--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/automated/os-tests.el	Thu Oct 28 11:31:23 2004 +0000
@@ -0,0 +1,91 @@
+;;; os-tests.el --- test support for OS interaction
+
+;; Copyright (C) 2004 Free Software Foundation
+
+;; Author: Stephen J. Turnbull <stephen@xemacs.org>
+;; Maintainer: Stephen J. Turnbull <stephen@xemacs.org>
+;; Created: 2004 October 28
+;; Keywords: tests, process support
+
+;; This file is part of XEmacs.
+
+;; XEmacs 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 2, or (at your option)
+;; any later version.
+
+;; XEmacs 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 XEmacs; see the file COPYING.  If not, write to the Free
+;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+;; 02111-1307, USA.
+
+;;; Synched up with: Not in FSF.
+
+;;; Commentary:
+
+;; Test OS support.  Processes, environment variables, etc.
+;; See test-harness.el for instructions on how to run these tests.
+
+;; call-process-region bug reported by Katsumi Yamaoka on 2004-10-26
+;; in <b9yvfcyuscf.fsf@jpl.org>, who suggested the basic test scheme
+;; in <b9yoeipvwn0.fsf@jpl.org>.
+
+;; tac works by lines, unfortunately
+(let* ((original-string "a\nb\nc\nd\n")
+       (tac-cases (if (executable-find "tac")
+		      '((1 . "c\nb\na\nd\n")
+			(3 . "a\nc\nb\nd\n")
+			(5 . "a\nc\nb\nd\n")
+			(7 . "a\nc\nb\nd\n")
+			(9 . "a\nd\nc\nb\n"))
+		    nil))
+       (cat-cases (if (executable-find "cat")
+		      '((1 . "b\nc\na\nd\n")
+			(3 . "a\nb\nc\nd\n")
+			(5 . "a\nb\nc\nd\n")
+			(7 . "a\nb\nc\nd\n")
+			(9 . "a\nd\nb\nc\n"))
+		    nil))
+       cases case)
+  (with-temp-buffer
+    (Skip-Test-Unless tac-cases
+	 "tac executable not found"
+	 "Tests of call-process-region with region deleted after inserting
+tac process output."
+      (setq cases tac-cases)
+      (while cases
+        (setq case (car cases)
+	      cases (cdr cases))
+	(flet ((do-test (pos result)
+		 (erase-buffer)
+		 (insert original-string)
+		 (goto-char pos)
+		 (call-process-region 3 7 "tac" t t)
+		 (goto-char (point-min))
+		 (Assert (looking-at result))))
+	  (do-test (car case) (cdr case)))))
+    ;; if you're in that much of a hurry you can blow cat off
+    ;; if you've done tac, but I'm not going to bother
+    (Skip-Test-Unless cat-cases
+	 "cat executable not found"
+	 "Tests of call-process-region with region deleted after inserting
+cat process output."
+      (setq cases cat-cases)
+      (while cases
+        (setq case (car cases)
+	      cases (cdr cases))
+	(flet ((do-test (pos result)
+		 (erase-buffer)
+		 (insert original-string)
+		 (goto-char pos)
+		 (call-process-region 3 7 "cat" t t)
+		 (goto-char (point-min))
+		 (Assert (looking-at result))))
+	  (do-test (car case) (cdr case)))))))
+
+;;; end of os-tests.el