public void scheduler_is_not_used_when_count_great_than_zero()
{
var scheduler = new ManualScheduler();
var subject = new StatsSubject <int>();
var stats = new StatsObserver <int>();
subject.Take(3, scheduler).Subscribe(stats);
subject.OnNext(0);
subject.OnNext(1);
subject.OnNext(2);
Assert.AreEqual(0, scheduler.QueueSize);
}
public void scheduler_is_not_used_when_count_great_than_zero()
{
var scheduler = new ManualScheduler();
var subject = new StatsSubject<int>();
var stats = new StatsObserver<int>();
subject.Take(3, scheduler).Subscribe(stats);
subject.OnNext(0);
subject.OnNext(1);
subject.OnNext(2);
Assert.AreEqual(0, scheduler.QueueSize);
}
public void last_value_is_still_used_after_complete()
{
StatsSubject <int> subjectA = new StatsSubject <int>();
StatsSubject <int> subjectB = new StatsSubject <int>();
var stats = new StatsObserver <string>();
subjectA.CombineLatest(subjectB, (a, b) => String.Concat(a.ToString(), ",", b.ToString()))
.Subscribe(stats);
subjectA.OnNext(1);
subjectA.OnCompleted();
subjectB.OnNext(2);
subjectB.OnNext(3);
Assert.AreEqual(2, stats.NextCount);
Assert.AreEqual("1,2", stats.NextValues[0]);
Assert.AreEqual("1,3", stats.NextValues[1]);
Assert.IsFalse(stats.CompletedCalled);
}
public void reuses_values()
{
StatsSubject <int> subjectA = new StatsSubject <int>();
StatsSubject <int> subjectB = new StatsSubject <int>();
var stats = new StatsObserver <string>();
subjectA.CombineLatest(subjectB, (a, b) => String.Concat(a.ToString(), ",", b.ToString()))
.Subscribe(stats);
subjectA.OnNext(1);
subjectB.OnNext(2);
subjectA.OnNext(3);
subjectB.OnNext(4);
Assert.AreEqual(3, stats.NextCount);
Assert.AreEqual("1,2", stats.NextValues[0]);
Assert.AreEqual("3,2", stats.NextValues[1]);
Assert.AreEqual("3,4", stats.NextValues[2]);
Assert.IsFalse(stats.CompletedCalled);
}
public void operations_are_passed_on_once_connected()
{
StatsObserver <int> stats = new StatsObserver <int>();
StatsSubject <int> source = new StatsSubject <int>();
StatsSubject <int> subject = new StatsSubject <int>();
ConnectableObservable <int> connectable = new ConnectableObservable <int>(source, subject);
var sub = connectable.Subscribe(stats);
source.OnNext(0);
connectable.Connect();
source.OnNext(1);
Assert.IsTrue(stats.NextCalled);
Assert.AreEqual(1, stats.NextValues[0]);
Assert.IsFalse(stats.CompletedCalled);
Assert.IsFalse(stats.ErrorCalled);
}
public void operation_order_is_honoured_prior_to_connection()
{
StatsObserver <int> stats = new StatsObserver <int>();
StatsSubject <int> source = new StatsSubject <int>();
StatsSubject <int> subject = new StatsSubject <int>();
ConnectableObservable <int> connectable = new ConnectableObservable <int>(source, subject);
var sub = connectable.Subscribe(stats);
source.OnNext(0);
source.OnCompleted();
connectable.Connect();
source.OnNext(1);
Assert.IsFalse(stats.NextCalled);
Assert.IsFalse(stats.CompletedCalled);
Assert.IsFalse(stats.ErrorCalled);
}
public void emits_combinations_of_the_latest_values()
{
StatsSubject <int> subjectA = new StatsSubject <int>();
StatsSubject <int> subjectB = new StatsSubject <int>();
var stats = new StatsObserver <string>();
