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|
(.with_expansions [<target>' (.for {"{old}" (.as_is ["#/." jvm])
"JVM" (.as_is ["#/." jvm])}
(.as_is))
<target> <target>']
(.module:
["/" lux #*
[program (#+ program:)]
["_" test (#+ Test)]
["@" target]
[abstract
[monad (#+ do)]
[predicate (#+ Predicate)]]
[control
["." io (#+ io)]]
[data
["." name]
[text
["%" format (#+ format)]]]
["." math
["." random (#+ Random) ("#\." functor)]
[number
["n" nat]
["i" int]
["r" rev]
["f" frac]
["." i64]]]]
## TODO: Must have 100% coverage on tests.
["." / #_
["#." abstract]
["#." control]
["#." data]
["#." locale]
["#." macro]
["#." math]
["#." meta]
["#." time]
## ["#." tool]
["#." type]
["#." world]
["#." host]
["#." extension]
["#." target #_
<target>]]))
## TODO: Get rid of this ASAP
(template: (!bundle body)
(: Test
(do random.monad
[_ (wrap [])]
body)))
(def: identity
Test
(do {! random.monad}
[self (random.unicode 1)]
($_ _.and
(_.test "Every value is identical to itself."
(is? self self))
(do !
[other (random.unicode 1)]
(_.test "Values created separately can't be identical."
(not (is? self other))))
)))
(def: increment_and_decrement
Test
(do random.monad
[value random.i64]
($_ _.and
(_.test "'inc' and 'dec' are opposites."
(and (|> value inc dec (n.= value))
(|> value dec inc (n.= value))))
(_.test "'inc' and 'dec' shift the number by 1."
(and (|> (inc value) (n.- value) (n.= 1))
(|> value (n.- (dec value)) (n.= 1)))))))
(def: (check_neighbors has_property? value)
(All [a] (-> (Predicate (I64 a)) (I64 a) Bit))
(and (|> value inc has_property?)
(|> value dec has_property?)))
(def: (even_or_odd rand_gen even? odd?)
(All [a] (-> (Random (I64 a)) (Predicate (I64 a)) (Predicate (I64 a)) Test))
(do random.monad
[value rand_gen]
($_ _.and
(_.test "Every number is either even or odd."
(if (even? value)
(not (odd? value))
(odd? value)))
(_.test "Every odd/even number is surrounded by two of the other kind."
(if (even? value)
(check_neighbors odd? value)
(check_neighbors even? value))))))
(type: (Equivalence a)
(-> a a Bit))
(def: (conversion rand_gen forward backward =)
(All [a b] (-> (Random a) (-> a b) (-> b a) (Equivalence a) Test))
(do random.monad
[value rand_gen]
(_.test "Can convert between types in a lossless way."
(|> value forward backward (= value)))))
(def: frac_rev
(Random Rev)
(let [bits_to_ignore 11]
(\ random.functor map (i64.left_shift bits_to_ignore) random.rev)))
(def: prelude_macros
Test
($_ _.and
(do random.monad
[factor (random\map (|>> (n.% 10) (n.max 1)) random.nat)
iterations (random\map (n.% 10) random.nat)
#let [expected (n.* factor iterations)]]
(_.test "Can write loops."
(n.= expected
(loop [counter 0
value 0]
(if (n.< iterations counter)
(recur (inc counter) (n.+ factor value))
value)))))
(do random.monad
[first random.nat
second random.nat
third random.nat]
(_.test "Can create lists easily through macros."
(and (case (list first second third)
(#.Cons first' (#.Cons second' (#.Cons third' #.Nil)))
(and (n.= first first')
(n.= second second')
(n.= third third'))
_
false)
(case (list& first (list second third))
(#.Cons first' (#.Cons second' (#.Cons third' #.Nil)))
(and (n.= first first')
(n.= second second')
(n.= third third'))
_
false)
(case (list& first second (list third))
(#.Cons first' (#.Cons second' (#.Cons third' #.Nil)))
(and (n.= first first')
(n.= second second')
(n.= third third'))
_
false))))
))
(template: (quadrance cat0 cat1)
(n.+ (n.* cat0 cat0) (n.* cat1 cat1)))
(def: templates
Test
(do random.monad
[cat0 random.nat
cat1 random.nat]
(_.test "Template application is a stand-in for the templated code."
(n.= (n.+ (n.* cat0 cat0) (n.* cat1 cat1))
(quadrance cat0 cat1)))))
(def: cross_platform_support
Test
(do random.monad
[on_default random.nat
on_fake_host random.nat
on_valid_host random.nat]
($_ _.and
(_.test "Can provide default in case there is no particular host/platform support."
(n.= on_default
(for {"" on_fake_host}
on_default)))
(_.test "Can pick code depending on the host/platform being targeted."
(n.= on_valid_host
(for {@.old on_valid_host
@.jvm on_valid_host
@.js on_valid_host}
on_default))))))
(def: conversion_tests
Test
(`` ($_ _.and
(~~ (template [<=> <forward> <backward> <gen>]
[(<| (_.context (format (%.name (name_of <forward>))
" " (%.name (name_of <backward>))))
(..conversion <gen> <forward> <backward> <=>))]
[i.= .nat .int (random\map (i.% +1,000,000) random.int)]
[n.= .int .nat (random\map (n.% 1,000,000) random.nat)]
)))))
(def: sub_tests
Test
(let [tail (: (List Test)
(for {@.old (list)}
(list /extension.test)))]
(_.in_parallel (list& /abstract.test
/control.test
/data.test
/locale.test
/macro.test
/math.test
/meta.test
/time.test
## /tool.test
/type.test
/world.test
/host.test
(for {@.jvm (#.Cons /target/jvm.test tail)
@.old (#.Cons /target/jvm.test tail)}
tail)
))))
(def: test
Test
(<| (_.context (name.module (name_of /._)))
($_ _.and
(<| (_.context "Identity.")
..identity)
(<| (_.context "Increment & decrement.")
..increment_and_decrement)
(<| (_.context "Even or odd.")
($_ _.and
(<| (_.context "Natural numbers.")
(..even_or_odd random.nat n.even? n.odd?))
(<| (_.context "Integers.")
(..even_or_odd random.int i.even? i.odd?))))
(<| (_.context "Conversion.")
..conversion_tests)
(<| (_.context "Prelude macros.")
..prelude_macros)
(<| (_.context "Templates.")
..templates)
(<| (_.context "Cross-platform support.")
..cross_platform_support)
..sub_tests
)))
(program: args
(<| io
_.run!
(_.times 100)
..test))
|
