OCCT

puts "========================================================================"
puts "Bug 33895: fixshape crashes on tessellated geometry without surfaces"
puts "No crash expected"
puts "========================================================================"

pload XDE MODELING

stepread [locate_data_file gh623_tessellated_tetrahedron_ap242.step] anInputShape *

# Check what kind of shape we get
checknbshapes anInputShape_1 -t

# Validate shape - will show BRepCheck_NoSurface errors
puts "REQUIRED All: Faulty shapes in variables faulty_1 to faulty_6"
checkshape anInputShape_1

# Fix shapes. No crash expected.
fixshape aFixed anInputShape_1

# Check result. 
checknbshapes aFixed -face 4 -shell 4 -compound 1 -shape 9 -t