| -- CE2201G.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. |
| --* |
| -- OBJECTIVE: |
| -- CHECK THAT READ, WRITE, AND END_OF_FILE ARE SUPPORTED |
| -- FOR SEQUENTIAL FILES WITH VARIANT RECORDS WITH DEFAULT |
| -- DISCRIMINANTS. |
| |
| -- APPLICABILITY CRITERIA: |
| -- THIS TEST IS APPLICABLE ONLY TO IMPLEMENTATIONS WHICH SUPPORT |
| -- SEQUENTIAL FILES. |
| |
| -- HISTORY: |
| -- TBN 05/15/86 |
| -- TBN 11/04/86 REVISED TEST TO OUTPUT A NOT_APPLICABLE |
| -- RESULT WHEN FILES ARE NOT SUPPORTED. |
| -- JLH 08/03/87 REMOVED DEPENDENCE OF RESET AND CREATED EXTERNAL |
| -- FILES RATHER THAN TEMPORARY FILES. |
| |
| WITH REPORT; USE REPORT; |
| WITH SEQUENTIAL_IO; |
| |
| PROCEDURE CE2201G IS |
| |
| BEGIN |
| |
| TEST ("CE2201G", "CHECK THAT READ, WRITE, AND END_OF_FILE " & |
| "ARE SUPPORTED FOR SEQUENTIAL FILES WITH " & |
| "UNCONSTRAINED VARIANT RECORD TYPES WITH " & |
| "DEFAULT DISCRIMINANTS."); |
| |
| DECLARE |
| TYPE VAR_REC (DISCR : BOOLEAN := TRUE) IS |
| RECORD |
| CASE DISCR IS |
| WHEN TRUE => |
| A : INTEGER; |
| WHEN FALSE => |
| B : STRING (1..20); |
| END CASE; |
| END RECORD; |
| |
| PACKAGE SEQ_VAR_REC IS NEW SEQUENTIAL_IO (VAR_REC); |
| USE SEQ_VAR_REC; |
| |
| FILE_VAR_REC : FILE_TYPE; |
| INCOMPLETE : EXCEPTION; |
| ITEM_TRUE : VAR_REC(TRUE); -- CONSTRAINED |
| ITEM : VAR_REC; -- UNCONSTRAINED |
| |
| BEGIN |
| BEGIN |
| CREATE (FILE_VAR_REC, OUT_FILE, LEGAL_FILE_NAME); |
| EXCEPTION |
| WHEN USE_ERROR | NAME_ERROR => |
| NOT_APPLICABLE ("CREATE OF SEQUENTIAL FILE WITH " & |
| "MODE OUT_FILE NOT SUPPORTED"); |
| RAISE INCOMPLETE; |
| END; |
| |
| WRITE (FILE_VAR_REC, (TRUE, -5)); |
| WRITE (FILE_VAR_REC, (FALSE, (1..20 => 'B'))); |
| CLOSE (FILE_VAR_REC); |
| |
| BEGIN |
| OPEN (FILE_VAR_REC, IN_FILE, LEGAL_FILE_NAME); |
| EXCEPTION |
| WHEN USE_ERROR => |
| NOT_APPLICABLE ("OPEN OF SEQUENTIAL FILE WITH " & |
| "MODE IN_FILE NOT SUPPORTED"); |
| RAISE INCOMPLETE; |
| END; |
| |
| IF END_OF_FILE (FILE_VAR_REC) THEN |
| FAILED ("WRONG END_OF_FILE VALUE FOR RECORD" & |
| "WITH DISCRIMINANT"); |
| END IF; |
| |
| BEGIN |
| READ (FILE_VAR_REC, ITEM_TRUE); |
| |
| IF ITEM_TRUE /= (TRUE, IDENT_INT(-5)) THEN |
| FAILED ("READ WRONG VALUE - 1"); |
| END IF; |
| |
| IF END_OF_FILE (FILE_VAR_REC) THEN |
| FAILED ("PREMATURE END OF FILE"); |
| END IF; |
| |
| READ (FILE_VAR_REC, ITEM); |
| |
| IF ITEM /= (FALSE, (1..IDENT_INT(20) => 'B')) THEN |
| FAILED ("READ WRONG VALUE - 2"); |
| END IF; |
| |
| IF NOT END_OF_FILE(FILE_VAR_REC) THEN |
| FAILED ("NOT AT END OF FILE"); |
| END IF; |
| |
| END; |
| |
| BEGIN |
| DELETE (FILE_VAR_REC); |
| EXCEPTION |
| WHEN USE_ERROR => |
| NULL; |
| END; |
| |
| EXCEPTION |
| WHEN INCOMPLETE => |
| NULL; |
| |
| END; |
| |
| RESULT; |
| |
| END CE2201G; |