public virtual void TestCompareTo()
 {
     Term term = new Term("field" + Random().Next(NUMBER_OF_FIELDS), Text);
     for (int i = 0; i < Index.Length(); i++)
     {
         Term t = Index.GetTerm(i);
         int compareTo = term.CompareTo(t);
         Assert.AreEqual(compareTo, Index.CompareTo(term, i));
     }
 }