public void RefCount_ConnectsOnFirst()
{
var scheduler = new TestScheduler();
var xs = scheduler.CreateHotObservable(
OnNext(210, 1),
OnNext(220, 2),
OnNext(230, 3),
OnNext(240, 4),
OnCompleted <int>(250)
);
var subject = new MySubject();
var conn = new ConnectableObservable <int>(xs, subject);
var res = scheduler.Start(() =>
conn.RefCount()
);
res.Messages.AssertEqual(
OnNext(210, 1),
OnNext(220, 2),
OnNext(230, 3),
OnNext(240, 4),
OnCompleted <int>(250)
);
Assert.True(subject.Disposed);
}
public void LazyRefCount_NotConnected()
{
var scheduler = new TestScheduler();
var disconnected = false;
var count = 0;
var xs = Observable.Defer(() =>
{
count++;
return(Observable.Create <int>(obs =>
{
return () => { disconnected = true; };
}));
});
var subject = new MySubject();
var conn = new ConnectableObservable <int>(xs, subject);
var refd = conn.RefCount(TimeSpan.FromTicks(20), scheduler);
var dis1 = refd.Subscribe();
Assert.Equal(1, count);
Assert.Equal(1, subject.SubscribeCount);
Assert.False(disconnected);
var dis2 = refd.Subscribe();
Assert.Equal(1, count);
Assert.Equal(2, subject.SubscribeCount);
Assert.False(disconnected);
dis1.Dispose();
Assert.False(disconnected);
dis2.Dispose();
Assert.False(disconnected);
scheduler.AdvanceBy(19);
Assert.False(disconnected);
scheduler.AdvanceBy(1);
Assert.True(disconnected);
disconnected = false;
var dis3 = refd.Subscribe();
Assert.Equal(2, count);
Assert.Equal(3, subject.SubscribeCount);
Assert.False(disconnected);
dis3.Dispose();
scheduler.AdvanceBy(20);
Assert.True(disconnected);
}
public void RefCount_NotConnected()
{
var disconnected = false;
var count = 0;
var xs = Observable.Defer(() =>
{
count++;
return(Observable.Create <int>(obs =>
{
return () => { disconnected = true; };
}));
});
var subject = new MySubject();
var conn = new ConnectableObservable <int>(xs, subject);
var refd = conn.RefCount();
var dis1 = refd.Subscribe();
Assert.Equal(1, count);
Assert.Equal(1, subject.SubscribeCount);
Assert.False(disconnected);
var dis2 = refd.Subscribe();
Assert.Equal(1, count);
Assert.Equal(2, subject.SubscribeCount);
Assert.False(disconnected);
dis1.Dispose();
Assert.False(disconnected);
dis2.Dispose();
Assert.True(disconnected);
disconnected = false;
var dis3 = refd.Subscribe();
Assert.Equal(2, count);
Assert.Equal(3, subject.SubscribeCount);
Assert.False(disconnected);
dis3.Dispose();
Assert.True(disconnected);
}