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-- C35505E.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 THAT CONSTRAINT_ERROR IS RAISED FOR 'SUCC' AND 'PRED',
-- IF THE RESULT WOULD BE OUTSIDE THE RANGE OF THE BASE TYPE,
-- WHEN THE PREFIX IS A FORMAL DISCRETE TYPE WHOSE ACTUAL ARGUMENT
-- IS TYPE CHARACTER OR A SUBTYPE OF TYPE CHARACTER.
-- HISTORY:
-- DWC 07/01/87
WITH REPORT; USE REPORT;
PROCEDURE C35505E IS
TYPE CHAR IS ('A', B, C);
SUBTYPE NEWCHAR IS CHAR;
BEGIN
TEST ( "C35505E", "CHECK THAT CONSTRAINT_ERROR IS RAISED FOR " &
"'SUCC' AND 'PRED', IF THE RESULT WOULD BE " &
"OUTSIDE THE RANGE OF THE BASE TYPE, WHEN " &
"THE PREFIX IS A FORMAL DISCRETE TYPE WHOSE " &
"ACTUAL ARGUMENT IS A CHARACTER TYPE ");
DECLARE
GENERIC
TYPE SUBCH IS (<>);
STR : STRING;
I1, I2 : INTEGER;
PROCEDURE P;
PROCEDURE P IS
FUNCTION IDENT (C : SUBCH) RETURN SUBCH IS
BEGIN
RETURN SUBCH'VAL (IDENT_INT (SUBCH'POS (C)));
END IDENT;
BEGIN
BEGIN
IF SUBCH'PRED (SUBCH'BASE'FIRST) = SUBCH'VAL (0)
THEN
FAILED ( "CONSTRAINT_ERROR NOT RAISED FOR " &
STR & "'PRED - 1" );
ELSE
FAILED ( "CONSTRAINT_ERROR NOT RAISED FOR " &
STR & "'PRED - 2" );
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ( "WRONG EXCEPTION RAISED FOR " &
STR & "'PRED - 1" );
END;
BEGIN
IF SUBCH'SUCC (SUBCH'BASE'LAST) = SUBCH'VAL (0) THEN
FAILED ( "CONSTRAINT_ERROR NOT RAISED FOR " &
STR & "'SUCC - 1" );
ELSE
FAILED ( "CONSTRAINT_ERROR NOT RAISED FOR " &
STR & "'SUCC - 2" );
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ( "WRONG EXCEPTION RAISED FOR " &
STR & "'SUCC - 1" );
END;
BEGIN
IF SUBCH'PRED (IDENT (SUBCH'BASE'FIRST)) =
SUBCH'VAL (I1) THEN
FAILED ( "NO EXCEPTION RAISED " &
"FOR " & STR & "'PRED " &
"(IDENT (SUBCH'BASE'FIRST)) - 1" );
ELSE
FAILED ( "NO EXCEPTION RAISED " &
"FOR " & STR & "'PRED " &
"(IDENT (SUBCH'BASE'FIRST)) - 2" );
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ( "WRONG EXCEPTION RAISED " &
"FOR " & STR & "'PRED " &
"(IDENT (SUBCH'BASE'FIRST))" );
END;
BEGIN
IF SUBCH'SUCC (IDENT(SUBCH'BASE'LAST)) =
SUBCH'VAL (I2) THEN
FAILED ( "NO EXCEPTION RAISED " &
"FOR " & STR & "'SUCC " &
"(IDENT (SUBCH'BASE'LAST)) - 1" );
ELSE
FAILED ( "NO EXCEPTION RAISED " &
"FOR " & STR & "'SUCC " &
"(IDENT (SUBCH'BASE'LAST)) - 2" );
END IF;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ( "WRONG EXCEPTION RAISED " &
"FOR " & STR & "'SUCC " &
"(IDENT (SUBCH'BASE'LAST))" );
END;
END P;
PROCEDURE PCHAR IS NEW P (CHAR, "CHAR", 0, 1);
PROCEDURE PNCHAR IS NEW P (NEWCHAR, "NEWCHAR", 0, 1);
BEGIN
PCHAR;
PNCHAR;
END;
RESULT;
END C35505E;
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