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jeremybenn |
-- C54A42A.ADA
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-- Grant of Unlimited Rights
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--
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-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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-- unlimited rights in the software and documentation contained herein.
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-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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-- this public release, the Government intends to confer upon all
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-- recipients unlimited rights equal to those held by the Government.
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-- These rights include rights to use, duplicate, release or disclose the
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-- released technical data and computer software in whole or in part, in
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-- any manner and for any purpose whatsoever, and to have or permit others
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-- to do so.
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--
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-- DISCLAIMER
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--
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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-- CHECK THAT A CASE_STATEMENT MAY HANDLE A LARGE NUMBER OF
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-- POTENTIAL VALUES GROUPED INTO A SMALL NUMBER OF ALTERNATIVES
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-- AND THAT EACH TIME THE APPROPRIATE ALTERNATIVE IS EXECUTED.
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-- (OPTIMIZATION TEST.)
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-- RM 03/24/81
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-- PWN 11/30/94 SUBTYPE QUALIFIED LITERALS FOR ADA 9X.
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WITH REPORT;
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PROCEDURE C54A42A IS
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USE REPORT ;
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BEGIN
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TEST( "C54A42A" , "TEST THAT A CASE_STATEMENT HANDLES CORRECTLY" &
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" A LARGE NUMBER OF POTENTIAL VALUES GROUPED" &
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" INTO A SMALL NUMBER OF ALTERNATIVES" );
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DECLARE
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STATCON : CONSTANT CHARACTER := 'B' ;
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STATVAR : CHARACTER := 'Q' ;
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DYNCON : CONSTANT CHARACTER := IDENT_CHAR( 'Y' );
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DYNVAR : CHARACTER := IDENT_CHAR( 'Z' );
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BEGIN
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CASE CHARACTER'('A') IS
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WHEN ASCII.NUL .. 'A' => NULL ;
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WHEN 'B' => FAILED( "WRONG ALTERN. A2" );
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WHEN 'P' => FAILED( "WRONG ALTERN. A3" );
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WHEN 'Y' => FAILED( "WRONG ALTERN. A4" );
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WHEN 'Z' .. ASCII.DEL => FAILED( "WRONG ALTERN. A5" );
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WHEN OTHERS => FAILED( "WRONG ALTERN. A6" );
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END CASE;
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CASE STATCON IS
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WHEN ASCII.NUL .. 'A' => FAILED( "WRONG ALTERN. B1" );
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WHEN 'B' => NULL ;
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WHEN 'P' => FAILED( "WRONG ALTERN. B3" );
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WHEN 'Y' => FAILED( "WRONG ALTERN. B4" );
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WHEN 'Z' .. ASCII.DEL => FAILED( "WRONG ALTERN. B5" );
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WHEN OTHERS => FAILED( "WRONG ALTERN. B6" );
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END CASE;
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CASE STATVAR IS
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WHEN ASCII.NUL .. 'A' => FAILED( "WRONG ALTERN. C1" );
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WHEN 'B' => FAILED( "WRONG ALTERN. C2" );
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WHEN 'P' => FAILED( "WRONG ALTERN. C3" );
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WHEN 'Y' => FAILED( "WRONG ALTERN. C4" );
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WHEN 'Z' .. ASCII.DEL => FAILED( "WRONG ALTERN. C5" );
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WHEN OTHERS => NULL ;
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END CASE;
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CASE DYNCON IS
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WHEN ASCII.NUL .. 'A' => FAILED( "WRONG ALTERN. D1" );
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WHEN 'B' => FAILED( "WRONG ALTERN. D2" );
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WHEN 'P' => FAILED( "WRONG ALTERN. D3" );
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WHEN 'Y' => NULL ;
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WHEN 'Z' .. ASCII.DEL => FAILED( "WRONG ALTERN. D5" );
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WHEN OTHERS => FAILED( "WRONG ALTERN. D6" );
