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-- CE2103C.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 IS_OPEN RETURNS THE PROPER VALUES FOR FILES OF

--     TYPE SEQUENTIAL_IO.

--          B) OPENED FILES

-- APPLICABILITY CRITERIA:

--     THIS TEST IS APPLICABLE ONLY TO IMPLEMENTATIONS WHICH SUPPORT

--     SEQUENTIAL FILES.

-- HISTORY:

--     SPW 08/10/87  CREATED ORIGINAL TEST.

WITH REPORT; USE REPORT;

WITH SEQUENTIAL_IO;

PROCEDURE CE2103C IS

     PACKAGE SEQ_IO IS NEW SEQUENTIAL_IO(CHARACTER);

     USE SEQ_IO;

     INCOMPLETE : EXCEPTION;

     TEST_FILE_ONE : SEQ_IO.FILE_TYPE;

     VAL : BOOLEAN;

BEGIN

     TEST ("CE2103C", "CHECK THAT IS_OPEN RETURNS THE PROPER " &

                      "VALUES FOR FILES OF TYPE SEQUENTIAL_IO");

-- FOLLOWING A CREATE

     VAL := FALSE;

     BEGIN

          CREATE (TEST_FILE_ONE, OUT_FILE, LEGAL_FILE_NAME);

     EXCEPTION

          WHEN USE_ERROR =>

               NOT_APPLICABLE ("USE_ERROR RAISED ON CREATE WITH " &

                               "OUT_FILE MODE");

               RAISE INCOMPLETE;

          WHEN NAME_ERROR =>

               NOT_APPLICABLE ("NAME_ERROR RAISED ON CREATE WITH " &

                               "OUT_FILE MODE");

               RAISE INCOMPLETE;

     END;

     VAL := IS_OPEN (TEST_FILE_ONE);

     IF VAL = FALSE THEN

          FAILED ("IS_OPEN RETURNS FALSE AFTER CREATE");

     END IF;

-- FOLLOWING CLOSE

     VAL := TRUE;

     CLOSE (TEST_FILE_ONE);

     VAL := IS_OPEN (TEST_FILE_ONE);

     IF VAL = TRUE THEN

          FAILED ("IS_OPEN RETURNS TRUE AFTER CLOSE");

     END IF;

-- FOLLOWING OPEN

     VAL := FALSE;

     BEGIN

          OPEN (TEST_FILE_ONE, IN_FILE, LEGAL_FILE_NAME);

     EXCEPTION

          WHEN USE_ERROR =>

               IF IS_OPEN (TEST_FILE_ONE) /= FALSE THEN

                    FAILED ("IS_OPEN GIVES TRUE ON " &

                            "UNSUCESSFUL OPEN");

               END IF;

               RAISE INCOMPLETE;

     END;

     VAL := IS_OPEN (TEST_FILE_ONE);

     IF VAL = FALSE THEN

          FAILED ("IS_OPEN RETURNS FALSE AFTER OPEN");

     END IF;

-- AFTER RESET

     VAL := FALSE;

     BEGIN

          RESET (TEST_FILE_ONE);

     EXCEPTION

          WHEN USE_ERROR =>

               NULL;

     END;

     VAL := IS_OPEN (TEST_FILE_ONE);

     IF VAL = FALSE THEN

          FAILED ("IS_OPEN RETURNS FALSE AFTER RESET");

     END IF;

-- AFTER DELETE

     VAL := TRUE;

     BEGIN

          DELETE (TEST_FILE_ONE);

     EXCEPTION

          WHEN USE_ERROR =>

               IF IS_OPEN (TEST_FILE_ONE) /= FALSE THEN

                    FAILED ("IS_OPEN GIVES TRUE ON UNSUCCESSFUL " &

                            "DELETE");

               END IF;

               RAISE INCOMPLETE;

     END;

     VAL := IS_OPEN (TEST_FILE_ONE);

     IF VAL = TRUE THEN

          FAILED ("IS_OPEN RETURNS TRUE AFTER DELETE");

     END IF;

     RESULT;

EXCEPTION

     WHEN INCOMPLETE =>

          RESULT;

END CE2103C;