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.spark.network.shuffle;
  
  import org.junit.Test;
  
  import static org.junit.Assert.*;
  
  import org.apache.spark.network.shuffle.protocol.*;
  
  /** Verifies that all BlockTransferMessages can be serialized correctly. */
  public class BlockTransferMessagesSuite {
    @Test
    public void serializeOpenShuffleBlocks() {
      checkSerializeDeserialize(new OpenBlocks("app-1", "exec-2", new String[] { "b1", "b2" }));
      checkSerializeDeserialize(new RegisterExecutor("app-1", "exec-2", new ExecutorShuffleInfo(
        new String[] { "/local1", "/local2" }, 32, "MyShuffleManager")));
      checkSerializeDeserialize(new UploadBlock("app-1", "exec-2", "block-3", new byte[] { 1, 2 },
        new byte[] { 4, 5, 6, 7} ));
      checkSerializeDeserialize(new StreamHandle(12345, 16));
    }
  
    private void checkSerializeDeserialize(BlockTransferMessage msg) {
      BlockTransferMessage msg2 = BlockTransferMessage.Decoder.fromByteBuffer(msg.toByteBuffer());
      assertEquals(msg, msg2);
      assertEquals(msg.hashCode(), msg2.hashCode());
      assertEquals(msg.toString(), msg2.toString());
    }
  }
  