| 1 |
720 |
jeremybenn |
-- C54A42A.ADA
|
| 2 |
|
|
|
| 3 |
|
|
-- Grant of Unlimited Rights
|
| 4 |
|
|
--
|
| 5 |
|
|
-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
|
| 6 |
|
|
-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
|
| 7 |
|
|
-- unlimited rights in the software and documentation contained herein.
|
| 8 |
|
|
-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
|
| 9 |
|
|
-- this public release, the Government intends to confer upon all
|
| 10 |
|
|
-- recipients unlimited rights equal to those held by the Government.
|
| 11 |
|
|
-- These rights include rights to use, duplicate, release or disclose the
|
| 12 |
|
|
-- released technical data and computer software in whole or in part, in
|
| 13 |
|
|
-- any manner and for any purpose whatsoever, and to have or permit others
|
| 14 |
|
|
-- to do so.
|
| 15 |
|
|
--
|
| 16 |
|
|
-- DISCLAIMER
|
| 17 |
|
|
--
|
| 18 |
|
|
-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
|
| 19 |
|
|
-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
|
| 20 |
|
|
-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
|
| 21 |
|
|
-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
|
| 22 |
|
|
-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
|
| 23 |
|
|
-- PARTICULAR PURPOSE OF SAID MATERIAL.
|
| 24 |
|
|
--*
|
| 25 |
|
|
-- CHECK THAT A CASE_STATEMENT MAY HANDLE A LARGE NUMBER OF
|
| 26 |
|
|
-- POTENTIAL VALUES GROUPED INTO A SMALL NUMBER OF ALTERNATIVES
|
| 27 |
|
|
-- AND THAT EACH TIME THE APPROPRIATE ALTERNATIVE IS EXECUTED.
|
| 28 |
|
|
|
| 29 |
|
|
-- (OPTIMIZATION TEST.)
|
| 30 |
|
|
|
| 31 |
|
|
|
| 32 |
|
|
-- RM 03/24/81
|
| 33 |
|
|
-- PWN 11/30/94 SUBTYPE QUALIFIED LITERALS FOR ADA 9X.
|
| 34 |
|
|
|
| 35 |
|
|
|
| 36 |
|
|
WITH REPORT;
|
| 37 |
|
|
PROCEDURE C54A42A IS
|
| 38 |
|
|
|
| 39 |
|
|
USE REPORT ;
|
| 40 |
|
|
|
| 41 |
|
|
BEGIN
|
| 42 |
|
|
|
| 43 |
|
|
TEST( "C54A42A" , "TEST THAT A CASE_STATEMENT HANDLES CORRECTLY" &
|
| 44 |
|
|
" A LARGE NUMBER OF POTENTIAL VALUES GROUPED" &
|
| 45 |
|
|
" INTO A SMALL NUMBER OF ALTERNATIVES" );
|
| 46 |
|
|
|
| 47 |
|
|
DECLARE
|
| 48 |
|
|
|
| 49 |
|
|
STATCON : CONSTANT CHARACTER := 'B' ;
|
| 50 |
|
|
STATVAR : CHARACTER := 'Q' ;
|
| 51 |
|
|
DYNCON : CONSTANT CHARACTER := IDENT_CHAR( 'Y' );
|
| 52 |
|
|
DYNVAR : CHARACTER := IDENT_CHAR( 'Z' );
|
| 53 |
|
|
|
| 54 |
|
|
BEGIN
|
| 55 |
|
|
|
| 56 |
|
|
CASE CHARACTER'('A') IS
|
| 57 |
|
|
WHEN ASCII.NUL .. 'A' => NULL ;
