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(.module:
[lux #*
[abstract/monad (#+ Monad do)]
[control
pipe]
[data
["." text ("#\." equivalence)]
[number
["n" nat]
["i" int]]]
[math
["r" random]]
["_" test (#+ Test)]]
{1
["." / (#+ import: class: interface: object)]})
(import: (java/util/concurrent/Callable a))
(import: java/lang/Long)
(import: java/lang/String)
(import: java/lang/Exception
(new [java/lang/String]))
(import: java/lang/Object)
(import: (java/lang/Class a)
(getName [] java/lang/String))
(import: java/lang/Runnable)
(import: java/lang/System
(#static out java/io/PrintStream)
(#static currentTimeMillis [] #io long)
(#static getenv [java/lang/String] #io #? java/lang/String))
## TODO: Handle "class:" ASAP.
## (class: #final (TestClass A) [java/lang/Runnable]
## ## Fields
## (#private foo boolean)
## (#private bar A)
## (#private baz java/lang/Object)
## ## Methods
## (#public [] (new self {value A}) []
## (exec (:= ::foo #1)
## (:= ::bar value)
## (:= ::baz "")
## []))
## (#public (virtual self) java/lang/Object
## "")
## (#public #static (static) java/lang/Object
## "")
## (java/lang/Runnable [] (run self) void
## []))
(def: test-runnable
(object [] [java/lang/Runnable]
[]
(java/lang/Runnable
[] (run self) void
[])))
(def: test-callable
(object [a] [(java/util/concurrent/Callable a)]
[]
((java/util/concurrent/Callable a)
[] (call self) a #throws [java/lang/Exception]
(undefined))))
## (interface: TestInterface
## ([] foo [boolean java/lang/String] void #throws [java/lang/Exception]))
(def: conversions
Test
(do r.monad
[sample r.int]
(`` ($_ _.and
(~~ (template [<to> <from> <message>]
[(_.test <message>
(or (|> sample (:coerce java/lang/Long) <to> <from> (:coerce Int) (i.= sample))
(let [capped-sample (|> sample (:coerce java/lang/Long) <to> <from>)]
(|> capped-sample <to> <from> (:coerce Int) (i.= (:coerce Int capped-sample))))))]
[/.long-to-byte /.byte-to-long "Can succesfully convert to/from byte."]
[/.long-to-short /.short-to-long "Can succesfully convert to/from short."]
[/.long-to-int /.int-to-long "Can succesfully convert to/from int."]
[/.long-to-float /.float-to-long "Can succesfully convert to/from float."]
[/.long-to-double /.double-to-long "Can succesfully convert to/from double."]
[(<| /.int-to-char /.long-to-int) (<| /.int-to-long /.char-to-int) "Can succesfully convert to/from char."]
))
))))
(def: miscellaneous
Test
(do {! r.monad}
[sample (:: ! map (|>> (:coerce java/lang/Object))
(r.ascii 1))]
($_ _.and
(_.test "Can check if an object is of a certain class."
(and (case (/.check java/lang/String sample) (#.Some _) true #.None false)
(case (/.check java/lang/Long sample) (#.Some _) false #.None true)
(case (/.check java/lang/Object sample) (#.Some _) true #.None false)
(case (/.check java/lang/Object (/.null)) (#.Some _) false #.None true)))
(_.test "Can run code in a 'synchronized' block."
(/.synchronized sample #1))
(_.test "Can access Class instances."
(text\= "java.lang.Class" (java/lang/Class::getName (/.class-for java/lang/Class))))
(_.test "Can check if a value is null."
(and (/.null? (/.null))
(not (/.null? sample))))
(_.test "Can safely convert nullable references into Maybe values."
(and (|> (: (Maybe java/lang/Object) (/.??? (/.null)))
(case> #.None #1
_ #0))
(|> (: (Maybe java/lang/Object) (/.??? sample))
(case> (#.Some _) #1
_ #0))))
)))
(def: arrays
Test
(do {! r.monad}
[size (|> r.nat (:: ! map (|>> (n.% 100) (n.max 1))))
idx (|> r.nat (:: ! map (n.% size)))
value (:: ! map (|>> (:coerce java/lang/Long)) r.int)]
($_ _.and
(_.test "Can create arrays of some length."
(n.= size (/.array-length (/.array java/lang/Long size))))
(_.test "Can set and get array values."
(let [arr (/.array java/lang/Long size)]
(exec (/.array-write idx value arr)
(i.= (:coerce Int value)
(:coerce Int (/.array-read idx arr)))))))))
(def: #export test
($_ _.and
(<| (_.context "Conversions.")
..conversions)
(<| (_.context "Miscellaneous.")
..miscellaneous)
(<| (_.context "Arrays.")
..arrays)))
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