public void DeregisterHandlers_NullLog_ThrowsArgumentNullException()
{
var eventManager = Mock.Of <IEventManager>();
Assert.Throws <ArgumentNullException>(
() => IEventManagerExtensions.DeregisterHandlers(eventManager, new object(), null !));
}
public void DeregisterHandlers_NullObj_ThrowsArgumentNullException()
{
var eventManager = Mock.Of <IEventManager>();
var log = Mock.Of <ILogger>();
Assert.Throws <ArgumentNullException>(
() => IEventManagerExtensions.DeregisterHandlers(eventManager, null !, log));
}