OCCT

puts "========"
puts "CR25202"
puts "========"
puts ""
#########################################
## Incorrect value of IsClosed flag in shapes produced by some algorithms
#########################################

plane pp 0 0 0 0 0 1
trim pp pp 0 100 0 100
mkface ff pp
prism result ff 0 0 20

set info [whatis result]
if { [regexp {Closed} ${info}] != 1 } {
    puts "OK : value of IsClosed flag is correct"
} else {
    puts "Error : value of IsClosed flag is not correct"
}

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