mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-04 08:47:11 +00:00
94 lines
3.4 KiB
EmacsLisp
94 lines
3.4 KiB
EmacsLisp
;;; image-tests.el --- tests for image.el -*- lexical-binding: t -*-
|
|
|
|
;; Copyright (C) 2019-2021 Free Software Foundation, Inc.
|
|
|
|
;; 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)
|
|
(require 'image)
|
|
(eval-when-compile
|
|
(require 'cl-lib))
|
|
|
|
(defconst image-tests--emacs-images-directory
|
|
(expand-file-name "images" data-directory)
|
|
"Directory containing Emacs images.")
|
|
|
|
(ert-deftest image--set-property ()
|
|
"Test `image--set-property' behavior."
|
|
(let ((image (list 'image)))
|
|
;; Add properties.
|
|
(setf (image-property image :scale) 1)
|
|
(should (equal image '(image :scale 1)))
|
|
(setf (image-property image :width) 8)
|
|
(should (equal image '(image :scale 1 :width 8)))
|
|
(setf (image-property image :height) 16)
|
|
(should (equal image '(image :scale 1 :width 8 :height 16)))
|
|
;; Delete properties.
|
|
(setf (image-property image :type) nil)
|
|
(should (equal image '(image :scale 1 :width 8 :height 16)))
|
|
(setf (image-property image :scale) nil)
|
|
(should (equal image '(image :width 8 :height 16)))
|
|
(setf (image-property image :height) nil)
|
|
(should (equal image '(image :width 8)))
|
|
(setf (image-property image :width) nil)
|
|
(should (equal image '(image)))))
|
|
|
|
(ert-deftest image-find-image ()
|
|
(find-image '((:type xpm :file "undo.xpm")))
|
|
(find-image '((:type png :file "newsticker/rss-feed.png" :ascent center))))
|
|
|
|
(ert-deftest image-type-from-file-name ()
|
|
(should (eq (image-type-from-file-name "foo.jpg") 'jpeg))
|
|
(should (eq (image-type-from-file-name "foo.png") 'png)))
|
|
|
|
(ert-deftest image-type/from-filename ()
|
|
;; On emba, `image-types' and `image-load-path' do not exist.
|
|
(skip-unless (and (bound-and-true-p image-types)
|
|
(bound-and-true-p image-load-path)))
|
|
(should (eq (image-type "foo.jpg") 'jpeg)))
|
|
|
|
(ert-deftest image-type-from-file-header-test ()
|
|
"Test image-type-from-file-header."
|
|
(should (eq (if (image-type-available-p 'svg) 'svg)
|
|
(image-type-from-file-header
|
|
(expand-file-name "splash.svg"
|
|
image-tests--emacs-images-directory)))))
|
|
|
|
(ert-deftest image-rotate ()
|
|
"Test `image-rotate'."
|
|
(cl-letf* ((image (list 'image))
|
|
((symbol-function 'image--get-imagemagick-and-warn)
|
|
(lambda () image)))
|
|
(let ((current-prefix-arg '(4)))
|
|
(call-interactively #'image-rotate))
|
|
(should (equal image '(image :rotation 270.0)))
|
|
(call-interactively #'image-rotate)
|
|
(should (equal image '(image :rotation 0.0)))
|
|
(image-rotate)
|
|
(should (equal image '(image :rotation 90.0)))
|
|
(image-rotate 0)
|
|
(should (equal image '(image :rotation 90.0)))
|
|
(image-rotate 1)
|
|
(should (equal image '(image :rotation 91.0)))
|
|
(image-rotate 1234.5)
|
|
(should (equal image '(image :rotation 245.5)))
|
|
(image-rotate -154.5)
|
|
(should (equal image '(image :rotation 91.0)))))
|
|
|
|
;;; image-tests.el ends here
|