public void Syntax_InstanceEvent()
{
var obj = new SampleObject();
var mirror = Mirror.ForObject(obj);
Assert.AreEqual("InstanceCustomEvent", mirror["InstanceCustomEvent"].MemberInfo.Name);
// adding/removing null should work event though no handlers will be registered
mirror["InstanceCustomEvent"].AddHandler((Delegate)null);
mirror["InstanceCustomEvent"].AddHandler((EventHandler)null);
mirror["InstanceCustomEvent"].AddHandler((EventHandler <EventArgs>)null);
mirror["InstanceCustomEvent"].RemoveHandler((Delegate)null);
mirror["InstanceCustomEvent"].RemoveHandler((EventHandler)null);
mirror["InstanceCustomEvent"].RemoveHandler((EventHandler <EventArgs>)null);
Assert.AreEqual(6, obj.instanceCustomEventAddRemoveCount);
Assert.IsNull(obj.instanceCustomEvent);
// adding other handlers
int handled = 0;
SampleObject.CustomEventHandler nonCoercedHandler = (sender, e) => { handled++; };
mirror["InstanceCustomEvent"].AddHandler(nonCoercedHandler);
mirror["InstanceCustomEvent"].AddHandler((sender, e) => { handled++; }); // coerced
mirror["InstanceCustomEvent"].AddHandler <EventArgs>((sender, e) => { handled++; }); // coerced
Assert.AreEqual(9, obj.instanceCustomEventAddRemoveCount);
Assert.IsNotNull(obj.instanceCustomEvent);
obj.RaiseInstanceCustomEvent();
Assert.AreEqual(3, handled);
// remove handler (non-coerced only)
mirror["InstanceCustomEvent"].RemoveHandler(nonCoercedHandler);
Assert.AreEqual(10, obj.instanceCustomEventAddRemoveCount);
Assert.IsNotNull(obj.instanceCustomEvent);
obj.RaiseInstanceCustomEvent();
Assert.AreEqual(5, handled);
}