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-- C46053A.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 RAISED FOR CONVERSION TO A 

-- CONSTRAINED RECORD, PRIVATE, OR LIMITED PRIVATE SUBTYPE IF THE 

-- DISCRIMINANTS OF THE TARGET SUBTYPE DO NOT EQUAL THOSE OF THE 

-- OPERAND.

-- R.WILLIAMS 9/9/86

WITH REPORT; USE REPORT;

PROCEDURE C46053A IS

BEGIN

     TEST ( "C46053A", "CHECK THAT CONSTRAINT_ERROR IS RAISED FOR " &

                       "CONVERSION TO A CONSTRAINED RECORD, " &

                       "PRIVATE, OR LIMITED PRIVATE SUBTYPE IF " &

                       "THE DISCRIMINANTS OF THE TARGET SUBTYPE DO " &

                       "NOT EQUAL THOSE OF THE OPERAND" );

     DECLARE

          TYPE REC (D : INTEGER) IS

               RECORD

                    NULL;

               END RECORD;

          SUBTYPE REC3 IS REC (IDENT_INT (3));

          R : REC (IDENT_INT (1));

          PROCEDURE PROC (R : REC) IS

               I : INTEGER;

          BEGIN

               I := IDENT_INT (R.D);

          END PROC;

     BEGIN

          PROC (REC3 (R));

          FAILED ( "NO EXCEPTION RAISED FOR 'REC3 (R)'" );

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               NULL;

          WHEN OTHERS =>

               FAILED ( "WRONG EXCEPTION RAISED FOR 'REC3 (R)'" );

     END;

     DECLARE

          PACKAGE PKG1 IS

               TYPE PRIV (D : INTEGER) IS PRIVATE;

               SUBTYPE PRIV3 IS PRIV (IDENT_INT (3));

          PRIVATE

               TYPE PRIV  (D : INTEGER) IS

                    RECORD

                         NULL;

                    END RECORD;

          END PKG1;

          USE PKG1;

          PACKAGE PKG2 IS

               P : PRIV (IDENT_INT (0));

          END PKG2;

          USE PKG2;

          PROCEDURE PROC (P : PRIV) IS

               I : INTEGER;

          BEGIN

               I := IDENT_INT (P.D);

          END PROC;

     BEGIN

          PROC (PRIV3 (P));

          FAILED ( "NO EXCEPTION RAISED FOR 'PRIV3 (P)'" );

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               NULL;

          WHEN OTHERS =>

               FAILED ( "WRONG EXCEPTION RAISED FOR 'PRIV3 (P)'" );

     END;

     DECLARE

          PACKAGE PKG1 IS

               TYPE LIM (D : INTEGER) IS LIMITED PRIVATE;

               SUBTYPE LIM3 IS LIM (IDENT_INT (3));

          PRIVATE

               TYPE LIM  (D : INTEGER) IS

                    RECORD

                         NULL;

                    END RECORD;

          END PKG1;

          USE PKG1;

          PACKAGE PKG2 IS

               L : LIM (IDENT_INT (0));

               I : INTEGER;

          END PKG2;

          USE PKG2;

          PROCEDURE PROC (L : LIM) IS

               I : INTEGER;

          BEGIN

               I := IDENT_INT (L.D);

          END PROC;

     BEGIN

          PROC (LIM3 (L));

          FAILED ( "NO EXCEPTION RAISED FOR 'LIM3 (L)'" );

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               NULL;

          WHEN OTHERS =>

               FAILED ( "WRONG EXCEPTION RAISED FOR 'LIM3 (L)'" );

     END;

     RESULT;

END C46053A;