OCCT

puts "============"
puts "OCC6554"
puts "============"
puts ""
######################################################
# Intersection shell-plane gives a disconnected set of edges
######################################################

set BugNumber OCC6554

restore [locate_data_file OCC6554-shell.brep] sh 
restore [locate_data_file OCC6554-face.brep] f 

checkshape sh
checkshape f

bsection result sh f -n2d

regexp {nb alone Vertices : ([-0-9.+eE]+)} [checksection result] full Vertices

set good_Vertices 2

if { ${Vertices} != ${good_Vertices} } {
    puts "Faulty ${BugNumber}"
} else {
    puts "OK ${BugNumber}"
}

checkprops result -l 110.045 
checkshape result 
checkview -display result -2d -path ${imagedir}/${test_image}.png