mirror of
https://github.com/janet-lang/janet
synced 2024-11-28 19:19:53 +00:00
44 lines
1.9 KiB
Plaintext
44 lines
1.9 KiB
Plaintext
# Copyright (c) 2023 Calvin Rose & contributors
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
# of this software and associated documentation files (the "Software"), to
|
|
# deal in the Software without restriction, including without limitation the
|
|
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
|
# sell copies of the Software, and to permit persons to whom the Software is
|
|
# furnished to do so, subject to the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be included in
|
|
# all copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
# IN THE SOFTWARE.
|
|
|
|
(import ./helper :prefix "" :exit true)
|
|
(start-suite 13)
|
|
|
|
(assert (deep= (tabseq [i :in (range 3)] i (* 3 i))
|
|
@{0 0 1 3 2 6}))
|
|
|
|
(assert (deep= (tabseq [i :in (range 3)] i)
|
|
@{}))
|
|
|
|
(def- sym-prefix-peg
|
|
(peg/compile
|
|
~{:symchar (+ (range "\x80\xff" "AZ" "az" "09") (set "!$%&*+-./:<?=>@^_"))
|
|
:anchor (drop (cmt ($) ,|(= $ 0)))
|
|
:cap (* (+ (> -1 (not :symchar)) :anchor) (* ($) '(some :symchar)))
|
|
:recur (+ :cap (> -1 :recur))
|
|
:main (> -1 :recur)}))
|
|
|
|
(assert (deep= (peg/match sym-prefix-peg @"123" 3) @[0 "123"]) "peg lookback")
|
|
(assert (deep= (peg/match sym-prefix-peg @"1234" 4) @[0 "1234"]) "peg lookback 2")
|
|
|
|
(assert (deep= (peg/replace-all '(* (<- 1) 1 (backmatch)) "xxx" "aba cdc efa") @"xxx xxx efa") "peg replace-all 1")
|
|
|
|
(end-suite)
|