diff options
| author | Stefan Monnier <monnier@iro.umontreal.ca> | 2022-09-25 16:15:16 -0400 |
|---|---|---|
| committer | Stefan Monnier <monnier@iro.umontreal.ca> | 2022-09-25 16:15:16 -0400 |
| commit | 650c20f1ca4e07591a727e1cfcc74b3363d15985 (patch) | |
| tree | 85d11f6437cde22f410c25e0e5f71a3131ebd07d /test/lisp/textmodes/fill-tests.el | |
| parent | 8869332684c2302b5ba1ead4568bbc7ba1c0183e (diff) | |
| parent | 4b85ae6a24380fb67a3315eaec9233f17a872473 (diff) | |
| download | emacs-650c20f1ca4e07591a727e1cfcc74b3363d15985.tar.gz emacs-650c20f1ca4e07591a727e1cfcc74b3363d15985.tar.bz2 emacs-650c20f1ca4e07591a727e1cfcc74b3363d15985.zip | |
Merge 'master' into noverlay
Diffstat (limited to 'test/lisp/textmodes/fill-tests.el')
| -rw-r--r-- | test/lisp/textmodes/fill-tests.el | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/test/lisp/textmodes/fill-tests.el b/test/lisp/textmodes/fill-tests.el new file mode 100644 index 00000000000..f2a0daf8122 --- /dev/null +++ b/test/lisp/textmodes/fill-tests.el @@ -0,0 +1,126 @@ +;;; fill-tests.el --- ERT tests for fill.el -*- lexical-binding: t -*- + +;; Copyright (C) 2017-2022 Free Software Foundation, Inc. + +;; Author: Marcin Borkowski <mbork@mbork.pl> +;; Keywords: text, wp + +;; 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: + +;; This package defines tests for the filling feature, specifically +;; the `fill-polish-nobreak-p' function. + +;;; Code: + +(require 'ert) + +(ert-deftest fill-test-no-fill-polish-nobreak-p nil + "Tests of the `fill-polish-nobreak-p' function." + (with-temp-buffer + (insert "Abc d efg (h ijk).") + (setq fill-column 8) + (setq-local fill-nobreak-predicate '()) + (fill-paragraph) + (should (string= (buffer-string) "Abc d\nefg (h\nijk)."))) + (with-temp-buffer + (insert "Abc d efg (h ijk).") + (setq fill-column 8) + (setq-local fill-nobreak-predicate '(fill-polish-nobreak-p)) + (fill-paragraph) + (should (string= (buffer-string) "Abc\nd efg\n(h ijk).")))) + +(ert-deftest fill-test-unbreakable-paragraph () + ;; See bug#45720 and bug#53537. + :expected-result :failed + (with-temp-buffer + (let ((string "aaa = baaaaaaaaaaaaaaaaaaaaaaaaaaaa\n")) + (insert string) + (goto-char (point-min)) + (search-forward "b") + (let* ((pos (point)) + (beg (pos-bol)) + (end (pos-eol)) + (fill-prefix (make-string (- pos beg) ?\s)) + ;; `fill-column' is too small to accommodate the current line + (fill-column (- end beg 10))) + (fill-region-as-paragraph beg end nil nil pos)) + (should (equal (buffer-string) string))))) + +(ert-deftest fill-test-breakable-paragraph () + (with-temp-buffer + (let ((string "aaa = baaaaaaaa aaaaaaaaaa aaaaaaaaaa\n")) + (insert string) + (goto-char (point-min)) + (search-forward "b") + (let* ((pos (point)) + (beg (pos-bol)) + (end (pos-eol)) + (fill-prefix (make-string (- pos beg) ?\s)) + ;; `fill-column' is too small to accommodate the current line + (fill-column (- end beg 10))) + (fill-region-as-paragraph beg end nil nil pos)) + (should (equal + (buffer-string) + "aaa = baaaaaaaa aaaaaaaaaa\n aaaaaaaaaa\n"))))) + +(ert-deftest test-fill-end-period () + (should + (equal + (with-temp-buffer + (text-mode) + (auto-fill-mode) + (insert "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eius.") + (self-insert-command 1 ?\s) + (buffer-string)) + "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eius. ")) + (should + (equal + (with-temp-buffer + (text-mode) + (auto-fill-mode) + (insert "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eius.Foo") + (forward-char -3) + (self-insert-command 1 ?\s) + (buffer-string)) + "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do +eius. Foo"))) + +(ert-deftest test-fill-haskell () + (should + (equal + (with-temp-buffer + (asm-mode) + (dolist (line '(" ;; a b c" + " ;; d e f" + " ;; x y z" + " ;; w")) + (insert line "\n")) + (goto-char (point-min)) + (end-of-line) + (setf fill-column 10) + (fill-paragraph nil) + (buffer-string)) + " ;; a b c + ;; d e f + ;; x y z + ;; w +"))) + +(provide 'fill-tests) + +;;; fill-tests.el ends here |