USING: accessors classes.struct kernel kernel.private math math.order tools.test ; QUALIFIED: vm IN: vm.tests : get-ctx ( -- ctx ) context vm:context memory>struct ; { t } [ get-ctx [ callstack-bottom>> ] [ callstack-top>> ] bi - 0 > ] unit-test { t } [ ! Callstack is in the callstack segment get-ctx [ callstack-top>> ] [ callstack-seg>> [ start>> ] [ end>> ] bi ] bi between? ] unit-test