public void test_minusDays_minimum() {

    OffsetDate t = OffsetDate.of(Year.MIN_YEAR, 1, 2, OFFSET_PONE).minusDays(1);
    OffsetDate expected = OffsetDate.of(Year.MIN_YEAR, 1, 1, OFFSET_PONE);
    assertEquals(t, expected);
  }

  @Test(expectedExceptions = { DateTimeException.class }, groups = { "tck" }