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-- CE2206A.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 READ FOR A SEQUENTIAL FILE RAISES END_ERROR WHEN

--     THERE ARE NO MORE ELEMENTS THAT CAN BE READ FROM THE GIVEN

--     FILE.  ALSO CHECK THAT END_OF_FILE CORRECTLY DETECTS THE END

--     OF A SEQUENTIAL FILE.

-- APPLICABILITY CRITERIA:

--     THIS TEST IS ONLY APPLICABLE TO IMPLEMENTATIONS WHICH SUPPORT

--     SEQUENTIAL FILES.

-- HISTORY:

--     JLH 08/22/88  CREATED ORIGINAL TEST.

WITH REPORT; USE REPORT;

WITH SEQUENTIAL_IO;

PROCEDURE CE2206A IS

     PACKAGE SEQ_IO IS NEW SEQUENTIAL_IO (CHARACTER);

     USE SEQ_IO;

     FILE : FILE_TYPE;

     ITEM : CHARACTER;

     INCOMPLETE : EXCEPTION;

BEGIN

     TEST ("CE2206A", "CHECK THAT READ FOR A SEQUENTIAL FILE RAISES " &

                      "END_ERROR WHEN THERE ARE NO MORE ELEMENTS " &

                      "THAT CAN BE READ FROM THE GIVEN FILE.  ALSO " &

                      "CHECK THAT END_OF_FILE CORRECTLY DETECTS THE " &

                      "END OF A SEQUENTIAL FILE");

     BEGIN

          BEGIN

               CREATE (FILE, 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;

               WHEN OTHERS =>

                    FAILED ("UNEXPECTED EXCEPTION RAISED ON CREATE");

                    RAISE INCOMPLETE;

          END;

          WRITE (FILE, 'A');

          WRITE (FILE, 'B');

          CLOSE (FILE);

          BEGIN

               OPEN (FILE, IN_FILE, LEGAL_FILE_NAME);

          EXCEPTION

               WHEN USE_ERROR =>

                    NOT_APPLICABLE ("USE_ERROR RAISED ON OPEN WITH " &

                                    "MODE IN_FILE");

                    RAISE INCOMPLETE;

               WHEN OTHERS =>

                    FAILED ("UNEXPECTED EXCEPTION RAISED ON OPEN");

                    RAISE INCOMPLETE;

          END;

          READ (FILE, ITEM);

          IF ITEM /= 'A' THEN

               FAILED ("INCORRECT VALUE READ");

          END IF;

          IF END_OF_FILE (FILE) THEN

               FAILED ("END_OF_FILE NOT DETECTED CORRECTLY - 1");

          END IF;

          READ (FILE, ITEM);

          IF NOT END_OF_FILE (FILE) THEN

               FAILED ("END_OF_FILE NOT DETECTED CORRECTLY - 2");

          END IF;

          BEGIN

               READ (FILE, ITEM);

               FAILED ("END_ERROR NOT RAISED FOR READ");

          EXCEPTION

               WHEN END_ERROR =>

                    NULL;

               WHEN OTHERS =>

                    FAILED ("UNEXPECTED EXCEPTION RAISED ON READ");

          END;

          BEGIN

               DELETE (FILE);

          EXCEPTION

               WHEN USE_ERROR =>

                    NULL;

          END;

     EXCEPTION

          WHEN INCOMPLETE =>

               NULL;

     END;

     RESULT;

END CE2206A;