test/jdk/java/net/SocketOption/NullsAndBadValues.java - openjdk/jdk25u - Git at Google


            
            /*

            
             * Copyright (c) 2019, 2021, 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 8224477

            
             * @summary Basic test for NPE, UOE, and IAE for get/setOption

            
             * @run testng NullsAndBadValues

            
             * @run testng/othervm -Dsun.net.useExclusiveBind=false NullsAndBadValues

            
             */


            import java.net.DatagramSocket;

            
            import java.net.MulticastSocket;

            
            import java.net.ServerSocket;

            
            import java.net.Socket;

            
            import java.net.SocketOption;

            
            import java.nio.channels.DatagramChannel;

            
            import java.nio.channels.ServerSocketChannel;

            
            import java.nio.channels.SocketChannel;

            
            import java.util.ArrayList;

            
            import java.util.Arrays;

            
            import java.util.HashMap;

            
            import java.util.List;

            
            import java.util.Map;

            
            import java.util.stream.Stream;

            
            import org.testng.annotations.DataProvider;

            
            import org.testng.annotations.Test;

            
            import static java.lang.Boolean.*;

            
            import static java.net.StandardSocketOptions.*;

            
            import static org.testng.Assert.expectThrows;


            public class NullsAndBadValues {


                static final Class<NullPointerException> NPE = NullPointerException.class;

            
                static final Class<IllegalArgumentException> IAE = IllegalArgumentException.class;

            
                static final Class<UnsupportedOperationException> UOE = UnsupportedOperationException.class;


                @Test

            
                public void nulls() throws Exception {

            
                    try (Socket s = new Socket()) {

            
                        expectThrows(NPE, () -> s.setOption(null, null));

            
                        expectThrows(NPE, () -> s.setOption(null, ""));

            
                        expectThrows(NPE, () -> s.setOption(null, 1));

            
                        expectThrows(NPE, () -> s.getOption(null));

            
                    }

            
                    try (ServerSocket ss = new ServerSocket()) {

            
                        expectThrows(NPE, () -> ss.setOption(null, null));

            
                        expectThrows(NPE, () -> ss.setOption(null, ""));

            
                        expectThrows(NPE, () -> ss.setOption(null, 1));

            
                        expectThrows(NPE, () -> ss.getOption(null));

            
                    }

            
                    try (DatagramSocket ds = new DatagramSocket()) {

            
                        expectThrows(NPE, () -> ds.setOption(null, null));

            
                        expectThrows(NPE, () -> ds.setOption(null, ""));

            
                        expectThrows(NPE, () -> ds.setOption(null, 1));

            
                        expectThrows(NPE, () -> ds.getOption(null));

            
                    }

            
                    try (MulticastSocket ms = new MulticastSocket()) {

            
                        expectThrows(NPE, () -> ms.setOption(null, null));

            
                        expectThrows(NPE, () -> ms.setOption(null, ""));

            
                        expectThrows(NPE, () -> ms.setOption(null, 1));

            
                        expectThrows(NPE, () -> ms.getOption(null));

            
                    }

            
                    try (Socket sa = SocketChannel.open().socket()) {

            
                        expectThrows(NPE, () -> sa.setOption(null, null));

            
                        expectThrows(NPE, () -> sa.setOption(null, ""));

            
                        expectThrows(NPE, () -> sa.setOption(null, 1));

            
                        expectThrows(NPE, () -> sa.getOption(null));

            
                    }

            
                    try (ServerSocket ssa = ServerSocketChannel.open().socket()) {

            
                        expectThrows(NPE, () -> ssa.setOption(null, null));

            
                        expectThrows(NPE, () -> ssa.setOption(null, ""));

            
                        expectThrows(NPE, () -> ssa.setOption(null, 1));

            
                        expectThrows(NPE, () -> ssa.getOption(null));

            
                    }

            
                    try (DatagramSocket dsa = DatagramChannel.open().socket()) {

            
                        expectThrows(NPE, () -> dsa.setOption(null, null));

