1 ;;; buffer-tests.el --- tests for buffer.c functions -*- lexical-binding: t -*-
3 ;; Copyright (C) 2015-2018 Free Software Foundation, Inc.
5 ;; This file is part of GNU Emacs.
7 ;; GNU Emacs is free software: you can redistribute it and/or modify
8 ;; it under the terms of the GNU General Public License as published by
9 ;; the Free Software Foundation, either version 3 of the License, or
10 ;; (at your option) any later version.
12 ;; GNU Emacs is distributed in the hope that it will be useful,
13 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 ;; GNU General Public License for more details.
17 ;; You should have received a copy of the GNU General Public License
18 ;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
24 (ert-deftest overlay-modification-hooks-message-other-buf
()
26 After a modification-hook has been run and there is an overlay in
27 the *Messages* buffer, the message coalescing [2 times] wrongly
28 runs the modification-hook of the overlay in the 1st buffer, but
29 with parameters from the *Messages* buffer modification."
34 (overlay-put (make-overlay 1 3)
36 (list (lambda (&rest _
)
37 (setq buf
(current-buffer)))))
42 (setq msg-ov
(make-overlay 1 1 (get-buffer-create "*Messages*")))
45 (should (eq buf
(current-buffer))))
46 (when msg-ov
(delete-overlay msg-ov
))))))
48 (ert-deftest overlay-modification-hooks-deleted-overlay
()
50 (let ((check-point nil
)
55 (setq ov-set
(make-overlay 1 3))
56 (overlay-put ov-set
'modification-hooks
57 (list (lambda (_o after
&rest _args
)
58 (and after
(setq check-point t
)))))
59 (setq ov-delete
(make-overlay 1 3))
60 (overlay-put ov-delete
'modification-hooks
61 (list (lambda (o after
&rest _args
)
62 (and (not after
) (delete-overlay o
)))))
65 (should (eq check-point t
)))))
67 (ert-deftest test-generate-new-buffer-name-bug27966
()
68 (should-not (string-equal "nil"
69 (progn (get-buffer-create "nil")
70 (generate-new-buffer-name "nil")))))
72 (ert-deftest test-buffer-base-buffer-indirect
()
74 (let* ((ind-buf-name (generate-new-buffer-name "indbuf"))
75 (ind-buf (make-indirect-buffer (current-buffer) ind-buf-name
)))
76 (should (eq (buffer-base-buffer ind-buf
) (current-buffer))))))
78 (ert-deftest test-buffer-base-buffer-non-indirect
()
80 (should (eq (buffer-base-buffer (current-buffer)) nil
))))
82 ;;; buffer-tests.el ends here