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|
(.require
[library
[lux (.except)
[abstract
["[0]" monad (.only do)
["[1]T" \\test]]
["[0]" functor
["[1]T" \\test (.only Injection Comparison)]]
["[0]" apply
["[1]T" \\test]]
["[0]" equivalence
["[1]T" \\test]]]
[data
["[0]" product]]
[math
["[0]" random (.only Random)]
[number
["n" nat]]]
[test
["_" property (.only Test)]]]]
[\\library
["[0]" / (.only Lazy)]])
(def injection
(Injection Lazy)
(|>> /.lazy))
(def comparison
(Comparison Lazy)
(function (_ ==)
(of (/.equivalence ==) =)))
(def .public lazy
(All (_ a) (-> (Random a) (Random (Lazy a))))
(of random.functor each (|>> /.lazy)))
(def .public test
Test
(with_expansions [<eager> (is [Nat Nat]
[(n.+ left right)
(n.* left right)])]
(<| (_.covering /._)
(do random.monad
[left random.nat
right random.nat
.let [expected <eager>]]
(_.for [/.Lazy]
(all _.and
(_.for [/.equivalence]
(equivalenceT.spec (/.equivalence n.equivalence) (..lazy random.nat)))
(_.for [/.functor]
(functorT.spec ..injection ..comparison /.functor))
(_.for [/.apply]
(applyT.spec ..injection ..comparison /.apply))
(_.for [/.monad]
(monadT.spec ..injection ..comparison /.monad))
(_.coverage [/.lazy]
(let [lazy (/.lazy <eager>)
(open "_#=") (product.equivalence n.equivalence n.equivalence)]
(_#= expected
(/.value lazy))))
(_.coverage [/.value]
(let [lazy (/.lazy <eager>)]
(and (not (same? expected
(/.value lazy)))
(same? (/.value lazy)
(/.value lazy)))))
))))))
|