subjectA.CombineLatest(subjectB, (a, b) => String.Concat(a.ToString(), ",", b.ToString()))
.Subscribe(stats);
subjectA.OnNext(1);
subjectB.OnNext(2);
Assert.AreEqual(1, stats.NextCount);
Assert.AreEqual("1,2", stats.NextValues[0]);
Assert.IsFalse(stats.CompletedCalled);
}
public void emits_combinations_of_the_latest_values()
{
StatsSubject<int> subjectA = new StatsSubject<int>();
StatsSubject<int> subjectB = new StatsSubject<int>();
var stats = new StatsObserver<string>();
subjectA.CombineLatest(subjectB, (a, b) => String.Concat(a.ToString(), ",", b.ToString()))
.Subscribe(stats);
subjectA.OnNext(1);
subjectB.OnNext(2);
Assert.AreEqual(1, stats.NextCount);
Assert.AreEqual("1,2", stats.NextValues[0]);
Assert.IsFalse(stats.CompletedCalled);
}
public void values_are_received_by_all_subscriptions()
{
var subject = new StatsSubject <int>();
var statsA = new StatsObserver <int>();
var statsB = new StatsObserver <int>();
var refCount = subject.Publish().RefCount();
var subscriptionA = refCount.Subscribe(statsA);
var subscriptionB = refCount.Subscribe(statsB);
subject.OnNext(0);
Assert.AreEqual(1, statsA.NextCount);
Assert.AreEqual(1, statsB.NextCount);
}
public void values_send_before_completion_are_ignored()
{
StatsObserver <int> stats = new StatsObserver <int>();
StatsSubject <int> source = new StatsSubject <int>();
StatsSubject <int> subject = new StatsSubject <int>();
ConnectableObservable <int> connectable = new ConnectableObservable <int>(source, subject);
var sub = connectable.Subscribe(stats);
source.OnNext(0);
source.OnCompleted();
source.OnError(new Exception());
Assert.IsFalse(stats.NextCalled);
Assert.IsFalse(stats.CompletedCalled);
Assert.IsFalse(stats.ErrorCalled);
}
public void complete_is_fired_when_both_sequences_complete()
{
StatsSubject <int> subjectA = new StatsSubject <int>();
StatsSubject <int> subjectB = new StatsSubject <int>();
var stats = new StatsObserver <string>();
subjectA.CombineLatest(subjectB, (a, b) => String.Concat(a.ToString(), ",", b.ToString()))
.Subscribe(stats);
subjectA.OnNext(1);
subjectA.OnCompleted();
subjectB.OnNext(2);
subjectB.OnCompleted();
Assert.AreEqual(1, stats.NextCount);
Assert.AreEqual("1,2", stats.NextValues[0]);
Assert.IsTrue(stats.CompletedCalled);
}
public void complete_is_fired_when_both_sequences_complete()
{
StatsSubject<int> subjectA = new StatsSubject<int>();
StatsSubject<int> subjectB = new StatsSubject<int>();
var stats = new StatsObserver<string>();
subjectA.CombineLatest(subjectB, (a, b) => String.Concat(a.ToString(), ",", b.ToString()))
.Subscribe(stats);
subjectA.OnNext(1);
subjectA.OnCompleted();
subjectB.OnNext(2);
subjectB.OnCompleted();
Assert.AreEqual(1, stats.NextCount);
Assert.AreEqual("1,2", stats.NextValues[0]);
Assert.IsTrue(stats.CompletedCalled);
}
public void operations_are_passed_on_once_connected()
{
StatsObserver<int> stats = new StatsObserver<int>();
StatsSubject<int> source = new StatsSubject<int>();
StatsSubject<int> subject = new StatsSubject<int>();
ConnectableObservable<int> connectable = new ConnectableObservable<int>(source, subject);
var sub = connectable.Subscribe(stats);
source.OnNext(0);
connectable.Connect();
source.OnNext(1);
Assert.IsTrue(stats.NextCalled);
