(.module:
  [library
   [lux "*"
    ["_" test {"+" [Test]}]
    [abstract
     [monad {"+" [do]}]
     [\\specification
      ["$[0]" equivalence]]]
    [control
     ["[0]" try ("[1]#[0]" functor)]
     [parser
      ["<[0]>" xml]]]
    [math
     ["[0]" random {"+" [Random]}]]]]
  [\\program
   ["[0]" /]]
  ["[0]" / "_"
   ["[1][0]" value]]
  ["$[0]" /// "_"
   ["[1][0]" type]
   ["[1][0]" time]])

(def: .public random
  (Random /.Version)
  ($_ random.and
      $///type.random
      (random.ascii/alpha 1)
      $///time.random
      ))

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

          (do random.monad
            [expected ..random]
            (_.cover [/.format /.parser]
                     (|> expected
                         /.format
                         list
                         (<xml>.result /.parser)
                         (try#each (# /.equivalence = expected))
                         (try.else false))))

          /value.test
          )))