            
                        expectThrows(NPE, () -> dsa.setOption(null, ""));

            
                        expectThrows(NPE, () -> dsa.setOption(null, 1));

            
                        expectThrows(NPE, () -> dsa.getOption(null));

            
                    }

            
                }


                static final SocketOption<Boolean> FAKE_SOCK_OPT = new SocketOption<>() {

            
                    @Override public String name() { return "FAKE_SOCK_OPT"; }

            
                    @Override public Class<Boolean> type() { return Boolean.class; }

            
                };


                static final SocketOption RAW_SOCK_OPT = new SocketOption() {

            
                    @Override public String name() { return "RAW_SOCK_OPT"; }

            
                    @Override public Class type()  { return Boolean.class;  }

            
                };


                @Test

            
                public void uoe() throws Exception {

            
                    try (Socket s = new Socket()) {

            
                        expectThrows(UOE, () -> s.setOption(FAKE_SOCK_OPT, null));

            
                        expectThrows(UOE, () -> s.setOption(FAKE_SOCK_OPT, TRUE));

            
                        expectThrows(UOE, () -> s.setOption(FAKE_SOCK_OPT, FALSE));

            
                        expectThrows(UOE, () -> s.setOption(RAW_SOCK_OPT, ""));

            
                        expectThrows(UOE, () -> s.setOption(RAW_SOCK_OPT, 1));

            
                        expectThrows(UOE, () -> s.getOption(FAKE_SOCK_OPT));

            
                        expectThrows(UOE, () -> s.getOption(RAW_SOCK_OPT));

            
                    }

            
                    try (ServerSocket ss = new ServerSocket()) {

            
                        expectThrows(UOE, () -> ss.setOption(FAKE_SOCK_OPT, null));

            
                        expectThrows(UOE, () -> ss.setOption(FAKE_SOCK_OPT, TRUE));

            
                        expectThrows(UOE, () -> ss.setOption(FAKE_SOCK_OPT, FALSE));

            
                        expectThrows(UOE, () -> ss.setOption(RAW_SOCK_OPT, ""));

            
                        expectThrows(UOE, () -> ss.setOption(RAW_SOCK_OPT, 1));

            
                        expectThrows(UOE, () -> ss.getOption(FAKE_SOCK_OPT));

            
                        expectThrows(UOE, () -> ss.getOption(RAW_SOCK_OPT));

            
                    }

            
                    try (DatagramSocket ds = new DatagramSocket()) {

            
                        expectThrows(UOE, () -> ds.setOption(FAKE_SOCK_OPT, null));

            
                        expectThrows(UOE, () -> ds.setOption(FAKE_SOCK_OPT, TRUE));

            
                        expectThrows(UOE, () -> ds.setOption(FAKE_SOCK_OPT, FALSE));

            
                        expectThrows(UOE, () -> ds.setOption(RAW_SOCK_OPT, ""));

            
                        expectThrows(UOE, () -> ds.setOption(RAW_SOCK_OPT, 1));

            
                        expectThrows(UOE, () -> ds.getOption(FAKE_SOCK_OPT));

            
                        expectThrows(UOE, () -> ds.getOption(RAW_SOCK_OPT));

            
                    }

            
                    try (MulticastSocket ms = new MulticastSocket()) {

            
                        expectThrows(UOE, () -> ms.setOption(FAKE_SOCK_OPT, null));

            
                        expectThrows(UOE, () -> ms.setOption(FAKE_SOCK_OPT, TRUE));

            
                        expectThrows(UOE, () -> ms.setOption(FAKE_SOCK_OPT, FALSE));

            
                        expectThrows(UOE, () -> ms.setOption(RAW_SOCK_OPT, ""));

            
                        expectThrows(UOE, () -> ms.setOption(RAW_SOCK_OPT, 1));

            
                        expectThrows(UOE, () -> ms.getOption(FAKE_SOCK_OPT));

