-- 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;