public void test_isAfter_null() {

    LocalDateTime ldt = LocalDateTime.of(2008, 6, 30, 23, 30, 59, 0);
    ZonedDateTime a = ZonedDateTime.of(ldt, ZONE_0100);
    a.isAfter(null);
  }

  // -----------------------------------------------------------------------
  // equals() / hashCode()
  // -----------------------------------------------------------------------
  @Test(dataProvider = "sampleTimes", groups = { "tck" }