author | alanb |
Wed, 23 Jun 2010 20:19:29 +0100 | |
changeset 5970 | d4e98bbfb0be |
parent 5506 | 202f599c92aa |
child 7668 | d4a77089c587 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003, 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 4802340 |
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* @summary Testing force(), load() isLoaded() of zero len MBB |
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5970
d4e98bbfb0be
6963027: TEST_BUG: channels and buffer tests need to run in samevm mode
alanb
parents:
5506
diff
changeset
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* @run main/othervm ZeroMap |
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*/ |
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import java.io.*; |
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import java.nio.*; |
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import java.util.*; |
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import java.nio.channels.*; |
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public class ZeroMap { |
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public static void main(String[] args) throws Exception { |
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Random random = new Random(); |
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long filesize = random.nextInt(1024*1024); |
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int cut = random.nextInt((int)filesize); |
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File file = new File("Blah"); |
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RandomAccessFile raf = new RandomAccessFile(file, "rw"); |
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raf.setLength(filesize); |
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FileChannel fc = raf.getChannel(); |
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MappedByteBuffer buf1 = fc.map( |
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FileChannel.MapMode.READ_WRITE, cut, 0); |
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buf1.force(); |
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buf1.load(); |
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buf1.isLoaded(); |
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fc.close(); |
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raf.close(); |
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} |
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} |