*** /tmp/ediffmmNEZ6	2021-03-22 15:43:13.464939528 +0100
--- /home/albinus/src/emacs-27/test/lisp/filenotify-tests.el	2021-03-22 15:41:35.740131740 +0100
***************
*** 105,115 ****
     (cond
      ;; gio/gpollfilemonitor.c declares POLL_TIME_SECS 5.  So we must
      ;; wait at least this time in the GPollFileMonitor case.  A
!     ;; similar timeout seems to be needed in the GFamFileMonitor case,
!     ;; at least on Cygwin.
!     ((and (string-equal (file-notify--test-library) "gfilenotify")
!           (memq (file-notify--test-monitor)
!                 '(GFamFileMonitor GPollFileMonitor)))
       7)
      ((string-equal (file-notify--test-library) "gvfs-monitor-dir.exe") 1)
      ((file-remote-p temporary-file-directory) 0.1)
--- 105,114 ----
     (cond
      ;; gio/gpollfilemonitor.c declares POLL_TIME_SECS 5.  So we must
      ;; wait at least this time in the GPollFileMonitor case.  A
!     ;; similar timeout seems to be needed in the
!     ;; GFam{File,Directory}Monitor case.
!     ((memq (file-notify--test-monitor)
!            '(GFamFileMonitor GFamDirectoryMonitor GPollFileMonitor))
       7)
      ((string-equal (file-notify--test-library) "gvfs-monitor-dir.exe") 1)
      ((file-remote-p temporary-file-directory) 0.1)
***************
*** 263,274 ****
    ;; `gfile-monitor-name' does not return a proper result anymore.
    ;; But we still need this information.
    (unless (file-remote-p temporary-file-directory)
!     (or (cdr (assq file-notify--test-desc file-notify--test-monitors))
          (when (functionp 'gfile-monitor-name)
            (add-to-list 'file-notify--test-monitors
                         (cons file-notify--test-desc
                               (gfile-monitor-name file-notify--test-desc)))
!           (cdr (assq file-notify--test-desc file-notify--test-monitors))))))

  (defmacro file-notify--deftest-remote (test docstring &optional unstable)
    "Define ert `TEST-remote' for remote files.
--- 262,273 ----
    ;; `gfile-monitor-name' does not return a proper result anymore.
    ;; But we still need this information.
    (unless (file-remote-p temporary-file-directory)
!     (or (alist-get file-notify--test-desc file-notify--test-monitors)
          (when (functionp 'gfile-monitor-name)
            (add-to-list 'file-notify--test-monitors
                         (cons file-notify--test-desc
                               (gfile-monitor-name file-notify--test-desc)))
!           (alist-get file-notify--test-desc file-notify--test-monitors)))))

  (defmacro file-notify--deftest-remote (test docstring &optional unstable)
    "Define ert `TEST-remote' for remote files.
***************
*** 455,461 ****

    (unwind-protect
        ;; Check, that removing watch descriptors out of order do not
!       ;; harm.  This fails on Cygwin because of timing issues unless a
        ;; long `sit-for' is added before the call to
        ;; `file-notify--test-read-event'.
        (unless (eq system-type 'cygwin)
--- 454,460 ----

    (unwind-protect
        ;; Check, that removing watch descriptors out of order do not
!       ;; harm.  This fails on cygwin because of timing issues unless a
        ;; long `sit-for' is added before the call to
        ;; `file-notify--test-read-event'.
        (unless (eq system-type 'cygwin)
***************
*** 542,547 ****
--- 541,550 ----
  	    file-notify--test-results
  	    (append file-notify--test-results `(,result))))))

+ (defun file-notify--test-event-actions ()
+   "Helper function to return retrieved actions, as list."
+   (mapcar #'file-notify--test-event-action file-notify--test-events))
+
  (defun file-notify--test-with-actions-check (actions)
    "Check whether received actions match one of the ACTIONS alternatives."
    (let (result)
***************
*** 550,571 ****
              (or result
                  (if (eq (car elt) :random)
                      (equal (sort (cdr elt) 'string-lessp)
!                            (sort (mapcar #'file-notify--test-event-action
!                                          file-notify--test-events)
                                   'string-lessp))
!                   (equal elt (mapcar #'file-notify--test-event-action
!                                      file-notify--test-events))))))))

  (defun file-notify--test-with-actions-explainer (actions)
    "Explain why `file-notify--test-with-actions-check' fails."
    (if (null (cdr actions))
        (format "Received actions do not match expected actions\n%s\n%s"
!               (mapcar #'file-notify--test-event-action file-notify--test-events)
!               (car actions))
      (format
       "Received actions do not match any sequence of expected actions\n%s\n%s"
!      (mapcar #'file-notify--test-event-action file-notify--test-events)
!      actions)))

  (put 'file-notify--test-with-actions-check 'ert-explainer
       'file-notify--test-with-actions-explainer)
--- 553,577 ----
              (or result
                  (if (eq (car elt) :random)
                      (equal (sort (cdr elt) 'string-lessp)
!                            (sort (file-notify--test-event-actions)
                                   'string-lessp))
!                   (equal elt (file-notify--test-event-actions))))))
!     ;; Do not report result in case we debug.  Write messages instead.
!     (if file-notify-debug
!         (prog1 t
!           (if result
!               (message "Success\n%s" (file-notify--test-event-actions))
!             (message (file-notify--test-with-actions-explainer actions))))
!       result)))

