/*
    * 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.giraph.writable.kryo;
  
  import org.apache.giraph.types.ops.collections.array.WDoubleArrayList;
  import org.apache.giraph.writable.kryo.serializers.DirectWritableSerializer;
  import org.apache.hadoop.io.DoubleWritable;
  import org.junit.Assert;
  import org.junit.Test;
  
  import com.esotericsoftware.kryo.Kryo;
  
  public class DirectWritableSerializerCopyTest {
    @Test
    public void test1() {
      DoubleWritable value = new DoubleWritable(5.9999);
      DirectWritableSerializer<DoubleWritable> serializer = new DirectWritableSerializer<>();
      Kryo kryo = new Kryo();
      DoubleWritable copy = serializer.copy(kryo, value);
      Assert.assertEquals(value.get(), copy.get(), 0);
    }
  
    @Test
    public void test2() {
      WDoubleArrayList list = new WDoubleArrayList();
      list.addW(new DoubleWritable(0.11111111));
      list.addW(new DoubleWritable(1000.9));
      list.addW(new DoubleWritable(99999999.99999999));
      DirectWritableSerializer<WDoubleArrayList> serializer =
        new DirectWritableSerializer<>();
      Kryo kryo = new Kryo();
      WDoubleArrayList copy = serializer.copy(kryo, list);
      DoubleWritable reusable = new DoubleWritable();
      copy.getIntoW(0, reusable);
      Assert.assertEquals(0.11111111, reusable.get(), 0);
      copy.getIntoW(1, reusable);
      Assert.assertEquals(1000.9, reusable.get(), 0);
      copy.getIntoW(2, reusable);
      Assert.assertEquals(99999999.99999999, reusable.get(), 0);
    }
  }