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;;; isearch-tests.el --- Tests for isearch.el -*- lexical-binding: t; -*-
;; Copyright (C) 2013-2025 Free Software Foundation, Inc.
;; Author: Artur Malabarba <bruce.connor.am@gmail.com>
;; 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)
(ert-deftest isearch--test-update ()
(with-temp-buffer
(setq isearch--current-buffer (current-buffer)))
(with-temp-buffer
(isearch-update)
(should (equal isearch--current-buffer (current-buffer)))))
(ert-deftest isearch--test-done ()
;; Normal operation.
(isearch-update)
(isearch-done)
(should-not isearch--current-buffer)
;; Bug #21091: let `isearch-done' work without `isearch-update'.
(isearch-done))
;; Search invisible.
(declare-function outline-hide-sublevels "outline")
(ert-deftest isearch--test-invisible ()
(require 'outline)
(with-temp-buffer
(set-window-buffer nil (current-buffer))
(insert "\n1\n"
(propertize "2" 'invisible t)
(propertize "3" 'inhibit-isearch t)
"\n* h\n4\n\n")
(outline-mode)
(outline-hide-sublevels 1)
(goto-char (point-min))
(let ((isearch-lazy-count nil)
(search-invisible t)
(inhibit-message t))
(isearch-forward-regexp nil 1)
(isearch-process-search-string "[0-9]" "[0-9]")
(should (eq (point) 3))
(isearch-lazy-highlight-start)
(should (equal (seq-uniq (mapcar #'overlay-start isearch-lazy-highlight-overlays))
'(2)))
(isearch-repeat-forward)
(should (eq (point) 5))
(should (get-char-property 4 'invisible))
(isearch-repeat-forward)
(should (eq (point) 12))
(should (get-char-property 11 'invisible))
(goto-char isearch-opoint)
(isearch-done t)
(isearch-forward-regexp nil 1)
(setq isearch-invisible nil) ;; isearch-toggle-invisible
(isearch-process-search-string "[0-9]" "[0-9]")
(isearch-lazy-highlight-start)
(should (equal (seq-uniq (mapcar #'overlay-start isearch-lazy-highlight-overlays))
'(2)))
(goto-char isearch-opoint)
(isearch-done t)
(isearch-forward-regexp nil 1)
(setq isearch-invisible 'open) ;; isearch-toggle-invisible
(isearch-process-search-string "[0-9]" "[0-9]")
(should (eq (point) 3))
(isearch-lazy-highlight-start)
(should (equal (seq-uniq (mapcar #'overlay-start isearch-lazy-highlight-overlays))
'(2 11)))
(let ((isearch-hide-immediately t))
(isearch-repeat-forward)
(should (eq (point) 12))
(should-not (get-char-property 11 'invisible))
(isearch-delete-char)
(should (get-char-property 11 'invisible)))
(let ((isearch-hide-immediately nil))
(isearch-repeat-forward)
(should (eq (point) 12))
(should-not (get-char-property 11 'invisible))
(isearch-delete-char)
(should-not (get-char-property 11 'invisible)))
(goto-char isearch-opoint)
(isearch-done t)
(isearch-clean-overlays)
(should (get-char-property 11 'invisible)))
(let ((isearch-lazy-count t)
(search-invisible t)
(inhibit-message t))
(isearch-forward-regexp nil 1)
(isearch-process-search-string "[0-9]" "[0-9]")
(should (eq (point) 3))
(setq isearch-lazy-count-invisible nil isearch-lazy-count-total nil)
(isearch-lazy-highlight-start)
(isearch-lazy-highlight-buffer-update)
(should (eq isearch-lazy-count-invisible nil))
(should (eq isearch-lazy-count-total 3))
(should (equal (seq-uniq (mapcar #'overlay-start isearch-lazy-highlight-overlays))
'(2)))
(isearch-repeat-forward)
(should (eq (point) 5))
(should (get-char-property 4 'invisible))
(isearch-repeat-forward)
(should (eq (point) 12))
(should (get-char-property 11 'invisible))
(goto-char isearch-opoint)
(isearch-done t)
(isearch-forward-regexp nil 1)
(setq isearch-invisible nil) ;; isearch-toggle-invisible
(isearch-process-search-string "[0-9]" "[0-9]")
(setq isearch-lazy-count-invisible nil isearch-lazy-count-total nil)
(isearch-lazy-highlight-start)
(isearch-lazy-highlight-buffer-update)
(should (eq isearch-lazy-count-invisible 2))
(should (eq isearch-lazy-count-total 1))
(should (equal (seq-uniq (mapcar #'overlay-start isearch-lazy-highlight-overlays))
'(2)))
(goto-char isearch-opoint)
(isearch-done t)
(isearch-forward-regexp nil 1)
(setq isearch-invisible 'open) ;; isearch-toggle-invisible
(isearch-process-search-string "[0-9]" "[0-9]")
(should (eq (point) 3))
(setq isearch-lazy-count-invisible nil isearch-lazy-count-total nil)
(isearch-lazy-highlight-start)
(isearch-lazy-highlight-buffer-update)
(should (eq isearch-lazy-count-invisible 1))
(should (eq isearch-lazy-count-total 2))
(should (equal (seq-uniq (mapcar #'overlay-start isearch-lazy-highlight-overlays))
'(2 11)))
(let ((isearch-hide-immediately t))
(isearch-repeat-forward)
(should (eq (point) 12))
(should-not (get-char-property 11 'invisible))
(isearch-delete-char)
(should (get-char-property 11 'invisible)))
(let ((isearch-hide-immediately nil))
(isearch-repeat-forward)
(should (eq (point) 12))
(should-not (get-char-property 11 'invisible))
(isearch-delete-char)
(should-not (get-char-property 11 'invisible)))
(goto-char isearch-opoint)
(isearch-done t)
(isearch-clean-overlays)
(should (get-char-property 11 'invisible)))))
;; Search functions.
