content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF 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
   *
   *   http://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 org.apache.bifromq.mqtt.handler.ws;
  
  import static org.testng.Assert.assertEquals;
  import static org.testng.Assert.assertFalse;
  import static org.testng.Assert.assertNotNull;
  import static org.testng.Assert.assertTrue;
  
  import io.netty.buffer.ByteBuf;
  import io.netty.buffer.ByteBufUtil;
  import io.netty.buffer.Unpooled;
  import io.netty.channel.embedded.EmbeddedChannel;
  import io.netty.handler.codec.http.websocketx.BinaryWebSocketFrame;
  import org.testng.annotations.BeforeMethod;
  import org.testng.annotations.Test;
  
  public class WebSocketFrameToByteBufDecoderTest {
      private EmbeddedChannel channel;
  
      @BeforeMethod
      public void setUp() {
          // Initialize channel with the decoder before each test
          channel = new EmbeddedChannel(new WebSocketFrameToByteBufDecoder());
      }
  
      @Test
      public void testDecode() {
          // Creating a BinaryWebSocketFrame with sample data
          ByteBuf originalContent = Unpooled.wrappedBuffer(new byte[] {1, 2, 3, 4, 5});
          BinaryWebSocketFrame frame = new BinaryWebSocketFrame(originalContent);
  
          // Write the frame to the channel
          assertTrue(channel.writeInbound(frame));
  
          // Read the decoded output from the channel
          ByteBuf decoded = channel.readInbound();
  
          assertNotNull(decoded);
          assertEquals(originalContent.readerIndex(), decoded.readerIndex());
          assertEquals(originalContent.writerIndex(), decoded.writerIndex());
          assertTrue(ByteBufUtil.equals(originalContent, decoded));
  
          // Cleanup
          decoded.release();
  
          assertFalse(channel.finish());
      }
  }
  