public void error_is_fired_on_error_from_either_source()
{
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.OnError(new Exception());
Assert.IsTrue(stats.ErrorCalled);
}
public void error_is_fired_on_error_from_either_source()
{
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.OnError(new Exception());
Assert.IsTrue(stats.ErrorCalled);
}
public void subscribes_to_both_sources()
{
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);
Assert.AreEqual(1, subjectA.SubscriptionCount);
Assert.AreEqual(1, subjectB.SubscriptionCount);
Assert.IsFalse(stats.CompletedCalled);
}
public void unsubscribes_from_both_sequences_on_error()
{
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.OnError(new Exception());
Assert.AreEqual(0, subjectA.SubscriptionCount);
Assert.AreEqual(0, subjectB.SubscriptionCount);
}
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 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 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 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 unsubscribes_from_both_sequences_when_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.OnCompleted();
subjectB.OnCompleted();
Assert.AreEqual(0, subjectA.SubscriptionCount);
Assert.AreEqual(0, subjectB.SubscriptionCount);
}
public void subscribes_to_both_sources()
{
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);
Assert.AreEqual(1, subjectA.SubscriptionCount);
Assert.AreEqual(1, subjectB.SubscriptionCount);
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);
}