C# (CSharp) Observable.Count示例

示例#1

 public void Count_ArgumentChecking()
 {
     ReactiveAssert.Throws <ArgumentNullException>(() => Observable.Count(default(IObservable <int>)));
     ReactiveAssert.Throws <ArgumentNullException>(() => Observable.Count(default(IObservable <int>), _ => true));
     ReactiveAssert.Throws <ArgumentNullException>(() => Observable.Count(DummyObservable <int> .Instance, default(Func <int, bool>)));
 }