64 lines
2.2 KiB
Java
64 lines
2.2 KiB
Java
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/*
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* Copyright 2001-2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/* @test
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@bug 4434115 4802789
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* @summary Check for regressions in FileChannel.force
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*/
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import java.io.*;
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import java.nio.*;
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import java.nio.channels.*;
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public class Force {
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public static void main(String[] args) throws Exception {
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writeAfterForce();
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forceReadableOnly();
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}
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// 4434115: FileChannel.write() fails when preceded by force() operation
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private static void writeAfterForce() throws Exception {
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byte[] srcData = new byte[20];
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File blah = File.createTempFile("blah", null);
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blah.deleteOnExit();
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FileOutputStream fis = new FileOutputStream(blah);
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FileChannel fc = fis.getChannel();
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fc.write(ByteBuffer.wrap(srcData));
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fc.force(false);
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fc.write(ByteBuffer.wrap(srcData));
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fc.close();
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}
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// 4802789: FileChannel.force(true) throws IOException (windows)
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private static void forceReadableOnly() throws Exception {
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File f = File.createTempFile("blah", null);
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f.deleteOnExit();
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FileInputStream fis = new FileInputStream(f);
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FileChannel fc = fis.getChannel();
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fc.force(true);
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fc.close();
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fis.close();
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}
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}
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