set cs_a [checkshape a]
puts "checkshape a"
if { [info exists nb_f] == 0 } {
  set nb_f 0
}
if { $cs_a == "This shape seems to be valid"} {
  puts "Shape a seems to be valid"
  set nb_a 0
} else {
  puts "Shape a is not valid"
  regexp {Faulty shapes in variables faulty_([0-9]*) to faulty_([0-9]*)} $cs_a full nb_a_begin nb_a_end
  puts "Number of faulties is [expr $nb_a_end - $nb_a_begin +1]"
  set nb_a [expr $nb_a_end - $nb_a_begin +1]
}

set exp [explode a f]
set L [concat compound $exp C]
eval $L
puts [whatis C]
puts [sewing result $tol C]

if { [isdraw result] } {
  set cs_r [checkshape result]
  puts "checkshape result"
  if { $cs_r == "This shape seems to be valid"} {
    puts "Shape result seems to be valid"
    set nb_r 0
  } else {
    puts "Shape result is not valid"
    regexp {Faulty shapes in variables faulty_([0-9]*) to faulty_([0-9]*)} $cs_r full nb_r_begin nb_r_end
    set nb_r [expr $nb_r_end - $nb_r_begin +1]
  }
  set t [dtyp result]
  puts $t
  set w [lindex $t 1]
  if {"$w" == "SHELL"} {
    catch {freebounds $result -0.01}
    set s [explode result_c e]
    puts $s
    set index [ llength $s ]
    if { $index != 0 } {
      puts "Error : Number of free edges is $index"
    }

    puts "Number of faulties for initial shape is $nb_a."
    puts "Number of faulties for result shape is $nb_r."

    #if nb_f is empty then it is instaility.
    if { [string compare "$nb_f" ""] == 0 || $nb_f > 0 } {
      set os "ALL"
      if {[array get env os_type] != ""} {
        set os $env(os_type)
      }
      puts "TODO #23150 $os: Error : Number of faulties is $nb_f"
    }
    if { $nb_r > $nb_a } {
      puts "Error : Number of faulties is $nb_r"
    }
  } else { 
    puts "Error : OPERATION FAILED"
  }
  clear
  smallview
  donly result
  checkshape result
  fit
  xwd $imagedir/${test_image}.png
} else {
  puts "Error : The sewing can not be build."
}

puts "TEST COMPLETED"