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+-- CE2401L.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 REWRITING AN ELEMENT DOES NOT CHANGE THE SIZE OF
+-- THE FILE.
+
+-- APPLICABILITY CRITERIA:
+-- THIS TEST IS ONLY APPLICABLE TO IMPLEMENTATIONS WHICH SUPPORT
+-- CREATE WITH INOUT_FILE MODE FOR DIRECT FILES.
+
+-- HISTORY:
+-- DWC 08/12/87 CREATED ORIGINAL TEST.
+
+WITH REPORT; USE REPORT;
+WITH DIRECT_IO;
+
+PROCEDURE CE2401L IS
+ END_SUBTEST: EXCEPTION;
+BEGIN
+
+ TEST ("CE2401L" , "CHECK THAT REWRITING AN ELEMENT DOES NOT " &
+ "CHANGE THE SIZE OF THE FILE");
+
+ DECLARE
+ PACKAGE DIR_IO IS NEW DIRECT_IO (INTEGER);
+ USE DIR_IO;
+ FILE : FILE_TYPE;
+ BEGIN
+ BEGIN
+ CREATE (FILE, INOUT_FILE, LEGAL_FILE_NAME);
+ EXCEPTION
+ WHEN USE_ERROR | NAME_ERROR =>
+ NOT_APPLICABLE ("CREATE WITH INOUT_FILE MODE " &
+ "NOT SUPPORTED");
+ RAISE END_SUBTEST;
+ WHEN OTHERS =>
+ FAILED ("UNEXPECTED ERROR RAISED ON " &
+ "CREATE");
+ RAISE END_SUBTEST;
+ END;
+
+ DECLARE
+ OUT_ITEM1 : INTEGER := 10;
+ OUT_ITEM2 : INTEGER := 21;
+ OUT_ITEM4 : INTEGER := 43;
+ IN_ITEM : INTEGER;
+ ONE : POSITIVE_COUNT := 1;
+ TWO : POSITIVE_COUNT := 2;
+ FOUR : POSITIVE_COUNT := 4;
+ OLD_FILE_SIZE : POSITIVE_COUNT;
+ BEGIN
+ BEGIN
+ WRITE (FILE, OUT_ITEM1, ONE);
+ WRITE (FILE, OUT_ITEM4, FOUR);
+ EXCEPTION
+ WHEN OTHERS =>
+ FAILED ("EXCEPTION RAISED ON WRITE " &
+ "IN INOUT_FILE MODE");
+ RAISE END_SUBTEST;
+ END;
+
+ OLD_FILE_SIZE := SIZE (FILE);
+
+ WRITE (FILE, OUT_ITEM1, ONE);
+ WRITE (FILE, OUT_ITEM4, FOUR);
+
+ IF OLD_FILE_SIZE /= SIZE (FILE) THEN
+ FAILED ("FILE SIZE CHANGED DURING REWRITE - 1");
+ RAISE END_SUBTEST;
+ END IF;
+
+ WRITE (FILE, OUT_ITEM1, ONE);
+ WRITE (FILE, OUT_ITEM2, TWO);
+ WRITE (FILE, OUT_ITEM4, FOUR);
+
+ OLD_FILE_SIZE := SIZE (FILE);
+
+ WRITE (FILE, OUT_ITEM1, FOUR);
+
+ IF OLD_FILE_SIZE /= SIZE (FILE) THEN
+ FAILED ("FILE SIZE CHANGED DURING REWRITE - 2");
+ RAISE END_SUBTEST;
+ END IF;
+ EXCEPTION
+ WHEN END_SUBTEST =>
+ NULL;
+ END;
+
+ BEGIN
+ DELETE (FILE);
+ EXCEPTION
+ WHEN USE_ERROR =>
+ NULL;
+ END;
+
+ EXCEPTION
+ WHEN END_SUBTEST =>
+ NULL;
+ END;
+
+ RESULT;
+
+END CE2401L;