCON_ARR;

     PACKAGE P IS

          OBJ : ACC_REC(C3);

          TYPE ARR2 IS ARRAY (1..10) OF ACC_REC(C3);

          TYPE REC1 IS

               RECORD

                    COMP1 : ACC_REC(C3);

               END RECORD;

          TYPE REC2 IS

               RECORD

                    COMP2 : ACC_ARR(1..C3);

               END RECORD;

          SUBTYPE ACC_REC_3 IS ACC_REC(C3);

          R : ACC_REC;

          FUNCTION F (PARM : ACC_REC_3) RETURN ACC_REC_3;

          TYPE ACC1 IS PRIVATE;

          TYPE ACC2 IS PRIVATE;

          TYPE DER1 IS PRIVATE;

          TYPE DER2 IS PRIVATE;

     PRIVATE

          TYPE ACC1 IS ACCESS ACC_REC(C3);

          TYPE ACC2 IS ACCESS ACC_ARR(1..C3);

          TYPE DER1 IS NEW ACC_REC(C3);

          TYPE DER2 IS NEW ACC_ARR(1..C3);

     END P;

     PACKAGE BODY P IS

          FUNCTION F (PARM : ACC_REC_3) RETURN ACC_REC_3 IS

          BEGIN

               RETURN PARM;

          END;

     END P;

     PACKAGE NP IS NEW P (ACC_REC => P_REC_NAME, ACC_ARR => P_ARR_NAME);

     USE NP;

BEGIN

     TEST ("C38002B", "NON-STATIC CONSTRAINTS CAN BE IMPOSED " &

           "ON ACCESS TYPES ACCESSING PREVIOUSLY UNCONSTRAINED " &

           "ARRAY OR RECORD TYPES");

     R := NEW REC(DISC => 3);

     R := F(R);

     R := NEW REC(DISC => 4);

     R := F(R);

     FAILED ("INCOMPATIBLE CONSTRAINT ON ACCESS VALUE ACCEPTED " &

             "BY GENERIC FUNCTION");

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               IF R = NULL OR ELSE R.DISC /= 4 THEN

                    FAILED (" ERROR IN EVALUATION/ASSIGNMENT OF " &

                            "GENERIC ACCESS VALUE");

               END IF;

     RESULT;

END C38002B;