/*
    * 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 tests;
  
  import junit.framework.TestCase;
  import org.apache.ws.commons.schema.*;
  
  import javax.xml.namespace.QName;
  import javax.xml.transform.stream.StreamSource;
  import java.io.ByteArrayOutputStream;
  import java.io.FileInputStream;
  import java.io.InputStream;
  import java.util.Iterator;
  
  public class ElementRefsTest extends TestCase {
      public void testElementRefs() throws Exception {
          QName ELEMENT_QNAME = new QName("http://soapinterop.org/types",
                  "attTests");
          InputStream is = new FileInputStream(Resources.asURI("elementreferences.xsd"));
          XmlSchemaCollection schemaCol = new XmlSchemaCollection();
          XmlSchema schema = schemaCol.read(new StreamSource(is), null);
  
          XmlSchemaElement elem = schemaCol.getElementByQName(ELEMENT_QNAME);
  
          assertNotNull(elem);
  
          XmlSchemaComplexType cmplxType = (XmlSchemaComplexType)elem.getSchemaType();
          XmlSchemaObjectCollection items = ((XmlSchemaSequence)cmplxType.getParticle()).getItems();
  
          Iterator it = items.getIterator();
          while (it.hasNext()) {
              XmlSchemaElement innerElement =  (XmlSchemaElement)it.next();
              assertNotNull(innerElement.getRefName());
          }
  
          // test writing
          ByteArrayOutputStream bos = new ByteArrayOutputStream();
          schema.write(bos);
      }
  
  }