puts "============"
puts "OCC20823"
puts "============"
puts ""
#######################################################################
# BRepFilletAPI_MakeFillet2d fails to build a chamfer
#######################################################################

set BugNumber OCC20823

restore [locate_data_file OCC20823.brep] a 
mkplane f a
explode f e

if [catch { chfi2d result f f_1 f_2 CDD 10. 10. } ] {
  puts "Faulty ${BugNumber} : chfi2d is wrong"
} else {
checkprops result -l 267.795 
checksection result

checknbshapes result -vertex 4 -edge 3 -wire 1 -face 1 -shell 0 -solid 0 -compsolid 0 -compound 0 -shape 9
}

checkview -display result -2d -path ${imagedir}/${test_image}.png