040000 tree dbece3c1fc31d07e9ebd911047a3f3598f55aa6d	directedtest
040000 tree 2a9e8e2cac5079aa43e0c47d2ce757742e515aa4	memtest
040000 tree f006e402d5b2d8336612a89f938d1b1454d9a280	networktest
040000 tree 64b8a124775dc678a5a34d347a0b1c8d2304a5b4	rubytest
040000 tree 5da539084286be58e88c25e0651030b37d0d1472	traffic_gen