|
| 58 |
|
|
WHEN 'B' => FAILED( "WRONG ALTERN. A2" );
|
| 59 |
|
|
WHEN 'P' => FAILED( "WRONG ALTERN. A3" );
|
| 60 |
|
|
WHEN 'Y' => FAILED( "WRONG ALTERN. A4" );
|
| 61 |
|
|
WHEN 'Z' .. ASCII.DEL => FAILED( "WRONG ALTERN. A5" );
|
| 62 |
|
|
WHEN OTHERS => FAILED( "WRONG ALTERN. A6" );
|
| 63 |
|
|
END CASE;
|
| 64 |
|
|
|
| 65 |
|
|
CASE STATCON IS
|
| 66 |
|
|
WHEN ASCII.NUL .. 'A' => FAILED( "WRONG ALTERN. B1" );
|
| 67 |
|
|
WHEN 'B' => NULL ;
|
| 68 |
|
|
WHEN 'P' => FAILED( "WRONG ALTERN. B3" );
|
| 69 |
|
|
WHEN 'Y' => FAILED( "WRONG ALTERN. B4" );
|
| 70 |
|
|
WHEN 'Z' .. ASCII.DEL => FAILED( "WRONG ALTERN. B5" );
|
| 71 |
|
|
WHEN OTHERS => FAILED( "WRONG ALTERN. B6" );
|
| 72 |
|
|
END CASE;
|
| 73 |
|
|
|
| 74 |
|
|
CASE STATVAR IS
|
| 75 |
|
|
WHEN ASCII.NUL .. 'A' => FAILED( "WRONG ALTERN. C1" );
|
| 76 |
|
|
WHEN 'B' => FAILED( "WRONG ALTERN. C2" );
|
| 77 |
|
|
WHEN 'P' => FAILED( "WRONG ALTERN. C3" );
|
| 78 |
|
|
WHEN 'Y' => FAILED( "WRONG ALTERN. C4" );
|
| 79 |
|
|
WHEN 'Z' .. ASCII.DEL => FAILED( "WRONG ALTERN. C5" );
|
| 80 |
|
|
WHEN OTHERS => NULL ;
|
| 81 |
|
|
END CASE;
|
| 82 |
|
|
|
| 83 |
|
|
CASE DYNCON IS
|
| 84 |
|
|
WHEN ASCII.NUL .. 'A' => FAILED( "WRONG ALTERN. D1" );
|
| 85 |
|
|
WHEN 'B' => FAILED( "WRONG ALTERN. D2" );
|
| 86 |
|
|
WHEN 'P' => FAILED( "WRONG ALTERN. D3" );
|
| 87 |
|
|
WHEN 'Y' => NULL ;
|
| 88 |
|
|
WHEN 'Z' .. ASCII.DEL => FAILED( "WRONG ALTERN. D5" );
|
| 89 |
|
|
WHEN OTHERS => FAILED( "WRONG ALTERN. D6" );
|
| 90 |
|
|
END CASE;
|
| 91 |
|
|
|
| 92 |
|
|
CASE DYNVAR IS
|
| 93 |
|
|
WHEN ASCII.NUL .. 'A' => FAILED( "WRONG ALTERN. E1" );
|
| 94 |
|
|
WHEN 'B' => FAILED( "WRONG ALTERN. E2" );
|
| 95 |
|
|
WHEN 'P' => FAILED( "WRONG ALTERN. E3" );
|
| 96 |
|
|
WHEN 'Y' => FAILED( "WRONG ALTERN. E4" );
|
| 97 |
|
|
WHEN 'Z' .. ASCII.DEL => NULL ;
|
| 98 |
|
|
WHEN OTHERS => FAILED( "WRONG ALTERN. E6" );
|
| 99 |
|
|
END CASE;
|
| 100 |
|
|
|
| 101 |
|
|
END ;
|
| 102 |
|
|
|
| 103 |
|
|
|
| 104 |
|
|
DECLARE
|
| 105 |
|
|
|
| 106 |
|
|
NUMBER : CONSTANT := -100 ;
|
| 107 |
|
|
LITEXPR : CONSTANT := 0 * NUMBER + 16 ;
|
| 108 |
|
|
STATCON : CONSTANT INTEGER := +100 ;
|
| 109 |
|
|
DYNVAR : INTEGER := IDENT_INT( 102 ) ;
|
| 110 |
|
|
DYNCON : CONSTANT INTEGER := IDENT_INT( 17 ) ;
|
| 111 |
|
|
|
| 112 |
|
|
BEGIN
|
| 113 |
|
|
|
| 114 |
|
|
CASE INTEGER'(-102) IS
|
| 115 |
|
|
WHEN INTEGER'FIRST..-101 => NULL ;
|
| 116 |
|
|
