public void manager_approve_leave_chain_by_ChainOfResponsibility()
{
ManagerHandler manager = new Manager("Manager");
ManagerHandler director = new DirectorManager("Director");
ManagerHandler generalManager = new GeneralManager("GenerManager");
manager.SetUpManager(director);
director.SetUpManager(generalManager);
var request = new LeaveRequest();
request.Name = "Harry";
request.Days = 1;
manager.ApplyLeaveRequest(request);
request.Days = 4;
manager.ApplyLeaveRequest(request);
request.Days = 7;
manager.ApplyLeaveRequest(request);
}
abstract public void ApplyLeaveRequest(LeaveRequest leaveRequest);