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/*
* Copyright (c) 2011, 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 7014860
* @summary Socket.getInputStream().available() not clear for
* case that connection is shutdown for reading
* @run main ShutdownInput
* @run main/othervm -Djava.net.preferIPv4Stack=true ShutdownInput
*/
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
public class ShutdownInput {
static boolean failed = false;
public static void main(String args[]) throws Exception {
InetAddress iaddr = InetAddress.getLocalHost();
try ( ServerSocket ss = new ServerSocket(0);
Socket s1 = new Socket(iaddr, ss.getLocalPort());
Socket s2 = ss.accept() ) {
test(s1, s2, "Testing NET");
}
// check the NIO socket adapter
try (ServerSocketChannel sc = ServerSocketChannel.open().bind(null);
SocketChannel s1 = SocketChannel.open(
new InetSocketAddress(iaddr, sc.socket().getLocalPort()));
SocketChannel s2 = sc.accept() ) {
test(s1.socket(), s2.socket(), "Testing NIO");
}
if (failed) {
throw new RuntimeException("Failed: check output");
}
}
public static void test(Socket s1, Socket s2, String mesg) throws Exception {
OutputStream os = s1.getOutputStream();
os.write("This is a message".getBytes("US-ASCII"));
InputStream in = s2.getInputStream();
s2.shutdownInput();
if (in.available() != 0) {
failed = true;
System.out.println(mesg + ":" + s2 + " in.available() should be 0, " +
"but returns "+ in.available());
}
byte[] ba = new byte[2];
if (in.read() != -1 ||
in.read(ba) != -1 ||
in.read(ba, 0, ba.length) != -1) {
failed = true;
System.out.append(mesg + ":" + s2 + " in.read() should be -1");
}
}
}
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