# File test/test_rrdtool.rb, line 64
  def test_fetch
    assert_raise RRDtoolError do
      @r.fetch ["AVERAGE"]
    end
    create_file
    create_data
    fary = @r.fetch ["AVERAGE"]
    assert_not_nil fary
    assert !fary.empty?
    #assert_equals expected_data_points, fary[3]
    # LATER: test rrd.fetch ["AVERAGE", "LAST"]
  end