ce2204b.ada

来自「Mac OS X 10.4.9 for x86 Source Code gcc」· ADA 代码 · 共 119 行

-- CE2204B.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 AND END_OF_FILE ARE FORBIDDEN FOR SEQUENTIAL
--     FILES OF MODE OUT_FILE.

--          A) CHECK NON-TEMPORARY FILES.

-- APPLICABILITY CRITERIA:
--      THIS TEST IS APPLICABLE ONLY TO IMPLEMENTATIONS WHICH SUPPORT
--      THE CREATION OF SEQUENTIAL FILES.

-- HISTORY:
--     DLD 08/17/82
--     SPS 08/24/82
--     SPS 110/9/82
--     JBG 02/22/84  CHANGE TO .ADA TEST.
--     TBN 11/04/86  REVISED TEST TO OUTPUT A NON_APPLICABLE
--                   RESULT WHEN FILES ARE NOT SUPPORTED.
--     GMT 07/24/87  SPLIT THIS TEST BY MOVING THE CODE FOR CHECKING
--                   TEMPORARY FILES INTO CE2204D.ADA.

WITH REPORT; USE REPORT;
WITH SEQUENTIAL_IO;

PROCEDURE CE2204B IS
BEGIN
     TEST ("CE2204B", "FOR A NON-TEMPORARY SEQUENTIAL FILE, CHECK " &
                      "THAT MODE_ERROR IS RAISED BY READ AND " &
                      "END_OF_FILE WHEN THE MODE IS OUT_FILE");
     DECLARE
          PACKAGE SEQ_IO IS NEW SEQUENTIAL_IO (INTEGER);
          USE SEQ_IO;
          SEQ_FILE   : FILE_TYPE;
          X          : INTEGER;
          B          : BOOLEAN;
          INCOMPLETE : EXCEPTION;
     BEGIN
          BEGIN
               CREATE (SEQ_FILE, OUT_FILE, LEGAL_FILE_NAME);
          EXCEPTION
               WHEN USE_ERROR =>
                    NOT_APPLICABLE ("USE_ERROR RAISED ON CREATE - 1");
                    RAISE INCOMPLETE;
               WHEN NAME_ERROR =>
                    NOT_APPLICABLE ("NAME_ERROR RAISED ON CREATE - 2");
                    RAISE INCOMPLETE;
               WHEN OTHERS =>
                    FAILED ("WRONG EXCEPTION RAISED ON CREATE - 3");
                    RAISE INCOMPLETE;
          END;

          WRITE (SEQ_FILE, 5);

          BEGIN                    -- THIS IS ONLY
               RESET (SEQ_FILE);   -- AN ATTEMPT
          EXCEPTION                -- TO RESET,
               WHEN USE_ERROR =>   -- IF RESET
                    NULL;          -- N/A THEN
          END;                     -- TEST IS
                                   -- NOT AFFECTED.
          BEGIN
               READ (SEQ_FILE, X);
               FAILED ("MODE_ERROR NOT RAISED ON READ - 4");
          EXCEPTION
               WHEN MODE_ERROR =>
                    NULL;
               WHEN OTHERS =>
                    FAILED ("WRONG EXCEPTION RAISED ON READ - 5");
          END;

          BEGIN
               B := END_OF_FILE (SEQ_FILE);
               FAILED ("MODE_ERROR NOT RAISED ON END_OF_FILE - 6");
          EXCEPTION
               WHEN MODE_ERROR =>
                    NULL;
               WHEN OTHERS =>
                    FAILED ("WRONG EXCEPTION RAISED - END_OF_FILE - 7");
          END;

          BEGIN
               DELETE (SEQ_FILE);
          EXCEPTION
               WHEN  USE_ERROR =>
                     NULL;
          END;

     EXCEPTION
          WHEN INCOMPLETE =>
               NULL;
     END;

     RESULT;

END CE2204B;