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-- C67005D.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 EQUALITY CAN BE REDEFINED FOR AN ARBITRARY TYPE BY USING A

-- SEQUENCE OF RENAMING DECLARATIONS.

-- JBG 9/11/84

WITH REPORT; USE REPORT;

PROCEDURE C67005D IS

     FUNCTION MY_EQUALS  (L, R : INTEGER) RETURN BOOLEAN IS

     BEGIN

          RETURN FALSE;

     END MY_EQUALS;

     GENERIC

          TYPE LP IS LIMITED PRIVATE;

          WITH FUNCTION "=" (L, R : LP) RETURN BOOLEAN;

     PACKAGE EQUALITY_OPERATOR IS

          PACKAGE INNER IS

               FUNCTION "=" (L, R : LP) RETURN BOOLEAN RENAMES

                             EQUALITY_OPERATOR."=";

          END INNER;

     END EQUALITY_OPERATOR;

BEGIN

     TEST ("C67005D", "CHECK REDEFINITION OF ""="" BY RENAMING");

     DECLARE

          CHK1 : BOOLEAN := 3 = IDENT_INT(3);     -- PREDEFINED "="

          -- REDEFINE INTEGER "=".

          PACKAGE INT_EQUALITY IS NEW

               EQUALITY_OPERATOR (INTEGER, MY_EQUALS);

          FUNCTION "=" (L, R : INTEGER) RETURN BOOLEAN RENAMES

               INT_EQUALITY.INNER."=";

          CHK2 : BOOLEAN := 3 = IDENT_INT(3);     -- REDEFINED "=".

     BEGIN

          IF NOT CHK1 THEN

               FAILED ("PREDEFINED ""="" NOT USED");

          END IF;

          IF CHK2 THEN

               FAILED ("REDEFINED ""="" NOT USED");

          END IF;

     END;

     RESULT;

END C67005D;