(defun isearch--test-search-within-boundaries (pairs)
(goto-char (point-min))
(let ((isearch-forward t)
(isearch-regexp nil))
(dolist (pos (append pairs nil))
(should (eq (cdr pos) (isearch-search-string "foo" nil t)))
(should (equal (match-string 0) "foo"))
(when (car pos) (should (eq (car pos) (match-beginning 0))))))
(goto-char (point-max))
(let ((isearch-forward nil)
(isearch-regexp nil))
(dolist (pos (append (reverse pairs) nil))
(should (eq (car pos) (isearch-search-string "foo" nil t)))
(should (equal (match-string 0) "foo"))
(when (cdr pos) (should (eq (cdr pos) (match-end 0))))))
(goto-char (point-min))
(let ((isearch-forward t)
(isearch-regexp t))
(dolist (pos (append pairs nil))
(should (eq (cdr pos) (isearch-search-string ".*" nil t)))
(should (equal (match-string 0) "foo"))
(when (car pos) (should (eq (car pos) (match-beginning 0))))))
(goto-char (point-min))
(let ((isearch-forward t)
(isearch-regexp t))
(dolist (pos (append pairs nil))
(should (eq (cdr pos) (isearch-search-string "^.*" nil t)))
(should (equal (match-string 0) "foo"))
(when (car pos) (should (eq (car pos) (match-beginning 0))))))
(goto-char (point-min))
(let ((isearch-forward t)
(isearch-regexp t))
(dolist (pos (append pairs nil))
(should (eq (cdr pos) (isearch-search-string ".*$" nil t)))
(should (equal (match-string 0) "foo"))
(when (car pos) (should (eq (car pos) (match-beginning 0))))))
(goto-char (point-max))
(let ((isearch-forward nil)
(isearch-regexp t))
(dolist (pos (append (reverse pairs) nil))
(should (eq (car pos) (isearch-search-string "^.*" nil t)))
(should (equal (match-string 0) "foo"))
(when (cdr pos) (should (eq (cdr pos) (match-end 0))))))
(goto-char (point-max))
(let ((isearch-forward nil)
(isearch-regexp t))
(dolist (pos (append (reverse pairs) nil))
(should (eq (car pos) (isearch-search-string "foo$" nil t)))
(should (equal (match-string 0) "foo"))
(when (cdr pos) (should (eq (cdr pos) (match-end 0)))))))
(ert-deftest isearch--test-search-fun-in-text-property ()
(let* ((pairs '((4 . 7) (11 . 14) (21 . 24)))
(isearch-search-fun-function
(lambda () (isearch-search-fun-in-text-property nil 'dired-filename))))
(with-temp-buffer
(insert "foo" (propertize "foo" 'dired-filename t) "foo\n")
(insert (propertize "foo" 'dired-filename t) "foo\n")
(insert "foo" (propertize "foo" 'dired-filename t) "\n")
(isearch--test-search-within-boundaries pairs))))
(ert-deftest isearch--test-search-fun-in-noncontiguous-region ()
(let* ((pairs '((4 . 7) (11 . 14) (21 . 24)))
(isearch-search-fun-function
(lambda () (isearch-search-fun-in-noncontiguous-region nil pairs))))
(with-temp-buffer
(insert "foofoofoo\n")
(insert "foofoo\n")
(insert "foofoo\n")
(isearch--test-search-within-boundaries pairs))))
(provide 'isearch-tests)
;;; isearch-tests.el ends here
|
