public void AddEventHandlerToCalculator()
{
Listener listener = new Listener();
Calculator calculator = new Calculator();
FunctionWrapper <int, int, int, Action <int, int> > wrapper = new FunctionWrapper <int, int, int, Action <int, int> >(listener, null);
typeof(Calculator).GetEvent("MyEvent").AddEventHandler(calculator, wrapper.CreateActionDelegate());
calculator.Add(1, 2);
Assert.AreEqual(1, listener.X);
Assert.AreEqual(2, listener.Y);
MethodInfo invoke = typeof(Calculator).GetEvent("MyEvent").EventHandlerType.GetMethod("Invoke");
MethodInfo add = typeof(Calculator).GetEvent("MyEvent").GetAddMethod();
Assert.IsNotNull(add);
Assert.AreEqual(1, add.GetParameters().Count());
Assert.IsNotNull(invoke);
var parameters = invoke.GetParameters();
var returnparameter = invoke.ReturnParameter;
Assert.IsNotNull(returnparameter);
Assert.AreEqual("System.Void", returnparameter.ParameterType.FullName);
Assert.AreEqual(typeof(MyEvent), typeof(Person).GetEvent("NameEvent").EventHandlerType);
}
public void CreateActionDelegate()
{
Context environment = new Context();
Runner function = new Runner();
FunctionWrapper wrapper = new FunctionWrapper(function, environment);
var @delegate = wrapper.CreateActionDelegate();
@delegate.DynamicInvoke();
Assert.IsTrue(function.WasInvoked);
}
