/*
    * 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.netty5.testsuite.transport.socket;
  
  import io.netty5.bootstrap.Bootstrap;
  import io.netty5.buffer.api.BufferAllocator;
  import io.netty5.channel.Channel;
  import io.netty5.channel.ChannelHandler;
  import io.netty5.channel.ChannelHandlerContext;
  import io.netty5.testsuite.transport.TestsuitePermutation;
  import io.netty5.util.CharsetUtil;
  import io.netty5.util.NetUtil;
  import io.netty5.util.concurrent.Future;
  import io.netty5.util.concurrent.ImmediateEventExecutor;
  import io.netty5.util.concurrent.Promise;
  import io.netty5.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, this::testConnectNotExists);
      }
  
      public void testConnectNotExists(Bootstrap cb) throws Throwable {
          // 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 ChannelHandler() {
              @Override
              public void channelExceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
                  promise.trySuccess(cause);
              }
          });
          Future<Channel> future = cb.connect(NetUtil.LOCALHOST, SocketTestPermutation.BAD_PORT);
          Channel datagramChannel = null;
          try {
              datagramChannel = future.asStage().get();
              assertTrue(datagramChannel.isActive());
              BufferAllocator allocator = datagramChannel.bufferAllocator();
              datagramChannel.writeAndFlush(
                          allocator.copyOf("test".getBytes(CharsetUtil.US_ASCII))).asStage().sync();
              assertTrue(promise.asFuture().asStage().sync().getNow() instanceof PortUnreachableException);
          } finally {
              if (datagramChannel != null) {
                  datagramChannel.close();
              }
          }
      }
  }