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|
(.using
[library
[lux (.full)
["_" test (.only Test)]
[abstract
[monad (.only do)]
[equivalence (.only Equivalence)]
[functor
[\\specification
["$[0]" contravariant]]]]
[control
["[0]" try]]
[data
["[0]" text ("[1]#[0]" equivalence)]
["[0]" bit]
[format
["[0]" xml]
["[0]" json]]
[collection
["[0]" list ("[1]#[0]" functor)]]]
["[0]" time
["[0]" day]
["[0]" month]
["[0]" instant]
["[0]" duration]
["[0]" date]]
[math
["[0]" random (.only Random) ("[1]#[0]" monad)]
["[0]" modulus]
["[0]" modular]
[number
["[0]" nat]
["[0]" int]
["[0]" rev]
["[0]" frac]
["[0]" ratio]]]
[macro
["[0]" code]]
[meta
["[0]" location]
["[0]" symbol]]
["[0]" type]]]
["$[0]" /// "_"
[format
["[1][0]" xml]
["[1][0]" json]]
[//
["[1][0]" type]
[macro
["[1][0]" code]]
[meta
["[1][0]" symbol]]]]
[\\library
["[0]" /]])
(implementation: (equivalence example)
(All (_ a) (-> a (Equivalence (/.Format a))))
(def: (= reference subject)
(text#= (reference example) (subject example))))
(def: random_contravariant
(Random (Ex (_ a) [(/.Format a)
(Random a)]))
(all random.either
(random#in [/.bit random.bit])
(random#in [/.nat random.nat])
(random#in [/.int random.int])
(random#in [/.rev random.rev])
(random#in [/.frac random.frac])
))
(def: codec
Test
(`` (all _.and
(~~ (template [<format> <codec> <random>]
[(do random.monad
[sample <random>]
(_.coverage [<format>]
(text#= (# <codec> encoded sample)
(<format> sample))))]
[/.bit bit.codec random.bit]
[/.nat nat.decimal random.nat]
[/.int int.decimal random.int]
[/.rev rev.decimal random.rev]
[/.frac frac.decimal random.frac]
[/.ratio ratio.codec random.ratio]
[/.symbol symbol.codec ($///symbol.random 5 5)]
[/.xml xml.codec $///xml.random]
[/.json json.codec $///json.random]
[/.day day.codec random.day]
[/.month month.codec random.month]
[/.instant instant.codec random.instant]
[/.duration duration.codec random.duration]
[/.date date.codec random.date]
[/.time time.codec random.time]
[/.nat_2 nat.binary random.nat]
[/.nat_8 nat.octal random.nat]
[/.nat_10 nat.decimal random.nat]
[/.nat_16 nat.hex random.nat]
[/.int_2 int.binary random.int]
[/.int_8 int.octal random.int]
[/.int_10 int.decimal random.int]
[/.int_16 int.hex random.int]
[/.rev_2 rev.binary random.rev]
[/.rev_8 rev.octal random.rev]
[/.rev_10 rev.decimal random.rev]
[/.rev_16 rev.hex random.rev]
[/.frac_2 frac.binary random.frac]
[/.frac_8 frac.octal random.frac]
[/.frac_10 frac.decimal random.frac]
[/.frac_16 frac.hex random.frac]
))
)))
(def: .public test
Test
(<| (_.covering /._)
(_.for [/.Format])
(`` (all _.and
(_.for [/.functor]
(do random.monad
[[format random] ..random_contravariant
example random]
($contravariant.spec (..equivalence example)
format
/.functor)))
(do random.monad
[left (random.unicode 5)
mid (random.unicode 5)
right (random.unicode 5)]
(_.coverage [/.format]
(text#= (/.format left mid right)
(all "lux text concat" left mid right))))
..codec
(~~ (template [<format> <alias> <random>]
[(do random.monad
[sample <random>]
(_.coverage [<format>]
(text#= (<alias> sample)
(<format> sample))))]
[/.text text.format (random.unicode 5)]
[/.code code.format $///code.random]
[/.type type.format ($///type.random 0)]
[/.location location.format
(all random.and
(random.unicode 5)
random.nat
random.nat)]
))
(do random.monad
[members (random.list 5 random.nat)]
(_.coverage [/.list]
(text#= (/.list /.nat members)
(|> members
(list#each /.nat)
(text.interposed " ")
list
(/.list (|>>))))))
(do random.monad
[sample (random.maybe random.nat)]
(_.coverage [/.maybe]
(case sample
{.#None}
true
{.#Some value}
(text.contains? (/.nat value)
(/.maybe /.nat sample)))))
(do [! random.monad]
[modulus (random.one (|>> modulus.modulus
try.maybe)
random.int)
sample (# ! each (modular.modular modulus)
random.int)]
(_.coverage [/.mod]
(text#= (# (modular.codec modulus) encoded sample)
(/.mod sample))))
))))
|
