public void SimpleSubject_Checks()
{
var s = new SimpleSubject <int>();
var o1 = s.CreateObserver();
var o2 = s.CreateObserver();
Assert.AreSame(o1, o2);
Assert.ThrowsException <ArgumentNullException>(() => s.Subscribe(null));
}
public void SimpleSubject_Basics_OnNext()
{
var s = new SimpleSubject <int>();
var o1 = s.CreateObserver();
o1.OnNext(42);
var s1 = new List <int>();
var d1 = s.Subscribe(x => s1.Add(x));
o1.OnNext(43);
var s2 = new List <int>();
var d2 = s.Subscribe(x => s2.Add(x));
o1.OnNext(44);
var s3 = new List <int>();
var d3 = s.Subscribe(x => s3.Add(x));
o1.OnNext(45);
d1.Dispose();
o1.OnNext(46);
d3.Dispose();
o1.OnNext(47);
var s4 = new List <int>();
var d4 = s.Subscribe(x => s4.Add(x));
o1.OnNext(48);
d2.Dispose();
d4.Dispose();
o1.OnNext(49);
var s5 = new List <int>();
var d5 = s.Subscribe(x => s5.Add(x));
o1.OnNext(50);
Assert.IsTrue(new[] { 43, 44, 45 }.SequenceEqual(s1));
Assert.IsTrue(new[] { 44, 45, 46, 47, 48 }.SequenceEqual(s2));
Assert.IsTrue(new[] { 45, 46 }.SequenceEqual(s3));
Assert.IsTrue(new[] { 48 }.SequenceEqual(s4));
Assert.IsTrue(new[] { 50 }.SequenceEqual(s5));
}
public void SimpleSubject_Basics_DoubleDisposeIsFine()
{
var s = new SimpleSubject <int>();
var o1 = s.CreateObserver();
var d = s.Subscribe(_ => { Assert.Fail(); });
d.Dispose();
o1.OnNext(42);
d.Dispose();
o1.OnNext(42);
}
public void SubscriptionStateVisitor_Basics()
{
var state = new MockOperatorStateContainer();
var writerFactory = state.CreateWriter();
var readerFactory = state.CreateReader();
var xs = new SimpleSubject <int>();
var o = xs.CreateObserver();
var ys = new Take <int>(xs, 5);
{
var s1 = ys.Subscribe(Observer.Create <int>(_ => { }, _ => { }, () => { }));
var v = new SubscriptionInitializeVisitor(s1);
v.Subscribe();
v.Start();
o.OnNext(42);
o.OnNext(43);
var sv = new SubscriptionStateVisitor(s1);
Assert.IsTrue(sv.HasStateChanged());
sv.SaveState(writerFactory);
Assert.IsTrue(sv.HasStateChanged());
sv.OnStateSaved();
Assert.IsFalse(sv.HasStateChanged());
o.OnNext(44);
o.OnNext(45);
Assert.IsTrue(sv.HasStateChanged());
}
{
var done = false;
var s2 = ys.Subscribe(Observer.Create <int>(_ => { }, _ => { }, () => { done = true; }));
var sv = new SubscriptionStateVisitor(s2);
sv.LoadState(readerFactory);
var v = new SubscriptionInitializeVisitor(s2);
v.Subscribe();
v.Start();
o.OnNext(46);
Assert.IsFalse(done);
o.OnNext(47);
Assert.IsFalse(done);
o.OnNext(48);
Assert.IsTrue(done);
}
}
