test/src/callproc-tests.el

   1 ;;; callproc-tests.el --- callproc.c tests -*- lexical-binding: t -*-
   2
   3 ;; Copyright (C) 2016-2017 Free Software Foundation, Inc.
   4
   5 ;; This file is part of GNU Emacs.
   6
   7 ;; GNU Emacs is free software: you can redistribute it and/or modify
   8 ;; it under the terms of the GNU General Public License as published by
   9 ;; the Free Software Foundation, either version 3 of the License, or
  10 ;; (at your option) any later version.
  11
  12 ;; GNU Emacs is distributed in the hope that it will be useful,
  13 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 ;; GNU General Public License for more details.
  16
  17 ;; You should have received a copy of the GNU General Public License
  18 ;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
  19
  20 ;;; Code:
  21
  22 (require 'ert)
  23 (eval-when-compile (require 'cl-lib))
  24
  25 (ert-deftest initial-environment-preserved ()
  26   "Check that `initial-environment' is not modified by Emacs (Bug #10980)."
  27   (skip-unless (eq system-type 'windows-nt))
  28   (cl-destructuring-bind (initial-shell shell)
  29       (with-temp-buffer
  30         (let ((process-environment (cons "SHELL" process-environment)))
  31           (call-process (expand-file-name invocation-name invocation-directory)
  32                         nil t nil
  33                         "--batch" "-Q" "--eval"
  34                         (prin1-to-string
  35                          '(progn (prin1 (getenv-internal "SHELL" initial-environment))
  36                                  (prin1 (getenv-internal "SHELL"))))))
  37         (split-string-and-unquote (buffer-string)))
  38     (should (equal initial-shell "nil"))
  39     (should-not (equal initial-shell shell))))