public void test_toEpochSecond_afterEpoch() {

    for (int i = 0; i < 100000; i++) {
      OffsetDateTime a = OffsetDateTime.of(1970, 1, 1, 0, 0, ZoneOffset.UTC).plusSeconds(i);
      assertEquals(a.toEpochSecond(), i);
    }
  }

  @Test(groups = { "tck" }