150 lines
5.0 KiB
Java
150 lines
5.0 KiB
Java
/*
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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 4865031
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* @summary Test ScatteringByteChannel/GatheringByteChannel read/write
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* @library ..
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*/
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import java.net.*;
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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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import java.nio.charset.*;
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public class VectorParams {
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static java.io.PrintStream out = System.out;
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static final int DAYTIME_PORT = 13;
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static final String DAYTIME_HOST = TestUtil.HOST;
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static final int testSize = 10;
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static ByteBuffer[] bufs = null;
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static InetSocketAddress isa = null;
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public static void main(String[] args) throws Exception {
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initBufs();
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testSocketChannelVectorParams();
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testDatagramChannelVectorParams();
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testPipeVectorParams();
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testFileVectorParams();
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}
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static void initBufs() throws Exception {
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bufs = new ByteBuffer[testSize];
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for(int i=0; i<testSize; i++) {
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String source = "buffer" + i;
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bufs[i] = ByteBuffer.allocate(source.length());
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bufs[i].put(source.getBytes("8859_1"));
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bufs[i].flip();
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}
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isa = new InetSocketAddress(InetAddress.getByName(DAYTIME_HOST),
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DAYTIME_PORT);
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}
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static void testSocketChannelVectorParams() throws Exception {
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SocketChannel sc = SocketChannel.open(isa);
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tryBadWrite(sc, bufs, 0, -1);
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tryBadWrite(sc, bufs, -1, 0);
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tryBadWrite(sc, bufs, 0, 1000);
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tryBadWrite(sc, bufs, 1000, 1);
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tryBadRead(sc, bufs, 0, -1);
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tryBadRead(sc, bufs, -1, 0);
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tryBadRead(sc, bufs, 0, 1000);
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tryBadRead(sc, bufs, 1000, 1);
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sc.close();
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}
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static void testDatagramChannelVectorParams() throws Exception {
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DatagramChannel dc = DatagramChannel.open();
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dc.connect(isa);
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tryBadRead(dc, bufs, 0, -1);
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tryBadRead(dc, bufs, -1, 0);
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tryBadRead(dc, bufs, 0, 1000);
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tryBadRead(dc, bufs, 1000, 1);
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tryBadWrite(dc, bufs, 0, -1);
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tryBadWrite(dc, bufs, -1, 0);
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tryBadWrite(dc, bufs, 0, 1000);
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tryBadWrite(dc, bufs, 1000, 1);
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dc.close();
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}
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static void testPipeVectorParams() throws Exception {
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Pipe p = Pipe.open();
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Pipe.SinkChannel sink = p.sink();
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Pipe.SourceChannel source = p.source();
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tryBadWrite(sink, bufs, 0, -1);
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tryBadWrite(sink, bufs, -1, 0);
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tryBadWrite(sink, bufs, 0, 1000);
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tryBadWrite(sink, bufs, 1000, 1);
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tryBadRead(source, bufs, 0, -1);
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tryBadRead(source, bufs, -1, 0);
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tryBadRead(source, bufs, 0, 1000);
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tryBadRead(source, bufs, 1000, 1);
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sink.close();
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source.close();
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}
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static void testFileVectorParams() throws Exception {
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File testFile = File.createTempFile("filevec", null);
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testFile.deleteOnExit();
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RandomAccessFile raf = new RandomAccessFile(testFile, "rw");
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FileChannel fc = raf.getChannel();
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tryBadWrite(fc, bufs, 0, -1);
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tryBadWrite(fc, bufs, -1, 0);
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tryBadWrite(fc, bufs, 0, 1000);
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tryBadWrite(fc, bufs, 1000, 1);
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tryBadRead(fc, bufs, 0, -1);
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tryBadRead(fc, bufs, -1, 0);
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tryBadRead(fc, bufs, 0, 1000);
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tryBadRead(fc, bufs, 1000, 1);
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fc.close();
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}
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private static void tryBadWrite(GatheringByteChannel gbc,
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ByteBuffer[] bufs, int offset, int len)
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throws Exception
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{
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try {
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gbc.write(bufs, offset, len);
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throw new RuntimeException("Expected exception not thrown");
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} catch (IndexOutOfBoundsException ioobe) {
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// Correct result
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}
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}
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private static void tryBadRead(ScatteringByteChannel sbc,
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ByteBuffer[] bufs, int offset, int len)
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throws Exception
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{
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try {
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sbc.read(bufs, offset, len);
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throw new RuntimeException("Expected exception not thrown");
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} catch (IndexOutOfBoundsException ioobe) {
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// Correct result
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}
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}
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}
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