public void OnTerminate_Error()
{
var count = 0;
var ms = new MonocastSubject <int>(onTerminate: () => count++);
ms.OnError(new InvalidOperationException());
ms.OnError(new IndexOutOfRangeException());
Assert.AreEqual(1, count);
}
public void Async_Regular_Error_Delayed()
{
for (int i = 0; i < 2; i++)
{
var ts = new TestScheduler();
var subj = new MonocastSubject <int>();
var to = subj.ObserveOn(ts, true, fair: i == 0)
.Test()
.WithTag($"fair={i == 0}");
Assert.True(subj.HasObservers);
to.AssertEmpty();
subj.OnNext(1);
subj.OnNext(2);
subj.OnError(new InvalidOperationException());
to.AssertEmpty();
ts.AdvanceTimeBy(1);
to.AssertFailure(typeof(InvalidOperationException), 1, 2);
}
}
public void Offline_Error_Fused()
{
var ms = new MonocastSubject <int>();
var ex = new IndexOutOfRangeException();
ms.OnNext(1);
ms.OnNext(2);
ms.OnNext(3);
ms.OnError(ex);
Assert.False(ms.HasObservers);
Assert.True(ms.HasException());
Assert.False(ms.HasCompleted());
Assert.AreEqual(ex, ms.GetException());
var to = ms.Test(fusionMode: FusionSupport.Any);
Assert.False(ms.HasObservers);
to.AssertFuseable()
.AssertFusionMode(FusionSupport.Async);
to.AssertFailure(typeof(IndexOutOfRangeException), 1, 2, 3);
ms.Test().AssertFailure(typeof(InvalidOperationException));
}
public void Error_Delayed()
{
var us1 = new MonocastSubject <int>();
var us2 = new MonocastSubject <int>();
var to = ObservableSource.CombineLatest(a =>
{
int v = 0;
foreach (var e in a)
{
v += e;
}
return(v);
}, true, us1, us2).Test();
to.AssertEmpty();
us1.OnNext(1);
us1.OnError(new InvalidOperationException());
Assert.True(us2.HasObserver());
us2.EmitAll(10, 20, 30, 40, 50);
to.AssertFailure(typeof(InvalidOperationException), 11, 21, 31, 41, 51);
}
public void Online_Error()
{
var ms = new MonocastSubject <int>();
Assert.False(ms.HasObservers);
Assert.False(ms.HasException());
Assert.False(ms.HasCompleted());
Assert.Null(ms.GetException());
var to = ms.Test();
ms.Test().AssertFailure(typeof(InvalidOperationException));
Assert.True(ms.HasObservers);
Assert.False(ms.HasException());
Assert.False(ms.HasCompleted());
Assert.Null(ms.GetException());
to.AssertEmpty();
ms.OnNext(1);
to.AssertValuesOnly(1);
ms.OnNext(2);
to.AssertValuesOnly(1, 2);
ms.OnNext(3);
to.AssertValuesOnly(1, 2, 3);
var ex = new IndexOutOfRangeException();
ms.OnError(ex);
to.AssertFailure(typeof(IndexOutOfRangeException), 1, 2, 3);
Assert.False(ms.HasObservers);
Assert.True(ms.HasException());
Assert.False(ms.HasCompleted());
Assert.AreEqual(ex, ms.GetException());
ms.Test().AssertFailure(typeof(InvalidOperationException));
}
public void Error()
{
var us1 = new MonocastSubject <int>();
var us2 = new MonocastSubject <int>();
var to = ObservableSource.CombineLatest(a =>
{
int v = 0;
foreach (var e in a)
{
v += e;
}
return(v);
}, us1, us2).Test();
to.AssertEmpty();
us1.OnError(new InvalidOperationException());
Assert.False(us2.HasObserver());
to.AssertFailure(typeof(InvalidOperationException));
}
public void Race_With_Error()
{
var exc = new InvalidOperationException();
for (int i = 0; i < TestHelper.RACE_LOOPS; i++)
{
var us = new MonocastSubject <int>();
var to = new TestObserver <int>();
TestHelper.Race(() =>
{
for (int j = 0; j < 1000; j++)
{
us.OnNext(j);
}
us.OnError(exc);
},
() =>
{
try
{
foreach (var v in us.BlockingEnumerable())
{
to.OnNext(v);
}
} catch (Exception ex)
{
to.OnError(ex);
}
});
to.AssertValueCount(1000)
.AssertError(typeof(InvalidOperationException))
.AssertNotCompleted();
}
}
public void Error_Second_Source()
{
var us1 = new MonocastSubject <int>();
var us2 = new MonocastSubject <int>();
var to = ObservableSource.Zip(a =>
{
int s = 0;
foreach (var v in a)
{
s += v;
}
return(s);
},
us1,
us2
).Test();
us1.OnNext(1);
to.AssertEmpty();
us1.OnNext(2);
to.AssertEmpty();
us2.OnNext(10);
to.AssertValuesOnly(11);
us2.OnError(new InvalidOperationException());
Assert.False(us1.HasObserver());
to.AssertFailure(typeof(InvalidOperationException), 11);
}