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(.module:
[lux "*"
["_" test {"+" [Test]}]
[abstract
[monad {"+" [do]}]]
[control
[pipe {"+" [case>]}]
["[0]" maybe]
["[0]" try]]
[data
[number
["n" nat]
["i" int]]
["[0]" text ("[1]\[0]" equivalence)
["%" format {"+" [format]}]]
[collection
["[0]" array {"+" [Array]}]
["[0]" list ("[1]\[0]" functor)]]]
[math
["r" random]]
["[0]" ffi {"+" [import:]}]
[tool
[compiler
["[0]" analysis]
["[0]" synthesis]]]]
[///
[common {"+" [Runner]}]])
(import: java/lang/Integer)
(def: (variant run)
(-> Runner Test)
(do [! r.monad]
[num_tags (|> r.nat (\ ! each (|>> (n.% 10) (n.max 2))))
tag_in (|> r.nat (\ ! each (n.% num_tags)))
.let [last?_in (|> num_tags -- (n.= tag_in))]
value_in r.i64]
(_.test (%.name (name_of synthesis.variant))
(|> (synthesis.variant [#analysis.lefts (if last?_in
(-- tag_in)
tag_in)
#analysis.right? last?_in
#analysis.value (synthesis.i64 value_in)])
(run "variant")
(case> (#try.Success valueT)
(let [valueT (:as (Array Any) valueT)]
(and (n.= 3 (array.size valueT))
(let [tag_out (:as java/lang/Integer (maybe.trusted (array.read! 0 valueT)))
last?_out (array.read! 1 valueT)
value_out (:as Any (maybe.trusted (array.read! 2 valueT)))
same_tag? (|> tag_out ffi.int_to_long (:as Nat) (n.= tag_in))
same_flag? (case last?_out
(#.Some last?_out')
(and last?_in (text\= "" (:as Text last?_out')))
#.None
(not last?_in))
same_value? (|> value_out (:as Int) (i.= value_in))]
(and same_tag?
same_flag?
same_value?))))
(#try.Failure _)
false)))))
(def: (tuple run)
(-> Runner Test)
(do [! r.monad]
[size (|> r.nat (\ ! each (|>> (n.% 10) (n.max 2))))
tuple_in (r.list size r.i64)]
(_.test (%.name (name_of synthesis.tuple))
(|> (synthesis.tuple (list\each (|>> synthesis.i64) tuple_in))
(run "tuple")
(case> (#try.Success tuple_out)
(let [tuple_out (:as (Array Any) tuple_out)]
(and (n.= size (array.size tuple_out))
(list.every? (function (_ [left right])
(i.= left (:as Int right)))
(list.zipped/2 tuple_in (array.list tuple_out)))))
(#try.Failure _)
false)))))
(def: .public (spec runner)
(-> Runner Test)
($_ _.and
(..variant runner)
(..tuple runner)
))
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