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-- CE2201E.DEP
-- 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 WHETHER READ, WRITE, AND END_OF_FILE ARE SUPPORTED FOR
-- SEQUENTIAL FILES WITH VARIANT RECORDS WITH NON-DEFAULT
-- DISCRIMINANTS.
-- IF I/O IS NOT SUPPORTED, THEN CREATE AND OPEN CAN RAISE USE_ERROR
-- OR NAME_ERROR. SEE (AI-00332).
-- APPLICABILITY CRITERIA:
-- THIS TEST IS NON-APPLICABLE IF THE INSTANTIATION OF
-- SEQUENTIAL_IO WITH VARIANT RECORDS HAVING NO DEFAULT
-- DISCRIMINANT VALUES IS REJECTED.
-- HISTORY:
-- JBG 1/6/83
-- JBG 5/2/83
-- TBN 11/18/85 RENAMED FROM CE2201E.DEP AND MODIFIED COMMENTS.
-- SPLIT DEFAULT DISCRIMINANT CASE INTO
-- CE2201G.ADA.
-- TBN 11/04/86 REVISED TEST TO OUTPUT A NON_APPLICABLE
-- RESULT WHEN FILES ARE NOT SUPPORTED.
-- THS 03/30/90 RENAMED FROM EE2201E.ADA.
WITH REPORT; USE REPORT;
WITH SEQUENTIAL_IO;
PROCEDURE CE2201E IS
INCOMPLETE : EXCEPTION;
BEGIN
TEST ("CE2201E", "CHECK WHETHER READ, WRITE, AND END_OF_FILE " &
"ARE SUPPORTED FOR SEQUENTIAL FILES WITH " &
"UNCONSTRAINED VARIANT RECORD TYPES WITH " &
"NON-DEFAULT DISCRIMINANTS.");
DECLARE
TYPE VAR_REC (DISCR : BOOLEAN) 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); -- N/A => ERROR.
USE SEQ_VAR_REC;
FILE_VAR_REC : FILE_TYPE;
ITEM_TRUE : VAR_REC(TRUE);
ITEM_FALSE : VAR_REC(FALSE);
BEGIN
BEGIN
CREATE (FILE_VAR_REC);
EXCEPTION
WHEN USE_ERROR =>
NOT_APPLICABLE ("USE_ERROR RAISED; SEQUENTIAL " &
"CREATE");
RAISE INCOMPLETE;
WHEN NAME_ERROR =>
NOT_APPLICABLE ("NAME_ERROR RAISED; SEQUENTIAL " &
"CREATE");
RAISE INCOMPLETE;
WHEN OTHERS =>
FAILED ("UNEXPECTED EXCEPTION RAISED; SEQUENTIAL " &
"CREATE");
RAISE INCOMPLETE;
END;
BEGIN
WRITE (FILE_VAR_REC, (TRUE, -6));
WRITE (FILE_VAR_REC, (FALSE, (1..20 => 'C')));
EXCEPTION
WHEN OTHERS =>
FAILED ("WRITE FOR RECORD WITH DISCRIMINANT");
END;
BEGIN
RESET (FILE_VAR_REC,IN_FILE);
EXCEPTION
WHEN USE_ERROR =>
NOT_APPLICABLE ("USE_ERROR FOR RESET");
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(-6)) 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_FALSE);
IF ITEM_FALSE /= (FALSE, (1..IDENT_INT(20) => 'C')) 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;
EXCEPTION
WHEN OTHERS =>
FAILED ("READ FOR VARIANT RECORD");
END;
CLOSE (FILE_VAR_REC);
END;
RESULT;
EXCEPTION
WHEN INCOMPLETE =>
RESULT;
END CE2201E;
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