public async Task SimpleEventHoldsWeakReference()
{
var eventFirer = new EventFirer();
WeakReference reference;
{
var handler = new Handler <EventArgs>();
reference = new WeakReference(handler);
eventFirer.MySimpleEvent += handler.HandleEvent;
eventFirer.OnMySimpleEvent();
}
var pos = 0;
while (reference.Target != null && pos < 10)
{
await Task.Delay(1000);
GC.Collect();
GC.WaitForPendingFinalizers();
eventFirer.OnMyEvent("HelloWorld");
pos++;
}
reference.Target.Should().BeNull();
GC.KeepAlive(eventFirer);
}
public void FiringSimpleEventFiresToHandler()
{
var fired = false;
var eventFirer = new EventFirer();
eventFirer.MySimpleEvent += (s, e) => { fired = true; };
eventFirer.OnMySimpleEvent();
fired.Should().BeTrue();
}