puts "============================================================"
puts "OCC31617: Export STEP in nonmanifold mode corrupts the shape"
puts "============================================================"
puts ""

brestore [locate_data_file bug31617.brep] a

param write.step.nonmanifold 1

testwritestep comp_nonmanifold.step a
testreadstep comp_nonmanifold.step result

checkshape result

checknbshapes result -ref [lrange [nbshapes a] 11 16]