3789983e89
Reviewed-by: darcy, ihse
69 lines
2.3 KiB
Java
69 lines
2.3 KiB
Java
/*
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* Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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@bug 4101707
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@summary Test if fill() will behave correctly at EOF to
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allow file to grow.
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*/
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import java.io.*;
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public class GrowAfterEOF {
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public static void main(String[] args) throws Exception {
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File input = new File(".", "TestEOFInput.txt");
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RandomAccessFile rf = new RandomAccessFile(input, "rw");
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try {
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BufferedReader r = new BufferedReader
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(new InputStreamReader(new FileInputStream(input)));
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try {
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// write something
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rf.writeBytes("a line");
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// read till the end of file
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while (r.readLine() != null);
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// append to the end of the file
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rf.seek(rf.length());
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rf.writeBytes("new line");
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// now try to read again
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boolean readMore = false;
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while (r.readLine() != null) {
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readMore = true;
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}
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if (!readMore) {
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input.delete();
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throw new Exception("Failed test: unable to read!");
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} else {
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input.delete();
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}
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} finally {
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r.close();
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}
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} finally {
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rf.close();
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}
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}
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}
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