public void AddListener_Interface_ListenerIsAdded()
{
var e = new Event(0);
var listener = new InterfaceListener(null);
e.AddListener(listener);
Assert.IsTrue(e.HasListener(listener));
}
public void RemoveListener_Interface_ListenerIsRemoved()
{
var e = new Event(0);
var listener = new InterfaceListener(null);
e.AddListener(listener);
e.RemoveListener(listener);
Assert.IsFalse(e.HasListener(listener));
}
public void RemoveListener_Empty_NoChange()
{
var e = new Event(0);
var interfaceListener = new InterfaceListener(null);
Action delegateListener = () => { };
e.RemoveListener(interfaceListener);
e.RemoveListener(delegateListener);
Assert.IsEmpty(e.Listeners);
}
protected override void OnSetUp()
{
base.OnSetUp();
eventAggregator = new EventAggregator(new EventAggregator.Config {
SupportMessageInheritance = true
});
level1Listener = new Level1Listener();
level2Listener = new Level2Listener();
interfaceListener = new InterfaceListener();
eventAggregator.AddListener(level1Listener);
eventAggregator.AddListener(level2Listener);
eventAggregator.AddListener(interfaceListener);
}
public void Invoke_AddListener_ListenerIsAddedNextCall()
{
var wasCalled = false;
var e = new Event(0);
var secondListener = new InterfaceListener(() => wasCalled = true);
var firstListener = new InterfaceListener(() => e.AddListener(secondListener));
e.AddListener(firstListener);
e.Invoke();
Assert.IsFalse(wasCalled);
e.Invoke();
Assert.IsTrue(wasCalled);
}
