@DataProvider(name = "toInstant")
  Object[][] data_toInstant() {

    return new Object[][] { { LocalDateTime.of(1970, 1, 1, 0, 0, 0, 0), 0L, 0 },
        { LocalDateTime.of(1970, 1, 1, 0, 0, 0, 1), 0L, 1 },
        { LocalDateTime.of(1970, 1, 1, 0, 0, 0, 999_999_999), 0L, 999_999_999 },
        { LocalDateTime.of(1970, 1, 1, 0, 0, 1, 0), 1L, 0 }, { LocalDateTime.of(1970, 1, 1, 0, 0, 1, 1), 1L, 1 },
        { LocalDateTime.of(1969, 12, 31, 23, 59, 59, 999999999), -1L, 999_999_999 },
        { LocalDateTime.of(1970, 1, 2, 0, 0), 24L * 60L * 60L, 0 },
        { LocalDateTime.of(1969, 12, 31, 0, 0), -24L * 60L * 60L, 0 }, };
  }

  @Test(groups = { "tck" }