public void all_sources_are_unsubscribed_when_complete_is_received()
{
var sourceA = new EventOwner();
var sourceC = new EventOwner();
var obs = Observable.Amb(
sourceA.GetObservableEvent(),
Observable.Empty<IEvent<EventArgs>>(),
sourceC.GetObservableEvent()
);
var stats = new StatsObserver<IEvent<EventArgs>>();
obs.Subscribe(stats);
Assert.IsFalse(sourceA.HasSubscriptions);
Assert.IsFalse(sourceC.HasSubscriptions);
}
public void all_sources_are_unsubscribed_when_error_is_received()
{
var sourceA = new EventOwner();
var sourceB = new EventOwner();
var obs = Observable.Amb(
sourceA.GetObservableEvent(),
sourceB.GetObservableEvent(),
Observable.Throw<IEvent<EventArgs>>(new Exception())
);
var stats = new StatsObserver<IEvent<EventArgs>>();
obs.Subscribe(stats);
Assert.IsFalse(sourceA.HasSubscriptions);
Assert.IsFalse(sourceB.HasSubscriptions);
Assert.IsTrue(stats.ErrorCalled);
}
public void complete_does_not_equate_to_value()
{
var eventOwnerA = new EventOwner();
var observableA = Observable.FromEvent<EventArgs>(x => eventOwnerA.Event += x, x => eventOwnerA.Event -= x);
var stats = new StatsObserver<IEvent<EventArgs>>();
observableA
.SkipUntil(Observable.Empty<int>())
.Subscribe(stats);
eventOwnerA.Fire();
eventOwnerA.Fire();
eventOwnerA.Fire();
Assert.AreEqual(0, stats.NextCount);
Assert.IsFalse(stats.CompletedCalled);
}
public void other_sources_are_unsubscribed_when_value_is_received()
{
var sourceA = new EventOwner();
var sourceB = new EventOwner();
var sourceC = new EventOwner();
var obs = Observable.Amb(
sourceA.GetObservableEvent(),
sourceB.GetObservableEvent(),
sourceC.GetObservableEvent()
);
var stats = new StatsObserver<IEvent<EventArgs>>();
obs.Subscribe(stats);
sourceB.Fire();
Assert.IsFalse(sourceA.HasSubscriptions);
Assert.IsTrue(sourceB.HasSubscriptions);
Assert.IsFalse(sourceC.HasSubscriptions);
}
public void returns_values_after_other_emits_value()
{
var eventOwnerA = new EventOwner();
var eventOwnerB = new EventOwner();
var observableA = Observable.FromEvent<EventArgs>(x => eventOwnerA.Event += x, x => eventOwnerA.Event -= x);
var observableB = Observable.FromEvent<EventArgs>(x => eventOwnerB.Event += x, x => eventOwnerB.Event -= x);
var stats = new StatsObserver<IEvent<EventArgs>>();
observableA.SkipUntil(observableA)
.Subscribe(stats);
eventOwnerA.Fire();
eventOwnerA.Fire();
eventOwnerA.Fire();
eventOwnerB.Fire();
eventOwnerA.Fire();
Assert.AreEqual(3, stats.NextCount);
}
public void source_is_unscribed_from_on_disconnect()
{
EventOwner owner = new EventOwner();
var source = owner.GetObservableEvent();
var obs = source.Prune();
var connection = obs.Connect();
Assert.IsTrue(owner.HasSubscriptions);
connection.Dispose();
Assert.IsFalse(owner.HasSubscriptions);
}
public void source_is_resubscribed_to_if_on_reconnect()
{
EventOwner owner = new EventOwner();
var source = owner.GetObservableEvent();
var obs = source.Prune();
var connectionA = obs.Connect();
Assert.IsTrue(owner.HasSubscriptions);
connectionA.Dispose();
Assert.IsFalse(owner.HasSubscriptions);
var connectionB = obs.Connect();
Assert.IsTrue(owner.HasSubscriptions);
connectionB.Dispose();
Assert.IsFalse(owner.HasSubscriptions);
}
public void source_is_only_subscribed_to_once_for_multiple_connections()
{
EventOwner owner = new EventOwner();
var source = owner.GetObservableEvent();
var obs = source.Prune();
obs.Connect();
obs.Connect();
Assert.AreEqual(1, owner.SubscriptionCount);
}
public void source_is_not_subscribed_to_until_connect()
{
EventOwner owner = new EventOwner();
var source = owner.GetObservableEvent();
var obs = source.Prune();
Assert.IsFalse(owner.HasSubscriptions);
obs.Connect();
Assert.IsTrue(owner.HasSubscriptions);
}
public void Setup()
{
ev = new EventOwner();
obs = Observable.FromEvent<EventArgs>(e => ev.Event += e, e => ev.Event -= e);
}