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(.module:
[lux #*
["_" test (#+ Test)]
[abstract
[monad (#+ do)]
{[0 #spec]
[/
["$." equivalence]]}]
[data
[number
["i" int]]]
[math
["." random (#+ Random)]]]
{1
["." /
["/#" // #_
["#." i64]]]})
(def: #export random
(Random /.I8)
(\ random.functor map /.i8 random.i64))
(def: #export test
Test
(<| (_.covering /._)
(_.with-cover [/.I8])
(do {! random.monad}
[#let [limit (|> (dec /.width)
//i64.mask
.int
inc)]
expected (\ ! map (i.% limit) random.int)]
($_ _.and
(_.with-cover [/.equivalence]
($equivalence.spec /.equivalence ..random))
(_.cover [/.i8 /.i64 /.width]
(let [actual (|> expected .i64 /.i8 /.i64)]
(\ //i64.equivalence = expected actual)))
))))
|
