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;;; main.lisp - 2025-02-16
;; Copyright (C) 2025 Aryadev Chavali
;; This program is distributed in the hope that it will be useful, but WITHOUT
;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
;; FOR A PARTICULAR PURPOSE. See the GNU General Public License Version 2 for
;; details.
;; You may distribute and modify this code under the terms of the GNU General
;; Public License Version 2, which you should have received a copy of along with
;; this program. If not, please go to <https://www.gnu.org/licenses/>.
;;; Code:
(defpackage cantedraw/tests/macros
(:use :cl :cantedraw.lib.macros
:parachute))
(in-package :cantedraw/tests/macros)
(define-test macro-test)
(define-test (macro-test "-->")
(true (null (--> x)))
(is eq 'a (--> x 'a))
(is eq 2 (--> x 1 (1+ x)))
(is eq 2 (--> x 1 1+))
(is string= "World!" (--> _ "Hello" (format nil "~a World!" _) (subseq _ 6))))
(define-test (macro-test "->>")
(true (null (->>)))
(let ((a (gensym))
(b (gensym))
(c (gensym))
(d (gensym)))
(is eq a (->> a))
(is equal `(,a ,b) (macroexpand `(->> ,b (,a))))
(is equal `(,a ,b) (macroexpand `(->> ,b ,a)))
(is equal `(,a (,b ,c)) (macroexpand `(->> ,c (,b) (,a))))
(is equal `(,a (,b ,c)) (macroexpand `(->> ,c ,b ,a)))
(is equal `(,a ,b ,c) (macroexpand `(->> ,c (,a ,b))))
(is equal `(,a ,b (,c ,d)) (macroexpand `(->> (,c ,d) (,a ,b))))
(is equal `(,a (,b (,c ,d))) (macroexpand `(->> ,d (,c) (,b) (,a))))
(is equal `(,a (,b (,c ,d))) (macroexpand `(->> ,d ,c ,b ,a))))
(is string= "Hello, World!" (->> "world!" (format nil "hello, ~a") string-capitalize)))
(define-test (macro-test "-<>")
(true (null (-<>)))
(let ((a (gensym))
(b (gensym))
(c (gensym))
(d (gensym)))
(is eq a (-<> a))
(is equal `(,a ,b) (macroexpand `(-<> ,b (,a))))
(is equal `(,a ,b) (macroexpand `(-<> ,b ,a)))
(is equal `(,a (,b ,c)) (macroexpand `(-<> ,c (,b) (,a))))
(is equal `(,a (,b ,c)) (macroexpand `(-<> ,c ,b ,a)))
(is equal `(,a ,b ,c) (macroexpand `(-<> ,b (,a ,c))))
(is equal `(,a (,b (,c ,d))) (macroexpand `(-<> ,d (,c) (,b) (,a))))
(is equal `(,a (,b (,c ,d))) (macroexpand `(-<> ,d ,c ,b ,a)))
(is equal `(,a (,b ,c) ,d) (macroexpand `(-<> ,c (,b) (,a ,d)))))
(is equal 69 (-<> 489 (- 420)))
(is string= "HELLO" (-<> "Hello World!" (subseq 0 5) string-upcase)))
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