USING: kernel math random namespaces sequences tools.test ; IN: temporary : check-random ( max -- ? ) dup >r random 0 r> between? ; [ t ] [ 100 [ drop 674 check-random ] all? ] unit-test : make-100-randoms [ 100 [ 100 random , ] times ] { } make ; [ f ] [ make-100-randoms make-100-randoms = ] unit-test [ 1333075495 ] [ 0 init-random 1000 [ drop (random) drop ] each (random) ] unit-test [ 1575309035 ] [ 0 init-random 10000 [ drop (random) drop ] each (random) ] unit-test