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-- A54B01A.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 CONSTANT, VARIABLE,

--    TYPE CONVERSION, OR QUALIFIED EXPRESSION,

--    AND THE SUBTYPE OF THE

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

--    VALUES IN THE SUBTYPE'S RANGE ARE COVERED.

-- RM 01/23/80

-- SPS 10/26/82

-- SPS 2/1/83

WITH REPORT ;

PROCEDURE  A54B01A  IS

     USE REPORT ;

BEGIN

     TEST("A54B01A" , "CHECK THAT IF" &

                      " THE SUBTYPE OF A CASE EXPRESSION IS STATIC," &

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

                      " VALUES IN THE SUBTYPE'S RANGE ARE COVERED" );

     -- THE TEST CASES APPEAR IN THE FOLLOWING ORDER:

     --

     --    I.   CONSTANTS

     --

     --    II.  STATIC SUBRANGES

     --

     --         (A)    VARIABLES (INTEGER , BOOLEAN)

     --         (B)    QUALIFIED EXPRESSIONS

     --         (C)    TYPE CONVERSIONS

     DECLARE  -- CONSTANTS

          T : CONSTANT BOOLEAN := TRUE;

          FIVE : CONSTANT INTEGER := IDENT_INT(5);

     BEGIN

          CASE  FIVE  IS

               WHEN  INTEGER'FIRST..4  =>  NULL ;

               WHEN  5                 =>  NULL ;

               WHEN  6 .. INTEGER'LAST =>  NULL ;

          END CASE;

          CASE  T  IS

               WHEN  TRUE              =>  NULL ;

               WHEN  FALSE             =>  NULL ;

          END CASE;

     END ;

     DECLARE   --  STATIC SUBRANGES

          SUBTYPE  STAT  IS  INTEGER RANGE 1..5 ;

          I   : INTEGER RANGE 1..5 ;

          J   : STAT ;

          BOOL: BOOLEAN := FALSE ;

          CHAR: CHARACTER := 'U' ;

          TYPE  ENUMERATION  IS  ( FIRST,SECOND,THIRD,FOURTH,FIFTH );

          ENUM: ENUMERATION := THIRD ;

     BEGIN

          I  :=  IDENT_INT( 2 );

          J  :=  IDENT_INT( 2 );

          CASE  I  IS

               WHEN  1 | 3 | 5  =>  NULL ;

               WHEN  2 | 4      =>  NULL ;

          END CASE;

          CASE  BOOL  IS

               WHEN  TRUE   =>  NULL ;

               WHEN  FALSE  =>  NULL ;

          END CASE;

          CASE  STAT'( 2 )  IS

               WHEN  5 | 2..4  =>  NULL ;

               WHEN  1         =>  NULL ;

          END CASE;

          CASE  STAT( J )  IS

               WHEN  5 | 2..4  =>  NULL ;

               WHEN  1         =>  NULL ;

          END CASE;

     END ;     --  STATIC SUBRANGES

     RESULT ;

END A54B01A ;