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(.module:
[library
[lux #*
["_" test (#+ Test)]
[abstract
[monad (#+ do)]
[\\specification
["$." equivalence]]]
[math
["." random (#+ Random)]]]]
[\\library
["." /
["/#" // #_
["i" int]
["#." i64]]]])
(def: .public random
(Random /.I16)
(\ random.functor each /.i16 random.i64))
(def: .public test
Test
(<| (_.covering /._)
(_.for [/.I16])
(do {! random.monad}
[.let [limit (|> (-- /.width)
//i64.mask
.int
++)]
expected (\ ! each (i.% limit) random.int)]
($_ _.and
(_.for [/.equivalence]
($equivalence.spec /.equivalence ..random))
(_.cover [/.i16 /.i64 /.width]
(let [actual (|> expected .i64 /.i16 /.i64)]
(\ //i64.equivalence = expected actual)))
))))
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