puts "================"
puts "OCC19"
puts "================"
puts ""

restore [locate_data_file OCC19.brep] result
checkshape result

tclean result
incmesh result .9
triangles result

set info [trinfo result]
regexp { +([-0-9.+eE]+) +triangles} $info full tri
regexp { +([-0-9.+eE]+) +nodes} $info full nod

if { $tri != 88 && $nod != 90 }  {
  puts "Faulty OCC19: here is shading problem"
}

set 3dviewer 0