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-- C45272A.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 AND INEQUALITY ARE EVALUATED CORRECTLY FOR 

-- RECORDS WHOSE COMPONENTS HAVE CHANGEABLE DISCRIMINANTS, INCLUDING

-- RECORDS DESIGNATED BY ACCESS VALUES.

-- TBN  8/7/86

WITH REPORT; USE REPORT;

PROCEDURE C45272A IS

     SUBTYPE INT IS INTEGER RANGE 0 .. 20;

     TYPE VARSTR (LEN : INT := 0) IS

          RECORD

               VAL : STRING (1..LEN);

          END RECORD;

     TYPE VARREC IS

          RECORD

               A, B : VARSTR;

          END RECORD;

     TYPE CELL2;

     TYPE LINK IS ACCESS CELL2;

     TYPE CELL1 (NAM_LEN : INT := 0) IS

          RECORD

               NAME : STRING (1..NAM_LEN);

          END RECORD;

     TYPE CELL2 IS

          RECORD

               ONE : CELL1;

               TWO : CELL1;

               NEW_LINK : LINK;

          END RECORD;

     X, Y : VARREC;

     FRONT : LINK := NEW CELL2'((5, "XXYZZ"), (5, "YYYZZ"), NULL);

     BACK : LINK := NEW CELL2'((5, "XXYZZ"), (5, "YYYZZ"), NULL);

BEGIN

     TEST ("C45272A", "CHECK THAT EQUALITY AND INEQUALITY ARE " &

                      "EVALUATED CORRECTLY FOR RECORDS WHOSE " &

                      "COMPONENTS HAVE CHANGEABLE DISCRIMINANTS");

     X := ((5, "AAAXX"), (5, "BBBYY"));

     Y := ((5, "AAAZZ"), (5, "BBBYY"));

     IF X = Y THEN

          FAILED ("INCORRECT RESULTS FOR RECORDS - 1");

     END IF;

     X.A := (3, "HHH");

     Y.A := (IDENT_INT(3), IDENT_STR("HHH"));

     IF X /= Y THEN

          FAILED ("INCORRECT RESULTS FOR RECORDS - 2");

     END IF;

     IF FRONT.ALL /= BACK.ALL THEN

          FAILED ("INCORRECT RESULTS FOR RECORDS - 3");

     END IF;

     BACK.NEW_LINK := FRONT;

     IF FRONT.ALL = BACK.ALL THEN

          FAILED ("INCORRECT RESULTS FOR RECORDS - 4");

     END IF;

     FRONT.NEW_LINK := FRONT;

     IF FRONT.ALL /= BACK.ALL THEN

          FAILED ("INCORRECT RESULTS FOR RECORDS - 5");

     END IF;

     FRONT.ONE := (5, "XXXXX");

     BACK.ONE := (5, "ZZZZZ");

     IF FRONT.ALL = BACK.ALL THEN

          FAILED ("INCORRECT RESULTS FOR RECORDS - 6");

     END IF;

     FRONT.ONE := (3, "XXX");

     BACK.ONE := (3, "XXX");

     IF FRONT.ALL /= BACK.ALL THEN

          FAILED ("INCORRECT RESULTS FOR RECORDS - 7");

     END IF;

     RESULT;

END C45272A;