@DataProvider(name = "sampleDates")
  Object[][] provider_sampleDates() {

    return new Object[][] { { 2008, 1 }, { 2008, 2 }, { -1, 3 }, { 0, 12 }, };
  }

  // -----------------------------------------------------------------------
  // with(Year)
  // -----------------------------------------------------------------------
  @Test(groups = { "tck" }