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+-- CE2103A.TST
+
+-- 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 SEQUENTIAL_IO.
+
+-- A) UNOPENED FILES
+
+-- HISTORY:
+-- DLD 08/10/82
+-- SPS 11/09/82
+-- JBG 03/24/83
+-- EG 06/03/85
+-- SPW 08/10/87 SPLIT CASE FOR OPENED FILES INTO CE2103C.ADA.
+-- PWB 03/07/97 ADDED CHECK FOR FILE SUPPORT.
+
+WITH REPORT; USE REPORT;
+WITH SEQUENTIAL_IO;
+
+PROCEDURE CE2103A IS
+
+ PACKAGE SEQ_IO IS NEW SEQUENTIAL_IO(CHARACTER);
+ USE SEQ_IO;
+
+ TEST_FILE_ZERO : SEQ_IO.FILE_TYPE;
+ TEST_FILE_ONE : SEQ_IO.FILE_TYPE;
+ TEST_FILE_TWO : SEQ_IO.FILE_TYPE;
+ TEST_FILE_THREE : SEQ_IO.FILE_TYPE;
+ TEST_FILE_FOUR : SEQ_IO.FILE_TYPE;
+ VAL : BOOLEAN;
+
+ INCOMPLETE : EXCEPTION;
+
+BEGIN
+
+ TEST ("CE2103A", "CHECK THAT IS_OPEN RETURNS THE PROPER " &
+ "VALUES FOR UNOPENED FILES OF TYPE " &
+ "SEQUENTIAL_IO");
+
+-- FIRST TEST WHETHER IMPLEMENTATION SUPPORTS SEQUENTIAL FILES AT ALL
+
+ BEGIN
+ SEQ_IO.CREATE ( TEST_FILE_ZERO,
+ SEQ_IO.OUT_FILE,
+ REPORT.LEGAL_FILE_NAME );
+ EXCEPTION
+ WHEN SEQ_IO.USE_ERROR | SEQ_IO.NAME_ERROR =>
+ REPORT.NOT_APPLICABLE
+ ( "SEQUENTIAL FILES NOT SUPPORTED -- CREATE OUT-FILE" );
+ RAISE INCOMPLETE;
+ END;
+ SEQ_IO.DELETE ( TEST_FILE_ZERO );
+
+-- WHEN FILE IS DECLARED BUT NOT OPEN
+
+ BEGIN
+ VAL := TRUE;
+ VAL := IS_OPEN (TEST_FILE_ONE);
+ IF VAL = TRUE THEN
+ FAILED ("FILE NOT OPEN BUT IS_OPEN RETURNS TRUE");
+ END IF;
+ END;
+
+-- FOLLOWING UNSUCCESSFUL CREATE
+
+ BEGIN
+ VAL := TRUE;
+ CREATE (TEST_FILE_TWO, OUT_FILE,
+ "$ILLEGAL_EXTERNAL_FILE_NAME1");
+ FAILED ("NAME_ERROR NOT RAISED - UNSUCCESSFUL CREATE");
+ EXCEPTION
+ WHEN NAME_ERROR =>
+ VAL := IS_OPEN (TEST_FILE_TWO);
+ IF VAL = TRUE THEN
+ FAILED ("IS_OPEN GIVES TRUE AFTER AN " &
+ "UNSUCCESSFUL CREATE");
+ END IF;
+ END;
+
+-- FOLLOWING UNSUCCESSFUL OPEN
+
+ BEGIN
+ VAL := TRUE;
+ OPEN (TEST_FILE_THREE, IN_FILE,
+ "$ILLEGAL_EXTERNAL_FILE_NAME1");
+ FAILED ("NAME_ERROR NOT RAISED - UNSUCCESSFUL OPEN");
+ EXCEPTION
+ WHEN NAME_ERROR =>
+ VAL := IS_OPEN (TEST_FILE_THREE);
+ IF VAL = TRUE THEN
+ FAILED ("IS_OPEN GIVES TRUE - UNSUCCESSFUL OPEN");
+ END IF;
+ END;
+
+-- FOLLOWING CLOSING FILE THAT IS NOT OPEN
+
+ BEGIN
+ VAL := TRUE;
+ CLOSE (TEST_FILE_FOUR);
+ FAILED ("STATUS ERROR NOT RAISED WHEN " &
+ "ATTEMPTING TO CLOSE AN UNOPENED FILE");
+ EXCEPTION
+ WHEN STATUS_ERROR =>
+ VAL := IS_OPEN (TEST_FILE_FOUR);
+ IF VAL = TRUE THEN
+ FAILED ("IS_OPEN GIVES TRUE AFTER ATTEMPTING " &
+ "TO CLOSE AN UNOPENED FILE");
+ END IF;
+ END;
+
+ RESULT;
+
+EXCEPTION
+ WHEN INCOMPLETE =>
+ NULL;
+ REPORT.RESULT;
+ WHEN OTHERS =>
+ REPORT.FAILED ( "UNEXPECTED EXCEPTION" );
+ REPORT.RESULT;
+END CE2103A;