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97 lines
4.3 KiB
EmacsLisp
97 lines
4.3 KiB
EmacsLisp
;;; unit tests for src/fileio.c -*- lexical-binding: t; -*-
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;; Copyright 2017-2018 Free Software Foundation, Inc.
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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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(require 'ert)
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(defun try-link (target link)
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(make-symbolic-link target link)
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(let* ((read-link (file-symlink-p link))
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(failure (unless (string-equal target read-link)
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(list 'string-equal target read-link))))
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(delete-file link)
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failure))
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(defun fileio-tests--symlink-failure ()
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(let* ((dir (make-temp-file "fileio" t))
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(link (expand-file-name "link" dir)))
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(unwind-protect
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(let (failure
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(char 0))
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(while (and (not failure) (< char 127))
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(setq char (1+ char))
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(when (and (eq system-type 'cygwin) (eq char 92))
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(setq char (1+ char)))
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(setq failure (try-link (string char) link)))
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(or failure
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(try-link "/:" link)))
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(delete-directory dir t))))
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(ert-deftest fileio-tests--odd-symlink-chars ()
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"Check that any non-NULL ASCII character can appear in a symlink.
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Also check that an encoding error can appear in a symlink."
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;; Some Windows versions don't support symlinks, and those which do
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;; will pop up UAC elevation prompts, so we disable this test on
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;; MS-Windows.
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(skip-unless (not (eq system-type 'windows-nt)))
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(should (equal nil (fileio-tests--symlink-failure))))
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(ert-deftest fileio-tests--directory-file-name ()
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(should (equal (directory-file-name "/") "/"))
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(should (equal (directory-file-name "//") "//"))
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(should (equal (directory-file-name "///") "/"))
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(should (equal (directory-file-name "////") "/"))
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(should (equal (directory-file-name "/abc") "/abc"))
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(should (equal (directory-file-name "/abc/") "/abc"))
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(should (equal (directory-file-name "/abc//") "/abc")))
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(ert-deftest fileio-tests--directory-file-name-dos-nt ()
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"Like fileio-tests--directory-file-name, but for DOS_NT systems."
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(skip-unless (memq system-type '(ms-dos windows-nt)))
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(should (equal (directory-file-name "d:/") "d:/"))
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(should (equal (directory-file-name "d://") "d:/"))
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(should (equal (directory-file-name "d:///") "d:/"))
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(should (equal (directory-file-name "d:////") "d:/"))
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(should (equal (directory-file-name "d:/abc") "d:/abc"))
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(should (equal (directory-file-name "d:/abc/") "d:/abc"))
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(should (equal (directory-file-name "d:/abc//") "d:/abc")))
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(ert-deftest fileio-tests--file-name-as-directory ()
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(should (equal (file-name-as-directory "") "./"))
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(should (equal (file-name-as-directory "/") "/"))
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(should (equal (file-name-as-directory "//") "//"))
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(should (equal (file-name-as-directory "///") "///"))
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(should (equal (file-name-as-directory "////") "////"))
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(should (equal (file-name-as-directory "/abc") "/abc/"))
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(should (equal (file-name-as-directory "/abc/") "/abc/"))
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(should (equal (file-name-as-directory "/abc//") "/abc//")))
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(ert-deftest fileio-tests--file-name-as-directory-dos-nt ()
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"Like fileio-tests--file-name-as-directory, but for DOS_NT systems."
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(skip-unless (memq system-type '(ms-dos windows-nt)))
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(should (equal (file-name-as-directory "d:/") "d:/"))
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(should (equal (file-name-as-directory "d:\\") "d:/"))
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(should (equal (file-name-as-directory "d://") "d://"))
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(should (equal (file-name-as-directory "d:///") "d:///"))
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(should (equal (file-name-as-directory "d:////") "d:////"))
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(should (equal (file-name-as-directory "d:\\\\\\\\") "d:////"))
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(should (equal (file-name-as-directory "d:/abc") "d:/abc/"))
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(should (equal (file-name-as-directory "D:\\abc") "d:/abc/"))
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(should (equal (file-name-as-directory "d:/abc/") "d:/abc/"))
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(should (equal (file-name-as-directory "D:\\abc/") "d:/abc/"))
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(should (equal (file-name-as-directory "D:/abc//") "d:/abc//")))
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