/*
    * ====================================================================
    * 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.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  
  package org.apache.hc.core5.http.io.entity;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutputStream;
  import java.io.Serializable;
  
  import org.junit.Assert;
  import org.junit.Test;
  
  public class TestSerializableEntity {
  
      public static class SerializableObject implements Serializable {
  
          private static final long serialVersionUID = 1833335861188359573L;
  
          public int intValue = 4;
  
          public String stringValue = "Hello";
  
          public SerializableObject() {}
      }
  
      @Test
      public void testBasics() throws Exception {
          final ByteArrayOutputStream baos = new ByteArrayOutputStream();
          final ObjectOutputStream out = new ObjectOutputStream(baos);
  
          final Serializable serializableObj = new SerializableObject();
          out.writeObject(serializableObj);
  
          final SerializableEntity httpentity = new SerializableEntity(serializableObj, null);
  
          Assert.assertEquals(-1, httpentity.getContentLength());
          Assert.assertNotNull(httpentity.getContent());
          Assert.assertTrue(httpentity.isRepeatable());
          Assert.assertFalse(httpentity.isStreaming());
      }
  
      @Test
      public void testWriteTo() throws Exception {
          final Serializable serializableObj = new SerializableObject();
          final SerializableEntity httpentity = new SerializableEntity(serializableObj, null);
  
          final ByteArrayOutputStream out = new ByteArrayOutputStream();
          httpentity.writeTo(out);
          final byte[] bytes = out.toByteArray();
          Assert.assertNotNull(bytes);
          final ObjectInputStream oin = new ObjectInputStream(new ByteArrayInputStream(
                  bytes));
          final SerializableObject serIn = (SerializableObject) oin.readObject();
          Assert.assertEquals(4, serIn.intValue);
          Assert.assertEquals("Hello", serIn.stringValue);
  
          try {
              httpentity.writeTo(null);
              Assert.fail("NullPointerException should have been thrown");
          } catch (final NullPointerException ex) {
              // expected
          }
      }
  
  }