class RSpec::Mocks::Mock

def method_missing(sym, *args, &block)
    raise NoMethodError if sym == :to_ary
  __mock_proxy.record_message_received(sym, *args, &block)
  begin
    __mock_proxy.null_object? ? self : super
  rescue NameError
    __mock_proxy.raise_unexpected_message_error(sym, *args)
  end
end