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/*
* Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* @test
* @bug 4865031
* @summary Test ScatteringByteChannel/GatheringByteChannel read/write
* @library .. /test/lib
* @build jdk.test.lib.Utils TestServers
* @run main VectorParams
*/
import java.io.*;
import java.net.*;
import java.nio.*;
import java.nio.channels.*;
public class VectorParams {
static java.io.PrintStream out = System.out;
static final int testSize = 10;
static ByteBuffer[] bufs = null;
static InetSocketAddress isa = null;
public static void main(String[] args) throws Exception {
try (TestServers.DayTimeServer daytimeServer
= TestServers.DayTimeServer.startNewServer(100)) {
initBufs(daytimeServer);
testSocketChannelVectorParams();
testDatagramChannelVectorParams();
testPipeVectorParams();
testFileVectorParams();
}
}
static void initBufs(TestServers.DayTimeServer daytimeServer) throws Exception {
bufs = new ByteBuffer[testSize];
for(int i=0; i<testSize; i++) {
String source = "buffer" + i;
bufs[i] = ByteBuffer.allocate(source.length());
bufs[i].put(source.getBytes("8859_1"));
bufs[i].flip();
}
isa = new InetSocketAddress(daytimeServer.getAddress(),
daytimeServer.getPort());
}
static void testSocketChannelVectorParams() throws Exception {
SocketChannel sc = SocketChannel.open(isa);
tryBadWrite(sc, bufs, 0, -1);
tryBadWrite(sc, bufs, -1, 0);
tryBadWrite(sc, bufs, 0, 1000);
tryBadWrite(sc, bufs, 1000, 1);
tryBadRead(sc, bufs, 0, -1);
tryBadRead(sc, bufs, -1, 0);
tryBadRead(sc, bufs, 0, 1000);
tryBadRead(sc, bufs, 1000, 1);
sc.close();
}
static void testDatagramChannelVectorParams() throws Exception {
DatagramChannel dc = DatagramChannel.open();
dc.connect(isa);
tryBadRead(dc, bufs, 0, -1);
tryBadRead(dc, bufs, -1, 0);
tryBadRead(dc, bufs, 0, 1000);
tryBadRead(dc, bufs, 1000, 1);
tryBadWrite(dc, bufs, 0, -1);
tryBadWrite(dc, bufs, -1, 0);
tryBadWrite(dc, bufs, 0, 1000);
tryBadWrite(dc, bufs, 1000, 1);
dc.close();
}
static void testPipeVectorParams() throws Exception {
Pipe p = Pipe.open();
Pipe.SinkChannel sink = p.sink();
Pipe.SourceChannel source = p.source();
tryBadWrite(sink, bufs, 0, -1);
tryBadWrite(sink, bufs, -1, 0);
tryBadWrite(sink, bufs, 0, 1000);
tryBadWrite(sink, bufs, 1000, 1);
tryBadRead(source, bufs, 0, -1);
tryBadRead(source, bufs, -1, 0);
tryBadRead(source, bufs, 0, 1000);
tryBadRead(source, bufs, 1000, 1);
sink.close();
source.close();
}
static void testFileVectorParams() throws Exception {
File testFile = File.createTempFile("filevec", null);
testFile.deleteOnExit();
RandomAccessFile raf = new RandomAccessFile(testFile, "rw");
FileChannel fc = raf.getChannel();
tryBadWrite(fc, bufs, 0, -1);
tryBadWrite(fc, bufs, -1, 0);
tryBadWrite(fc, bufs, 0, 1000);
tryBadWrite(fc, bufs, 1000, 1);
tryBadRead(fc, bufs, 0, -1);
tryBadRead(fc, bufs, -1, 0);
tryBadRead(fc, bufs, 0, 1000);
tryBadRead(fc, bufs, 1000, 1);
fc.close();
}
private static void tryBadWrite(GatheringByteChannel gbc,
ByteBuffer[] bufs, int offset, int len)
throws Exception
{
try {
gbc.write(bufs, offset, len);
throw new RuntimeException("Expected exception not thrown");
} catch (IndexOutOfBoundsException ioobe) {
// Correct result
}
}
private static void tryBadRead(ScatteringByteChannel sbc,
ByteBuffer[] bufs, int offset, int len)
throws Exception
{
try {
sbc.read(bufs, offset, len);
throw new RuntimeException("Expected exception not thrown");
} catch (IndexOutOfBoundsException ioobe) {
// Correct result
}
}
}
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