584a40d9c0
In Python 2.x (range 10) is mapped to xrange(10) in Python terms. However, xrange doesn't support slicing, which caused tests to fail. By forxing xrange into list, we have slicing available.
88 lines
3.2 KiB
Hy
88 lines
3.2 KiB
Hy
;; Copyright (c) 2016 Tuukka Turto <tuukka.turto@oktaeder.net>
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;;
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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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;;
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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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;;
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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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;;
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(require [hy.contrib.sequences [seq defseq]])
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(import [hy.contrib.sequences [Sequence end-sequence]])
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(defn test-infinite-sequence []
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"NATIVE: test creating infinite sequence"
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(assert (= (list (take 5 (seq [n] n)))
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[0 1 2 3 4])))
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(defn test-indexing-sequence []
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"NATIVE: test indexing sequence"
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(defseq shorty [n]
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(cond [(< n 10) n]
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[true (end-sequence)]))
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(setv 0-to-9 (list (range 10)))
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(assert (= (get shorty 0)
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(get 0-to-9 0))
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"getting first element failed")
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(assert (= (get shorty 5)
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(get 0-to-9 5))
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"getting 5th element failed")
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(assert (= (get shorty -1)
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(get 0-to-9 -1))
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"getting element -1 failed"))
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(defn test-slicing-sequence []
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"NATIVE: test slicing sequence"
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(defseq shorty [n]
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(cond [(< n 10) n]
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[true (end-sequence)]))
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(setv 0-to-9 (list (range 10)))
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(assert (= (first shorty)
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(first 0-to-9))
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"getting first failed")
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(assert (= (list (rest shorty))
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(list (rest 0-to-9)))
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"getting rest failed")
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(assert (= (list (cut shorty 2 6))
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(list (cut 0-to-9 2 6)))
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"cutting 2-6 failed")
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(assert (= (list (cut shorty 2 8 2))
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(list (cut 0-to-9 2 8 2)))
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"cutting 2-8-2 failed")
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(assert (= (list (cut shorty 8 2 -2))
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(list (cut 0-to-9 8 2 -2)))
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"negative cut failed"))
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(defn test-recursive-sequence []
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"NATIVE: test defining a recursive sequence"
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(defseq fibonacci [n]
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(cond [(= n 0) 0]
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[(= n 1) 1]
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[true (+ (get fibonacci (- n 1))
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(get fibonacci (- n 2)))]))
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(assert (= (first fibonacci)
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0)
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"first element of fibonacci didn't match")
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(assert (= (second fibonacci)
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1)
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"second element of fibonacci didn't match")
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(assert (= (get fibonacci 40)
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102334155)
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"40th element of fibonacci didn't match")
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(assert (= (list (take 9 fibonacci))
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[0 1 1 2 3 5 8 13 21])
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"taking 8 elements of fibonacci didn't match"))
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