# File lib/flexmock/expectation.rb, line 264
264:     def ordered(group_name=nil)
265:       if group_name.nil?
266:         @order_number = @mock.mock_allocate_order
267:       elsif (num = @mock.mock_groups[group_name])
268:         @order_number = num
269:       else
270:         @order_number = @mock.mock_allocate_order
271:         @mock.mock_groups[group_name] = @order_number
272:       end
273:       self
274:     end