Assert.AreEqual(1, stats.NextValues[0]);
Assert.IsFalse(stats.CompletedCalled);
Assert.IsFalse(stats.ErrorCalled);
}
public void last_value_is_still_used_after_complete()
{
StatsSubject<int> subjectA = new StatsSubject<int>();
StatsSubject<int> subjectB = new StatsSubject<int>();
var stats = new StatsObserver<string>();
subjectA.CombineLatest(subjectB, (a, b) => String.Concat(a.ToString(), ",", b.ToString()))
.Subscribe(stats);
subjectA.OnNext(1);
subjectA.OnCompleted();
subjectB.OnNext(2);
subjectB.OnNext(3);
Assert.AreEqual(2, stats.NextCount);
Assert.AreEqual("1,2", stats.NextValues[0]);
Assert.AreEqual("1,3", stats.NextValues[1]);
Assert.IsFalse(stats.CompletedCalled);
}
public void reuses_values()
{
StatsSubject<int> subjectA = new StatsSubject<int>();
StatsSubject<int> subjectB = new StatsSubject<int>();
var stats = new StatsObserver<string>();
subjectA.CombineLatest(subjectB, (a, b) => String.Concat(a.ToString(), ",", b.ToString()))
.Subscribe(stats);
subjectA.OnNext(1);
subjectB.OnNext(2);
subjectA.OnNext(3);
subjectB.OnNext(4);
Assert.AreEqual(3, stats.NextCount);
Assert.AreEqual("1,2", stats.NextValues[0]);
Assert.AreEqual("3,2", stats.NextValues[1]);
Assert.AreEqual("3,4", stats.NextValues[2]);
Assert.IsFalse(stats.CompletedCalled);
}
public void operation_order_is_honoured_prior_to_connection()
{
StatsObserver<int> stats = new StatsObserver<int>();
StatsSubject<int> source = new StatsSubject<int>();
StatsSubject<int> subject = new StatsSubject<int>();
ConnectableObservable<int> connectable = new ConnectableObservable<int>(source, subject);
var sub = connectable.Subscribe(stats);
source.OnNext(0);
source.OnCompleted();
connectable.Connect();
source.OnNext(1);
Assert.IsFalse(stats.NextCalled);
Assert.IsFalse(stats.CompletedCalled);
Assert.IsFalse(stats.ErrorCalled);
}
public void values_are_not_received_by_unsubscribed_observers()
{
var subject = new StatsSubject<int>();
var statsA = new StatsObserver<int>();
var statsB = new StatsObserver<int>();
var refCount = subject.Publish().RefCount();
var subscriptionA = refCount.Subscribe(statsA);
refCount.Subscribe(statsB).Dispose();
subject.OnNext(0);
Assert.AreEqual(1, statsA.NextCount);
Assert.AreEqual(0, statsB.NextCount);
}
public void values_send_before_completion_are_ignored()
{
StatsObserver<int> stats = new StatsObserver<int>();
StatsSubject<int> source = new StatsSubject<int>();
StatsSubject<int> subject = new StatsSubject<int>();
ConnectableObservable<int> connectable = new ConnectableObservable<int>(source, subject);
var sub = connectable.Subscribe(stats);
source.OnNext(0);
source.OnCompleted();
source.OnError(new Exception());
Assert.IsFalse(stats.NextCalled);
Assert.IsFalse(stats.CompletedCalled);
Assert.IsFalse(stats.ErrorCalled);
}
public void values_are_emitted_during_open_windows()
{
left.OnNext(0);
right.OnNext(0);
right.OnNext(1);
left.OnNext(1);
right.OnNext(2);
Assert.AreEqual(new string[]
{
"0,0", "0,1", "1,0", "1,1", "0,2", "1,2"
}, stats.NextValues);
}
public void values_can_be_emitted_from_the_right_first()
{
right.OnNext(0);
left.OnNext(0);
left.OnNext(1);
right.OnNext(1);
Assert.AreEqual(new string[]
{
"0,0", "1,0", "0,1", "1,1"
}, stats.NextValues);
}