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-- C55B15A.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 A DISCRETE_RANGE OF THE FORM  'ST RANGE L..R'

--    RAISES AN EXCEPTION BECAUSE  L  OR  R  IS A NON-STATIC

--    EXPRESSION WHOSE VALUE IS OUTSIDE  THE RANGE OF VALUES

--    ASSOCIATED WITH  ST  (OR BECAUSE  ST'FIRST  IS NON-STATIC

--    AND  L  IS STATIC AND LESS THAN  ST'FIRST ; SIMILARLY FOR

--     ST'LAST  AND  R ), CONTROL DOES NOT ENTER THE LOOP.

-- *** NOTE: This test has been modified since ACVC version 1.11 to    -- 9X

-- ***       remove incompatibilities associated with the transition   -- 9X

-- ***       to Ada 9X.                                                -- 9X

-- ***                                                                 -- 9X

-- RM  04/13/81

-- SPS 11/01/82

-- BHS 07/13/84

-- EG  10/28/85  FIX NUMERIC_ERROR/CONSTRAINT_ERROR ACCORDING TO

--               AI-00387.

-- MRM 03/30/93  REMOVED NUMERIC_ERROR FOR 9X COMPATIBILITY

-- GJD 11/15/95  REMOVED CASE OF POTENTIALLY STATICALLY INCOMPATIBLE RANGE.

WITH SYSTEM;

WITH REPORT;

PROCEDURE  C55B15A  IS

     USE  REPORT ;

BEGIN

     TEST( "C55B15A" , "WHEN  'FOR  I  IN  ST RANGE L..R  LOOP' "     &

                       "RAISES AN EXCEPTION, CONTROL DOES NOT ENTER " &

                       "THE BODY OF THE LOOP" );

     -------------------------------------------------------------------

     ----------------- STATIC (SUB)TYPE, DYNAMIC RANGE -----------------

     DECLARE

          SUBTYPE  ST  IS  INTEGER RANGE 1..4 ;

          FIRST   :  CONSTANT INTEGER := IDENT_INT( 1) ;

          SECOND  :  CONSTANT INTEGER := IDENT_INT( 2) ;

          THIRD   :  CONSTANT INTEGER := IDENT_INT( 3) ;

          FOURTH  :  CONSTANT INTEGER := IDENT_INT( 4) ;

          FIFTH   :  CONSTANT INTEGER := IDENT_INT( 5) ;

          TENTH   :  CONSTANT INTEGER := IDENT_INT(10) ;

          ZEROTH  :  CONSTANT INTEGER := IDENT_INT( 0) ;

     BEGIN

          BEGIN

               FOR  I  IN  ST RANGE 3..TENTH  LOOP

                    FAILED( "EXCEPTION NOT RAISED (I1)" );

               END LOOP;

          EXCEPTION

               WHEN  CONSTRAINT_ERROR => NULL ;

               WHEN  OTHERS           =>

                    FAILED( "WRONG EXCEPTION RAISED (I1)" );

          END ;

          BEGIN

               FOR  I  IN  ST RANGE 0..THIRD  LOOP

                    FAILED( "EXCEPTION NOT RAISED (I2)" );

               END LOOP;

          EXCEPTION

               WHEN  CONSTRAINT_ERROR => NULL ;

               WHEN  OTHERS           =>

                    FAILED( "WRONG EXCEPTION RAISED (I2)" );

          END ;

     END ;

     -------------------------------------------------------------------

     ----------------- DYNAMIC (SUB)TYPE, STATIC RANGE -----------------

     DECLARE

          TYPE  ENUM   IS  ( AMINUS , A,B,C,D,E,  F,G,H,I,J );

          SUBTYPE  ST  IS  ENUM RANGE ENUM'VAL( IDENT_INT( 1) ) ..

                                      ENUM'VAL( IDENT_INT( 4) ) ;

          FIRST   :  CONSTANT ENUM := A ;

          SECOND  :  CONSTANT ENUM := B ;

          THIRD   :  CONSTANT ENUM := C ;

          FOURTH  :  CONSTANT ENUM := D ;

          FIFTH   :  CONSTANT ENUM := E ;

          TENTH   :  CONSTANT ENUM := J ;

          ZEROTH  :  CONSTANT ENUM := AMINUS ;

     BEGIN

          BEGIN

               FOR  I  IN  ST RANGE C..TENTH  LOOP

                    FAILED( "EXCEPTION NOT RAISED (E1)" );

               END LOOP;

          EXCEPTION

               WHEN  CONSTRAINT_ERROR => NULL ;

               WHEN  OTHERS           =>

                    FAILED( "WRONG EXCEPTION RAISED (E1)" );

          END ;

          BEGIN

               FOR  I  IN  ST RANGE AMINUS..THIRD  LOOP

                    FAILED( "EXCEPTION NOT RAISED (E2)" );

               END LOOP;

          EXCEPTION

               WHEN  CONSTRAINT_ERROR => NULL ;

               WHEN  OTHERS           =>

                    FAILED( "WRONG EXCEPTION RAISED (E2)" );

          END ;

     END ;

     DECLARE

          SUBTYPE  ST  IS  CHARACTER RANGE IDENT_CHAR( 'A' ) ..

                                           IDENT_CHAR( 'D' ) ;

          FIRST   :  CONSTANT CHARACTER := 'A' ;

          SECOND  :  CONSTANT CHARACTER := 'B' ;

          THIRD   :  CONSTANT CHARACTER := 'C' ;

          FOURTH  :  CONSTANT CHARACTER := 'D' ;

          FIFTH   :  CONSTANT CHARACTER := 'E' ;

          TENTH   :  CONSTANT CHARACTER := 'J' ;

          ZEROTH  :  CONSTANT CHARACTER := '0' ;--ZERO; PRECEDES LETTERS

     BEGIN

          BEGIN

               FOR  I  IN  ST RANGE 'C'..TENTH  LOOP

                    FAILED( "EXCEPTION NOT RAISED (C1)" );

               END LOOP;

          EXCEPTION

               WHEN  CONSTRAINT_ERROR => NULL ;

               WHEN  OTHERS           =>

                    FAILED( "WRONG EXCEPTION RAISED (C1)" );

          END ;

          BEGIN

               FOR  I  IN  ST RANGE '0'..THIRD  LOOP -- ZERO..'C'

                    FAILED( "EXCEPTION NOT RAISED (C2)" );

               END LOOP;

          EXCEPTION

               WHEN  CONSTRAINT_ERROR => NULL ;

               WHEN  OTHERS           =>

                    FAILED( "WRONG EXCEPTION RAISED (C2)" );

          END ;

     END ;

     RESULT ;

END  C55B15A ;