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1 720 jeremybenn
-- CE2103A.TST
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--                             Grant of Unlimited Rights
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--
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--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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--     unlimited rights in the software and documentation contained herein.
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--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
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--     this public release, the Government intends to confer upon all
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--     recipients unlimited rights  equal to those held by the Government.
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--     These rights include rights to use, duplicate, release or disclose the
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--     released technical data and computer software in whole or in part, in
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--     any manner and for any purpose whatsoever, and to have or permit others
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--     to do so.
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--
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--                                    DISCLAIMER
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--
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--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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--     PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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-- OBJECTIVE:
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--     CHECK THAT IS_OPEN RETURNS THE PROPER VALUES FOR FILES OF
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--     TYPE SEQUENTIAL_IO.
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--          A) UNOPENED FILES
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-- HISTORY:
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--     DLD 08/10/82
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--     SPS 11/09/82
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--     JBG 03/24/83
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--     EG  06/03/85
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--     SPW 08/10/87  SPLIT CASE FOR OPENED FILES INTO CE2103C.ADA.
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--     PWB 03/07/97  ADDED CHECK FOR FILE SUPPORT.
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WITH REPORT; USE REPORT;
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WITH SEQUENTIAL_IO;
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PROCEDURE CE2103A IS
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     PACKAGE SEQ_IO IS NEW SEQUENTIAL_IO(CHARACTER);
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          USE SEQ_IO;
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     TEST_FILE_ZERO : SEQ_IO.FILE_TYPE;
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     TEST_FILE_ONE : SEQ_IO.FILE_TYPE;
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     TEST_FILE_TWO : SEQ_IO.FILE_TYPE;
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     TEST_FILE_THREE : SEQ_IO.FILE_TYPE;
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     TEST_FILE_FOUR : SEQ_IO.FILE_TYPE;
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     VAL : BOOLEAN;
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     INCOMPLETE : EXCEPTION;
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BEGIN
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     TEST ("CE2103A", "CHECK THAT IS_OPEN RETURNS THE PROPER " &
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                      "VALUES FOR UNOPENED FILES OF TYPE " &
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                      "SEQUENTIAL_IO");
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-- FIRST TEST WHETHER IMPLEMENTATION SUPPORTS SEQUENTIAL FILES AT ALL
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     BEGIN
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          SEQ_IO.CREATE ( TEST_FILE_ZERO,
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                          SEQ_IO.OUT_FILE,
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                          REPORT.LEGAL_FILE_NAME );
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     EXCEPTION
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          WHEN SEQ_IO.USE_ERROR | SEQ_IO.NAME_ERROR =>
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               REPORT.NOT_APPLICABLE
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                    ( "SEQUENTIAL FILES NOT SUPPORTED -- CREATE OUT-FILE" );
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               RAISE INCOMPLETE;
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     END;
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     SEQ_IO.DELETE ( TEST_FILE_ZERO );
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-- WHEN FILE IS DECLARED BUT NOT OPEN
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     BEGIN
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          VAL := TRUE;
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          VAL := IS_OPEN (TEST_FILE_ONE);
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          IF VAL = TRUE THEN
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               FAILED ("FILE NOT OPEN BUT IS_OPEN RETURNS TRUE");
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          END IF;
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     END;
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-- FOLLOWING UNSUCCESSFUL CREATE
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     BEGIN
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          VAL := TRUE;
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          CREATE (TEST_FILE_TWO, OUT_FILE,
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                  "$ILLEGAL_EXTERNAL_FILE_NAME1");
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          FAILED ("NAME_ERROR NOT RAISED - UNSUCCESSFUL CREATE");
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     EXCEPTION
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          WHEN NAME_ERROR =>
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               VAL := IS_OPEN (TEST_FILE_TWO);
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               IF VAL = TRUE THEN
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                    FAILED ("IS_OPEN GIVES TRUE AFTER AN " &
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                            "UNSUCCESSFUL CREATE");
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               END IF;
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     END;
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-- FOLLOWING UNSUCCESSFUL OPEN
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     BEGIN
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          VAL := TRUE;
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          OPEN (TEST_FILE_THREE, IN_FILE,
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                "$ILLEGAL_EXTERNAL_FILE_NAME1");
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          FAILED ("NAME_ERROR NOT RAISED - UNSUCCESSFUL OPEN");
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     EXCEPTION
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          WHEN NAME_ERROR =>
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               VAL := IS_OPEN (TEST_FILE_THREE);
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               IF VAL = TRUE THEN
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                    FAILED ("IS_OPEN GIVES TRUE - UNSUCCESSFUL OPEN");
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               END IF;
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     END;
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-- FOLLOWING CLOSING FILE THAT IS NOT OPEN
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     BEGIN
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          VAL := TRUE;
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          CLOSE (TEST_FILE_FOUR);
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          FAILED ("STATUS ERROR NOT RAISED WHEN " &
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                  "ATTEMPTING TO CLOSE AN UNOPENED FILE");
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     EXCEPTION
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          WHEN STATUS_ERROR =>
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               VAL := IS_OPEN (TEST_FILE_FOUR);
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               IF VAL = TRUE THEN
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                    FAILED ("IS_OPEN GIVES TRUE AFTER ATTEMPTING " &
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                            "TO CLOSE AN UNOPENED FILE");
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               END IF;
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     END;
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     RESULT;
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EXCEPTION
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     WHEN INCOMPLETE =>
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          NULL;
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          REPORT.RESULT;
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     WHEN OTHERS =>
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          REPORT.FAILED ( "UNEXPECTED EXCEPTION" );
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          REPORT.RESULT;
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END CE2103A;

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