public void Mapper_Crashes()
{
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;
}
if (s == 33)
{
throw new InvalidOperationException();
}
return(s);
},
us1,
us2
).Test();
us1.Emit(1, 2, 3);
Assert.True(us1.HasObserver());
Assert.True(us2.HasObserver());
us2.Emit(10, 20, 30, 40);
Assert.False(us1.HasObserver());
Assert.False(us2.HasObserver());
to.AssertFailure(typeof(InvalidOperationException), 11, 22);
}
public void Error_Delayed()
{
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);
}, true,
us1,
us2
).Test();
us1.EmitError(new InvalidOperationException(), 1, 2, 3);
Assert.True(us2.HasObserver(), "us2: No observers!");
us2.Emit(10, 20, 30, 40);
Assert.False(us2.HasObserver(), "us2: Observers present!");
to.AssertFailure(typeof(InvalidOperationException), 11, 22, 33);
}
public void Basic_DelayErrors_Fused()
{
ObservableSource.Zip(a =>
{
int s = 0;
foreach (var v in a)
{
s += v;
}
return(s);
}, true,
ObservableSource.Range(1, 5),
ObservableSource.Range(10, 5)
).Test()
.AssertResult(10 + 1, 11 + 2, 12 + 3, 13 + 4, 14 + 5);
}
public void Second_Shorter()
{
ObservableSource.Zip(a =>
{
int s = 0;
foreach (var v in a)
{
s += v;
}
return(s);
},
ObservableSource.Range(1, 5),
ObservableSource.Range(10, 4)
).Test()
.AssertResult(10 + 1, 11 + 2, 12 + 3, 13 + 4);
}
public void Basic()
{
ObservableSource.Zip(a =>
{
int s = 0;
foreach (var v in a)
{
s += v;
}
return(s);
},
ObservableSource.Range(1, 5).Hide(),
ObservableSource.Range(10, 5).Hide()
).Test()
.AssertResult(10 + 1, 11 + 2, 12 + 3, 13 + 4, 14 + 5);
}
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);
}