puts "========"
puts "OCC25858"
puts "========"
puts ""
##########################################################################################################
# Incorrect result of open offset on single edge based on BSpline curve
##########################################################################################################

restore [locate_data_file bug25858_hf2d.brep] ff

explode ff

smallview
donly ff_1
fit
display ff

openoffset res ff 1 0.1
renamevar res_1 result

checknbshapes result -vertex 2 -edge 1 -wire 1 -face 0 -shell 0 -solid 0 -compsolid 0 -compound 0 -shape 4 -t -m "Result of open offset on single edge based on BSpline curve"

checkprops result -l 0.879164 
checkshape result 
checksection result
checkview -screenshot -2d -path ${imagedir}/${test_image}.png