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END CASE;
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CASE DYNVAR IS
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WHEN ASCII.NUL .. 'A' => FAILED( "WRONG ALTERN. E1" );
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WHEN 'B' => FAILED( "WRONG ALTERN. E2" );
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WHEN 'P' => FAILED( "WRONG ALTERN. E3" );
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WHEN 'Y' => FAILED( "WRONG ALTERN. E4" );
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WHEN 'Z' .. ASCII.DEL => NULL ;
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WHEN OTHERS => FAILED( "WRONG ALTERN. E6" );
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END CASE;
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END ;
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DECLARE
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NUMBER : CONSTANT := -100 ;
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LITEXPR : CONSTANT := 0 * NUMBER + 16 ;
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STATCON : CONSTANT INTEGER := +100 ;
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DYNVAR : INTEGER := IDENT_INT( 102 ) ;
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DYNCON : CONSTANT INTEGER := IDENT_INT( 17 ) ;
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BEGIN
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CASE INTEGER'(-102) IS
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WHEN INTEGER'FIRST..-101 => NULL ;
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WHEN -100 => FAILED("WRONG ALTERN. F2");
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WHEN 17 => FAILED("WRONG ALTERN. F2");
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WHEN 100 => FAILED("WRONG ALTERN. F4");
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WHEN 101..INTEGER'LAST => FAILED("WRONG ALTERN. F5");
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WHEN OTHERS => FAILED("WRONG ALTERN. F6");
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END CASE;
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CASE IDENT_INT(NUMBER) IS
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WHEN INTEGER'FIRST..-101 => FAILED("WRONG ALTERN. G1");
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WHEN -100 => NULL ;
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WHEN 17 => FAILED("WRONG ALTERN. G3");
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WHEN 100 => FAILED("WRONG ALTERN. G4");
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WHEN 101..INTEGER'LAST => FAILED("WRONG ALTERN. G5");
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WHEN OTHERS => FAILED("WRONG ALTERN. G6");
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END CASE;
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CASE IDENT_INT(LITEXPR) IS
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WHEN INTEGER'FIRST..-101 => FAILED("WRONG ALTERN. H1");
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WHEN -100 => FAILED("WRONG ALTERN. H2");
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WHEN 17 => FAILED("WRONG ALTERN. H3");
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WHEN 100 => FAILED("WRONG ALTERN. H4");
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WHEN 101..INTEGER'LAST => FAILED("WRONG ALTERN. H5");
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WHEN OTHERS => NULL ;
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END CASE;
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CASE STATCON IS
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WHEN INTEGER'FIRST..-101 => FAILED("WRONG ALTERN. I1");
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WHEN -100 => FAILED("WRONG ALTERN. I2");
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WHEN 17 => FAILED("WRONG ALTERN. I3");
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WHEN 100 => NULL ;
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WHEN 101..INTEGER'LAST => FAILED("WRONG ALTERN. I5");
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WHEN OTHERS => FAILED("WRONG ALTERN. I6");
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END CASE;
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CASE DYNVAR IS
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WHEN INTEGER'FIRST..-101 => FAILED("WRONG ALTERN. J1");
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WHEN -100 => FAILED("WRONG ALTERN. J2");
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WHEN 17 => FAILED("WRONG ALTERN. J3");
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WHEN 100 => FAILED("WRONG ALTERN. J4");
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WHEN 101..INTEGER'LAST => NULL ;
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WHEN OTHERS => FAILED("WRONG ALTERN. J6");
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END CASE;
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CASE DYNCON IS
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WHEN INTEGER'FIRST..-101 => FAILED("WRONG ALTERN. K1");
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WHEN -100 => FAILED("WRONG ALTERN. K2");
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WHEN 17 => NULL ;
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WHEN 100 => FAILED("WRONG ALTERN. K4");
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WHEN 101..INTEGER'LAST => FAILED("WRONG ALTERN. K5");
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WHEN OTHERS => FAILED("WRONG ALTERN. K6");
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END CASE;
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END ;
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RESULT ;
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END C54A42A ;
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