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@Test
public void onlyWeekEnd() throws Exception {
    WorkingDayTemporalAdjusters adjusters = WorkingDayTemporalAdjusters.onlyWeekEnd();
    
    LocalDate friday = LocalDate.of(2017, 9, 29);
    
    LocalDate saturday = friday.with(adjusters.nextHoliday());
    assertEquals(LocalDate.of(2017, 9, 30), friday.with(adjusters.nextHoliday()));
    
    
    LocalDate monday = friday.with(adjusters.nextWorkingDay());
    assertEquals(LocalDate.of(2017, 10, 2), monday);

    LocalDate thursday = friday.with(adjusters.previousWorkingDay());
    assertEquals(LocalDate.of(2017, 9, 28), thursday);
    
    LocalDate sunday = friday.with(adjusters.previousHoliday());
    assertEquals(LocalDate.of(2017, 9, 24), sunday);
}

@Test
public void withHolidays() throws Exception {
    WorkingDayTemporalAdjusters adjusters = WorkingDayTemporalAdjusters.withHolidays(
        Holidays.of(
            asList(
                LocalDate.of(2017, 10, 3),//the National foundation Day
                LocalDate.of(2017, 10, 4),//Korean Thanksgiving Day
                LocalDate.of(2017, 10, 5),//Korean Thanksgiving Day
                LocalDate.of(2017, 10, 6),//Korean Thanksgiving Day
                LocalDate.of(2017, 10, 9) //Hangul Day
            )
        )
    );
    
    LocalDate monday = LocalDate.of(2017, 10, 2);
    
    LocalDate nationalFoundationDay = monday.with(adjusters.nextHoliday());
    assertEquals(LocalDate.of(2017, 10, 3), nationalFoundationDay);
    
    LocalDate nextDay = monday.with(adjusters.nextWorkingDay());
    assertEquals(LocalDate.of(2017, 10, 10), nextDay);
    
    LocalDate previousDay = monday.with(adjusters.previousWorkingDay());
    assertEquals(LocalDate.of(2017, 9, 29), previousDay);
    
    LocalDate sunday = monday.with(adjusters.previousHoliday());
    assertEquals(LocalDate.of(2017, 10, 1), sunday);
}