@Test
public void testSetup() {

    IntervalLattice<Date> dates = new IntervalLattice<>(new TinkerGraph());
    
    
    Date d1 = new Date(2015, 11, 15, 0, 0);
    Date d3 = new Date(2015, 12, 12, 0, 0);
    Date d4 = new Date(2015, 12, 10, 0, 0);
    Date d5 = new Date(2015, 12, 14, 0, 0);
    Date d6 = new Date(2015, 12, 11, 0, 0);
    Date d7 = new Date(2015, 12, 16, 0, 0);
    Date d8 = new Date(2015, 10, 1, 0, 0);
    Date d9 = new Date(2015, 10, 2, 0, 0);
    
    Interval<Date> a = new Interval<>(1, Range.closed(d1, d3));
    Interval<Date> b = new Interval<>(1, Range.closed(d4, d5));
    Interval<Date> c = new Interval<>(1, Range.closed(d6, d7));
    Interval<Date> d = new Interval<>(1, Range.closed(d8, d9));
    
    System.out.println("a.before(b) ? " + a.before(b));
    System.out.println("d.before(b) ? " + d.before(b));
    
    dates.insert(a);
    
    dates.insert(c);
    dates.insert(b);
    dates.insert(d);
    
    System.out.println(dates);
            
    
}