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;;; shadow-tests.el --- Test suite for shadow. -*- lexical-binding: t -*-
;; Copyright (C) 2018-2020 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 'shadow)
(eval-when-compile (require 'cl-lib))
(defconst shadow-tests-data-directory
(expand-file-name "lisp/emacs-lisp/shadow-resources"
(or (getenv "EMACS_TEST_DIRECTORY")
(expand-file-name "../../.."
(or load-file-name
buffer-file-name))))
"Directory for shadow test files.")
(ert-deftest shadow-case-insensitive ()
"Test shadowing for case insensitive filenames."
;; Override `file-name-case-insensitive-p' so we test the same thing
;; regardless of what file system we're running on.
(cl-letf (((symbol-function 'file-name-case-insensitive-p) (lambda (_f) t)))
(should (equal (list (expand-file-name "p1/foo" shadow-tests-data-directory)
(expand-file-name "p2/FOO" shadow-tests-data-directory))
(load-path-shadows-find
(list (expand-file-name "p1/" shadow-tests-data-directory)
(expand-file-name "p2/" shadow-tests-data-directory))))))
(cl-letf (((symbol-function 'file-name-case-insensitive-p) (lambda (_f) nil)))
(should-not (load-path-shadows-find
(list (expand-file-name "p1/" shadow-tests-data-directory)
(expand-file-name "p2/" shadow-tests-data-directory))))))
;;; shadow-tests.el ends here.
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