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-- A54B02A.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 CASE EXPRESSION IS A VARIABLE, CONSTANT, TYPE 

--    CONVERSION, ATTRIBUTE (IN PARTICULAR 'FIRST AND 'LAST),

--    FUNCTION INVOCATION, QUALIFIED EXPRESSION, OR A PARENTHESIZED

--    EXPRESSION HAVING ONE OF THESE FORMS, AND THE SUBTYPE OF THE

--    EXPRESSION IS NON-STATIC, AN  'OTHERS'  CAN BE OMITTED IF ALL

--    VALUES IN THE BASE TYPE'S RANGE ARE COVERED.

-- RM 01/27/80

-- SPS 10/26/82

-- SPS 2/2/83

-- PWN 11/30/94 SUBTYPE QUALIFIED LITERALS FOR ADA 9X.

WITH REPORT ;

PROCEDURE  A54B02A  IS

     USE REPORT ;

BEGIN

     TEST("A54B02A" , "CHECK THAT IF THE" &

                      " SUBTYPE OF A CASE EXPRESSION IS NON-STATIC," &

                      " AN  'OTHERS'  CAN BE OMITTED IF ALL" &

                      " VALUES IN THE BASE TYPE'S RANGE ARE COVERED" );

     -- THE TEST CASES APPEAR IN THE FOLLOWING ORDER:

     --

     --         (A)    VARIABLES (INTEGER , BOOLEAN)

     --         (B)    CONSTANTS (INTEGER, BOOLEAN)

     --         (C)    ATTRIBUTES ('FIRST, 'LAST)    

     --         (D)    FUNCTION CALLS

     --         (E)    QUALIFIED EXPRESSIONS

     --         (F)    TYPE CONVERSIONS

     --         (G)    PARENTHESIZED EXPRESSIONS OF THE ABOVE KINDS

     DECLARE   --  NON-STATIC RANGES

          SUBTYPE  STAT   IS  INTEGER RANGE 1..50 ;

          SUBTYPE  DYN    IS  STAT    RANGE 1..IDENT_INT( 5 ) ;

          I   : STAT RANGE 1..IDENT_INT( 5 );

          J   : DYN ;

          SUBTYPE  DYNCHAR  IS

                CHARACTER RANGE ASCII.NUL .. IDENT_CHAR('Q');

          SUBTYPE  STATCHAR  IS

                DYNCHAR RANGE 'A' .. 'C' ;

          CHAR: DYNCHAR := 'F' ;

          TYPE  ENUMERATION  IS  ( A,B,C,D,E,F,G,H,K,L,M,N );

          SUBTYPE  STATENUM  IS

                ENUMERATION RANGE  A .. L ;

          SUBTYPE  DYNENUM  IS

                STATENUM  RANGE  A .. ENUMERATION'VAL(IDENT_INT(5));

          ENUM: DYNENUM := B ;

          CONS : CONSTANT DYN := 3;

          FUNCTION  FF  RETURN DYN  IS

          BEGIN

               RETURN  2 ;

          END  FF ;

     BEGIN

          I  :=  IDENT_INT( 2 );

          J  :=  IDENT_INT( 2 );

          CASE  I  IS

               WHEN  1 | 3 | 5  =>  NULL ;

               WHEN  2 | 4      =>  NULL ;

               WHEN  INTEGER'FIRST..0 | 6..INTEGER'LAST  =>  NULL ;

          END CASE;

          CASE  J  IS

               WHEN  1 | 3 | 5  =>  NULL ;

               WHEN  2 | 4      =>  NULL ;

               WHEN  INTEGER'FIRST..0 | 6..INTEGER'LAST  =>  NULL ;

          END CASE;

          CASE CONS IS

               WHEN  INTEGER'FIRST..INTEGER'LAST  =>  NULL;

          END CASE;

          CASE DYN'FIRST IS

               WHEN INTEGER'FIRST..0  =>  NULL;

               WHEN 1..INTEGER'LAST  =>  NULL;

          END CASE;

          CASE STATCHAR'LAST IS

               WHEN CHARACTER'FIRST..'A'  =>  NULL;

               WHEN 'B'..CHARACTER'LAST  =>  NULL;

          END CASE;

          CASE  FF  IS

               WHEN  4..5  =>  NULL ;

               WHEN  INTEGER'FIRST..0 | 6..INTEGER'LAST  =>  NULL ;

               WHEN  1..3  =>  NULL ;

          END CASE;

          CASE  DYN'( 2 )  IS

               WHEN  INTEGER'FIRST..0 | 6..INTEGER'LAST  =>  NULL ;

               WHEN  5 | 2..4  =>  NULL ;

               WHEN  1         =>  NULL ;

          END CASE;

          CASE  DYN( J )  IS

               WHEN  5 | 2..4  =>  NULL ;

               WHEN  1         =>  NULL ;

               WHEN  INTEGER'FIRST..0 | 6..INTEGER'LAST  =>  NULL ;

          END CASE;

          CASE  ( CHAR )  IS

               WHEN  ASCII.NUL .. 'P'  =>  NULL ;

               WHEN  'Q'               =>  NULL ;

               WHEN  'R' .. 'Y'        =>  NULL ;

               WHEN  'Z' .. CHARACTER'LAST  =>  NULL ;

          END CASE;

          CASE  ( ENUM )  IS

               WHEN  A | C | E  =>  NULL ;

               WHEN  B | D      =>  NULL ;

               WHEN  F .. L     =>  NULL ;

               WHEN  M .. N     =>  NULL ;

          END CASE;

          CASE  ( FF )  IS

               WHEN  1 | 3 | 5  =>  NULL ;

               WHEN  2 | 4      =>  NULL ;

               WHEN  INTEGER'FIRST..0 | 6..INTEGER'LAST  =>  NULL ;

          END CASE;

          CASE  ( DYN'( I ) )  IS

               WHEN  4..5  =>  NULL ;

               WHEN  1..3  =>  NULL ;

               WHEN  INTEGER'FIRST..0 | 6..INTEGER'LAST  =>  NULL ;

          END CASE;

          CASE  ( DYN( 2 ) )  IS

               WHEN  5 | 2..4  =>  NULL ;

               WHEN  1         =>  NULL ;

               WHEN  INTEGER'FIRST..0 | 6..INTEGER'LAST  =>  NULL ;

          END CASE;

          CASE (CONS) IS

               WHEN 1..100  =>  NULL;

               WHEN INTEGER'FIRST..0  =>  NULL;

               WHEN 101..INTEGER'LAST  =>  NULL;

          END CASE;

          CASE (DYNCHAR'LAST) IS

               WHEN 'B'..'Y'  =>  NULL;

               WHEN CHARACTER'FIRST..'A'  =>  NULL;

               WHEN 'Z'..CHARACTER'LAST  =>  NULL;

          END CASE;

     END;

     RESULT ;

END A54B02A ;