package org.apache.commons.jcs3.utils.struct;
   
   import java.io.StringWriter;
   
   import org.apache.commons.jcs3.TestLogConfigurationUtil;
   
   
   /*
    * 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.
   */
  
  import junit.framework.TestCase;
  
  /** Unit tests for the double linked list. */
  public class DoubleLinkedListDumpUnitTest
      extends TestCase
  {
      /** verify that the entries are dumped. */
      public void testDumpEntries_DebugTrue()
      {
          // SETUP
          final StringWriter stringWriter = new StringWriter();
          TestLogConfigurationUtil.configureLogger( stringWriter, DoubleLinkedList.class.getName() );
  
          final DoubleLinkedList<DoubleLinkedListNode<String>> list = new DoubleLinkedList<>();
  
          final String payload1 = "payload1";
          final DoubleLinkedListNode<String> node1 = new DoubleLinkedListNode<>( payload1 );
  
          final String payload2 = "payload2";
          final DoubleLinkedListNode<String> node2 = new DoubleLinkedListNode<>( payload2 );
  
          list.addLast( node1 );
          list.addLast( node2 );
          list.debugDumpEntries();
  
          // WO WORK
          final String result = stringWriter.toString();
  
          // VERIFY
          assertTrue( "Missing node in log dump", result.indexOf( payload1 ) != -1 );
          assertTrue( "Missing node in log dump", result.indexOf( payload2 ) != -1 );
      }
  }