| -- 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 ; |