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|
(.require
[library
[lux (.except)
["_" test (.only Test)]
[abstract
[monad (.only do)]]
[control
["[0]" try]
["[0]" exception]]
[data
["[0]" text]]
[math
["[0]" random]
[number
["n" nat]]]]]
[\\library
["[0]" /]])
(def .public test
Test
(<| (_.covering /._)
(do [! random.monad]
[expected random.nat])
(all _.and
(_.coverage [/.pre /.pre_condition_failed]
(case (try (/.pre (n.even? expected)
true))
{try.#Success output}
output
{try.#Failure error}
(and (text.contains? (the exception.#label /.pre_condition_failed)
error)
(not (n.even? expected)))))
(_.coverage [/.post /.post_condition_failed]
(case (try (/.post n.odd?
expected))
{try.#Success actual}
(same? expected actual)
{try.#Failure error}
(and (text.contains? (the exception.#label /.post_condition_failed)
error)
(not (n.odd? expected)))))
)))
|
