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9e79d59790
e133b63(origin/emacs-26) Avoid adverse side effects of fixing bug#21824cc8f334Document changes called out in NEWS20ecc52; * etc/NEWS: Document recent change in 'thing-at-point'.1fc5283; INSTALL: Fix a typo in the last commit.24f240dTiny doc updates re yum/dnf etc41c2d25Remove unused variable1e3b3faFix (thing-at-point 'list) regression (Bug#31772)219893aClarify meaning of '*'41cdda2* etc/PROBLEMS: Document Ubuntu 16.04 issue.1c22f03Increase default value for imenu-auto-rescan-maxoutee84389Improve recent change to ELisp manualff374e4* doc/lispref/display.texi (SVG Images): Improve wording.3a0caf6* doc/lispref/display.texi (SVG Images): Fix a typo. (Bug#32... Conflicts: doc/lispref/lists.texi etc/NEWS
82 lines
3 KiB
EmacsLisp
82 lines
3 KiB
EmacsLisp
;;; buffer-tests.el --- tests for buffer.c functions -*- lexical-binding: t -*-
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;; Copyright (C) 2015-2018 Free Software Foundation, Inc.
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Code:
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(require 'ert)
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(ert-deftest overlay-modification-hooks-message-other-buf ()
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"Test for bug#21824.
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After a modification-hook has been run and there is an overlay in
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the *Messages* buffer, the message coalescing [2 times] wrongly
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runs the modification-hook of the overlay in the 1st buffer, but
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with parameters from the *Messages* buffer modification."
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(let ((buf nil)
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(msg-ov nil))
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(with-temp-buffer
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(insert "123")
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(overlay-put (make-overlay 1 3)
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'modification-hooks
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(list (lambda (&rest _)
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(setq buf (current-buffer)))))
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(goto-char 2)
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(insert "x")
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(unwind-protect
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(progn
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(setq msg-ov (make-overlay 1 1 (get-buffer-create "*Messages*")))
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(message "a message")
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(message "a message")
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(should (eq buf (current-buffer))))
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(when msg-ov (delete-overlay msg-ov))))))
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(ert-deftest overlay-modification-hooks-deleted-overlay ()
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"Test for bug#30823."
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(let ((check-point nil)
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(ov-delete nil)
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(ov-set nil))
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(with-temp-buffer
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(insert "abc")
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(setq ov-set (make-overlay 1 3))
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(overlay-put ov-set 'modification-hooks
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(list (lambda (_o after &rest _args)
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(and after (setq check-point t)))))
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(setq ov-delete (make-overlay 1 3))
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(overlay-put ov-delete 'modification-hooks
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(list (lambda (o after &rest _args)
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(and (not after) (delete-overlay o)))))
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(goto-char 2)
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(insert "1")
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(should (eq check-point t)))))
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(ert-deftest test-generate-new-buffer-name-bug27966 ()
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(should-not (string-equal "nil"
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(progn (get-buffer-create "nil")
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(generate-new-buffer-name "nil")))))
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(ert-deftest test-buffer-base-buffer-indirect ()
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(with-temp-buffer
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(let* ((ind-buf-name (generate-new-buffer-name "indbuf"))
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(ind-buf (make-indirect-buffer (current-buffer) ind-buf-name)))
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(should (eq (buffer-base-buffer ind-buf) (current-buffer))))))
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(ert-deftest test-buffer-base-buffer-non-indirect ()
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(with-temp-buffer
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(should (eq (buffer-base-buffer (current-buffer)) nil))))
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;;; buffer-tests.el ends here
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