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    * Licensed to the Apache Software Foundation (ASF) under one
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    * 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
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  package org.apache.http.client.utils;
  
  import java.io.IOException;
  import java.io.InputStream;
  
  import org.apache.http.HttpEntity;
  import org.apache.http.HttpResponse;
  import org.apache.http.client.methods.CloseableHttpResponse;
  import org.apache.http.impl.client.CloseableHttpClient;
  import org.junit.Test;
  import org.mockito.Mockito;
  
  @SuppressWarnings("boxing") // test code
  public class TestHttpClientUtils {
  
      @Test
      public void testCloseQuietlyResponseNull() throws Exception {
          final HttpResponse response = null;
          HttpClientUtils.closeQuietly(response);
      }
  
      @Test
      public void testCloseQuietlyResponseEntityNull() throws Exception {
          final HttpResponse response = Mockito.mock(HttpResponse.class);
          HttpClientUtils.closeQuietly(response);
          Mockito.verify(response).getEntity();
      }
  
      @Test
      public void testCloseQuietlyResponseEntityNonStreaming() throws Exception {
          final HttpResponse response = Mockito.mock(HttpResponse.class);
          final HttpEntity entity = Mockito.mock(HttpEntity.class);
          Mockito.when(response.getEntity()).thenReturn(entity);
          Mockito.when(entity.isStreaming()).thenReturn(Boolean.FALSE);
          HttpClientUtils.closeQuietly(response);
          Mockito.verify(entity, Mockito.never()).getContent();
      }
  
      @Test
      public void testCloseQuietlyResponseEntity() throws Exception {
          final HttpResponse response = Mockito.mock(HttpResponse.class);
          final HttpEntity entity = Mockito.mock(HttpEntity.class);
          final InputStream inStream = Mockito.mock(InputStream.class);
          Mockito.when(response.getEntity()).thenReturn(entity);
          Mockito.when(entity.isStreaming()).thenReturn(Boolean.TRUE);
          Mockito.when(entity.getContent()).thenReturn(inStream);
          HttpClientUtils.closeQuietly(response);
          Mockito.verify(inStream).close();
      }
  
      @Test
      public void testCloseQuietlyResponseIgnoreIOError() throws Exception {
          final HttpResponse response = Mockito.mock(HttpResponse.class);
          final HttpEntity entity = Mockito.mock(HttpEntity.class);
          final InputStream inStream = Mockito.mock(InputStream.class);
          Mockito.when(response.getEntity()).thenReturn(entity);
          Mockito.when(entity.getContent()).thenReturn(inStream);
          Mockito.doThrow(new IOException()).when(inStream).close();
          HttpClientUtils.closeQuietly(response);
      }
  
      @Test
      public void testCloseQuietlyCloseableResponseNull() throws Exception {
          final CloseableHttpResponse response = null;
          HttpClientUtils.closeQuietly(response);
      }
  
      @Test
      public void testCloseQuietlyCloseableResponseEntityNull() throws Exception {
          final CloseableHttpResponse response = Mockito.mock(CloseableHttpResponse.class);
          HttpClientUtils.closeQuietly(response);
          Mockito.verify(response).getEntity();
          Mockito.verify(response).close();
     }
 
     @Test
     public void testCloseQuietlyCloseableResponseEntityNonStreaming() throws Exception {
         final CloseableHttpResponse response = Mockito.mock(CloseableHttpResponse.class);
         final HttpEntity entity = Mockito.mock(HttpEntity.class);
         Mockito.when(response.getEntity()).thenReturn(entity);
         Mockito.when(entity.isStreaming()).thenReturn(Boolean.FALSE);
         HttpClientUtils.closeQuietly(response);
         Mockito.verify(entity, Mockito.never()).getContent();
         Mockito.verify(response).close();
     }
 
     @Test
     public void testCloseQuietlyCloseableResponseEntity() throws Exception {
         final CloseableHttpResponse response = Mockito.mock(CloseableHttpResponse.class);
         final HttpEntity entity = Mockito.mock(HttpEntity.class);
         final InputStream inStream = Mockito.mock(InputStream.class);
         Mockito.when(response.getEntity()).thenReturn(entity);
         Mockito.when(entity.isStreaming()).thenReturn(Boolean.TRUE);
         Mockito.when(entity.getContent()).thenReturn(inStream);
         HttpClientUtils.closeQuietly(response);
         Mockito.verify(inStream).close();
         Mockito.verify(response).close();
     }
 
     @Test
     public void testCloseQuietlyCloseableResponseIgnoreIOError() throws Exception {
         final CloseableHttpResponse response = Mockito.mock(CloseableHttpResponse.class);
         final HttpEntity entity = Mockito.mock(HttpEntity.class);
         final InputStream inStream = Mockito.mock(InputStream.class);
         Mockito.when(response.getEntity()).thenReturn(entity);
         Mockito.when(entity.getContent()).thenReturn(inStream);
         Mockito.doThrow(new IOException()).when(inStream).close();
         HttpClientUtils.closeQuietly(response);
     }
 
     @Test
     public void testCloseQuietlyHttpClientNull() throws Exception {
         final CloseableHttpClient httpclient = null;
         HttpClientUtils.closeQuietly(httpclient);
     }
 
     @Test
     public void testCloseQuietlyHttpClient() throws Exception {
         final CloseableHttpClient httpclient = Mockito.mock(CloseableHttpClient.class);
         HttpClientUtils.closeQuietly(httpclient);
         Mockito.verify(httpclient).close();
     }
 
     @Test
     public void testCloseQuietlyCloseableHttpClientIgnoreIOError() throws Exception {
         final CloseableHttpClient httpclient = Mockito.mock(CloseableHttpClient.class);
         Mockito.doThrow(new IOException()).when(httpclient).close();
         HttpClientUtils.closeQuietly(httpclient);
     }
 
 }