@Test
 public void testInterfacesWithComponentPointcut() {
   pico.addComponent(Dao.class, DaoImpl.class);
   pico.registerMixin(cuts.component(Dao.class), IdentifiableMixin.class);
   pico.registerInterfaces(cuts.component(Dao.class), new Class[] {AnotherInterface.class});
   Dao dao = pico.getComponent(Dao.class);
   assertTrue(dao instanceof Identifiable);
   assertTrue(dao instanceof AnotherInterface);
 }
  @Test
  public void testInterfacesWithClassPointcutNoAdviceStillSetsUp() {
    pico.addComponent(Dao.class, DaoImpl.class);
    pico.registerInterfaces(cuts.instancesOf(Dao.class), new Class[] {AnotherInterface.class});
    Dao dao = pico.getComponent(Dao.class);

    // dynaop doesn't add any interfaces if there's no advice applied to the
    // object:
    assertFalse(dao instanceof Identifiable);
    assertTrue(dao instanceof AnotherInterface);
  }