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+-- C58005A.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 WHEN A FUNCTION IS READY TO RETURN CONTROL TO ITS INVOKER
+-- THE CONSTRAINTS ON THE RETURN VALUES ARE CHECKED, AND THAT
+-- CONSTRAINT ERROR IS THEN RAISED IF AND ONLY IF THE CONSTRAINTS
+-- ARE NOT SATISFIED.
+
+-- THIS TEST CHECKS THAT THE EXCEPTION IS RAISED UNDER THE APPROPRIATE
+-- CONDITIONS; IT ALSO CHECKS THE IDENTITY OF THE EXCEPTION. THE
+-- PRECISE MOMENT AND PLACE THE EXCEPTION IS RAISED IS TESTED
+-- ELSEWHERE.
+
+
+-- RM 05/14/81
+-- SPS 10/26/82
+
+WITH REPORT;
+PROCEDURE C58005A IS
+
+ USE REPORT ;
+
+ INTVAR : INTEGER ;
+
+BEGIN
+
+ TEST( "C58005A" , "CHECK THAT EXCEPTIONS ARE RAISED BY A RETURN" &
+ " STATEMENT IF AND ONLY IF THE CONSTRAINTS ARE" &
+ " VIOLATED" );
+
+
+ DECLARE
+ SUBTYPE I1 IS INTEGER RANGE -10..90;
+ SUBTYPE I2 IS INTEGER RANGE 1..10;
+ FUNCTION FN1( X : I1 )
+ RETURN I2 IS
+ BEGIN
+ RETURN 0 ;
+ END FN1 ;
+
+ FUNCTION FN2( X : I1 )
+ RETURN I2 IS
+ BEGIN
+ RETURN X + IDENT_INT(0) ;
+ END FN2 ;
+
+ FUNCTION FN3( X : I1 )
+ RETURN I2 IS
+ HUNDRED : INTEGER RANGE -100..100 := IDENT_INT(100) ;
+ BEGIN
+ RETURN HUNDRED - 90 ;
+ END FN3 ;
+
+ BEGIN
+
+ INTVAR := 0 ;
+
+ BEGIN
+ INTVAR := FN1( 0 ) + INTVAR ; -- EXCEPTION.
+ FAILED( "EXCEPTION NOT RAISED - 1" );
+ EXCEPTION
+ WHEN CONSTRAINT_ERROR => INTVAR := INTVAR + 10 ;
+ WHEN OTHERS => FAILED( "WRONG EXCEPTION RAISED - 1" ) ;
+ END ;
+
+ BEGIN
+ INTVAR := FN2( 1 ) + INTVAR ; -- 10+1=11 -- NO EXCEPTION.
+ INTVAR := INTVAR + 100 ; -- 11+100=111
+ EXCEPTION
+ WHEN OTHERS => FAILED( "EXCEPTION RAISED - 2" ) ;
+ END ;
+
+ BEGIN
+ INTVAR := FN2(11 ) + INTVAR ; -- EXCEPTION.
+ FAILED( "EXCEPTION NOT RAISED - 3" );
+ EXCEPTION
+ WHEN CONSTRAINT_ERROR => INTVAR := INTVAR + 10 ; -- 121
+ WHEN OTHERS => FAILED( "WRONG EXCEPTION RAISED - 3" ) ;
+ END ;
+
+ BEGIN
+ INTVAR := FN3( 0 ) + INTVAR ;--121+10=131 --NO EXCEPTION.
+ INTVAR := INTVAR + 1000 ;-- 131+1000=1131
+ EXCEPTION
+ WHEN OTHERS => FAILED( "EXCEPTION RAISED - 4" ) ;
+ END ;
+
+
+ END ;
+
+
+ IF INTVAR /= 1131 THEN
+ FAILED("WRONG FLOW OF CONTROL" );
+ END IF;
+
+
+ RESULT ;
+
+
+END C58005A;