c2982a9ae3
* hy/contrib/anaphoric.hy: `ap-first` and `ap-last` now handle cases when failure happens for the predicate. Thanks to @tutorto for reporting this bug
106 lines
3.5 KiB
Hy
106 lines
3.5 KiB
Hy
;; Copyright (c) 2013 James King <james@agentultra.com>
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;; Permission is hereby granted, free of charge, to any person obtaining a
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;; copy of this software and associated documentation files (the "Software"),
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;; to deal in the Software without restriction, including without limitation
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;; the rights to use, copy, modify, merge, publish, distribute, sublicense,
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;; and/or sell copies of the Software, and to permit persons to whom the
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;; Software is furnished to do so, subject to the following conditions:
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;; The above copyright notice and this permission notice shall be included in
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;; all copies or substantial portions of the Software.
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;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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;; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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;; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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;; THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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;; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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;; FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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;; DEALINGS IN THE SOFTWARE.
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;;;; some simple helpers
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(require hy.contrib.anaphoric)
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(defn assert-true [x]
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(assert (= True x)))
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(defn assert-false [x]
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(assert (= False x)))
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(defn assert-equal [x y]
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(assert (= x y)))
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(defn test-ap-if []
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"NATIVE: testing anaphoric if"
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(ap-if true (assert-true it))
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(ap-if false true (assert-false it)))
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(defn test-ap-each []
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"NATIVE: testing anaphoric each"
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(setv res [])
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(ap-each [1 2 3 4] (.append res it))
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(assert-equal res [1 2 3 4]))
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(defn test-ap-each-while []
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"NATIVE: testing anaphoric each-while"
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(setv res [])
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(ap-each-while [2 2 4 3 4 5 6] (even? it) (.append res it))
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(assert-equal res [2 2 4]))
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(defn test-ap-map []
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"NATIVE: testing anaphoric map"
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(assert-equal (list (ap-map (* it 3) [1 2 3]))
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[3 6 9])
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(assert-equal (list (ap-map (* it 3) []))
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[])
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(assert-equal (let [[v 1] [f 1]] (list (ap-map (it v f) [(fn [a b] (+ a b))])))
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[2]))
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(defn test-ap-map-when []
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"NATIVE: testing anaphoric map-when"
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(assert-equal (list (ap-map-when even? (* it 2) [1 2 3 4]))
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[1 4 3 8]))
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(defn test-ap-filter []
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"NATIVE: testing anaphoric filter"
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(assert-equal (list (ap-filter (> it 2) [1 2 3 4]))
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[3 4])
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(assert-equal (list (ap-filter (even? it) [1 2 3 4]))
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[2 4]))
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(defn test-ap-reject []
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"NATIVE: testing anaphoric filter"
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(assert-equal (list (ap-reject (> it 2) [1 2 3 4]))
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[1 2])
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(assert-equal (list (ap-reject (even? it) [1 2 3 4]))
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[1 3]))
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(defn test-ap-dotimes []
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"NATIVE: testing anaphoric dotimes"
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(assert-equal (let [[n []]] (ap-dotimes 3 (.append n 3)) n)
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[3 3 3])
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(assert-equal (let [[n []]] (ap-dotimes 3 (.append n it)) n)
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[0 1 2]))
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(defn test-ap-first []
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"NATIVE: testing anaphoric first"
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(assert-equal (ap-first (> it 5) (range 10)) 6)
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(assert-equal (ap-first (even? it) [1 2 3 4]) 2)
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(assert-equal (ap-first (> it 10) (range 10)) None))
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(defn test-ap-last []
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"NATIVE: testing anaphoric last"
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(assert-equal (ap-last (> it 5) (range 10)) 9)
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(assert-equal (ap-last (even? it) [1 2 3 4]) 4)
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(assert-equal (ap-last (> it 10) (range 10)) None))
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(defn test-ap-reduce []
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"NATIVE: testing anaphoric reduce"
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(assert-equal (ap-reduce (* acc it) [1 2 3]) 6)
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(assert-equal (ap-reduce (* acc it) [1 2 3] 6) 36)
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(assert-equal (ap-reduce (+ acc " on " it) ["Hy" "meth"])
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"Hy on meth")
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(assert-equal (ap-reduce (+ acc it) [] 1) 1))
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