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-- C41206A.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 A RANGE L..R, WHERE L=SUCC(R) CAN BE USED TO FORM
-- A NULL SLICE FROM AN ARRAY WHEN:
-- BOTH L AND R SATISFY THE INDEX CONSTRAINT;
-- L SATISFIES THE INDEX CONSTRAINT, R DOES NOT (BUT IT
-- BELONGS TO THE BASE TYPE OF THE INDEX);
-- L SATISFIES THE CONSTRAINT IMPOSED BY THE TYPE MARK OF
-- THE INDEX, BUT NOT THE CONSTRAINT ASSOCIATED WITH
-- THE INDEX;
-- THE ARRAY IS NULL, AND L IS IN THE RANGE OF THE INDEX SUBTYPE.
-- WKB 8/10/81
WITH REPORT;
USE REPORT;
PROCEDURE C41206A IS
TYPE SMALL IS RANGE 1..100;
TYPE T IS ARRAY (SMALL RANGE <> ) OF INTEGER;
SUBTYPE T1 IS T(5..10);
A : T1 := (5,6,7,8,9,10);
B : T(8..7) := (8..7 => 1);
BEGIN
TEST ("C41206A", "USING A RANGE L..R, WHERE L=SUCC(R), " &
"TO FORM A NULL SLICE FROM AN ARRAY");
BEGIN
IF A (7..6) /= B OR A (SMALL(IDENT_INT(7))..6) /= B THEN
FAILED ("SLICE NOT NULL - 1");
END IF;
EXCEPTION
WHEN OTHERS => FAILED ("EXCEPTION RAISED - 1");
END;
BEGIN
IF A (5..4) /= B OR A (SMALL(IDENT_INT(5))..4) /= B THEN
FAILED ("SLICE NOT NULL - 2");
END IF;
EXCEPTION
WHEN OTHERS => FAILED ("EXCEPTION RAISED - 2");
END;
BEGIN
IF A (50..49) /= B OR A (SMALL(IDENT_INT(50))..49) /= B THEN
FAILED ("SLICE NOT NULL - 3");
END IF;
EXCEPTION
WHEN OTHERS => FAILED ("EXCEPTION RAISED - 3");
END;
BEGIN
IF B (50..49) /= B OR B (SMALL(IDENT_INT(50))..49) /= B THEN
FAILED ("SLICE NOT NULL - 4");
END IF;
EXCEPTION
WHEN OTHERS => FAILED ("EXCEPTION RAISED - 4");
END;
RESULT;
END C41206A;
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