hy/tests/native_tests/extra/anaphoric.hy
2017-10-26 12:55:48 -06:00

127 lines
4.0 KiB
Hy

;; Copyright 2017 the authors.
;; This file is part of Hy, which is free software licensed under the Expat
;; license. See the LICENSE.
(import [hy.errors [HyMacroExpansionError]])
(require [hy.extra.anaphoric [*]])
;;;; some simple helpers
(defn assert-true [x]
(assert (= True x)))
(defn assert-false [x]
(assert (= False x)))
(defn assert-equal [x y]
(assert (= x y)))
(defn test-ap-if []
"NATIVE: testing anaphoric if"
(ap-if True (assert-true it))
(ap-if False True (assert-false it)))
(defn test-ap-each []
"NATIVE: testing anaphoric each"
(setv res [])
(ap-each [1 2 3 4] (.append res it))
(assert-equal res [1 2 3 4]))
(defn test-ap-each-while []
"NATIVE: testing anaphoric each-while"
(setv res [])
(ap-each-while [2 2 4 3 4 5 6] (even? it) (.append res it))
(assert-equal res [2 2 4]))
(defn test-ap-map []
"NATIVE: testing anaphoric map"
(assert-equal (list (ap-map (* it 3) [1 2 3]))
[3 6 9])
(assert-equal (list (ap-map (* it 3) []))
[])
(assert-equal (do (setv v 1 f 1) (list (ap-map (it v f) [(fn [a b] (+ a b))])))
[2]))
(defn test-ap-map-when []
"NATIVE: testing anaphoric map-when"
(assert-equal (list (ap-map-when even? (* it 2) [1 2 3 4]))
[1 4 3 8]))
(defn test-ap-filter []
"NATIVE: testing anaphoric filter"
(assert-equal (list (ap-filter (> it 2) [1 2 3 4]))
[3 4])
(assert-equal (list (ap-filter (even? it) [1 2 3 4]))
[2 4]))
(defn test-ap-reject []
"NATIVE: testing anaphoric filter"
(assert-equal (list (ap-reject (> it 2) [1 2 3 4]))
[1 2])
(assert-equal (list (ap-reject (even? it) [1 2 3 4]))
[1 3]))
(defn test-ap-dotimes []
"NATIVE: testing anaphoric dotimes"
(assert-equal (do (setv n []) (ap-dotimes 3 (.append n 3)) n)
[3 3 3])
(assert-equal (do (setv n []) (ap-dotimes 3 (.append n it)) n)
[0 1 2]))
(defn test-ap-first []
"NATIVE: testing anaphoric first"
(assert-equal (ap-first (> it 5) (range 10)) 6)
(assert-equal (ap-first (even? it) [1 2 3 4]) 2)
(assert-equal (ap-first (> it 10) (range 10)) None))
(defn test-ap-last []
"NATIVE: testing anaphoric last"
(assert-equal (ap-last (> it 5) (range 10)) 9)
(assert-equal (ap-last (even? it) [1 2 3 4]) 4)
(assert-equal (ap-last (> it 10) (range 10)) None))
(defn test-ap-reduce []
"NATIVE: testing anaphoric reduce"
(assert-equal (ap-reduce (* acc it) [1 2 3]) 6)
(assert-equal (ap-reduce (* acc it) [1 2 3] 6) 36)
(assert-equal (ap-reduce (+ acc " on " it) ["Hy" "meth"])
"Hy on meth")
(assert-equal (ap-reduce (+ acc it) [] 1) 1))
(defn test-ap-pipe []
"NATIVE: testing anaphoric pipe"
(assert-equal (ap-pipe 2 (+ it 1) (* it 3)) 9)
(assert-equal (ap-pipe [4 5 6 7] (list (rest it)) (len it)) 3))
(defn test-ap-compose []
"NATIVE: testing anaphoric compose"
(assert-equal ((ap-compose (+ it 1) (* it 3)) 2) 9)
(assert-equal ((ap-compose (list (rest it)) (len it)) [4 5 6 7]) 3))
(defn test-tag-fn []
"NATIVE: testing #%() forms"
;; test ordering
(assert-equal (#%(/ %1 %2) 2 4) 0.5)
(assert-equal (#%(/ %2 %1) 2 4) 2)
(assert-equal (#%(identity (, %5 %4 %3 %2 %1)) 1 2 3 4 5) (, 5 4 3 2 1))
(assert-equal (#%(identity (, %1 %2 %3 %4 %5)) 1 2 3 4 5) (, 1 2 3 4 5))
(assert-equal (#%(identity (, %1 %5 %2 %3 %4)) 1 2 3 4 5) (, 1 5 2 3 4))
;; test &rest
(assert-equal (#%(sum %&) 1 2 3) 6)
(assert-equal (#%(identity (, %1 %&)) 10 1 2 3) (, 10 (, 1 2 3)))
;; no parameters
(assert-equal (#%(list)) [])
(assert-equal (#%(identity "Hy!")) "Hy!")
(assert-equal (#%(identity "%&")) "%&")
(assert-equal (#%(+ "Hy " "world!")) "Hy world!")
;; test skipped parameters
(assert-equal (#%(identity [%3 %1]) 1 2 3) [3 1])
;; test nesting
(assert-equal (#%(identity [%1 (, %2 [%3] "Hy" [%&])]) 1 2 3 4 5)
[1 (, 2 [3] "Hy" [(, 4 5)])])
;; test arg as function
(assert-equal (#%(%1 2 4) +) 6)
(assert-equal (#%(%1 2 4) -) -2)
(assert-equal (#%(%1 2 4) /) 0.5))