WHEN -100 => FAILED("WRONG ALTERN. F2");
|
| 117 |
|
|
WHEN 17 => FAILED("WRONG ALTERN. F2");
|
| 118 |
|
|
WHEN 100 => FAILED("WRONG ALTERN. F4");
|
| 119 |
|
|
WHEN 101..INTEGER'LAST => FAILED("WRONG ALTERN. F5");
|
| 120 |
|
|
WHEN OTHERS => FAILED("WRONG ALTERN. F6");
|
| 121 |
|
|
END CASE;
|
| 122 |
|
|
|
| 123 |
|
|
CASE IDENT_INT(NUMBER) IS
|
| 124 |
|
|
WHEN INTEGER'FIRST..-101 => FAILED("WRONG ALTERN. G1");
|
| 125 |
|
|
WHEN -100 => NULL ;
|
| 126 |
|
|
WHEN 17 => FAILED("WRONG ALTERN. G3");
|
| 127 |
|
|
WHEN 100 => FAILED("WRONG ALTERN. G4");
|
| 128 |
|
|
WHEN 101..INTEGER'LAST => FAILED("WRONG ALTERN. G5");
|
| 129 |
|
|
WHEN OTHERS => FAILED("WRONG ALTERN. G6");
|
| 130 |
|
|
END CASE;
|
| 131 |
|
|
|
| 132 |
|
|
CASE IDENT_INT(LITEXPR) IS
|
| 133 |
|
|
WHEN INTEGER'FIRST..-101 => FAILED("WRONG ALTERN. H1");
|
| 134 |
|
|
WHEN -100 => FAILED("WRONG ALTERN. H2");
|
| 135 |
|
|
WHEN 17 => FAILED("WRONG ALTERN. H3");
|
| 136 |
|
|
WHEN 100 => FAILED("WRONG ALTERN. H4");
|
| 137 |
|
|
WHEN 101..INTEGER'LAST => FAILED("WRONG ALTERN. H5");
|
| 138 |
|
|
WHEN OTHERS => NULL ;
|
| 139 |
|
|
END CASE;
|
| 140 |
|
|
|
| 141 |
|
|
CASE STATCON IS
|
| 142 |
|
|
WHEN INTEGER'FIRST..-101 => FAILED("WRONG ALTERN. I1");
|
| 143 |
|
|
WHEN -100 => FAILED("WRONG ALTERN. I2");
|
| 144 |
|
|
WHEN 17 => FAILED("WRONG ALTERN. I3");
|
| 145 |
|
|
WHEN 100 => NULL ;
|
| 146 |
|
|
WHEN 101..INTEGER'LAST => FAILED("WRONG ALTERN. I5");
|
| 147 |
|
|
WHEN OTHERS => FAILED("WRONG ALTERN. I6");
|
| 148 |
|
|
END CASE;
|
| 149 |
|
|
|
| 150 |
|
|
CASE DYNVAR IS
|
| 151 |
|
|
WHEN INTEGER'FIRST..-101 => FAILED("WRONG ALTERN. J1");
|
| 152 |
|
|
WHEN -100 => FAILED("WRONG ALTERN. J2");
|
| 153 |
|
|
WHEN 17 => FAILED("WRONG ALTERN. J3");
|
| 154 |
|
|
WHEN 100 => FAILED("WRONG ALTERN. J4");
|
| 155 |
|
|
WHEN 101..INTEGER'LAST => NULL ;
|
| 156 |
|
|
WHEN OTHERS => FAILED("WRONG ALTERN. J6");
|
| 157 |
|
|
END CASE;
|
| 158 |
|
|
|
| 159 |
|
|
CASE DYNCON IS
|
| 160 |
|
|
WHEN INTEGER'FIRST..-101 => FAILED("WRONG ALTERN. K1");
|
| 161 |
|
|
WHEN -100 => FAILED("WRONG ALTERN. K2");
|
| 162 |
|
|
WHEN 17 => NULL ;
|
| 163 |
|
|
WHEN 100 => FAILED("WRONG ALTERN. K4");
|
| 164 |
|
|
WHEN 101..INTEGER'LAST => FAILED("WRONG ALTERN. K5");
|
| 165 |
|
|
WHEN OTHERS => FAILED("WRONG ALTERN. K6");
|
| 166 |
|
|
END CASE;
|
| 167 |
|
|
END ;
|
| 168 |
|
|
|
| 169 |
|
|
|
| 170 |
|
|
RESULT ;
|
| 171 |
|
|
|
| 172 |
|
|
|
| 173 |
|
|
END C54A42A ;
|
