puts "========"
puts "OCC28189"
puts "========"
puts ""
#################################################
# Result of Boolean operation is non-manifold wire
#################################################

box b1 10 10 10
box b2 5 5 5 10 10 10
box b3 20 0 0 10 10 10
box b4 25 5 5 10 10 10
shape c1 Cs
shape c2 Cs
add b1 c1
add b2 c2

bclearobjects
bcleartools
baddobjects c1 b3
baddtools c2 b4
bfillds
bbop result 1

checknbshapes result -solid 2 -compsolid 1

explode result

if {[regexp "COMPSOLID" [whatis result_1]]} {
  if {![regexp "SOLID" [whatis result_2]]} {
    puts "Error: Incorrect shape types in the result"
  }
} elseif {[regexp "SOLID" [whatis result_1]]} {
  if {![regexp "COMPSOLID" [whatis result_2]]} {
    puts "Error: Incorrect shape types in the result"
  }
} else {
  puts "Error: Incorrect shape types in the result"
}