(.module:
  [lux #*
   ["_" test (#+ Test)]
   [abstract
    {[0 #spec]
     [/
      ["$." equivalence]]}]
   [math
    ["." random (#+ Random) ("#\." monad)]]]
  ["$." /// #_
   ["#." hash]]
  {#program
   ["." /
    ["//#" /// #_
     ["#." hash]]]})

(def: #export random
  (Random /.Status)
  ($_ random.or
      (random\wrap [])
      (random.or ($///hash.random ///hash.sha-1)
                 ($///hash.random ///hash.md5))
      (random.and ($///hash.random ///hash.sha-1)
                  ($///hash.random ///hash.md5))
      ))

(def: #export test
  Test
  (<| (_.covering /._)
      (_.for [/.Status]
             ($_ _.and
                 (_.for [/.equivalence]
                        ($equivalence.spec /.equivalence ..random))
                 ))))