            
                        expectThrows(UOE, () -> ms.getOption(RAW_SOCK_OPT));

            
                    }

            
                    try (Socket sa = SocketChannel.open().socket()) {

            
                        expectThrows(UOE, () -> sa.setOption(FAKE_SOCK_OPT, null));

            
                        expectThrows(UOE, () -> sa.setOption(FAKE_SOCK_OPT, TRUE));

            
                        expectThrows(UOE, () -> sa.setOption(FAKE_SOCK_OPT, FALSE));

            
                        expectThrows(UOE, () -> sa.setOption(RAW_SOCK_OPT, ""));

            
                        expectThrows(UOE, () -> sa.setOption(RAW_SOCK_OPT, 1));

            
                        expectThrows(UOE, () -> sa.getOption(FAKE_SOCK_OPT));

            
                        expectThrows(UOE, () -> sa.getOption(RAW_SOCK_OPT));

            
                    }

            
                    try (ServerSocket ssa = ServerSocketChannel.open().socket()) {

            
                        expectThrows(UOE, () -> ssa.setOption(FAKE_SOCK_OPT, null));

            
                        expectThrows(UOE, () -> ssa.setOption(FAKE_SOCK_OPT, TRUE));

            
                        expectThrows(UOE, () -> ssa.setOption(FAKE_SOCK_OPT, FALSE));

            
                        expectThrows(UOE, () -> ssa.setOption(RAW_SOCK_OPT, ""));

            
                        expectThrows(UOE, () -> ssa.setOption(RAW_SOCK_OPT, 1));

            
                        expectThrows(UOE, () -> ssa.getOption(FAKE_SOCK_OPT));

            
                        expectThrows(UOE, () -> ssa.getOption(RAW_SOCK_OPT));

            
                    }

            
                    try (DatagramSocket dsa = DatagramChannel.open().socket()) {

            
                        expectThrows(UOE, () -> dsa.setOption(FAKE_SOCK_OPT, null));

            
                        expectThrows(UOE, () -> dsa.setOption(FAKE_SOCK_OPT, TRUE));

            
                        expectThrows(UOE, () -> dsa.setOption(FAKE_SOCK_OPT, FALSE));

            
                        expectThrows(UOE, () -> dsa.setOption(RAW_SOCK_OPT, ""));

            
                        expectThrows(UOE, () -> dsa.setOption(RAW_SOCK_OPT, 1));

            
                        expectThrows(UOE, () -> dsa.getOption(FAKE_SOCK_OPT));

            
                        expectThrows(UOE, () -> dsa.getOption(RAW_SOCK_OPT));

            
                    }

            
                }


                static Map<SocketOption<?>,List<Object>> BAD_OPTION_VALUES = badOptionValues();


                static Map<SocketOption<?>,List<Object>> badOptionValues() {

            
                    Map<SocketOption<?>,List<Object>> map = new HashMap<>();

            
                    map.put(IP_MULTICAST_IF,   listOf(null)         );

            
                    map.put(IP_MULTICAST_LOOP, listOf(null)         );

            
                    map.put(IP_MULTICAST_TTL,  listOf(null, -1, 256));

            
                    map.put(IP_TOS,            listOf(null, -1, 256));

            
                    map.put(SO_BROADCAST,      listOf(null)         );

            
                    map.put(SO_KEEPALIVE,      listOf(null)         );

            
                    map.put(SO_LINGER,         listOf(null)         );

            
                    map.put(SO_RCVBUF,         listOf(null, -1)     );

            
                    map.put(SO_REUSEADDR,      listOf(null)         );

            
                    map.put(SO_REUSEPORT,      listOf(null)         );

            
                    map.put(SO_SNDBUF,         listOf(null, -1)     );

            
                    map.put(TCP_NODELAY,       listOf(null)         );

            
                    // extended options, not in the map, will get a null value

            
                    return map;

            
                }


                // -- Socket


                @DataProvider(name = "socketBadOptionValues")

