/*
    * 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.commons.jxpath.issues;
  
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.io.StringReader;
  import java.util.List;
  
  import javax.xml.parsers.DocumentBuilder;
  import javax.xml.parsers.DocumentBuilderFactory;
  import javax.xml.parsers.ParserConfigurationException;
  
  import org.apache.commons.jxpath.AbstractJXPathTest;
  import org.apache.commons.jxpath.JXPathContext;
  import org.junit.jupiter.api.Test;
  import org.w3c.dom.Document;
  import org.xml.sax.InputSource;
  
  public class JXPath113Test extends AbstractJXPathTest {
  
      static class JAXP {
  
          public static Document getDocument(final InputSource is) throws Exception {
              final DocumentBuilder builder = getDocumentBuilder();
              return builder.parse(is);
          }
  
          public static Document getDocument(final String xml) throws Exception {
              return getDocument(new InputSource(new StringReader(xml)));
          }
  
          private static DocumentBuilder getDocumentBuilder() throws ParserConfigurationException {
              final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
              factory.setValidating(false);
              factory.setNamespaceAware(true);
              factory.setExpandEntityReferences(false);
              return factory.newDocumentBuilder();
          }
      }
  
      @Test
      public void testIssue113() throws Exception {
          final Document doc = JAXP.getDocument("<xml/>");
          final JXPathContext context = JXPathContext.newContext(doc);
          final List result = context.selectNodes("//following-sibling::node()");
          assertNotNull(result);
          assertTrue(result.isEmpty());
      }
  }