public void test_plusMinutes_one() {

    LocalDateTime t = this.TEST_2007_07_15_12_30_40_987654321.with(LocalTime.MIDNIGHT);
    LocalDate d = t.getDate();

    int hour = 0;
    int min = 0;

    for (int i = 0; i < 70; i++) {
      t = t.plusMinutes(1);
      min++;
      if (min == 60) {
        hour++;
        min = 0;
      }

      assertEquals(t.getDate(), d);
      assertEquals(t.getHour(), hour);
      assertEquals(t.getMinute(), min);
    }
  }

  @Test(groups = { "tck" }