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-- CE2405B.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 RAISES END_ERROR WHEN THE CURRENT READ POSITION
-- IS GREATER THAN THE END POSITION. ALSO CHECK THAT END_OF_FILE
-- CORRECTLY DETECTS THE END OF A DIRECT FILE.
-- APPLICABILITY CRITERIA:
-- THIS TEST IS APPLICABLE ONLY TO IMPLEMENTATIONS WHICH SUPPORT
-- CREATION WITH INOUT_FILE MODE AND OPENING OF IN_FILE MODE.
-- HISTORY:
-- SPS 09/28/82
-- JBG 02/22/84 CHANGE TO .ADA TEST
-- EG 05/16/85
-- GMT 08/03/87 ADDED CODE TO CHECK THAT END_OF_FILE WORKS, AND
-- ADDED CODE TO PREVENT SOME EXCEPTION PROPAGATION.
WITH REPORT; USE REPORT;
WITH DIRECT_IO;
PROCEDURE CE2405B IS
BEGIN
TEST ("CE2405B", "CHECK THAT END_ERROR IS RAISED BY READ AT THE " &
"END OF A FILE AND THAT END_OF_FILE CORRECTLY " &
"DETECTS THE END OF A DIRECT_IO FILE");
DECLARE
PACKAGE DIR IS NEW DIRECT_IO (CHARACTER);
USE DIR;
FT : FILE_TYPE;
CH : CHARACTER;
INCOMPLETE : EXCEPTION;
BEGIN
-- CREATE AND INITIALIZE FILE
BEGIN
CREATE (FT, INOUT_FILE, LEGAL_FILE_NAME);
EXCEPTION
WHEN USE_ERROR | NAME_ERROR =>
NOT_APPLICABLE ("USE_ERROR | NAME_ERROR WAS " &
"RAISED ON CREATE - 1");
RAISE INCOMPLETE;
WHEN OTHERS =>
FAILED ("WRONG EXCEPTION RAISED ON CREATE - 2");
RAISE INCOMPLETE;
END;
BEGIN
WRITE (FT, 'C');
WRITE (FT, 'X');
-- BEGIN TEST
IF NOT END_OF_FILE (FT) THEN
FAILED ("END_OF_FILE RETURNED INCORRECT " &
"BOOLEAN VALUE - 3");
END IF;
BEGIN
READ (FT, CH);
FAILED ("END_ERROR NOT RAISED ON READ - 4");
EXCEPTION
WHEN END_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("WRONG EXCEPTION RAISED ON READ - 5");
END;
WRITE (FT,'E');
BEGIN
READ (FT, CH);
FAILED ("END_ERROR NOT RAISED ON READ - 6");
EXCEPTION
WHEN END_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("WRONG EXCEPTION RAISED ON READ - 7");
END;
END;
CLOSE (FT);
BEGIN
OPEN (FT, IN_FILE, LEGAL_FILE_NAME);
EXCEPTION
WHEN USE_ERROR =>
NOT_APPLICABLE ("USE_ERROR RAISED ON OPEN - 8");
RAISE INCOMPLETE;
WHEN OTHERS =>
FAILED ("WRONG EXCEPTION RAISED ON OPEN - 9");
RAISE INCOMPLETE;
END;
DECLARE
COUNT_NBR_OF_READS : NATURAL := 0;
EXPECTED_COUNT : CONSTANT := 3;
BEGIN
LOOP
IF END_OF_FILE (FT) THEN
EXIT;
ELSE
READ (FT, CH);
COUNT_NBR_OF_READS := COUNT_NBR_OF_READS + 1;
END IF;
END LOOP;
IF COUNT_NBR_OF_READS /= EXPECTED_COUNT THEN
FAILED ("THE BAD VALUE FOR COUNT_NBR_OF_READS " &
"IS " &
NATURAL'IMAGE (COUNT_NBR_OF_READS) );
END IF;
END;
BEGIN
DELETE (FT);
EXCEPTION
WHEN USE_ERROR =>
NULL;
END;
EXCEPTION
WHEN INCOMPLETE =>
NULL;
END;
RESULT;
END CE2405B;
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