# File test/test_rrdtool.rb, line 93 def test_graph create_file create_data RRDtool.graph( [@g, "--title", " RubyRRD Demo", "--start", "#{@start} + 1 h", "--end", "#{@start} + 1000 min", "--interlace", "--imgformat", "PNG", "--width=450", "DEF:a=#{@f}:a:AVERAGE", "DEF:b=#{@f}:b:AVERAGE", "CDEF:line=TIME,2400,%,300,LT,a,UNKN,IF", "AREA:b#00b6e4:beta", "AREA:line#0022e9:alpha", "LINE3:line#ff0000"]) assert File.exists?(@g) end