public void RemoveRegisteredDelegates()
{
MockDelegateTarget mockDelegateTarget1 = new MockDelegateTarget();
MockDelegateTarget mockDelegateTarget2 = new MockDelegateTarget();
var weakMulticastDelegate = new WeakMulticastDelegate <Action <object> >();
weakMulticastDelegate.Add(mockDelegateTarget1.DelegateMethod);
weakMulticastDelegate.Add(mockDelegateTarget2.DelegateMethod);
weakMulticastDelegate.Add(mockDelegateTarget1.DelegateMethod2);
weakMulticastDelegate.Add(mockDelegateTarget2.DelegateMethod2);
weakMulticastDelegate.Add(MockStaticDelegateTarget.DelegateMethod);
weakMulticastDelegate.Remove(mockDelegateTarget1.DelegateMethod);
weakMulticastDelegate.Remove(mockDelegateTarget1.DelegateMethod); // Remove twice
weakMulticastDelegate.Remove(mockDelegateTarget2.DelegateMethod);
weakMulticastDelegate.Remove(mockDelegateTarget2.DelegateMethod2);
weakMulticastDelegate.Remove(MockStaticDelegateTarget.DelegateMethod);
MockStaticDelegateTarget.Clear();
object parameter = new object();
weakMulticastDelegate.Invoke(parameter);
Assert.IsFalse(mockDelegateTarget1.DelegateCalled);
Assert.IsFalse(mockDelegateTarget2.DelegateCalled);
Assert.IsTrue(mockDelegateTarget1.DelegateCalled2);
Assert.IsFalse(mockDelegateTarget2.DelegateCalled2);
Assert.IsFalse(MockStaticDelegateTarget.DelegateCalled);
Assert.AreSame(parameter, mockDelegateTarget1.DelegateParameter2);
}
public void RetrieveDelegateOfStaticMethod()
{
var weakDelegate = new WeakDelegate <Action <object> >(MockStaticDelegateTarget.DelegateMethod);
MockStaticDelegateTarget.Clear();
object dummyParameter = new object();
Delegate d = weakDelegate.Delegate;
d.DynamicInvoke(dummyParameter);
Assert.IsTrue(MockStaticDelegateTarget.DelegateCalled);
Assert.AreSame(dummyParameter, MockStaticDelegateTarget.DelegateParameter);
}
public void IsAlwaysValidForStaticMethods()
{
var weakDelegate = new WeakDelegate <Action <object> >(MockStaticDelegateTarget.DelegateMethod);
GC.Collect();
Assert.IsTrue(weakDelegate.IsAlive);
MockStaticDelegateTarget.Clear();
object dummyParameter = new object();
weakDelegate.Invoke(dummyParameter);
Assert.IsTrue(MockStaticDelegateTarget.DelegateCalled);
Assert.AreSame(dummyParameter, MockStaticDelegateTarget.DelegateParameter);
}
