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-- CE3107A.TST

--                             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 TEXT_IO.

-- HISTORY:

--     DLD 08/10/82

--     SPS 11/09/82

--     JBG 03/24/83

--     EG  05/29/85

--     DWC 08/17/87  SPLIT OUT CASES WHICH DEPEND ON A TEXT FILE

--                   BEING CREATED OR SUCCESSFULLY OPENED.  PLACED

--                   CASES INTO CE3107B.ADA.

--     PWB 03/07/97  ADDED CHECK FOR FILE SUPPORT.

WITH REPORT; USE REPORT;

WITH TEXT_IO; USE TEXT_IO;

PROCEDURE CE3107A IS

     TEST_FILE_ZERO : FILE_TYPE;

     TEST_FILE_ONE : FILE_TYPE;

     TEST_FILE_TWO : FILE_TYPE;

     TEST_FILE_THREE : FILE_TYPE;

     VAL : BOOLEAN;

     INCOMPLETE : EXCEPTION;

BEGIN

     TEST("CE3107A", "CHECK THAT IS_OPEN RETURNS THE PROPER " &

                     "VALUES FOR UNOPENED FILES OF TYPE TEXT_IO");

-- FIRST TEST WHETHER IMPLEMENTATION SUPPORTS TEXT FILES AT ALL

     BEGIN

          TEXT_IO.CREATE ( TEST_FILE_ZERO,

                          TEXT_IO.OUT_FILE,

                          REPORT.LEGAL_FILE_NAME );

     EXCEPTION

          WHEN TEXT_IO.USE_ERROR | TEXT_IO.NAME_ERROR =>

               REPORT.NOT_APPLICABLE

                    ( "TEXT FILES NOT SUPPORTED -- CREATE OUT-FILE" );

               RAISE INCOMPLETE;

     END;

     TEXT_IO.DELETE ( TEST_FILE_ZERO );

-- WHEN FILE IS DECLARED BUT NOT OPEN

     VAL := TRUE;

     VAL := IS_OPEN(TEST_FILE_ONE);

     IF VAL = TRUE THEN

          FAILED("FILE NOT OPEN BUT IS_OPEN RETURNS TRUE");

     END IF;

-- FOLLOWING UNSUCCESSFUL CREATE

     BEGIN

          VAL := TRUE;

          CREATE(TEST_FILE_TWO, OUT_FILE,

                 "$ILLEGAL_EXTERNAL_FILE_NAME1");

          FAILED("NAME_ERROR NOT RAISED - UNSUCCESSFUL CREATE");

     EXCEPTION

          WHEN NAME_ERROR =>

               VAL := IS_OPEN(TEST_FILE_TWO);

               IF VAL = TRUE THEN

                    FAILED("IS_OPEN GIVES TRUE AFTER AN " &

                           "UNSUCCESSFUL CREATE");

               END IF;

     END;

-- FOLLOWING UNSUCCESSFUL OPEN

     BEGIN

          VAL := FALSE;

          OPEN(TEST_FILE_TWO, IN_FILE, LEGAL_FILE_NAME);

          FAILED("NAME_ERROR NOT RAISED - " &

                 "UNSUCCESSFUL OPEN");

     EXCEPTION

          WHEN NAME_ERROR =>

               VAL := IS_OPEN(TEST_FILE_TWO);

               IF VAL = TRUE THEN

                    FAILED("IS_OPEN GIVES TRUE - " &

                           "UNSUCCESSFUL OPEN");

               END IF;

     END;

-- CLOSE FILE WHILE NOT OPEN

     BEGIN

          VAL := TRUE;

          CLOSE(TEST_FILE_THREE);  -- STATUS ERROR

          FAILED("STATUS_ERROR NOT RAISED - UNSUCCESSFUL CLOSE");

     EXCEPTION

          WHEN OTHERS =>

               VAL := IS_OPEN(TEST_FILE_THREE);

               IF VAL = TRUE THEN

                    FAILED("IS_OPEN GIVES TRUE - UNSUCCESSFUL  " &

                           "CLOSE");

               END IF;

     END;

     RESULT;

EXCEPTION

     WHEN INCOMPLETE =>

          NULL;

          REPORT.RESULT;

     WHEN OTHERS =>

          REPORT.FAILED ( "UNEXPECTED EXCEPTION" );

          REPORT.RESULT;

END CE3107A;