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(.using
[library
[lux (.except)
["_" test (.only Test)]
[abstract
[monad (.only do)]]
[data
["[0]" bit (.open: "[1]#[0]" equivalence)]]
[macro
["[0]" code]]
[math
["[0]" random (.only Random)]
[number
["n" nat]
["i" int]
["f" frac]]]]]
[\\library
["[0]" /]])
(type: (Pair l r)
(Record
[#left l
#right r]))
(template: (!pair <left> <right>)
[[..#left <left>
..#right <right>]])
(def: .public test
Test
(<| (_.covering /._)
(do [! random.monad]
[expected_nat (at ! each (n.% 1) random.nat)
expected_int (at ! each (i.% +1) random.int)
expected_rev (random.either (in .5)
(in .25))
expected_frac (random.either (in +0.5)
(in +1.25))
expected_text (random.either (in "+0.5")
(in "+1.25"))]
(all _.and
(do [! random.monad]
[sample (at ! each (n.% 5) random.nat)]
(_.coverage [/.template]
(case sample
(/.template [<case>]
[<case> true])
([0] [1] [2] [3] [4])
_
false)))
(_.coverage [/.or]
(and (/.case expected_rev
(/.or .5 .25) true
_ false)
(/.case expected_frac
(/.or +0.5 +1.25) true
_ false)
(/.case expected_text
(/.or "+0.5" "+1.25") true
_ false)))
(_.coverage [/.let]
(let [expected_pair (is (Pair Nat Int)
[..#left expected_nat ..#right expected_int])]
(/.case expected_pair
(/.let actual_pair (/.pattern (!pair actual_left actual_right)))
(and (/.same? expected_pair actual_pair)
(/.same? expected_nat actual_left)
(/.same? expected_int actual_right)))))
(_.coverage [/.multi]
(let [expected_pair (is (Pair Nat Int)
[..#left expected_nat ..#right expected_int])]
(and (/.case expected_pair
(/.multi (/.pattern (!pair 0 actual_right))
[actual_right
+0])
true
_
false)
(/.case expected_pair
(/.multi (/.pattern (!pair 0 actual_right))
(i.= +0 actual_right))
true
_
false))))
(_.coverage [/.|>]
(case expected_frac
(/.|> actual_frac [(f.* +2.0) (f.* +2.0)])
(f.= (f.* +4.0 expected_frac)
actual_frac)))
(_.coverage [/.`]
(case (code.text expected_text)
(/.` "+0.5") true
(/.` "+1.25") true
_ false))
))))
|
