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−;;; os-tests.el --- test support for OS interaction
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−
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−;; Copyright (C) 2004 Free Software Foundation
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−
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−;; Author: Stephen J. Turnbull <stephen@xemacs.org>
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−;; Maintainer: Stephen J. Turnbull <stephen@xemacs.org>
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−;; Created: 2004 October 28
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−;; Keywords: tests, process support
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−
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−;; This file is part of XEmacs.
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−
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−;; XEmacs is free software: you can redistribute it and/or modify it
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−;; under the terms of the GNU General Public License as published by the
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−;; Free Software Foundation, either version 3 of the License, or (at your
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−;; option) any later version.
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−
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−;; XEmacs is distributed in the hope that it will be useful, but WITHOUT
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−;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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−;; FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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−;; for more details.
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−
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−;; You should have received a copy of the GNU General Public License
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−;; along with XEmacs.  If not, see <http://www.gnu.org/licenses/>.
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−
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−;;; Synched up with: Not in FSF.
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−
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−;;; Commentary:
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−
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−;; Test OS support.  Processes, environment variables, etc.
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−;; See test-harness.el for instructions on how to run these tests.
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−
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−;; call-process-region bug reported by Katsumi Yamaoka on 2004-10-26
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−;; in <b9yvfcyuscf.fsf@jpl.org>, who suggested the basic test scheme
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−;; in <b9yoeipvwn0.fsf@jpl.org>.
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−
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−;; tac works by lines, unfortunately
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−;; #### The contortions around `executable-find' gag me, but I don't have time
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−;; to deal today.  If we have `executable-find', we should use its value!
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−(let* ((original-string "a\nb\nc\nd\n")
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−       ;; `executable-find' is in a package and may be unavailable.
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−       (tac-cases (if (and (fboundp 'executable-find) (executable-find "tac"))
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−		      '((1 . "c\nb\na\nd\n")
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−			(3 . "a\nc\nb\nd\n")
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−			(5 . "a\nc\nb\nd\n")
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−			(7 . "a\nc\nb\nd\n")
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−			(9 . "a\nd\nc\nb\n"))
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−		    nil))
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−       (cat-cases (if (and (fboundp 'executable-find) (executable-find "cat"))
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−		      '((1 . "b\nc\na\nd\n")
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−			(3 . "a\nb\nc\nd\n")
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−			(5 . "a\nb\nc\nd\n")
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−			(7 . "a\nb\nc\nd\n")
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−			(9 . "a\nd\nb\nc\n"))
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−		    nil))
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−       cases case)
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−  (with-temp-buffer
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−    (Skip-Test-Unless tac-cases
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−	 "tac executable not found"
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−	 "Tests of call-process-region with region deleted after inserting
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−tac process output."
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−      (setq cases tac-cases)
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−      (while cases
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−        (setq case (car cases)
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−	      cases (cdr cases))
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−	(labels ((do-test (pos result)
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−                   (erase-buffer)
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−                   (insert original-string)
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−                   (goto-char pos)
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−                   (call-process-region 3 7 "tac" t t)
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−                   (goto-char (point-min))
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−                   (Assert (looking-at result))))
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−	  (do-test (car case) (cdr case)))))
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−    ;; if you're in that much of a hurry you can blow cat off
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−    ;; if you've done tac, but I'm not going to bother
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−    (Skip-Test-Unless cat-cases
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−	 "cat executable not found"
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−	 "Tests of call-process-region with region deleted after inserting
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−cat process output."
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−      (setq cases cat-cases)
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−      (while cases
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−        (setq case (car cases)
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−	      cases (cdr cases))
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−	(labels ((do-test (pos result)
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−                   (erase-buffer)
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−                   (insert original-string)
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−                   (goto-char pos)
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−                   (call-process-region 3 7 "cat" t t)
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−                   (goto-char (point-min))
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−                   (Assert (looking-at result))))
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−	  (do-test (car case) (cdr case)))))))
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−
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−(loop
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−  with envvar-not-existing = (symbol-name (gensym "whatever"))
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−  with envvar-existing = (symbol-name (gensym "whatever"))
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−  with envvar-existing-val = (make-string #x10000 ?\xe1)
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−  with examples = 
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−  (list (list (format "%chome%cwhatever%c%chi-there%c$%s"
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−                      directory-sep-char
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−                      directory-sep-char
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−                      directory-sep-char
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−                      directory-sep-char
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−                      directory-sep-char
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−                      envvar-existing)
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−              (format "%chi-there%c%s"
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−                      directory-sep-char
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−                      directory-sep-char
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−                      envvar-existing-val))
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−        (if (memq system-type '(windows-nt cygwin32))
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−            '("//network-path/c$" "//network-path/c$")
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−          '("/network-path/c$" "/network-path/c$"))
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−        (list (format "/home/whoever/$%s" envvar-not-existing)
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−              (format "/home/whoever/$%s" envvar-not-existing))
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−        (list (format "/home/whoever/$%s" envvar-existing)
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−              (format "/home/whoever/%s" envvar-existing-val))
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−        (list (format "/home/whoever/${%s}" envvar-existing)
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−              (format "/home/whoever/%s" envvar-existing-val))
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−        (list (format "/home/whoever/${%s}" envvar-not-existing)
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−              (format "/home/whoever/${%s}" envvar-not-existing)))
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−  initially (progn (setenv envvar-not-existing nil t)
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−                   (setenv envvar-existing envvar-existing-val))
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−  for (pre post)
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−  in examples
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−  do 
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−  (Assert (string= post (substitute-in-file-name pre))))
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−
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−;;; end of os-tests.el