(kill-buffer buf))
(ignore-errors (delete-file tmpfile)))))
-(ert-deftest auto-revert-test01-auto-revert-tail-mode ()
+;; This is inspired by Bug#21841.
+(ert-deftest auto-revert-test01-auto-revert-several-files ()
+ "Check autorevert for several files at once."
+ (skip-unless (executable-find "cp"))
+
+ (let* ((cp (executable-find "cp"))
+ (tmpdir1 (make-temp-file "auto-revert-test" 'dir))
+ (tmpdir2 (make-temp-file "auto-revert-test" 'dir))
+ (tmpfile1
+ (make-temp-file (expand-file-name "auto-revert-test" tmpdir1)))
+ (tmpfile2
+ (make-temp-file (expand-file-name "auto-revert-test" tmpdir1)))
+ buf1 buf2)
+ (unwind-protect
+ (progn
+ (with-current-buffer (get-buffer-create "*Messages*")
+ (narrow-to-region (point-max) (point-max)))
+ (write-region "any text" nil tmpfile1 nil 'no-message)
+ (setq buf1 (find-file-noselect tmpfile1))
+ (write-region "any text" nil tmpfile2 nil 'no-message)
+ (setq buf2 (find-file-noselect tmpfile2))
+
+ (dolist (buf (list buf1 buf2))
+ (with-current-buffer buf
+ (should (string-equal (buffer-string) "any text"))
+ ;; `buffer-stale--default-function' checks for
+ ;; `verify-visited-file-modtime'. We must ensure that
+ ;; it returns nil.
+ (sleep-for 1)
+ (auto-revert-mode 1)
+ (should auto-revert-mode)))
+
+ ;; Modify files. We wait for a second, in order to have
+ ;; another timestamp.
+ (sleep-for 1)
+ (write-region
+ "another text" nil
+ (expand-file-name (file-name-nondirectory tmpfile1) tmpdir2)
+ nil 'no-message)
+ (write-region
+ "another text" nil
+ (expand-file-name (file-name-nondirectory tmpfile2) tmpdir2)
+ nil 'no-message)
+ ;;(copy-directory tmpdir2 tmpdir1 nil 'copy-contents)
+ ;; Strange, that `copy-directory' does not work as expected.
+ ;; The following shell command is not portable on all
+ ;; platforms, unfortunately.
+ (shell-command (format "%s -f %s/* %s" cp tmpdir2 tmpdir1))
+
+ ;; Check, that the buffers have been reverted.
+ (dolist (buf (list buf1 buf2))
+ (with-current-buffer buf
+ (auto-revert--wait-for-revert buf)
+ (should (string-match "another text" (buffer-string))))))
+
+ ;; Exit.
+ (with-current-buffer "*Messages*" (widen))
+ (ignore-errors
+ (dolist (buf (list buf1 buf2))
+ (with-current-buffer buf (set-buffer-modified-p nil))
+ (kill-buffer buf)))
+ (ignore-errors (delete-directory tmpdir1 'recursive))
+ (ignore-errors (delete-directory tmpdir2 'recursive)))))
+
+(ert-deftest auto-revert-test02-auto-revert-tail-mode ()
"Check autorevert tail mode."
;; `auto-revert-buffers' runs every 5". And we must wait, until the
;; file has been reverted.
(ignore-errors (kill-buffer buf))
(ignore-errors (delete-file tmpfile)))))
-(ert-deftest auto-revert-test02-auto-revert-mode-dired ()
+(ert-deftest auto-revert-test03-auto-revert-mode-dired ()
"Check autorevert for dired."
;; `auto-revert-buffers' runs every 5". And we must wait, until the
;; file has been reverted.