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;;; chartab-tests.el --- Tests for char-tab.c -*- lexical-binding: t -*-
;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
;; Author: Eli Zaretskii <eliz@gnu.org>
;; 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/>.
;;; Code:
(require 'ert)
(defun chartab-set-and-test (rng)
(let ((tbl (make-char-table nil nil))
(from (car rng))
(to (cdr rng)))
(set-char-table-range tbl rng t)
(should (eq (aref tbl from) t))
(should (eq (aref tbl to) t))
(should (eq (aref tbl (/ (+ from to) 2)) t))
(when (< to (max-char))
(should-not (eq (aref tbl (1+ to)) t)))
(when (> from 0)
(should-not (eq (aref tbl (1- from)) t)))))
(ert-deftest chartab-test-range-setting ()
(mapc (lambda (elt)
(chartab-set-and-test elt))
'((0 . 127)
(128 . 256)
(#x1000 . #x1fff)
(#x1001 . #x2000)
(#x10000 . #x20000)
(#x10001 . #x1ffff)
(#x20000 . #x30000)
(#xe0e00 . #xe0ef6)
)))
(ert-deftest chartab-test-char-table-p ()
(should (char-table-p (make-char-table 'foo)))
(should (not (char-table-p (make-hash-table)))))
(ert-deftest chartab-test-char-table-subtype ()
(should (eq (char-table-subtype (make-char-table 'foo)) 'foo)))
(ert-deftest chartab-test-char-table-parent ()
(should (eq (char-table-parent (make-char-table 'foo)) nil))
(let ((parent (make-char-table 'foo))
(child (make-char-table 'bar)))
(set-char-table-parent child parent)
(should (eq (char-table-parent child) parent))))
(ert-deftest chartab-test-char-table-extra-slot ()
;; Use any type with extra slots, e.g. 'case-table.
(let ((tbl (make-char-table 'case-table)))
(set-char-table-extra-slot tbl 1 'bar)
(should (eq (char-table-extra-slot tbl 1) 'bar))))
(provide 'chartab-tests)
;;; chartab-tests.el ends here
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