public void A_Feature_whose_instance_is_an_IFeature_is_unavailable_until_the_IFeature_is_available()
{
var inner = new Feature<string>();
var outer = new Feature<Feature<string>>(inner);
bool available = false;
outer.Availability.Subscribe(a => available = a);
Assert.That(available, Is.False);
inner.OnNext("hello");
Assert.That(available, Is.True);
}
public void A_feature_can_be_subscribed_before_it_is_registered_and_when_it_is_later_initialized_subscribers_will_be_notified()
{
string result = null;
var feature = new Feature<string>();
feature.Subscribe(s => result = s);
Assert.That(result, Is.Null);
feature.OnNext("hello");
Assert.That(result, Is.EqualTo("hello"));
}
public void A_Feature_whose_instance_is_an_IFeature_produces_a_value_when_the_IFeature_is_available()
{
var inner = new Feature<string>();
var outer = new Feature<Feature<string>>(inner);
Feature<string> result = null;
outer.Subscribe(v => result = v);
inner.OnNext("hello");
Assert.That(outer.Availability.First(), Is.EqualTo(true));
Assert.That(outer.First().First(), Is.EqualTo("hello"));
}