puts "====================================================================="
puts "OCC31485: Export STEP in nonmanifold mode looses all faces except one"
puts "====================================================================="
puts ""

brestore [locate_data_file bug31485.brep] a

param write.step.nonmanifold 1

testwritestep comp_nonmanifold.step a
testreadstep comp_nonmanifold.step result

checkshape result

checknbshapes result -face 3