puts "Check History of Boolean operations"

puts "Case with two interfering boxes"

box b1 10 10 10
box b2 5 5 5 10 10 10

bfuse r b1 b2

savehistory fuse_hist

compound edges

foreach f [explode b1 f] {
  if {![regexp "No shapes were generated from the shape" [generated g fuse_hist $f]]} {
    foreach e [explode g e] { add $e edges }
  }
}

set list {}

foreach e [explode edges e] {
  lappend list 2;
  lappend list $e;
}


blend result r {*}$list


checkshape result
checkprops result -s 1027.65 -v 1905.35
checknbshapes result -vertex 26 -edge 42 -wire 18 -face 18 -shell 1 -solid 1

checkview -display result -2d -path ${imagedir}/${test_image}.png