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-- CE2401K.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 DIRECT FILE AND

--     THE CORRECT VALUES CAN LATER BE READ.

-- APPLICABILITY CRITERIA:

--     THIS TEST IS ONLY APPLICABLE TO IMPLEMENTATIONS WHICH SUPPORT

--     CREATION OF INOUT_FILE MODE AND OPENING OF OUT_FILE MODE FOR

--     DIRECT FILES.

-- HISTORY:

--     DWC 08/12/87  CREATED ORIGINAL TEST.

WITH REPORT; USE REPORT;

WITH DIRECT_IO;

PROCEDURE CE2401K IS

     END_SUBTEST: EXCEPTION;

BEGIN

     TEST ("CE2401K" , "CHECK THAT DATA CAN BE OVERWRITTEN IN " &

                       "THE DIRECT FILE AND THE CORRECT VALUES " &

                       "CAN LATER BE READ.");

     DECLARE

          PACKAGE DIR_IO IS NEW DIRECT_IO (INTEGER);

          USE DIR_IO;

          FILE : FILE_TYPE;

     BEGIN

          BEGIN

               CREATE (FILE, INOUT_FILE, LEGAL_FILE_NAME);

          EXCEPTION

               WHEN USE_ERROR | NAME_ERROR =>

                    NOT_APPLICABLE ("CREATE WITH INOUT_FILE MODE " &

                                    "NOT SUPPORTED");

                    RAISE END_SUBTEST;

               WHEN OTHERS =>

                    FAILED ("UNEXPECTED ERROR RAISED ON " &

                            "CREATE");

                    RAISE END_SUBTEST;

          END;

          DECLARE

               OUT_ITEM1 : INTEGER := 10;

               OUT_ITEM2 : INTEGER := 21;

               IN_ITEM   : INTEGER;

               ONE : POSITIVE_COUNT := 1;

               TWO : POSITIVE_COUNT := 2;

          BEGIN

               BEGIN

                    WRITE (FILE, OUT_ITEM1, ONE);

                    WRITE (FILE, OUT_ITEM2, TWO);

                    WRITE (FILE, OUT_ITEM2, ONE);

               EXCEPTION

                    WHEN OTHERS =>

                         FAILED ("EXCEPTION RAISED ON WRITE " &

                                 "IN INOUT_FILE MODE");

                         RAISE END_SUBTEST;

               END;

               BEGIN

                    READ (FILE, IN_ITEM, ONE);

                    IF OUT_ITEM2 /= IN_ITEM THEN

                         FAILED ("INCORRECT INTEGER VALUE READ - 1");

                         RAISE END_SUBTEST;

                    END IF;

               END;

               BEGIN

                    READ (FILE, IN_ITEM, TWO);

                    IF OUT_ITEM2 /= IN_ITEM THEN

                         FAILED ("INCORRECT INTEGER VALUE READ - 2");

                         RAISE END_SUBTEST;

                    END IF;

               END;

               CLOSE (FILE);

               BEGIN

                    OPEN (FILE, OUT_FILE, LEGAL_FILE_NAME);

               EXCEPTION

                    WHEN USE_ERROR =>

                         RAISE END_SUBTEST;

               END;

               BEGIN

                    WRITE (FILE, OUT_ITEM1, ONE);

                    WRITE (FILE, OUT_ITEM2, TWO);

                    WRITE (FILE, OUT_ITEM1, TWO);

               EXCEPTION

                    WHEN OTHERS =>

                         FAILED ("EXCEPTION RAISED ON WRITE " &

                                 "IN OUT_FILE MODE");

                         RAISE END_SUBTEST;

               END;

               BEGIN

                    RESET (FILE, IN_FILE);

               EXCEPTION

                    WHEN USE_ERROR =>

                         RAISE END_SUBTEST;

               END;

               BEGIN

                    READ (FILE, IN_ITEM, ONE);

                    IF OUT_ITEM1 /= IN_ITEM THEN

                         FAILED ("INCORRECT INTEGER VALUE READ - 3");

                         RAISE END_SUBTEST;

                    END IF;

               EXCEPTION

                    WHEN USE_ERROR =>

                         FAILED ("READ IN IN_FILE MODE - 1");

               END;

               BEGIN

                    READ (FILE, IN_ITEM, TWO);

                    IF OUT_ITEM1 /= IN_ITEM THEN

                         FAILED ("INCORRECT INTEGER VALUE READ - 4");

                         RAISE END_SUBTEST;

                    END IF;

               EXCEPTION

                    WHEN USE_ERROR =>

                         FAILED ("READ IN IN_FILE MODE - 2");

               END;

          END;

          BEGIN

               DELETE (FILE);

          EXCEPTION

               WHEN USE_ERROR =>

                    NULL;

          END;

     EXCEPTION

          WHEN END_SUBTEST =>

               NULL;

     END;

     RESULT;

END CE2401K;