public void constructor_nullOffset() throws Throwable {

    Constructor<OffsetDateTime> con = OffsetDateTime.class
        .getDeclaredConstructor(LocalDateTime.class, ZoneOffset.class);
    con.setAccessible(true);
    try {
      con.newInstance(LocalDateTime.of(2008, 6, 30, 11, 30), null);
    } catch (InvocationTargetException ex) {
      throw ex.getCause();
    }
  }