private static void CreationOps()
{
var ret = Observable.Return(3.14);
Dump(ret);
var range = Observable.Range(1, 5);
Dump(range);
var repeat = Observable.Repeat(range, 2);
Dump(repeat);
var starts = Observable.StartWith(Observable.Empty('z'), 's', 't', 'a', 'r', 't');
Dump(starts);
var toObs = new[] { 1, 1, 2, 3, 5, 8, 13 }.ToObservable();
Dump(toObs);
var timer = Observable.Timer(DateTime.Now + TimeSpan.FromSeconds(1), TimeSpan.FromSeconds(0.2)).Take(10);
Dump(timer);
var defaultIfEmpty = Observable.DefaultIfEmpty(Observable.Empty(0), 555);
Dump(defaultIfEmpty);
var create = Observable.Create(
(IObserver <string> observer) =>
{
Console.Write("Subscribed. ");
observer.OnNext("a");
observer.OnNext("b");
observer.OnCompleted();
Thread.Sleep(1000);
return(Disposable.Create(() => Console.WriteLine("Unsubscribed.")));
});
Dump(create);
}
public void DefaultIfEmpty_ArgumentChecking()
{
ReactiveAssert.Throws <ArgumentNullException>(() => Observable.DefaultIfEmpty(default(IObservable <int>)));
ReactiveAssert.Throws <ArgumentNullException>(() => Observable.DefaultIfEmpty(default, 42));