public  void testGetValuesForIndexedDocument() throws Exception 
{
        RAMDirectory dir = new RAMDirectory();
        IndexWriter writer = new IndexWriter(dir, new StandardAnalyzer(), true);
        writer.addDocument(makeDocumentWithFields());
        writer.close();
        Searcher searcher = new IndexSearcher(dir);
	// search for something that does exists
	Query query = new TermQuery(new Term("keyword", "test1"));
	// ensure that queries return expected results without DateFilter first
        Hits hits = searcher.search(query);
	assertEquals(1, hits.length());
        try
        {
            doAssert(hits.doc(0), true);
        }
        catch (Exception e)
        {
            e.printStackTrace(System.err);
            System.err.print("\n");
        }
        finally
        {
            searcher.close();
        }
}

Tests Document#getValues() method for a Document retrieved from an index.

 public  void testGetValuesForNewDocument() throws Exception 
{
        doAssert(makeDocumentWithFields(), false);
}

Tests Document#getValues() method for a brand new Document that has not been indexed yet.

 public  void testRemoveForNewDocument() throws Exception 
{
    Document doc = makeDocumentWithFields();
    assertEquals(8, doc.fields.size());
    doc.removeFields("keyword");
    assertEquals(6, doc.fields.size());
    doc.removeFields("doesnotexists");      // removing non-existing fields is siltenlty ignored
    doc.removeFields("keyword");		// removing a field more than once
    assertEquals(6, doc.fields.size());
    doc.removeField("text");
    assertEquals(5, doc.fields.size());
    doc.removeField("text");
    assertEquals(4, doc.fields.size());
    doc.removeField("text");
    assertEquals(4, doc.fields.size());
    doc.removeField("doesnotexists");       // removing non-existing fields is siltenlty ignored
    assertEquals(4, doc.fields.size());
    doc.removeFields("unindexed");
    assertEquals(2, doc.fields.size());
    doc.removeFields("unstored");
    assertEquals(0, doc.fields.size());
    doc.removeFields("doesnotexists");	// removing non-existing fields is siltenlty ignored
    assertEquals(0, doc.fields.size());
}

Tests Document#remove() method for a brand new Document that has not been indexed yet.