            
                public Object[][] socketBadOptionValues() throws Exception {

            
                    try (Socket s = new Socket()) {

            
                        return s.supportedOptions().stream()

            
                                .flatMap(NullsAndBadValues::socketOptionToBadValues)

            
                                .toArray(Object[][]::new);

            
                    }

            
                }


                @Test(dataProvider = "socketBadOptionValues")

            
                public <T> void socket(SocketOption<T> option, T value)

            
                    throws Exception

            
                {

            
                    try (Socket s = new Socket()) {

            
                        expectThrows(IAE, () -> s.setOption(option, value));

            
                    }

            
                }


                @Test(dataProvider = "socketBadOptionValues")

            
                public <T> void socketAdapter(SocketOption<T> option, T value)

            
                    throws Exception

            
                {

            
                    try (Socket s = SocketChannel.open().socket()) {

            
                        expectThrows(IAE, () -> s.setOption(option, value));

            
                    }

            
                }


                // -- ServerSocket


                @DataProvider(name = "serverSocketBadOptionValues")

            
                public Object[][] serverSocketBadOptionValues() throws Exception {

            
                    try (ServerSocket ss = new ServerSocket()) {

            
                        return ss.supportedOptions().stream()

            
                                 .flatMap(NullsAndBadValues::socketOptionToBadValues)

            
                                 .toArray(Object[][]::new);

            
                    }

            
                }


                @Test(dataProvider = "serverSocketBadOptionValues")

            
                public <T> void serverSocket(SocketOption<T> option, T value)

            
                    throws Exception

            
                {

            
                    try (ServerSocket ss = new ServerSocket()) {

            
                        expectThrows(IAE, () -> ss.setOption(option, value));

            
                    }

            
                }


                @Test(dataProvider = "serverSocketBadOptionValues")

            
                public <T> void serverSocketAdapter(SocketOption<T> option, T value)

            
                    throws Exception

            
                {

            
                    if (option == IP_TOS)

            
                        return;  // SSC does not support IP_TOS


                    try (ServerSocket ss = ServerSocketChannel.open().socket()) {

            
                        expectThrows(IAE, () -> ss.setOption(option, value));

            
                    }

            
                }


                // -- DatagramSocket


                @DataProvider(name = "datagramSocketBadOptionValues")

            
                public Object[][] datagramSocketBadOptionValues() throws Exception {

            
                    try (DatagramSocket ds = new DatagramSocket()) {

            
                        return ds.supportedOptions().stream()

            
                                 .flatMap(NullsAndBadValues::socketOptionToBadValues)

            
                                 .toArray(Object[][]::new);

            
                    }

            
                }


                @Test(dataProvider = "datagramSocketBadOptionValues")

            
                public <T> void datagramSocket(SocketOption<T> option, T value)

            
                    throws Exception

            
                {

            
                    try (DatagramSocket ds = new DatagramSocket()) {

            
                        expectThrows(IAE, () -> ds.setOption(option, value));

            
                    }

            
                }


                @Test(dataProvider = "datagramSocketBadOptionValues")

            
                public <T> void datagramSocketAdapter(SocketOption<T> option, T value)

            
                    throws Exception

            
                {

            
                    try (DatagramSocket ds = DatagramChannel.open().socket()) {

            
                        expectThrows(IAE, () -> ds.setOption(option, value));

            
                    }

            
                }


                // -- MulticastSocket


                @DataProvider(name = "multicastSocketBadOptionValues")

            
                public Object[][] multicastSocketBadOptionValues() throws Exception {

            
                    try (MulticastSocket ms = new MulticastSocket()) {

            
                        return ms.supportedOptions().stream()

            
                                 .flatMap(NullsAndBadValues::socketOptionToBadValues)

            
                                 .toArray(Object[][]::new);

            
                    }

            
                }


                @Test(dataProvider = "multicastSocketBadOptionValues")

            
                public <T> void multicastSocket(SocketOption<T> option, T value)

