puts "============"
puts "OCC27674"
puts "============"
puts ""
############################################################################
# BRepOffsetAPI_ThruSections make invalid
# shape if sections are connected at ends
############################################################################

restore [locate_data_file bug27674_CircleLineWires.brep] a

explode a
wire w a_1 a_2
explode w
wire a1 w_1
wire a2 w_2
thrusections r 0 0 a1 a2
checkshape r

checknbshapes r -vertex 2 -edge 4

puts "Check that edges degenerated and has no 3d curve..."
explode r E
if [regexp {degenerated} [dump r_2]] {
   puts "OK: r_2 is a degenerated edge."
   if [catch {mkcurve c1 r_2} catch_result] {
      puts "OK: r_2 has no 3d curve."
   } else {
      puts "Faulty: r_2 has 3d curve"
   }
} else {
   puts "Faulty: r_2 is not degenerated edge."
}

if [regexp {degenerated} [dump r_4]] {
   puts "OK: r_4 is a degenerated edge."
   if [catch {mkcurve c1 r_4} catch_result] {
      puts "OK: r_4 has no 3d curve."
   } else {
      puts "Faulty: r_4 has 3d curve"
   }
} else {
   puts "Faulty: r_4 is not degenerated edge."
}

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