public void constructor_nullOffset() throws Throwable {

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