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(.module:
  [lux #*
   ["_" test (#+ Test)]
   [abstract
    [monad (#+ do)]
    [\spec
     ["$." equivalence]]]
   [control
    ["." try ("#\." functor)]
    [parser
     ["<.>" xml]]]
   [math
    ["." random (#+ Random)]]
   [time
    ["." instant]]]
  [\\program
   ["." /]]
  ["$." // #_
   ["#." time]
   ["#." build]])

(def: #export random
  (Random /.Stamp)
  ($_ random.and
      $//time.random
      $//build.random
      ))

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

          (do random.monad
            [expected ..random]
            (_.cover [/.format /.parser]
                     (|> expected
                         /.format
                         (<xml>.run /.parser)
                         (try\map (\ /.equivalence = expected))
                         (try.default false))))
          )))