add test for issue #52
add test for issue #52

fadimko/lightncandy,jmgq/lightncandy,cgvarela/lightncandy,Southparkfan/lightncandy,jmgq/lightncandy,zordius/lightncandy,cgvarela/lightncandy,Corollarium/lightncandy,vein1992/lightncandy,Southparkfan/lightncandy,fadimko/lightncandy,zordius/lightncandy,vein1992/lightncandy,Corollarium/lightncandy