public void TestBasicCase()
{
const long expectedNumberOfEvents = 2;
long actualNumberOfEvents = 0;
IObservableDictionary <string, string> obsDict = new ObservableDictionary <string, string>();
obsDict.GetOrAdd("existing", c => "existing");
IDisposable d = obsDict.Subscribe(
c =>
{
actualNumberOfEvents++;
Console.WriteLine($" {c.EventType} {c.Key} {c.Value} [ {c.StateOfWorld} ]");
}
);
obsDict.GetOrAdd("next", c => "next");
Assert.Equal(expectedNumberOfEvents, actualNumberOfEvents);
IDisposable d2 = obsDict.Subscribe(
c =>
{
actualNumberOfEvents++;
Console.WriteLine($" -----> {c.EventType} {c.Key} {c.Value} [ {c.StateOfWorld} ]");
}
);
obsDict.GetOrAdd("next11", c => "next11");
}