box b1 0 0 0 1 1 1
nurbsconvert b1 b1
dset r sqrt(2)
box b2 0 0 0 r r/2 1
trotate b2 0 0 0 0 0 1 45

bcommon result b1 b2

checkprops result -s 4.41421
checkview -display result -2d -s -otherwise { b1 b2 } -path ${imagedir}/${test_image}.png