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-- CE2102A.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 TO SEE THAT STATUS_ERROR IS RAISED WHEN PERFORMING ILLEGAL

--     OPERATIONS ON OPENED OR UNOPENED FILES OF TYPE SEQUENTIAL_IO.

--          A) OPENED FILES

-- APPLICABILITY CRITERIA:

--     THIS TEST IS APPLICABLE ONLY TO IMPLEMENTATIONS WHICH SUPPORT

--     CREATE WITH OUT_FILE MODE FOR SEQUENTIAL FILES.

-- HISTORY:

--     DLD 08/10/82

--     JBG 02/22/84

--     SPW 07/29/87  SPLIT CASE FOR UNOPENED FILES INTO CE2102L.ADA.

WITH REPORT; USE REPORT;

WITH SEQUENTIAL_IO;

PROCEDURE CE2102A IS

     PACKAGE SEQ_IO IS NEW SEQUENTIAL_IO(INTEGER);

     USE SEQ_IO;

     TEST_FILE_ONE : SEQ_IO.FILE_TYPE;

BEGIN

     TEST ("CE2102A", "CHECK THAT STATUS_ERROR IS RAISED WHEN " &

                      "PERFORMING ILLEGAL OPERATIONS ON OPENED FILES " &

                      "OF TYPE SEQUENTIAL_IO");

     BEGIN

          CREATE (TEST_FILE_ONE, OUT_FILE, LEGAL_FILE_NAME);

-- CHECK THAT OPEN STATEMENT RAISES EXCEPTION WHEN FILE IS ALREADY OPEN

          BEGIN

               OPEN (TEST_FILE_ONE, OUT_FILE, LEGAL_FILE_NAME);

               FAILED ("STATUS_ERROR NOT RAISED WHEN FILE IS " &

                       "ALREADY OPEN - 1");

          EXCEPTION

               WHEN STATUS_ERROR =>

                    NULL;

               WHEN OTHERS =>

                    FAILED ("WRONG EXCEPTION RAISED ON OPEN - 1");

          END;

          BEGIN

               OPEN (TEST_FILE_ONE, IN_FILE, LEGAL_FILE_NAME);

               FAILED ("STATUS_ERROR NOT RAISED WHEN FILE IS " &

                       "ALREADY OPEN - 2");

          EXCEPTION

               WHEN STATUS_ERROR =>

                    NULL;

               WHEN OTHERS =>

                    FAILED ("WRONG EXCEPTION RAISED ON OPEN - 2");

          END;

-- CHECK THAT CREATE STATEMENT RAISES EXCEPTION WHEN FILE

-- IS ALREADY OPEN

          BEGIN

               CREATE (TEST_FILE_ONE, IN_FILE, LEGAL_FILE_NAME);

               FAILED ("STATUS_ERROR NOT RAISED WHEN AN OPEN " &

                       "FILE IS USED IN A CREATE - 1");

          EXCEPTION

               WHEN STATUS_ERROR =>

                    NULL;

               WHEN OTHERS =>

                    FAILED ("WRONG EXCEPTION RAISED ON CREATE - 1");

          END;

          BEGIN

               CREATE (TEST_FILE_ONE, OUT_FILE, LEGAL_FILE_NAME);

               FAILED ("STATUS_ERROR NOT RAISED WHEN AN OPEN " &

                       "FILE IS USED IN A CREATE - 2");

          EXCEPTION

               WHEN STATUS_ERROR =>

                    NULL;

               WHEN OTHERS =>

                    FAILED ("WRONG EXCEPTION RAISED ON CREATE - 2");

          END;

--DELETE TEST FILE

          BEGIN

               DELETE (TEST_FILE_ONE);

          EXCEPTION

               WHEN USE_ERROR =>

                    COMMENT ("DELETION OF EXTERNAL FILE APPEARS NOT " &

                             "TO BE SUPPORTED");

               WHEN OTHERS =>

                    FAILED ("UNEXPECTED EXCEPTION RAISED " &

                            "FOR DELETE");

          END;

     EXCEPTION

          WHEN USE_ERROR =>

               NOT_APPLICABLE ("USE_ERROR RAISED FOR CREATE " &

                               "WITH OUT_FILE MODE");

          WHEN NAME_ERROR =>

               NOT_APPLICABLE ("NAME_ERROR RAISED FOR CREATE " &

                               "WITH OUT_FILE MODE");

          WHEN OTHERS =>

               FAILED ("OTHER EXCEPTION RAISED FOR CREATE");

     END;

     RESULT;

END CE2102A;