/*
    * Copyright 2017 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.Channel;
  import io.netty.channel.ChannelFuture;
  import io.netty.channel.ChannelHandlerContext;
  import io.netty.channel.ChannelInboundHandlerAdapter;
  import io.netty.channel.socket.oio.OioDatagramChannel;
  import io.netty.testsuite.transport.TestsuitePermutation;
  import io.netty.util.CharsetUtil;
  import io.netty.util.NetUtil;
  import io.netty.util.concurrent.ImmediateEventExecutor;
  import io.netty.util.concurrent.Promise;
  import io.netty.util.internal.PlatformDependent;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.TestInfo;
  import org.junit.jupiter.api.Timeout;
  
  import java.net.PortUnreachableException;
  import java.util.List;
  import java.util.concurrent.TimeUnit;
  
  import static org.junit.jupiter.api.Assertions.assertTrue;
  import static org.junit.jupiter.api.Assumptions.assumeFalse;
  
  public class DatagramConnectNotExistsTest extends AbstractClientSocketTest {
  
      @Override
      protected List<TestsuitePermutation.BootstrapFactory<Bootstrap>> newFactories() {
          return SocketTestPermutation.INSTANCE.datagramSocket();
      }
  
      @Test
      @Timeout(value = 10000, unit = TimeUnit.MILLISECONDS)
      public void testConnectNotExists(TestInfo testInfo) throws Throwable {
          run(testInfo, new Runner<Bootstrap>() {
              @Override
              public void run(Bootstrap bootstrap) {
                  testConnectNotExists(bootstrap);
              }
          });
      }
  
      public void testConnectNotExists(Bootstrap cb) {
          // Currently not works on windows
          // See https://github.com/netty/netty/issues/11285
          assumeFalse(PlatformDependent.isWindows());
          final Promise<Throwable> promise = ImmediateEventExecutor.INSTANCE.newPromise();
          cb.handler(new ChannelInboundHandlerAdapter() {
              @Override
              public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
                  promise.trySuccess(cause);
              }
          });
          ChannelFuture future = cb.connect(NetUtil.LOCALHOST, SocketTestPermutation.BAD_PORT);
          try {
              Channel datagramChannel = future.syncUninterruptibly().channel();
              assertTrue(datagramChannel.isActive());
              datagramChannel.writeAndFlush(
                      Unpooled.copiedBuffer("test", CharsetUtil.US_ASCII)).syncUninterruptibly();
              if (!(datagramChannel instanceof OioDatagramChannel)) {
                  assertTrue(promise.syncUninterruptibly().getNow() instanceof PortUnreachableException);
              }
          } finally {
              future.channel().close();
          }
      }
  }