            
                    throws Exception

            
                {

            
                    try (MulticastSocket ms = new MulticastSocket()) {

            
                        expectThrows(IAE, () -> ms.setOption(option, value));

            
                    }

            
                }


                // --


                static List<Object> listOf(Object... objs) {

            
                    List<Object> l = new ArrayList<>();

            
                    if (objs == null)

            
                        l.add(null);

            
                    else

            
                        Arrays.stream(objs).forEachOrdered(l::add);

            
                    return l;

            
                }


                static Stream<Object[]> socketOptionToBadValues(SocketOption<?> socketOption) {

            
                    List<Object> values = BAD_OPTION_VALUES.get(socketOption);

            
                    if (values == null) {

            
                        Object[][] a = new Object[][] { new Object[] { socketOption, null } };

            
                        return Stream.of(a);

            
                    }

            
                    return values.stream()

            
                            .flatMap(v -> Stream.of(new Object[][] { new Object[] { socketOption, v } }) );

            
                }

            
            }
	/*
	* Copyright (c) 2019, 2021, 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 8224477
	* @summary Basic test for NPE, UOE, and IAE for get/setOption
	* @run testng NullsAndBadValues
	* @run testng/othervm -Dsun.net.useExclusiveBind=false NullsAndBadValues
	*/

	import java.net.DatagramSocket;
	import java.net.MulticastSocket;
	import java.net.ServerSocket;
	import java.net.Socket;
	import java.net.SocketOption;
	import java.nio.channels.DatagramChannel;
	import java.nio.channels.ServerSocketChannel;
	import java.nio.channels.SocketChannel;
	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Map;
	import java.util.stream.Stream;
	import org.testng.annotations.DataProvider;
	import org.testng.annotations.Test;
	import static java.lang.Boolean.*;
	import static java.net.StandardSocketOptions.*;
	import static org.testng.Assert.expectThrows;

	public class NullsAndBadValues {

	static final Class<NullPointerException> NPE = NullPointerException.class;
	static final Class<IllegalArgumentException> IAE = IllegalArgumentException.class;
	static final Class<UnsupportedOperationException> UOE = UnsupportedOperationException.class;

	@Test
	public void nulls() throws Exception {
	try (Socket s = new Socket()) {
	expectThrows(NPE, () -> s.setOption(null, null));
	expectThrows(NPE, () -> s.setOption(null, ""));
	expectThrows(NPE, () -> s.setOption(null, 1));
	expectThrows(NPE, () -> s.getOption(null));
	}
	try (ServerSocket ss = new ServerSocket()) {
	expectThrows(NPE, () -> ss.setOption(null, null));
	expectThrows(NPE, () -> ss.setOption(null, ""));
	expectThrows(NPE, () -> ss.setOption(null, 1));
	expectThrows(NPE, () -> ss.getOption(null));
	}
	try (DatagramSocket ds = new DatagramSocket()) {
	expectThrows(NPE, () -> ds.setOption(null, null));
	expectThrows(NPE, () -> ds.setOption(null, ""));
	expectThrows(NPE, () -> ds.setOption(null, 1));
	expectThrows(NPE, () -> ds.getOption(null));
	}
	try (MulticastSocket ms = new MulticastSocket()) {
	expectThrows(NPE, () -> ms.setOption(null, null));
	expectThrows(NPE, () -> ms.setOption(null, ""));
	expectThrows(NPE, () -> ms.setOption(null, 1));
	expectThrows(NPE, () -> ms.getOption(null));
	}
	try (Socket sa = SocketChannel.open().socket()) {
	expectThrows(NPE, () -> sa.setOption(null, null));
	expectThrows(NPE, () -> sa.setOption(null, ""));
	expectThrows(NPE, () -> sa.setOption(null, 1));
	expectThrows(NPE, () -> sa.getOption(null));
	}
	try (ServerSocket ssa = ServerSocketChannel.open().socket()) {
	expectThrows(NPE, () -> ssa.setOption(null, null));
	expectThrows(NPE, () -> ssa.setOption(null, ""));
	expectThrows(NPE, () -> ssa.setOption(null, 1));
	expectThrows(NPE, () -> ssa.getOption(null));
	}
	try (DatagramSocket dsa = DatagramChannel.open().socket()) {
	expectThrows(NPE, () -> dsa.setOption(null, null));
	expectThrows(NPE, () -> dsa.setOption(null, ""));
	expectThrows(NPE, () -> dsa.setOption(null, 1));
	expectThrows(NPE, () -> dsa.getOption(null));
	}
	}

