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|
(.module:
[library
[lux "*"
["_" test {"+" [Test]}]
[abstract
[monad {"+" [do]}]]
[control
["." io]]
[time
["." instant {"+" [Instant]}]
["." duration]]
[math
["." random]
[number
["n" nat]
["i" int]]]]]
[\\library
["." /
[//
["." atom {"+" [Atom]}]
["." async]]]])
(def: .public test
Test
(<| (_.covering /._)
(do {! random.monad}
[dummy random.nat
expected random.nat
delay (\ ! each (|>> (n.% 5) (n.+ 5))
random.nat)]
($_ _.and
(_.cover [/.parallelism]
(n.> 0 /.parallelism))
(in (do async.monad
[reference_time (async.future instant.now)
.let [box (atom.atom [reference_time dummy])]
_ (async.future
(/.schedule! delay (do io.monad
[execution_time instant.now]
(atom.write! [execution_time expected] box))))
_ (async.delay (n.* 2 delay))
[execution_time actual] (async.future (atom.read! box))]
(_.cover' [/.schedule!]
(let [expected_delay!
(i.>= (.int delay)
(duration.millis (instant.span reference_time execution_time)))
correct_value!
(n.= expected actual)]
(and expected_delay!
correct_value!)))))
))))
|
