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69 lines
2.8 KiB
EmacsLisp
69 lines
2.8 KiB
EmacsLisp
;;; image-tests.el --- Tests for image.c -*- lexical-binding: t -*-
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;; Copyright (C) 2021-2025 Free Software Foundation, Inc.
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;; Author: Stefan Kangas <stefankangas@gmail.com>
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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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(declare-function image-size "image.c" (spec &optional pixels frame))
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(declare-function image-mask-p "image.c" (spec &optional frame))
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(declare-function image-metadata "image.c" (spec &optional frame))
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(defconst image-tests--images
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`((gif . ,(expand-file-name "test/data/image/black.gif"
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source-directory))
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(jpeg . ,(expand-file-name "test/data/image/black.jpg"
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source-directory))
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(pbm . ,(find-image '((:file "splash.svg" :type svg))))
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(png . ,(find-image '((:file "splash.png" :type png))))
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(svg . ,(find-image '((:file "splash.pbm" :type pbm))))
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(tiff . ,(expand-file-name
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"nextstep/GNUstep/Emacs.base/Resources/emacs.tiff"
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source-directory))
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(webp . ,(expand-file-name "test/data/image/black.webp"
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source-directory))
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(xbm . ,(find-image '((:file "gnus/gnus.xbm" :type xbm))))
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(xpm . ,(find-image '((:file "splash.xpm" :type xpm))))))
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(ert-deftest image-tests-image-size/error-on-nongraphical-display ()
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(skip-when (display-images-p))
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(should-error (image-size 'invalid-spec)))
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(ert-deftest image-tests-image-mask-p/error-on-nongraphical-display ()
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(skip-when (display-images-p))
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(should-error (image-mask-p (cdr (assq 'xbm image-tests--images)))))
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(ert-deftest image-tests-image-metadata/error-on-nongraphical-display ()
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(skip-when (display-images-p))
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(should-error (image-metadata (cdr (assq 'xbm image-tests--images)))))
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(ert-deftest image-tests-imagemagick-types ()
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(skip-unless (fboundp 'imagemagick-types))
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(when (fboundp 'imagemagick-types)
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(should (listp (imagemagick-types)))))
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(ert-deftest image-tests-init-image-library ()
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(skip-unless (fboundp 'init-image-library))
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(declare-function init-image-library "image.c" (type))
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(should (init-image-library 'pbm)) ; built-in
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(should-not (init-image-library 'invalid-image-type)))
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;;; image-tests.el ends here
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