OCCT

pload XDE

stepread [locate_data_file bug29481_L3.step] s *

copy s_1 s
explode s f

compound s_11 s_13 s_12 spike

removefeatures res s spike
checkshape res
checkprops res -s 2323.49 -v 1037.57 -deps 1.e-7
checknbshapes res -vertex 61 -edge 91 -wire 32 -face 32 -shell 1 -solid 1
CheckIsFeatureRemoved spike {v e f}

# get history of the operation
savehistory rf_hist

# check modification of the top face
modified m5 rf_hist s_5
checkprops m5 -s 1089.87
checknbshapes m5 -vertex 29 -edge 29 -wire 1 -face 1

# check modification of the side faces where the spike was located
modified m10 rf_hist s_10
modified m14 rf_hist s_14

if {![regexp "same shapes" [compare m10 m14]]} {
  puts "Error: incorrect spike removal"
}