	static final SocketOption<Boolean> FAKE_SOCK_OPT = new SocketOption<>() {
	@Override public String name() { return "FAKE_SOCK_OPT"; }
	@Override public Class<Boolean> type() { return Boolean.class; }
	};

	static final SocketOption RAW_SOCK_OPT = new SocketOption() {
	@Override public String name() { return "RAW_SOCK_OPT"; }
	@Override public Class type() { return Boolean.class; }
	};

	@Test
	public void uoe() throws Exception {
	try (Socket s = new Socket()) {
	expectThrows(UOE, () -> s.setOption(FAKE_SOCK_OPT, null));
	expectThrows(UOE, () -> s.setOption(FAKE_SOCK_OPT, TRUE));
	expectThrows(UOE, () -> s.setOption(FAKE_SOCK_OPT, FALSE));
	expectThrows(UOE, () -> s.setOption(RAW_SOCK_OPT, ""));
	expectThrows(UOE, () -> s.setOption(RAW_SOCK_OPT, 1));
	expectThrows(UOE, () -> s.getOption(FAKE_SOCK_OPT));
	expectThrows(UOE, () -> s.getOption(RAW_SOCK_OPT));
	}
	try (ServerSocket ss = new ServerSocket()) {
	expectThrows(UOE, () -> ss.setOption(FAKE_SOCK_OPT, null));
	expectThrows(UOE, () -> ss.setOption(FAKE_SOCK_OPT, TRUE));
	expectThrows(UOE, () -> ss.setOption(FAKE_SOCK_OPT, FALSE));
	expectThrows(UOE, () -> ss.setOption(RAW_SOCK_OPT, ""));
	expectThrows(UOE, () -> ss.setOption(RAW_SOCK_OPT, 1));
	expectThrows(UOE, () -> ss.getOption(FAKE_SOCK_OPT));
	expectThrows(UOE, () -> ss.getOption(RAW_SOCK_OPT));
	}
	try (DatagramSocket ds = new DatagramSocket()) {
	expectThrows(UOE, () -> ds.setOption(FAKE_SOCK_OPT, null));
	expectThrows(UOE, () -> ds.setOption(FAKE_SOCK_OPT, TRUE));
	expectThrows(UOE, () -> ds.setOption(FAKE_SOCK_OPT, FALSE));
	expectThrows(UOE, () -> ds.setOption(RAW_SOCK_OPT, ""));
	expectThrows(UOE, () -> ds.setOption(RAW_SOCK_OPT, 1));
	expectThrows(UOE, () -> ds.getOption(FAKE_SOCK_OPT));
	expectThrows(UOE, () -> ds.getOption(RAW_SOCK_OPT));
	}
	try (MulticastSocket ms = new MulticastSocket()) {
	expectThrows(UOE, () -> ms.setOption(FAKE_SOCK_OPT, null));
	expectThrows(UOE, () -> ms.setOption(FAKE_SOCK_OPT, TRUE));
	expectThrows(UOE, () -> ms.setOption(FAKE_SOCK_OPT, FALSE));
	expectThrows(UOE, () -> ms.setOption(RAW_SOCK_OPT, ""));
	expectThrows(UOE, () -> ms.setOption(RAW_SOCK_OPT, 1));
	expectThrows(UOE, () -> ms.getOption(FAKE_SOCK_OPT));
	expectThrows(UOE, () -> ms.getOption(RAW_SOCK_OPT));
	}
	try (Socket sa = SocketChannel.open().socket()) {
	expectThrows(UOE, () -> sa.setOption(FAKE_SOCK_OPT, null));
	expectThrows(UOE, () -> sa.setOption(FAKE_SOCK_OPT, TRUE));
	expectThrows(UOE, () -> sa.setOption(FAKE_SOCK_OPT, FALSE));
	expectThrows(UOE, () -> sa.setOption(RAW_SOCK_OPT, ""));
	expectThrows(UOE, () -> sa.setOption(RAW_SOCK_OPT, 1));
	expectThrows(UOE, () -> sa.getOption(FAKE_SOCK_OPT));
	expectThrows(UOE, () -> sa.getOption(RAW_SOCK_OPT));
	}
	try (ServerSocket ssa = ServerSocketChannel.open().socket()) {
	expectThrows(UOE, () -> ssa.setOption(FAKE_SOCK_OPT, null));
	expectThrows(UOE, () -> ssa.setOption(FAKE_SOCK_OPT, TRUE));
	expectThrows(UOE, () -> ssa.setOption(FAKE_SOCK_OPT, FALSE));
	expectThrows(UOE, () -> ssa.setOption(RAW_SOCK_OPT, ""));
	expectThrows(UOE, () -> ssa.setOption(RAW_SOCK_OPT, 1));
	expectThrows(UOE, () -> ssa.getOption(FAKE_SOCK_OPT));
	expectThrows(UOE, () -> ssa.getOption(RAW_SOCK_OPT));
	}
	try (DatagramSocket dsa = DatagramChannel.open().socket()) {
	expectThrows(UOE, () -> dsa.setOption(FAKE_SOCK_OPT, null));
	expectThrows(UOE, () -> dsa.setOption(FAKE_SOCK_OPT, TRUE));
	expectThrows(UOE, () -> dsa.setOption(FAKE_SOCK_OPT, FALSE));
	expectThrows(UOE, () -> dsa.setOption(RAW_SOCK_OPT, ""));
	expectThrows(UOE, () -> dsa.setOption(RAW_SOCK_OPT, 1));
	expectThrows(UOE, () -> dsa.getOption(FAKE_SOCK_OPT));
	expectThrows(UOE, () -> dsa.getOption(RAW_SOCK_OPT));
	}
	}

