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-- C58006A.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 IF THE EVALUATION OF A RETURN STATEMENT'S EXPRESSION

-- RAISES AN EXCEPTION, THE EXCEPTION CAN BE HANDLED WITHIN THE BODY OF

-- THE FUNCTION. 

-- RM 05/11/81

-- SPS 10/26/82

-- SPS 3/8/83

-- JBG 9/13/83

WITH REPORT;

PROCEDURE  C58006A  IS

     USE  REPORT;

BEGIN

     TEST( "C58006A" , "CHECK THAT EXCEPTION RAISED BY A RETURN" &

                       " STATEMENT CAN BE HANDLED LOCALLY" );

     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;

          EXCEPTION

               WHEN CONSTRAINT_ERROR =>

                    COMMENT ("EXCEPTION RAISED - F1");

                    RETURN 1;

               WHEN OTHERS =>

                    FAILED ("WRONG EXCEPTION RAISED - FN1");

          END  FN1;

          FUNCTION  FN2( X : I1 )

                    RETURN  I2  IS

          BEGIN

               RETURN  X + IDENT_INT(0);

          EXCEPTION

               WHEN CONSTRAINT_ERROR =>

                    COMMENT ("EXCEPTION RAISED - F2");

                    RETURN 1;

               WHEN OTHERS =>

                    FAILED ("WRONG EXCEPTION RAISED - FN2");

          END  FN2;

          FUNCTION  FN3( X : I1 )

                    RETURN  I2  IS

               HUNDRED : INTEGER RANGE -100..100 := IDENT_INT(100);

          BEGIN

               RETURN  HUNDRED;

          EXCEPTION

               WHEN CONSTRAINT_ERROR =>

                    COMMENT ("EXCEPTION RAISED - F3");

                    RETURN 1;

               WHEN OTHERS =>

                    FAILED ("WRONG EXCEPTION RAISED - FN3");

          END  FN3;

     BEGIN

          BEGIN

               IF FN1( 0 ) /= IDENT_INT(1) THEN

                    FAILED ("NO EXCEPTION RAISED - FN1( 0 )");

               END IF;

          EXCEPTION

               WHEN OTHERS =>

                    FAILED ("EXCEPTION PROPAGATED - FN1( 0 )");

          END;

          BEGIN

               IF FN2( 0 ) /= IDENT_INT(1) THEN

                    FAILED ("NO EXCEPTION RAISED - FN2( 0 )");

               END IF;

          EXCEPTION

               WHEN OTHERS =>

                    FAILED ("EXCEPTION PROPAGATED - FN2( 0 )");

          END;

          BEGIN

               IF FN2(11 ) /= IDENT_INT(1) THEN

                    FAILED ("NO EXCEPTION RAISED - FN2(11 )");

               END IF;

          EXCEPTION

               WHEN OTHERS =>

                    FAILED ("EXCEPTION PROPAGATED - FN2(11 )");

          END;

          BEGIN

               IF FN3( 0 ) /= IDENT_INT(1) THEN

                    FAILED ("NO EXCEPTION RAISED - FN3( 0 )");

               END IF;

          EXCEPTION

               WHEN OTHERS =>

                    FAILED ("EXCEPTION PROPAGATED - FN3( 0 )");

          END;

     END;

     RESULT;

END C58006A;