public void AsObserver_Hides()
{
var obs = new MyObserver();
var res = obs.AsObserver();
Assert.IsFalse(object.ReferenceEquals(obs, res));
}
public void AsObserver_Forwards()
{
var obsn = new MyObserver();
obsn.AsObserver().OnNext(42);
Assert.AreEqual(obsn.HasOnNext, 42);
var ex = new Exception();
var obse = new MyObserver();
obse.AsObserver().OnError(ex);
Assert.AreSame(ex, obse.HasOnError);
var obsc = new MyObserver();
obsc.AsObserver().OnCompleted();
Assert.IsTrue(obsc.HasOnCompleted);
}