| -- 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 ; |