box b1 0 0 0 1 1 1
box b2  0     0.25  0     0.5   0.5   -1
trotate b2 0 .25 0  0 0 1 230

bop b1 b2
bopcommon result

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