public void TestEventArgsPublish ()
{
var registry = new EventRegistry();
var actual = 0;
registry.Subscribe<EventArgs>((object sender, EventArgs e) => actual++);
Assert.True(registry.Contains(typeof(EventArgs)));
var eventArgs = new EventArgs();
registry.Publish(eventArgs);
Assert.Equal(1, actual);
}
public void TestFooEventArgsPublish ()
{
var registry = new EventRegistry();
// ** Verify that the event was subscribed
registry.Subscribe<FooEventArgs>(IncrementCount);
Assert.True(registry.Contains(typeof(FooEventArgs)));
var eventArgs = new FooEventArgs();
// ** Verify that the event was published.
registry.Publish(eventArgs);
Assert.Equal(1, eventArgs.Count);
}
public void TestEventArgsUnsubscribe ()
{
var registry = new EventRegistry();
var actual = 0;
// ** Create the event handler...
EventHandler<EventArgs> eh = (object sender, EventArgs e) => actual++;
// ** Subscribe and assert that the event handler was in fact added to the registry...
registry.Subscribe<EventArgs>(eh);
Assert.True(registry.Contains(typeof(EventArgs)));
// ** Unsubscribe the event handler; the provider created from it should still be there...
registry.Unsubscribe<EventArgs>(eh);
Assert.True(registry.Contains(typeof(EventArgs)));
// ** Publish the event, the actual value should be unmodified (because the handler was removed).
var eventArgs = new EventArgs();
registry.Publish(eventArgs);
Assert.Equal(0, actual);
}