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+-- CE2405B.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 RAISES END_ERROR WHEN THE CURRENT READ POSITION
+-- IS GREATER THAN THE END POSITION. ALSO CHECK THAT END_OF_FILE
+-- CORRECTLY DETECTS THE END OF A DIRECT FILE.
+
+-- APPLICABILITY CRITERIA:
+-- THIS TEST IS APPLICABLE ONLY TO IMPLEMENTATIONS WHICH SUPPORT
+-- CREATION WITH INOUT_FILE MODE AND OPENING OF IN_FILE MODE.
+
+-- HISTORY:
+-- SPS 09/28/82
+-- JBG 02/22/84 CHANGE TO .ADA TEST
+-- EG 05/16/85
+-- GMT 08/03/87 ADDED CODE TO CHECK THAT END_OF_FILE WORKS, AND
+-- ADDED CODE TO PREVENT SOME EXCEPTION PROPAGATION.
+
+WITH REPORT; USE REPORT;
+WITH DIRECT_IO;
+
+PROCEDURE CE2405B IS
+BEGIN
+ TEST ("CE2405B", "CHECK THAT END_ERROR IS RAISED BY READ AT THE " &
+ "END OF A FILE AND THAT END_OF_FILE CORRECTLY " &
+ "DETECTS THE END OF A DIRECT_IO FILE");
+ DECLARE
+ PACKAGE DIR IS NEW DIRECT_IO (CHARACTER);
+ USE DIR;
+ FT : FILE_TYPE;
+ CH : CHARACTER;
+ INCOMPLETE : EXCEPTION;
+ BEGIN
+
+ -- CREATE AND INITIALIZE FILE
+
+ BEGIN
+ CREATE (FT, INOUT_FILE, LEGAL_FILE_NAME);
+ EXCEPTION
+ WHEN USE_ERROR | NAME_ERROR =>
+ NOT_APPLICABLE ("USE_ERROR | NAME_ERROR WAS " &
+ "RAISED ON CREATE - 1");
+ RAISE INCOMPLETE;
+ WHEN OTHERS =>
+ FAILED ("WRONG EXCEPTION RAISED ON CREATE - 2");
+ RAISE INCOMPLETE;
+ END;
+
+ BEGIN
+
+ WRITE (FT, 'C');
+ WRITE (FT, 'X');
+
+ -- BEGIN TEST
+
+ IF NOT END_OF_FILE (FT) THEN
+ FAILED ("END_OF_FILE RETURNED INCORRECT " &
+ "BOOLEAN VALUE - 3");
+ END IF;
+
+ BEGIN
+ READ (FT, CH);
+ FAILED ("END_ERROR NOT RAISED ON READ - 4");
+ EXCEPTION
+ WHEN END_ERROR =>
+ NULL;
+ WHEN OTHERS =>
+ FAILED ("WRONG EXCEPTION RAISED ON READ - 5");
+ END;
+
+ WRITE (FT,'E');
+
+ BEGIN
+ READ (FT, CH);
+ FAILED ("END_ERROR NOT RAISED ON READ - 6");
+ EXCEPTION
+ WHEN END_ERROR =>
+ NULL;
+ WHEN OTHERS =>
+ FAILED ("WRONG EXCEPTION RAISED ON READ - 7");
+ END;
+
+ END;
+
+ CLOSE (FT);
+
+ BEGIN
+ OPEN (FT, IN_FILE, LEGAL_FILE_NAME);
+ EXCEPTION
+ WHEN USE_ERROR =>
+ NOT_APPLICABLE ("USE_ERROR RAISED ON OPEN - 8");
+ RAISE INCOMPLETE;
+ WHEN OTHERS =>
+ FAILED ("WRONG EXCEPTION RAISED ON OPEN - 9");
+ RAISE INCOMPLETE;
+ END;
+
+ DECLARE
+ COUNT_NBR_OF_READS : NATURAL := 0;
+ EXPECTED_COUNT : CONSTANT := 3;
+ BEGIN
+ LOOP
+ IF END_OF_FILE (FT) THEN
+ EXIT;
+ ELSE
+ READ (FT, CH);
+ COUNT_NBR_OF_READS := COUNT_NBR_OF_READS + 1;
+ END IF;
+ END LOOP;
+
+ IF COUNT_NBR_OF_READS /= EXPECTED_COUNT THEN
+ FAILED ("THE BAD VALUE FOR COUNT_NBR_OF_READS " &
+ "IS " &
+ NATURAL'IMAGE (COUNT_NBR_OF_READS) );
+ END IF;
+
+ END;
+
+ BEGIN
+ DELETE (FT);
+ EXCEPTION
+ WHEN USE_ERROR =>
+ NULL;
+ END;
+
+ EXCEPTION
+
+ WHEN INCOMPLETE =>
+ NULL;
+
+ END;
+
+ RESULT;
+
+END CE2405B;