	static Map<SocketOption<?>,List<Object>> BAD_OPTION_VALUES = badOptionValues();

	static Map<SocketOption<?>,List<Object>> badOptionValues() {
	Map<SocketOption<?>,List<Object>> map = new HashMap<>();
	map.put(IP_MULTICAST_IF, listOf(null) );
	map.put(IP_MULTICAST_LOOP, listOf(null) );
	map.put(IP_MULTICAST_TTL, listOf(null, -1, 256));
	map.put(IP_TOS, listOf(null, -1, 256));
	map.put(SO_BROADCAST, listOf(null) );
	map.put(SO_KEEPALIVE, listOf(null) );
	map.put(SO_LINGER, listOf(null) );
	map.put(SO_RCVBUF, listOf(null, -1) );
	map.put(SO_REUSEADDR, listOf(null) );
	map.put(SO_REUSEPORT, listOf(null) );
	map.put(SO_SNDBUF, listOf(null, -1) );
	map.put(TCP_NODELAY, listOf(null) );
	// extended options, not in the map, will get a null value
	return map;
	}

	// -- Socket

	@DataProvider(name = "socketBadOptionValues")
	public Object[][] socketBadOptionValues() throws Exception {
	try (Socket s = new Socket()) {
	return s.supportedOptions().stream()
	.flatMap(NullsAndBadValues::socketOptionToBadValues)
	.toArray(Object[][]::new);
	}
	}

