puts "============"
puts "OCC28661"
puts "============"
puts ""
#######################################################################
# BRepOffsetAPI_MakePipeShell throws an exception Standard_NoSuchObject
#######################################################################

restore [locate_data_file bug27769_W5_slot.brep] pr
restore [locate_data_file bug27769_A4_slot.brep] sp
wire sp sp

mksweep sp
addsweep pr
buildsweep r

explode r f
mksurface s1 r_1
set info [dump s1]

set check [regexp "SphericalSurface" $info]

if { ${check} == 1 } {
   puts "OK: The basic surface is spherical surface."
} else {
   puts "Faulty: The basic surface is not spherical surface."
}

set info1 [errorsweep]

set check [regexp {Tolerance on surfaces = ([0-9\-+Ee.]+)} $info1 str error]

checkreal "Accuracy" $error 0 1.e-10 0

setsweep -FR
buildsweep r1
