Long years = func1.exec(t);
System.out.println("Years: " + years.toString());
Assert.assertEquals(years.longValue(), 7L);
MonthsBetween func2 = new MonthsBetween();
Long months = func2.exec(t);
System.out.println("Months: " + months.toString());
Assert.assertEquals(months.longValue(),84L);
WeeksBetween func3 = new WeeksBetween();
Long weeks = func3.exec(t);