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-- 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;
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