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-- C37217C.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 WHETHER THE OPTIONAL COMPATIBILITY CHECK IS
-- PERFORMED WHEN A DISCRIMINANT CONSTRAINT IS GIVEN FOR AN ACCESS
-- TYPE - WHEN THERE IS A "LOOP" IN THE DESIGNATED TYPE'S FULL
-- DECLARATION.
-- HISTORY:
-- DHH 08/04/88 CREATED ORIGINAL TEST.
WITH REPORT; USE REPORT;
PROCEDURE C37217C IS
BEGIN --C37217C BODY
TEST ("C37217C", "CHECK WHETHER THE OPTIONAL COMPATIBILITY " &
"CHECK IS PERFORMED WHEN A DISCRIMINANT " &
"CONSTRAINT IS GIVEN FOR AN ACCESS TYPE " &
"- WHEN THERE IS A ""LOOP"" IN THE DESIGNATED " &
"TYPE'S FULL DECLARATION");
BEGIN
DECLARE
TYPE R1(D1 : INTEGER);
TYPE R2(D2 : INTEGER);
TYPE R3(D3 : POSITIVE);
TYPE ACC_R1 IS ACCESS R1;
TYPE ACC_R2 IS ACCESS R2;
TYPE ACC_R3 IS ACCESS R3;
TYPE R1(D1 : INTEGER) IS
RECORD
C1 : ACC_R2(D1);
END RECORD;
TYPE R2(D2 : INTEGER) IS
RECORD
C2 : ACC_R3(D2);
END RECORD;
TYPE R3(D3 : POSITIVE) IS
RECORD
C3 : ACC_R1(D3);
END RECORD;
X1 : ACC_R1(IDENT_INT(0));
BEGIN
COMMENT("OPTIONAL COMPATIBILITY CHECK NOT PERFORMED");
X1 := NEW R1'(D1 =>IDENT_INT(0),
C1 => NEW R2'(D2 => IDENT_INT(0),
C2 => NEW R3(IDENT_INT(0))));
FAILED("CONSTRAINT_ERROR NOT RAISED");
IF IDENT_INT(X1.C1.C2.D3) /= IDENT_INT(0) THEN
COMMENT("THIS LINE SHOULD NOT PRINT OUT");
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED("UNEXPECTED EXCEPTION RAISED IN " &
"VARIABLE USE - LOOPED");
END;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
COMMENT("OPTIONAL COMPATIBILITY CHECK PERFORMED");
WHEN OTHERS =>
FAILED("UNEXPECTED EXCEPTION RAISED IN " &
"VARIABLE DECLARATION - LOOPED");
END;
RESULT;
END C37217C; -- BODY
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