public TestDocumentWriter(String s) 
{
     
    super(s);
}

 protected  void setUp() 
{
    DocHelper.setupDoc(testDoc);
}

 protected  void tearDown() 
{

}

 public  void test() 
{
    assertTrue(dir != null);
}

 public  void testAddDocument() 
{
    Analyzer analyzer = new WhitespaceAnalyzer();
    Similarity similarity = Similarity.getDefault();
    DocumentWriter writer = new DocumentWriter(dir, analyzer, similarity, 50);
    assertTrue(writer != null);
    try {
      writer.addDocument("test", testDoc);
      //After adding the document, we should be able to read it back in
      SegmentReader reader = new SegmentReader(new SegmentInfo("test", 1, dir));
      assertTrue(reader != null);
      Document doc = reader.document(0);
      assertTrue(doc != null);
      //System.out.println("Document: " + doc);
      Field [] fields = doc.getFields("textField2");
      assertTrue(fields != null && fields.length == 1);
      assertTrue(fields[0].stringValue().equals(DocHelper.FIELD_2_TEXT));
      assertTrue(fields[0].isTermVectorStored() == true);
      fields = doc.getFields("textField1");
      assertTrue(fields != null && fields.length == 1);
      assertTrue(fields[0].stringValue().equals(DocHelper.FIELD_1_TEXT));
      assertTrue(fields[0].isTermVectorStored() == false);
      fields = doc.getFields("keyField");
      assertTrue(fields != null && fields.length == 1);
      assertTrue(fields[0].stringValue().equals(DocHelper.KEYWORD_TEXT));
    } catch (IOException e) {
      e.printStackTrace();
      assertTrue(false);
    }
}