59 lines
1.9 KiB
Java
59 lines
1.9 KiB
Java
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/*
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* Copyright 2001 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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* @summary Test read method of FileChannel
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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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/**
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* Testing a read into buffers that have no room.
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*/
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public class ReadFull {
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public static void main(String[] args) throws Exception {
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File blah = File.createTempFile("blah", null);
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blah.deleteOnExit();
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ByteBuffer[] dstBuffers = new ByteBuffer[10];
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for(int i=0; i<10; i++) {
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dstBuffers[i] = ByteBuffer.allocateDirect(10);
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dstBuffers[i].position(10);
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}
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FileInputStream fis = new FileInputStream(blah);
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FileChannel fc = fis.getChannel();
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// No space left in buffers, this should return 0
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long bytesRead = fc.read(dstBuffers) ;
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if (bytesRead != 0)
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throw new RuntimeException("Nonzero return from read");
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fc.close();
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fis.close();
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}
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}
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