code: package caevo;
  
  import caevo.util.WordNet;
  import junit.framework.TestCase;
  
  /**
   * A few quick WordNet operations to make sure it is loaded properly.
   */
  public class WordnetTest extends TestCase {
  
    public void testWordnet() {
      WordNet wordnet = new WordNet();
  
      testLemmas(wordnet);
      testSynsets(wordnet);
    }
  
    private void testLemmas(WordNet wordnet) {
      assertEquals("Checking WordNet lemmatization.",
          wordnet.lemmatizeTaggedWord("running", "VBG"), "run");
      assertEquals("Checking WordNet lemmatization.",
          wordnet.lemmatizeTaggedWord("were", "VBG"), "be");
      assertEquals("Checking WordNet lemmatization.",
          wordnet.lemmatizeTaggedWord("men", "NNS"), "man");
    }
  
    private void testSynsets(WordNet wordnet) {
      assertEquals("Checking WordNet synset paths for physical objects.", true,
          wordnet.isPhysicalObject("house"));
      assertEquals("Checking WordNet synset paths for persons.", true,
          wordnet.isNounPersonOrGroup("soldier"));
      assertEquals("Checking WordNet synset paths for persons.", false,
          wordnet.isNounPersonOrGroup("knife"));
    }
  
  }
  