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(.module:
  [lux #*
   ["_" test (#+ Test)]
   [abstract
    [monad (#+ do)]]
   [control
    [pipe (#+ case>)]
    ["." try]]
   [data
    ["." bit ("#@." equivalence)]
    [number
     ["f" frac]]
    ["." text ("#@." equivalence)
     ["%" format (#+ format)]]]
   [math
    ["r" random]]
   [tool
    [compiler
     ["." synthesis]]]]
  [///
   [common (#+ Runner)]])

(def: (f/=' reference subject)
  (-> Frac Frac Bit)
  (or (f.= reference subject)
      (and (f.not-a-number? reference)
           (f.not-a-number? subject))))

(def: #export (spec run)
  (-> Runner Test)
  (`` ($_ _.and
          (~~ (template [<evaluation-name> <synthesis> <gen> <test>]
                [(do r.monad
                   [expected <gen>]
                   (_.test (%.name (name-of <synthesis>))
                           (|> (run <evaluation-name> (<synthesis> expected))
                               (case> (#try.Success actual)
                                      (<test> expected (:assume actual))

                                      (#try.Failure _)
                                      false))))]

                ["bit" synthesis.bit  r.bit  bit@=]
                ["i64" synthesis.i64  r.i64  "lux i64 ="]
                ["f64" synthesis.f64  r.frac  f.=']
                ["text" synthesis.text (r.ascii 5) text@=]
                ))
          )))