Add Unit test for [#7143]

transport/src/test/java/io/netty/channel/nio/NioSocketChannelTest.java

@@ -30,6 +30,7 @@ import io.netty.channel.ChannelPipeline;
 import io.netty.channel.EventLoop;
 import io.netty.channel.EventLoopGroup;
 import io.netty.channel.SimpleChannelInboundHandler;
+import io.netty.channel.socket.SocketChannel;
 import io.netty.channel.socket.nio.NioServerSocketChannel;
 import io.netty.channel.socket.nio.NioSocketChannel;
 import io.netty.util.CharsetUtil;
@@ -39,8 +40,10 @@ import org.junit.Test;
 
 import java.io.DataInput;
 import java.io.DataInputStream;
+import java.io.IOException;
 import java.io.InputStream;
 import java.net.InetSocketAddress;
+import java.net.ServerSocket;
 import java.net.Socket;
 import java.net.SocketAddress;
 import java.nio.channels.ClosedChannelException;
@@ -240,4 +243,39 @@ public class NioSocketChannelTest {
             group.shutdownGracefully();
         }
     }
+
+    @Test(timeout = 3000)
+    public void testShutdownOutputAndClose() throws IOException {
+        NioEventLoopGroup group = new NioEventLoopGroup(1);
+        ServerSocket socket = new ServerSocket();
+        socket.bind(new InetSocketAddress(0));
+        Socket accepted = null;
+        try {
+            Bootstrap sb = new Bootstrap();
+            sb.group(group).channel(NioSocketChannel.class);
+            sb.handler(new ChannelInboundHandlerAdapter());
+
+            SocketChannel channel = (SocketChannel) sb.connect(socket.getLocalSocketAddress())
+                    .syncUninterruptibly().channel();
+
+            accepted = socket.accept();
+            channel.shutdownOutput().syncUninterruptibly();
+
+            channel.close().syncUninterruptibly();
+        } finally {
+            if (accepted != null) {
+                try {
+                    accepted.close();
+                } catch (IOException ignore) {
+                    // ignore
+                }
+            }
+            try {
+                socket.close();
+            } catch (IOException ignore) {
+                // ignore
+            }
+            group.shutdownGracefully();
+        }
+    }
 }