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;;; text-property-search-tests.el --- Testing text-property-search -*- lexical-binding:t -*-
;; Copyright (C) 2018-2025 Free Software Foundation, Inc.
;; Author: Lars Ingebrigtsen <larsi@gnus.org>
;; Keywords:
;; 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:
;;
;;; Code:
(require 'ert)
(require 'text-property-search)
(require 'cl-lib)
(defun text-property-setup ()
(insert "This is "
(propertize "bold1" 'face 'bold)
" and this is "
(propertize "italic1" 'face 'italic)
(propertize "bold2" 'face 'bold)
(propertize "italic2" 'face 'italic)
" at the end")
(goto-char (point-min)))
(defmacro with-test (form result &optional point)
`(with-temp-buffer
(text-property-setup)
(when ,point
(goto-char ,point))
(should
(equal
(cl-loop for match = ,form
while match
collect (buffer-substring (prop-match-beginning match)
(prop-match-end match)))
,result))))
(ert-deftest text-property-search-forward-bold-t ()
(with-test (text-property-search-forward 'face 'bold t)
'("bold1" "bold2")))
(ert-deftest text-property-search-forward-bold-nil ()
(with-test (text-property-search-forward 'face 'bold nil)
'("This is " " and this is italic1" "italic2 at the end")))
(ert-deftest text-property-search-forward-nil-t ()
(with-test (text-property-search-forward 'face nil t)
'("This is " " and this is " " at the end")))
(ert-deftest text-property-search-forward-nil-nil ()
(with-test (text-property-search-forward 'face nil nil)
'("bold1" "italic1" "bold2" "italic2")))
(ert-deftest text-property-search-forward-partial-bold-t ()
(with-test (text-property-search-forward 'face 'bold t)
'("old1" "bold2")
10))
(ert-deftest text-property-search-forward-partial-non-current-bold-t ()
(with-test (text-property-search-forward 'face 'bold t t)
'("bold2")
10))
(ert-deftest text-property-search-backward-bold-t ()
(with-test (text-property-search-backward 'face 'bold t)
'("bold2" "bold1")
(point-max)))
(ert-deftest text-property-search-backward-bold-nil ()
(with-test (text-property-search-backward 'face 'bold nil)
'( "italic2 at the end" " and this is italic1" "This is ")
(point-max)))
(ert-deftest text-property-search-backward-nil-t ()
(with-test (text-property-search-backward 'face nil t)
'(" at the end" " and this is " "This is ")
(point-max)))
(ert-deftest text-property-search-backward-nil-nil ()
(with-test (text-property-search-backward 'face nil nil)
'("italic2" "bold2" "italic1" "bold1")
(point-max)))
(ert-deftest text-property-search-backward-partial-bold-t ()
(with-test (text-property-search-backward 'face 'bold t)
'("b" "bold1")
35))
(ert-deftest text-property-search-backward-partial-non-current-bold-t ()
(with-test (text-property-search-backward 'face 'bold t t)
'("bold1")
35))
(defmacro with-match-test (form beginning end value &optional point)
`(with-temp-buffer
(text-property-setup)
(when ,point
(goto-char ,point))
(should (equal ,form
(make-prop-match :beginning ,beginning
:end ,end
:value ,value)))))
(ert-deftest text-property-search-forward-prop-match-match-face-nil-nil ()
(with-match-test
(text-property-search-forward 'face nil nil)
9 14 'bold))
(ert-deftest text-property-search-forward-prop-match-match-face-bold-t ()
(with-match-test
(text-property-search-forward 'face 'bold t)
9 14 'bold))
(ert-deftest text-property-search-forward-prop-match-match-face-bold-nil ()
(with-match-test
(text-property-search-forward 'face 'bold nil)
1 9 nil))
(ert-deftest text-property-search-backward-prop-match-match-face-nil-nil ()
(with-match-test
(text-property-search-backward 'face nil nil)
39 46 'italic
(point-max)))
(ert-deftest text-property-search-backward-prop-match-match-face-italic-t ()
(with-match-test
(text-property-search-backward 'face 'italic t)
39 46 'italic
(point-max)))
(ert-deftest text-property-search-backward-prop-match-match-face-italic-nil ()
(with-match-test
(text-property-search-backward 'face 'italic nil)
46 57 nil
(point-max)))
;;;; Position after search.
(ert-deftest text-property-search-forward/point-at-beginning ()
(with-temp-buffer
(insert (concat "1234" (propertize "567" 'x t) "890"))
(goto-char (point-min))
(text-property-search-forward 'x t)
(should (= (point) 5))))
(ert-deftest text-property-search-backward/point-at-end ()
(with-temp-buffer
(insert (concat "1234" (propertize "567" 'x t) "890"))
(goto-char (point-max))
(text-property-search-backward 'x t)
(should (= (point) 8))))
(provide 'text-property-search-tests)
;;; text-property-search-tests.el ends here
|
