# File test/test_rrdtool.rb, line 47
  def test_dump
    # RRDtool.dump is not defined for older versions of RRDtool
    dump_file = "#{@f}.out"
    create_file
    create_data
    if RRDtool.version < 1.2015 then
      assert_raise NoMethodError do
        @r.dump dump_file
      end
    else
      @r.dump dump_file
      assert File.readable? dump_file
    end
    # cleanup
    File.delete dump_file if File.exists? dump_file
  end