assertNotNull(parameters[0]);
assertNotNull(parameters[1]);
assertTrue("unexpected type " + parameters[0].getClass().getName(),
parameters[0] instanceof User);
User ua = (User) parameters[0];
assertEquals(Long.valueOf(12), ua.getId());
assertEquals("rose", ua.getName());
assertEquals(20, ua.getAge());
assertTrue("unexpected type " + parameters[1].getClass().getName(),
parameters[1] instanceof User);
User ub = (User) parameters[1];
assertEquals(Long.valueOf(13), ub.getId());
assertNull(ub.getName());
assertEquals(0, ub.getAge());
}