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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 ;
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