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   /*
    * Copyright 2013 The Netty Project
    *
    * The Netty Project licenses this file to you under the Apache License,
    * version 2.0 (the "License"); you may not use this file except in compliance
    * with the License. You may obtain a copy of the License at:
    *
    *   https://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
   * License for the specific language governing permissions and limitations
   * under the License.
   */
  package io.netty.testsuite.transport.socket;
  
  import io.netty.bootstrap.Bootstrap;
  import io.netty.buffer.Unpooled;
  import io.netty.channel.ChannelHandlerContext;
  import io.netty.channel.ChannelInboundHandlerAdapter;
  import io.netty.channel.socket.SocketChannel;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.TestInfo;
  import org.junit.jupiter.api.Timeout;
  
  import java.util.concurrent.TimeUnit;
  
  public class WriteBeforeRegisteredTest extends AbstractClientSocketTest {
  
      @Test
      @Timeout(value = 30000, unit = TimeUnit.MILLISECONDS)
      public void testWriteBeforeConnect(TestInfo testInfo) throws Throwable {
          run(testInfo, new Runner<Bootstrap>() {
              @Override
              public void run(Bootstrap bootstrap) throws Throwable {
                  testWriteBeforeConnect(bootstrap);
              }
          });
      }
  
      public void testWriteBeforeConnect(Bootstrap cb) throws Throwable {
          TestHandler h = new TestHandler();
          SocketChannel ch = null;
          try {
              ch = (SocketChannel) cb.handler(h).connect(newSocketAddress()).channel();
              ch.writeAndFlush(Unpooled.wrappedBuffer(new byte[] { 1 }));
          } finally {
              if (ch != null) {
                  ch.close();
              }
          }
      }
  
      private static class TestHandler extends ChannelInboundHandlerAdapter {
          @Override
          public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
              cause.printStackTrace();
          }
      }
  }