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;;; cl-print-tests.el --- Test suite for the cl-print facility. -*- lexical-binding:t -*-
;; Copyright (C) 2017-2018 Free Software Foundation, Inc.
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs 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 for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(require 'ert)
(cl-defstruct cl-print--test a b)
(ert-deftest cl-print-tests-1 ()
"Test cl-print code."
(let ((x (make-cl-print--test :a 1 :b 2)))
(let ((print-circle nil))
(should (equal (cl-prin1-to-string `((x . ,x) (y . ,x)))
"((x . #s(cl-print--test :a 1 :b 2)) (y . #s(cl-print--test :a 1 :b 2)))")))
(let ((print-circle t))
(should (equal (cl-prin1-to-string `((x . ,x) (y . ,x)))
"((x . #1=#s(cl-print--test :a 1 :b 2)) (y . #1#))")))
(should (string-match "\\`#f(compiled-function (x) \"[^\"]+\" [^\)]*)\\'"
(cl-prin1-to-string (symbol-function #'caar))))))
(ert-deftest cl-print-tests-2 ()
(let ((x (record 'foo 1 2 3)))
(should (equal
x
(car (read-from-string (with-output-to-string (prin1 x))))))
(let ((print-circle t))
(should (string-match
"\\`(#1=#s(foo 1 2 3) #1#)\\'"
(cl-prin1-to-string (list x x)))))))
(ert-deftest cl-print-circle ()
(let ((x '(#1=(a . #1#) #1#)))
(let ((print-circle nil))
(should (string-match "\\`((a . #[0-9]) (a . #[0-9]))\\'"
(cl-prin1-to-string x))))
(let ((print-circle t))
(should (equal "(#1=(a . #1#) #1#)" (cl-prin1-to-string x))))))
;;; cl-print-tests.el ends here.
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