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-- CE3107B.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 TEXT_IO.

-- APPLICABILITY CRITERIA:

--     THIS TEST IS APPLICABLE ONLY TO IMPLEMENTATIONS WHICH SUPPORT

--     CREATION WITH OUT_FILE MODE FOR TEXT FILES.

-- HISTORY:

--     DWC 08/17/87  CREATED ORIGINAL TEST.

WITH REPORT; USE REPORT;

WITH TEXT_IO; USE TEXT_IO;

PROCEDURE CE3107B IS

     TEST_FILE_ONE : FILE_TYPE;

     TEST_FILE_TWO : FILE_TYPE;

     VAL : BOOLEAN;

     INCOMPLETE : EXCEPTION;

BEGIN

     TEST("CE3107B", "CHECK THAT IS_OPEN RETURNS THE " &

                     "PROPER VALUES FOR FILES OF TYPE TEXT_IO");

-- FOLLOWING A CREATE

     BEGIN

          VAL := FALSE;

          CREATE(TEST_FILE_ONE, OUT_FILE, LEGAL_FILE_NAME);

          VAL := IS_OPEN(TEST_FILE_ONE);

          IF VAL = FALSE THEN

               FAILED("IS_OPEN RETURNS FALSE AFTER CREATE");

          END IF;

     EXCEPTION

          WHEN USE_ERROR =>

               NOT_APPLICABLE ("USE_ERROR RAISED ON CREATE");

               RAISE INCOMPLETE;

          WHEN NAME_ERROR =>

               NOT_APPLICABLE ("NAME_ERROR RAISED ON CREATE");

               RAISE INCOMPLETE;

     END;

-- FOLLOWING CLOSE

     VAL := TRUE;

     IF IS_OPEN(TEST_FILE_ONE) = TRUE THEN

          CLOSE(TEST_FILE_ONE);

     END IF;

     VAL := IS_OPEN(TEST_FILE_ONE);

     IF VAL = TRUE THEN

          FAILED("IS_OPEN RETURNS TRUE AFTER CLOSE");

     END IF;

-- FOLLOWING OPEN

     BEGIN

          VAL := FALSE;

          BEGIN

               OPEN (TEST_FILE_TWO, IN_FILE, LEGAL_FILE_NAME);

          EXCEPTION

               WHEN USE_ERROR =>

                    IF IS_OPEN (TEST_FILE_TWO) /= FALSE THEN

                         FAILED ("FILE OPEN AFTER USE_ERROR " &

                                 "DURING OPEN");

                    END IF;

                    RAISE INCOMPLETE;

          END;

          VAL := IS_OPEN(TEST_FILE_TWO);

          IF VAL = FALSE THEN

               FAILED("IS_OPEN RETURNS FALSE AFTER OPEN");

          END IF;

-- AFTER RESET

          BEGIN

               VAL := FALSE;

               RESET(TEST_FILE_TWO);

               VAL := IS_OPEN(TEST_FILE_TWO);

               IF VAL = FALSE THEN

                    FAILED("IS_OPEN RETURNS FALSE AFTER RESET");

               END IF;

          EXCEPTION

               WHEN USE_ERROR =>

                    COMMENT("IMPLEMENTATION DOES NOT SUPPORT RESET");

          END;

     EXCEPTION

          WHEN INCOMPLETE =>

               NULL;

     END;

-- AFTER DELETE

     BEGIN

          VAL := TRUE;

          DELETE(TEST_FILE_TWO);

          VAL := IS_OPEN(TEST_FILE_TWO);

          IF VAL = TRUE THEN

               FAILED("IS_OPEN RETURNS TRUE AFTER DELETE");

          END IF;

     EXCEPTION

          WHEN USE_ERROR =>

               IF IS_OPEN (TEST_FILE_TWO) /= FALSE THEN

                    FAILED ("FILE OPEN AFTER USE_ERROR " &

                            "DURING DELETE");

               END IF;

     END;

     RESULT;

EXCEPTION

     WHEN INCOMPLETE =>

          RESULT;

END CE3107B;