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   1 ;;; os-tests.el --- test support for OS interaction
   2
   3 ;; Copyright (C) 2004 Free Software Foundation
   4
   5 ;; Author: Stephen J. Turnbull <stephen@xemacs.org>
   6 ;; Maintainer: Stephen J. Turnbull <stephen@xemacs.org>
   7 ;; Created: 2004 October 28
   8 ;; Keywords: tests, process support
   9
  10 ;; This file is part of SXEmacs.
  11
  12 ;; SXEmacs is free software: you can redistribute it and/or modify it
  13 ;; under the terms of the GNU General Public License as published by the
  14 ;; Free Software Foundation, either version 3 of the License, or (at your
  15 ;; option) any later version.
  16
  17 ;; SXEmacs is distributed in the hope that it will be
  18 ;; useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20 ;; General Public License for more details.
  21
  22 ;; You should have received a copy of the GNU General Public License
  23 ;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
  24
  25 ;;; Synched up with: Not in FSF.
  26
  27 ;;; Commentary:
  28
  29 ;; Test OS support.  Processes, environment variables, etc.
  30 ;; See test-harness.el for instructions on how to run these tests.
  31
  32 ;; call-process-region bug reported by Katsumi Yamaoka on 2004-10-26
  33 ;; in <b9yvfcyuscf.fsf@jpl.org>, who suggested the basic test scheme
  34 ;; in <b9yoeipvwn0.fsf@jpl.org>.
  35
  36 (and-fboundp 'executable-find
  37   ;; tac works by lines, unfortunately
  38   (let* ((original-string "a\nb\nc\nd\n")
  39          (tac-cases (if (executable-find "tac")
  40                         '((1 . "c\nb\na\nd\n")
  41                           (3 . "a\nc\nb\nd\n")
  42                           (5 . "a\nc\nb\nd\n")
  43                           (7 . "a\nc\nb\nd\n")
  44                           (9 . "a\nd\nc\nb\n"))
  45                       nil))
  46          (cat-cases (if (executable-find "cat")
  47                         '((1 . "b\nc\na\nd\n")
  48                           (3 . "a\nb\nc\nd\n")
  49                           (5 . "a\nb\nc\nd\n")
  50                           (7 . "a\nb\nc\nd\n")
  51                           (9 . "a\nd\nb\nc\n"))
  52                       nil))
  53          cases case)
  54     (with-temp-buffer
  55       (Skip-Test-Unless tac-cases
  56                         "tac executable not found"
  57                         "Tests of call-process-region with region deleted after inserting
  58 tac process output."
  59                         (setq cases tac-cases)
  60                         (while cases
  61                           (setq case (car cases)
  62                                 cases (cdr cases))
  63                           (flet ((do-test (pos result)
  64                                    (erase-buffer)
  65                                    (insert original-string)
  66                                    (goto-char pos)
  67                                    (call-process-region 3 7 "tac" t t)
  68                                    (goto-char (point-min))
  69                                    (Assert (looking-at result))))
  70                             (do-test (car case) (cdr case)))))
  71       ;; if you're in that much of a hurry you can blow cat off
  72       ;; if you've done tac, but I'm not going to bother
  73       (Skip-Test-Unless cat-cases
  74                         "cat executable not found"
  75                         "Tests of call-process-region with region deleted after inserting
  76 cat process output."
  77                         (setq cases cat-cases)
  78                         (while cases
  79                           (setq case (car cases)
  80                                 cases (cdr cases))
  81                           (flet ((do-test (pos result)
  82                                    (erase-buffer)
  83                                    (insert original-string)
  84                                    (goto-char pos)
  85                                    (call-process-region 3 7 "cat" t t)
  86                                    (goto-char (point-min))
  87                                    (Assert (looking-at result))))
  88                             (do-test (car case) (cdr case))))))))
  89
  90 ;;; end of os-tests.el