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-- C54A42A.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 A CASE_STATEMENT MAY HANDLE A LARGE NUMBER OF
-- POTENTIAL VALUES GROUPED INTO A SMALL NUMBER OF ALTERNATIVES
-- AND THAT EACH TIME THE APPROPRIATE ALTERNATIVE IS EXECUTED.
-- (OPTIMIZATION TEST.)
-- RM 03/24/81
-- PWN 11/30/94 SUBTYPE QUALIFIED LITERALS FOR ADA 9X.
WITH REPORT;
PROCEDURE C54A42A IS
USE REPORT ;
BEGIN
TEST( "C54A42A" , "TEST THAT A CASE_STATEMENT HANDLES CORRECTLY" &
" A LARGE NUMBER OF POTENTIAL VALUES GROUPED" &
" INTO A SMALL NUMBER OF ALTERNATIVES" );
DECLARE
STATCON : CONSTANT CHARACTER := 'B' ;
STATVAR : CHARACTER := 'Q' ;
DYNCON : CONSTANT CHARACTER := IDENT_CHAR( 'Y' );
DYNVAR : CHARACTER := IDENT_CHAR( 'Z' );
BEGIN
CASE CHARACTER'('A') IS
WHEN ASCII.NUL .. 'A' => NULL ;
WHEN 'B' => FAILED( "WRONG ALTERN. A2" );
WHEN 'P' => FAILED( "WRONG ALTERN. A3" );
WHEN 'Y' => FAILED( "WRONG ALTERN. A4" );
WHEN 'Z' .. ASCII.DEL => FAILED( "WRONG ALTERN. A5" );
WHEN OTHERS => FAILED( "WRONG ALTERN. A6" );
END CASE;
CASE STATCON IS
WHEN ASCII.NUL .. 'A' => FAILED( "WRONG ALTERN. B1" );
WHEN 'B' => NULL ;
WHEN 'P' => FAILED( "WRONG ALTERN. B3" );
WHEN 'Y' => FAILED( "WRONG ALTERN. B4" );
WHEN 'Z' .. ASCII.DEL => FAILED( "WRONG ALTERN. B5" );
WHEN OTHERS => FAILED( "WRONG ALTERN. B6" );
END CASE;
CASE STATVAR IS
WHEN ASCII.NUL .. 'A' => FAILED( "WRONG ALTERN. C1" );
WHEN 'B' => FAILED( "WRONG ALTERN. C2" );
WHEN 'P' => FAILED( "WRONG ALTERN. C3" );
WHEN 'Y' => FAILED( "WRONG ALTERN. C4" );
WHEN 'Z' .. ASCII.DEL => FAILED( "WRONG ALTERN. C5" );
WHEN OTHERS => NULL ;
END CASE;
CASE DYNCON IS
WHEN ASCII.NUL .. 'A' => FAILED( "WRONG ALTERN. D1" );
WHEN 'B' => FAILED( "WRONG ALTERN. D2" );
WHEN 'P' => FAILED( "WRONG ALTERN. D3" );
WHEN 'Y' => NULL ;
WHEN 'Z' .. ASCII.DEL => FAILED( "WRONG ALTERN. D5" );
WHEN OTHERS => FAILED( "WRONG ALTERN. D6" );
END CASE;
CASE DYNVAR IS
WHEN ASCII.NUL .. 'A' => FAILED( "WRONG ALTERN. E1" );
WHEN 'B' => FAILED( "WRONG ALTERN. E2" );
WHEN 'P' => FAILED( "WRONG ALTERN. E3" );
WHEN 'Y' => FAILED( "WRONG ALTERN. E4" );
WHEN 'Z' .. ASCII.DEL => NULL ;
WHEN OTHERS => FAILED( "WRONG ALTERN. E6" );
END CASE;
END ;
DECLARE
NUMBER : CONSTANT := -100 ;
LITEXPR : CONSTANT := 0 * NUMBER + 16 ;
STATCON : CONSTANT INTEGER := +100 ;
DYNVAR : INTEGER := IDENT_INT( 102 ) ;
DYNCON : CONSTANT INTEGER := IDENT_INT( 17 ) ;
BEGIN
CASE INTEGER'(-102) IS
WHEN INTEGER'FIRST..-101 => NULL ;
WHEN -100 => FAILED("WRONG ALTERN. F2");
WHEN 17 => FAILED("WRONG ALTERN. F2");
WHEN 100 => FAILED("WRONG ALTERN. F4");
WHEN 101..INTEGER'LAST => FAILED("WRONG ALTERN. F5");
WHEN OTHERS => FAILED("WRONG ALTERN. F6");
END CASE;
CASE IDENT_INT(NUMBER) IS
WHEN INTEGER'FIRST..-101 => FAILED("WRONG ALTERN. G1");
WHEN -100 => NULL ;
WHEN 17 => FAILED("WRONG ALTERN. G3");
WHEN 100 => FAILED("WRONG ALTERN. G4");
WHEN 101..INTEGER'LAST => FAILED("WRONG ALTERN. G5");
WHEN OTHERS => FAILED("WRONG ALTERN. G6");
END CASE;
CASE IDENT_INT(LITEXPR) IS
WHEN INTEGER'FIRST..-101 => FAILED("WRONG ALTERN. H1");
WHEN -100 => FAILED("WRONG ALTERN. H2");
WHEN 17 => FAILED("WRONG ALTERN. H3");
WHEN 100 => FAILED("WRONG ALTERN. H4");
WHEN 101..INTEGER'LAST => FAILED("WRONG ALTERN. H5");
WHEN OTHERS => NULL ;
END CASE;
CASE STATCON IS
WHEN INTEGER'FIRST..-101 => FAILED("WRONG ALTERN. I1");
WHEN -100 => FAILED("WRONG ALTERN. I2");
WHEN 17 => FAILED("WRONG ALTERN. I3");
WHEN 100 => NULL ;
WHEN 101..INTEGER'LAST => FAILED("WRONG ALTERN. I5");
WHEN OTHERS => FAILED("WRONG ALTERN. I6");
END CASE;
CASE DYNVAR IS
WHEN INTEGER'FIRST..-101 => FAILED("WRONG ALTERN. J1");
WHEN -100 => FAILED("WRONG ALTERN. J2");
WHEN 17 => FAILED("WRONG ALTERN. J3");
WHEN 100 => FAILED("WRONG ALTERN. J4");
WHEN 101..INTEGER'LAST => NULL ;
WHEN OTHERS => FAILED("WRONG ALTERN. J6");
END CASE;
CASE DYNCON IS
WHEN INTEGER'FIRST..-101 => FAILED("WRONG ALTERN. K1");
WHEN -100 => FAILED("WRONG ALTERN. K2");
WHEN 17 => NULL ;
WHEN 100 => FAILED("WRONG ALTERN. K4");
WHEN 101..INTEGER'LAST => FAILED("WRONG ALTERN. K5");
WHEN OTHERS => FAILED("WRONG ALTERN. K6");
END CASE;
END ;
RESULT ;
END C54A42A ;
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