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/*
* @ test
* @ bug 8148609
* @ library / test / lib
* @ summary Assert that the set of socket options are immutable
* @ run testng / othervm ImmutableOptions
* @ run testng / othervm - Djava . net . preferIPv4Stack = true ImmutableOptions
*/
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.*;
import java.util.Set;
import jdk.test.lib.net.IPSupport;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;
public class ImmutableOptions {
@BeforeTest
void setupServerSocketFactory() throws IOException {
IPSupport.throwSkippedExceptionIfNonOperational();
ServerSocket.setSocketFactory(new ServerSocketImplFactory());
}
@Test(expectedExceptions = UnsupportedOperationException.class )
public void socketThrows() throws IOException {
CustomSocketImpl impl = new CustomSocketImpl();
Socket socket = new CustomSocket(impl);
socket.supportedOptions().clear();
}
@Test(expectedExceptions = UnsupportedOperationException.class )
public void socketImplThrows() throws IOException {
CustomSocketImpl impl = new CustomSocketImpl();
impl.supportedOptions().clear();
}
@Test(expectedExceptions = UnsupportedOperationException.class )
public void serverSocketThrows() throws IOException {
ServerSocket ss = new ServerSocket();
ss.supportedOptions().clear();
}
@Test(expectedExceptions = UnsupportedOperationException.class )
public void serverSocketImplThrows() throws IOException {
ServerSocket ss = new ServerSocket();
ServerSocketImplFactory.mostRecentlyCreated.supportedOptions().clear();
}
@Test(expectedExceptions = UnsupportedOperationException.class )
public void datagramSocketThrows() throws IOException {
CustomDatagramSocketImpl impl = new CustomDatagramSocketImpl();
DatagramSocket socket = new CustomDatagramSocket(impl);
socket.supportedOptions().clear();
}
@Test(expectedExceptions = UnsupportedOperationException.class )
public void datagramSocketImplThrows() throws IOException {
CustomDatagramSocketImpl impl = new CustomDatagramSocketImpl();
impl.supportedOptions().clear();
}
// Socket descendants
static class CustomSocket extends Socket {
public CustomSocket(SocketImpl impl) throws IOException {
super (impl);
}
}
static class CustomDatagramSocket extends DatagramSocket {
public CustomDatagramSocket(DatagramSocketImpl impl) {
super (impl);
}
}
static class ServerSocketImplFactory implements SocketImplFactory {
static volatile CustomSocketImpl mostRecentlyCreated;
@Override public SocketImpl createSocketImpl() {
return mostRecentlyCreated = new CustomSocketImpl();
}
}
// Custom impl's
static class CustomSocketImpl extends SocketImpl {
// The only method interesting to this test.
@Override public Set<SocketOption<?>> supportedOptions() {
return super .supportedOptions();
}
public void create(boolean stream) throws IOException { }
public void connect(String host, int port) throws IOException { }
public void connect(InetAddress addr, int port) throws IOException { }
public void connect(SocketAddress addr, int timeout) throws IOException { }
public void bind(InetAddress host, int port) throws IOException { }
public void listen(int backlog) throws IOException { }
public void accept(SocketImpl s) throws IOException { }
public InputStream getInputStream() throws IOException { return null ; }
public OutputStream getOutputStream() throws IOException { return null ; }
public int available() throws IOException { return 0 ; }
public void close() throws IOException { }
public void sendUrgentData(int data) throws IOException { }
public Object getOption(int i) throws SocketException { return null ; }
public void setOption(int i, Object o) throws SocketException { }
}
static class CustomDatagramSocketImpl extends DatagramSocketImpl {
// The only method interesting to this test.
@Override public Set<SocketOption<?>> supportedOptions() {
return super .supportedOptions();
}
protected void create() throws SocketException { }
protected void bind(int lport, InetAddress laddr) throws SocketException { }
protected void send(DatagramPacket p) throws IOException { }
protected int peek(InetAddress i) throws IOException { return 0 ; }
protected int peekData(DatagramPacket p) throws IOException { return 0 ; }
protected void receive(DatagramPacket p) throws IOException { }
protected void setTTL(byte ttl) throws IOException { }
protected byte getTTL() throws IOException { return 0 ; }
protected void setTimeToLive(int ttl) throws IOException { }
protected int getTimeToLive() throws IOException { return 0 ; }
protected void join(InetAddress inetaddr) throws IOException { }
protected void leave(InetAddress inetaddr) throws IOException { }
protected void joinGroup(SocketAddress x, NetworkInterface y)
throws IOException { }
protected void leaveGroup(SocketAddress x, NetworkInterface y)
throws IOException { }
protected void close() { }
public void setOption(int optID, Object value) throws SocketException { }
public Object getOption(int optID) throws SocketException { return null ; }
}
}
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