public void all_discarded_items_are_notified()
{
var selected = new List<int>();
var discarded = new List<int>();
var source = new[] { 1, 2, 3 };
var result = source.AsObservable(x => x.Where(i => false), selected.Add, discarded.Add).ToList();
selected.ShouldHaveCountOf(0);
discarded.ShouldHaveCountOf(3)
.ShouldContain(1)
.ShouldContain(2)
.ShouldContain(3);
}
public void the_selected_items_trigger_notification()
{
var selected = new List<int>();
var discarded = new List<int>();
var source = new[] { 1, 2, 3 };
var result = source.AsObservable(x => x.Where(i => i != 2), selected.Add, discarded.Add).ToList();
selected.ShouldHaveCountOf(2)
.ShouldContain(1)
.ShouldContain(3);
discarded.ShouldHaveCountOf(1)
.ShouldContain(2);
}