public void Case_ArgumentChecking()
{
ReactiveAssert.Throws <ArgumentNullException>(() => Observable.Case(null, new Dictionary <int, IObservable <int> >(), DummyObservable <int> .Instance));
ReactiveAssert.Throws <ArgumentNullException>(() => Observable.Case(DummyFunc <int> .Instance, null, DummyObservable <int> .Instance));
ReactiveAssert.Throws <ArgumentNullException>(() => Observable.Case(DummyFunc <int> .Instance, new Dictionary <int, IObservable <int> >(), default(IObservable <int>)));
ReactiveAssert.Throws <ArgumentNullException>(() => Observable.Case(null, new Dictionary <int, IObservable <int> >(), DummyScheduler.Instance));
ReactiveAssert.Throws <ArgumentNullException>(() => Observable.Case <int, int>(DummyFunc <int> .Instance, null, DummyScheduler.Instance));
ReactiveAssert.Throws <ArgumentNullException>(() => Observable.Case(DummyFunc <int> .Instance, new Dictionary <int, IObservable <int> >(), default(IScheduler)));
ReactiveAssert.Throws <ArgumentNullException>(() => Observable.Case(null, new Dictionary <int, IObservable <int> >()));
ReactiveAssert.Throws <ArgumentNullException>(() => Observable.Case <int, int>(DummyFunc <int> .Instance, null));
}
public void Case_Two()
{
var scheduler = new TestScheduler();
var xs = scheduler.CreateHotObservable(
OnNext(210, 1),
OnNext(240, 2),
OnNext(270, 3),
OnCompleted <int>(300)
);
var ys = scheduler.CreateHotObservable(
OnNext(220, 11),
OnNext(250, 12),
OnNext(280, 13),
OnCompleted <int>(310)
);
var zs = scheduler.CreateHotObservable(
OnNext(230, 21),
OnNext(240, 22),
OnNext(290, 23),
OnCompleted <int>(320)
);
var map = new Dictionary <int, IObservable <int> >
{
{ 1, xs },
{ 2, ys }
};
var results = scheduler.Start(() => Observable.Case(() => 2, map, zs));
results.Messages.AssertEqual(
OnNext(220, 11),
OnNext(250, 12),
OnNext(280, 13),
OnCompleted <int>(310)
);
xs.Subscriptions.AssertEqual(
);
ys.Subscriptions.AssertEqual(
Subscribe(200, 310)
);
zs.Subscriptions.AssertEqual(
);
}
public void empty_is_returned_if_lookup_key_is_invalid()
{
Dictionary <string, IObservable <int> > dictionary = new Dictionary <string, IObservable <int> >()
{
{ "keyA", Observable.Return(1) },
{ "keyB", Observable.Return(2) },
{ "keyC", Observable.Return(3) }
};
StatsObserver <int> stats = new StatsObserver <int>();
Observable.Case(() => "keyD", dictionary)
.Subscribe(stats);
Assert.IsFalse(stats.NextCalled);
Assert.IsTrue(stats.CompletedCalled);
}
public void lookup_value_is_subscribed_to()
{
Dictionary <string, IObservable <int> > dictionary = new Dictionary <string, IObservable <int> >()
{
{ "keyA", Observable.Return(1) },
{ "keyB", Observable.Return(2) },
{ "keyC", Observable.Return(3) }
};
StatsObserver <int> stats = new StatsObserver <int>();
Observable.Case(() => "keyB", dictionary)
.Subscribe(stats);
Assert.AreEqual(1, stats.NextCount);
Assert.AreEqual(2, stats.NextValues[0]);
Assert.IsTrue(stats.CompletedCalled);
}
public void error_is_raised_if_selector_throws_exception()
{
Dictionary <string, IObservable <int> > dictionary = new Dictionary <string, IObservable <int> >()
{
{ "keyA", Observable.Return(1) },
{ "keyB", Observable.Return(2) },
{ "keyC", Observable.Return(3) }
};
StatsObserver <int> stats = new StatsObserver <int>();
Exception exception = new ArgumentException();
Observable.Case(() => { throw exception; }, dictionary)
.Subscribe(stats);
Assert.IsTrue(stats.ErrorCalled);
Assert.AreEqual(exception, stats.Error);
}
public void Case_Error()
{
var scheduler = new TestScheduler();
var ex = new Exception();
var xs = scheduler.CreateHotObservable(
OnNext(210, 1),
OnNext(240, 2),
OnNext(270, 3),
OnError <int>(300, ex)
);
var ys = scheduler.CreateHotObservable(
OnNext(220, 11),
OnNext(250, 12),
OnNext(280, 13),
OnCompleted <int>(310)
);
var map = new Dictionary <int, IObservable <int> >
{
{ 1, xs },
{ 2, ys }
};
var results = scheduler.Start(() => Observable.Case(() => 1, map, scheduler));
results.Messages.AssertEqual(
OnNext(210, 1),
OnNext(240, 2),
OnNext(270, 3),
OnError <int>(300, ex)
);
xs.Subscriptions.AssertEqual(
Subscribe(200, 300)
);
ys.Subscriptions.AssertEqual(
);
}
public void CaseWithDefault_Three()
{
var scheduler = new TestScheduler();
var xs = scheduler.CreateHotObservable(
OnNext(210, 1),
OnNext(240, 2),
OnNext(270, 3),
OnCompleted <int>(300)
);
var ys = scheduler.CreateHotObservable(
OnNext(220, 11),
OnNext(250, 12),
OnNext(280, 13),
OnCompleted <int>(310)
);
var map = new Dictionary <int, IObservable <int> >
{
{ 1, xs },
{ 2, ys }
};
var results = scheduler.Start(() => Observable.Case(() => 3, map, scheduler));
results.Messages.AssertEqual(
OnCompleted <int>(201)
);
xs.Subscriptions.AssertEqual(
);
ys.Subscriptions.AssertEqual(
);
}
public void CaseWithDefault_CheckDefault()
{
Observable.Case(() => 1, new Dictionary <int, IObservable <int> >(), DefaultScheduler.Instance)
.AssertEqual(Observable.Case(() => 1, new Dictionary <int, IObservable <int> >()));
}