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+-- C35508H.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 'PRED' AND 'SUCC' YIELD THE CORRECT RESULTS WHEN THE
+-- PREFIX IS A FORMAL DISCRETE TYPE WHOSE ACTUAL PARAMETER IS A
+-- BOOLEAN TYPE.
+
+-- HISTORY:
+-- RJW 03/24/86 CREATED ORIGINAL TEST.
+-- DHH 10/19/87 SHORTENED LINES CONTAINING MORE THAN 72 CHARACTERS.
+
+WITH REPORT; USE REPORT;
+
+PROCEDURE C35508H IS
+
+BEGIN
+ TEST ("C35508H", "CHECK THAT 'PRED' AND 'SUCC' YIELD THE " &
+ "CORRECT RESULTS WHEN THE PREFIX IS A " &
+ "FORMAL DISCRETE TYPE WHOSE ACTUAL PARAMETER " &
+ "IS A BOOLEAN TYPE" );
+
+ DECLARE
+
+ TYPE NEWBOOL IS NEW BOOLEAN;
+
+ GENERIC
+ TYPE BOOL IS (<>);
+ F, T : BOOL;
+ PROCEDURE P (STR : STRING);
+
+ PROCEDURE P (STR : STRING) IS
+ SUBTYPE SBOOL IS BOOL RANGE T .. T;
+ BEGIN
+ BEGIN
+ IF BOOL'PRED (T) /= F THEN
+ FAILED ( "INCORRECT VALUE FOR " &
+ STR & "'PRED OF T" );
+ END IF;
+ IF BOOL'SUCC (F) /= T THEN
+ FAILED ( "INCORRECT VALUE FOR " &
+ STR & "'SUCC OF F" );
+ END IF;
+ END;
+
+ BEGIN
+ IF SBOOL'PRED (T) /= F THEN
+ FAILED ( "INCORRECT VALUE FOR SBOOL'PRED " &
+ "OF T FOR " & STR);
+ END IF;
+ END;
+
+ BEGIN
+ IF SBOOL'PRED (SBOOL'BASE'FIRST) = T THEN
+ FAILED("'PRED('FIRST) WRAPPED AROUND " &
+ "TO TRUE FOR " & STR);
+ END IF;
+ FAILED ( "NO EXCEPTION RAISED FOR " &
+ STR & "'PRED (SBOOL'BASE'FIRST)" );
+ EXCEPTION
+ WHEN CONSTRAINT_ERROR =>
+ NULL;
+ WHEN OTHERS =>
+ FAILED ( "WRONG EXCEPTION RAISED FOR " &
+ STR & "'PRED (SBOOL'BASE'FIRST)" );
+ END;
+
+ BEGIN
+ IF SBOOL'SUCC (SBOOL'BASE'LAST) = F THEN
+ FAILED("'SUCC('LAST) WRAPPED AROUND TO " &
+ "FALSE FOR " & STR);
+ END IF;
+ FAILED ( "NO EXCEPTION RAISED FOR " & STR &
+ "'SUCC (SBOOL'BASE'LAST)" );
+ EXCEPTION
+ WHEN CONSTRAINT_ERROR =>
+ NULL;
+ WHEN OTHERS =>
+ FAILED ( "WRONG EXCEPTION RAISED FOR " &
+ STR & "'SUCC (SBOOL'BASE'LAST)" );
+ END;
+ END P;
+
+ PROCEDURE NP1 IS NEW P
+ ( BOOL => BOOLEAN, F => FALSE, T => TRUE );
+
+ PROCEDURE NP2 IS NEW P
+ ( BOOL => NEWBOOL, F => FALSE, T => TRUE );
+ BEGIN
+ NP1 ("BOOLEAN");
+ NP2 ("NEWBOOL");
+ END;
+
+ RESULT;
+END C35508H;