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-- CE2208B.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 DATA CAN BE OVERWRITTEN IN THE SEQUENTIAL FILE AND THE
-- CORRECT VALUES CAN LATER BE READ. ALSO CHECK THAT OVERWRITING
-- TRUNCATES THE FILE TO THE LAST ELEMENT WRITTEN.
-- APPLICABILITY CRITERIA:
-- THIS TEST IS APPLICABLE ONLY TO IMPLEMENTATIONS WHICH SUPPORT
-- THE CREATING AND OPENING OF SEQUENTIAL FILES.
-- HISTORY:
-- TBN 09/30/86 CREATED ORIGINAL TEST.
-- GMT 07/24/87 ADDED CHECKS FOR USE_ERROR AND REMOVED SOME CODE.
-- BCB 10/03/90 CHANGED CODE TO CHECK THAT OVERWRITING TRUNCATES
-- INSTEAD OF WHETHER IT TRUNCATES.
WITH SEQUENTIAL_IO;
WITH REPORT; USE REPORT;
PROCEDURE CE2208B IS
PACKAGE SEQ_IO IS NEW SEQUENTIAL_IO (INTEGER);
USE SEQ_IO;
FILE1 : FILE_TYPE;
INCOMPLETE : EXCEPTION;
BEGIN
TEST ("CE2208B",
"CHECK THAT DATA CAN BE OVERWRITTEN IN THE SEQUENTIAL " &
"FILE AND THE CORRECT VALUES CAN LATER BE READ. ALSO " &
"CHECK THAT OVERWRITING TRUNCATES THE FILE." );
-- INITIALIZE TEST FILE
BEGIN
CREATE (FILE1, OUT_FILE, LEGAL_FILE_NAME);
EXCEPTION
WHEN NAME_ERROR =>
NOT_APPLICABLE ("NAME_ERROR RAISED DURING CREATE");
RAISE INCOMPLETE;
WHEN USE_ERROR =>
NOT_APPLICABLE ("USE_ERROR RAISED DURING CREATE");
RAISE INCOMPLETE;
WHEN OTHERS =>
FAILED ("UNKNOWN EXCEPTION RAISED DURING CREATE");
RAISE INCOMPLETE;
END;
BEGIN
FOR I IN 1 .. 25 LOOP
WRITE (FILE1, I);
END LOOP;
EXCEPTION
WHEN OTHERS =>
FAILED ("UNEXPECTED EXCEPTION RAISED DURING WRITE");
RAISE INCOMPLETE;
END;
BEGIN
CLOSE (FILE1);
EXCEPTION
WHEN OTHERS =>
FAILED ("UNEXPECTED EXCEPTION RAISED DURING CLOSE");
RAISE INCOMPLETE;
END;
BEGIN
OPEN (FILE1, OUT_FILE, LEGAL_FILE_NAME);
EXCEPTION
WHEN USE_ERROR =>
NOT_APPLICABLE ( "OPEN WITH OUT_FILE MODE NOT " &
"SUPPORTED FOR SEQUENTIAL FILES" );
RAISE INCOMPLETE;
WHEN OTHERS =>
FAILED ("EXCEPTION RAISED DURING OPEN");
RAISE INCOMPLETE;
END;
BEGIN
FOR I IN 26 .. 36 LOOP
WRITE (FILE1, I);
END LOOP;
EXCEPTION
WHEN OTHERS =>
FAILED ("UNEXPECTED EXCEPTION RAISED DURING OVERWRITE");
RAISE INCOMPLETE;
END;
BEGIN
CLOSE (FILE1);
EXCEPTION
WHEN OTHERS =>
FAILED ("UNEXPECTED EXCEPTION RAISED DURING 2ND CLOSE");
RAISE INCOMPLETE;
END;
BEGIN
OPEN (FILE1, IN_FILE, LEGAL_FILE_NAME);
EXCEPTION
WHEN USE_ERROR =>
NOT_APPLICABLE ( "OPEN WITH IN_FILE MODE NOT " &
"SUPPORTED FOR SEQUENTIAL FILES" );
RAISE INCOMPLETE;
WHEN OTHERS =>
FAILED ("EXCEPTION RAISED DURING SECOND OPEN");
RAISE INCOMPLETE;
END;
DECLARE
END_REACHED : BOOLEAN := FALSE;
COUNT : INTEGER := 26;
NUM : INTEGER;
BEGIN
WHILE COUNT <= 36 AND NOT END_REACHED LOOP
BEGIN
READ (FILE1, NUM);
IF NUM /= COUNT THEN
FAILED ("INCORRECT RESULTS READ FROM FILE " &
INTEGER'IMAGE (NUM));
END IF;
COUNT := COUNT + 1;
EXCEPTION
WHEN END_ERROR =>
END_REACHED := TRUE;
WHEN OTHERS =>
FAILED ("UNEXPECTED EXCEPTION RAISED DURING " &
"READING - 1");
RAISE INCOMPLETE;
END;
END LOOP;
IF COUNT <= 36 THEN
FAILED ("FILE WAS INCOMPLETE");
RAISE INCOMPLETE;
ELSE
BEGIN
READ (FILE1, NUM);
FAILED ("END_ERROR NOT RAISED BY ATTEMPT TO READ");
EXCEPTION
WHEN END_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("UNEXPECTED EXCEPTION RAISED " &
"DURING READING - 2");
RAISE INCOMPLETE;
END;
END IF;
END;
BEGIN
DELETE (FILE1);
EXCEPTION
WHEN USE_ERROR =>
NULL;
END;
RESULT;
EXCEPTION
WHEN INCOMPLETE =>
RESULT;
END CE2208B;
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