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82 lines
3.2 KiB
EmacsLisp
82 lines
3.2 KiB
EmacsLisp
;;; search-tests.el --- tests for search.c functions -*- lexical-binding: t -*-
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;; Copyright (C) 2015-2016, 2018-2025 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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;; This test was bad: modification hooks should never modify
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;; the buffer text, because it causes problems in too many places.
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;;(ert-deftest test-replace-match-modification-hooks () ;bug#42424
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;; (let ((ov-set nil))
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;; (with-temp-buffer
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;; (insert "1 abc")
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;; (setq ov-set (make-overlay 3 5))
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;; (overlay-put
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;; ov-set 'modification-hooks
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;; (list (lambda (_o after &rest _args)
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;; (when after
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;; (let ((inhibit-modification-hooks t))
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;; (save-excursion
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;; (goto-char 2)
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;; (insert "234")))))))
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;; (goto-char 3)
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;; (if (search-forward "bc")
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;; (replace-match "bcd"))
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;; (should (= (point) 10)))))
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(ert-deftest search-test--replace-match-update-data ()
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(with-temp-buffer
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(pcase-dolist (`(,pre ,post) '(("" "")
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("a" "")
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("" "b")
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("a" "b")))
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(erase-buffer)
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(insert "hello ")
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(save-excursion (insert pre post " world"))
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(should (looking-at
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(concat "\\(\\)" pre "\\(\\)\\(\\(\\)\\)\\(\\)" post "\\(\\)")))
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(let* ((beg0 (match-beginning 0))
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(beg4 (+ beg0 (length pre)))
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(end4 (+ beg4 (length "BOO")))
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(end0 (+ end4 (length post))))
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(replace-match "BOO" t t nil 4)
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(should (equal (match-beginning 0) beg0))
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(should (equal (match-beginning 1) beg0))
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(should (equal (match-beginning 2) beg4))
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(should (equal (match-beginning 3) beg4))
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(should (equal (match-beginning 4) beg4))
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(should (equal (match-end 6) end0))
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(should (equal (match-end 5) end4))
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(should (equal (match-end 4) end4))
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(should (equal (match-end 3) end4))
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(should (equal (match-end 0) end0))
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;; `update_search_regs' doesn't have enough information to get
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;; the ones below correctly in all cases.
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(when (> (length post) 0)
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(should (equal (match-beginning 6) end0)))
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(when (> (length pre) 0)
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(should (equal (match-end 1) beg0)))
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;; `update_search_regs' doesn't have enough information to get
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;; the ones below correctly at all.
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;;(should (equal (match-beginning 5) end4))
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;;(should (equal (match-end 2) beg4))
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))))
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;;; search-tests.el ends here
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