	@Test(dataProvider = "socketBadOptionValues")
	public <T> void socket(SocketOption<T> option, T value)
	throws Exception
	{
	try (Socket s = new Socket()) {
	expectThrows(IAE, () -> s.setOption(option, value));
	}
	}

	@Test(dataProvider = "socketBadOptionValues")
	public <T> void socketAdapter(SocketOption<T> option, T value)
	throws Exception
	{
	try (Socket s = SocketChannel.open().socket()) {
	expectThrows(IAE, () -> s.setOption(option, value));
	}
	}

	// -- ServerSocket

	@DataProvider(name = "serverSocketBadOptionValues")
	public Object[][] serverSocketBadOptionValues() throws Exception {
	try (ServerSocket ss = new ServerSocket()) {
	return ss.supportedOptions().stream()
	.flatMap(NullsAndBadValues::socketOptionToBadValues)
	.toArray(Object[][]::new);
	}
	}

	@Test(dataProvider = "serverSocketBadOptionValues")
	public <T> void serverSocket(SocketOption<T> option, T value)
	throws Exception
	{
	try (ServerSocket ss = new ServerSocket()) {
	expectThrows(IAE, () -> ss.setOption(option, value));
	}
	}

	@Test(dataProvider = "serverSocketBadOptionValues")
	public <T> void serverSocketAdapter(SocketOption<T> option, T value)
	throws Exception
	{
	if (option == IP_TOS)
	return; // SSC does not support IP_TOS

	try (ServerSocket ss = ServerSocketChannel.open().socket()) {
	expectThrows(IAE, () -> ss.setOption(option, value));
	}
	}

	// -- DatagramSocket

	@DataProvider(name = "datagramSocketBadOptionValues")
	public Object[][] datagramSocketBadOptionValues() throws Exception {
	try (DatagramSocket ds = new DatagramSocket()) {
	return ds.supportedOptions().stream()
	.flatMap(NullsAndBadValues::socketOptionToBadValues)
	.toArray(Object[][]::new);
	}
	}

	@Test(dataProvider = "datagramSocketBadOptionValues")
	public <T> void datagramSocket(SocketOption<T> option, T value)
	throws Exception
	{
	try (DatagramSocket ds = new DatagramSocket()) {
	expectThrows(IAE, () -> ds.setOption(option, value));
	}
	}

	@Test(dataProvider = "datagramSocketBadOptionValues")
	public <T> void datagramSocketAdapter(SocketOption<T> option, T value)
	throws Exception
	{
	try (DatagramSocket ds = DatagramChannel.open().socket()) {
	expectThrows(IAE, () -> ds.setOption(option, value));
	}
	}

	// -- MulticastSocket

	@DataProvider(name = "multicastSocketBadOptionValues")
	public Object[][] multicastSocketBadOptionValues() throws Exception {
	try (MulticastSocket ms = new MulticastSocket()) {
	return ms.supportedOptions().stream()
	.flatMap(NullsAndBadValues::socketOptionToBadValues)
	.toArray(Object[][]::new);
	}
	}

	@Test(dataProvider = "multicastSocketBadOptionValues")
	public <T> void multicastSocket(SocketOption<T> option, T value)
	throws Exception
	{
	try (MulticastSocket ms = new MulticastSocket()) {
	expectThrows(IAE, () -> ms.setOption(option, value));
	}
	}

	// --

	static List<Object> listOf(Object... objs) {
	List<Object> l = new ArrayList<>();
	if (objs == null)
	l.add(null);
	else
	Arrays.stream(objs).forEachOrdered(l::add);
	return l;
	}

	static Stream<Object[]> socketOptionToBadValues(SocketOption<?> socketOption) {
	List<Object> values = BAD_OPTION_VALUES.get(socketOption);
	if (values == null) {
	Object[][] a = new Object[][] { new Object[] { socketOption, null } };
	return Stream.of(a);
	}
	return values.stream()
	.flatMap(v -> Stream.of(new Object[][] { new Object[] { socketOption, v } }) );
	}
	}