public void EmptyIncludeTest()
{
IFilter filter = new DepartBeforeArriveFilter();
var test = DepartBefore();
var result = filter.Include(new HashSet <Flight>(), test);
Assert.Empty(result);
}
public void IncludeValidTest()
{
IFilter filter = new DepartBeforeArriveFilter();
var depart = DepartBefore();
var arrive = ArriveBefore();
var test = new List <Flight>(depart);
test.AddRange(arrive);
var result = filter.Include(new HashSet <Flight>(), test);
Assert.Equal(arrive, result);
}