  (defun file-notify--test-with-actions-explainer (actions)
    "Explain why `file-notify--test-with-actions-check' fails."
    (if (null (cdr actions))
        (format "Received actions do not match expected actions\n%s\n%s"
!               (file-notify--test-event-actions) (car actions))
      (format
       "Received actions do not match any sequence of expected actions\n%s\n%s"
!      (file-notify--test-event-actions) actions)))

  (put 'file-notify--test-with-actions-check 'ert-explainer
       'file-notify--test-with-actions-explainer)
***************
*** 632,640 ****
  	       (file-notify--test-library) "gvfs-monitor-dir.exe")
  	      '((deleted stopped)
  	        (created deleted stopped)))
!              ;; cygwin does not raise a `changed' event.
!              ((eq system-type 'cygwin)
!               '(created deleted stopped))
               (t '(created changed deleted stopped)))
            (write-region
             "another text" nil file-notify--test-tmpfile nil 'no-message)
--- 638,647 ----
  	       (file-notify--test-library) "gvfs-monitor-dir.exe")
  	      '((deleted stopped)
  	        (created deleted stopped)))
! 	     ;; GFam{File,Directory}Monitor do not report the `changed' event.
! 	     ((memq (file-notify--test-monitor)
!                     '(GFamFileMonitor GFamDirectoryMonitor))
! 	      '(created deleted stopped))
               (t '(created changed deleted stopped)))
            (write-region
             "another text" nil file-notify--test-tmpfile nil 'no-message)
***************
*** 665,670 ****
--- 672,683 ----
  	     ((string-equal (file-notify--test-library) "gvfs-monitor-dir.exe")
  	      '((deleted stopped)
  		(changed deleted stopped)))
+ 	     ;; GFam{File,Directory}Monitor do not detect the
+              ;; `changed' event reliably.
+ 	     ((memq (file-notify--test-monitor)
+                     '(GFamFileMonitor GFamDirectoryMonitor))
+ 	      '((deleted stopped)
+ 		(changed deleted stopped)))
  	     ;; There could be one or two `changed' events.
  	     (t '((changed deleted stopped)
  		  (changed changed deleted stopped))))
***************
*** 709,717 ****
               ((getenv "EMACS_EMBA_CI")
                '(created changed deleted))
  	     ;; There are two `deleted' events, for the file and for
! 	     ;; the directory.  Except for cygwin and kqueue.  And
! 	     ;; cygwin does not raise a `changed' event.
! 	     ((eq system-type 'cygwin)
  	      '(created deleted stopped))
  	     ((string-equal (file-notify--test-library) "kqueue")
  	      '(created changed deleted stopped))
--- 722,732 ----
               ((getenv "EMACS_EMBA_CI")
                '(created changed deleted))
  	     ;; There are two `deleted' events, for the file and for
! 	     ;; the directory.  Except for GFam{File,Directory}Monitor
! 	     ;; and kqueue.  And GFam{File,Directory}Monitor do not
! 	     ;; raise a `changed' event.
! 	     ((memq (file-notify--test-monitor)
!                     '(GFamFileMonitor GFamDirectoryMonitor))
  	      '(created deleted stopped))
  	     ((string-equal (file-notify--test-library) "kqueue")
  	      '(created changed deleted stopped))
***************
*** 755,762 ****
  	      '((deleted stopped)
  		(created created deleted stopped)))
  	     ;; There are three `deleted' events, for two files and
! 	     ;; for the directory.  Except for cygwin and kqueue.
! 	     ((eq system-type 'cygwin)
  	      '(created created changed changed deleted stopped))
  	     ((string-equal (file-notify--test-library) "kqueue")
  	      '(created changed created changed deleted stopped))
--- 770,779 ----
  	      '((deleted stopped)
  		(created created deleted stopped)))
  	     ;; There are three `deleted' events, for two files and
! 	     ;; for the directory.  Except for
! 	     ;; GFam{File,Directory}Monitor and kqueue.
! 	     ((memq (file-notify--test-monitor)
!                     '(GFamFileMonitor GFamDirectoryMonitor))
  	      '(created created changed changed deleted stopped))
  	     ((string-equal (file-notify--test-library) "kqueue")
  	      '(created changed created changed deleted stopped))
***************
*** 813,822 ****
               ((getenv "EMACS_EMBA_CI")
                '(created changed renamed deleted))
  	     ;; There are two `deleted' events, for the file and for
! 	     ;; the directory.  Except for cygwin and kqueue.  And
! 	     ;; cygwin raises `created' and `deleted' events instead
! 	     ;; of a `renamed' event.
! 	     ((eq system-type 'cygwin)
  	      '(created created deleted deleted stopped))
  	     ((string-equal (file-notify--test-library) "kqueue")
  	      '(created changed renamed deleted stopped))
--- 830,841 ----
               ((getenv "EMACS_EMBA_CI")
                '(created changed renamed deleted))
  	     ;; There are two `deleted' events, for the file and for
! 	     ;; the directory.  Except for GFam{File,Directory}Monitor
! 	     ;; and kqueue.  And GFam{File,Directory}Monitor raise
! 	     ;; `created' and `deleted' events instead of a `renamed'
! 	     ;; event.
! 	     ((memq (file-notify--test-monitor)
!                     '(GFamFileMonitor GFamDirectoryMonitor))
  	      '(created created deleted deleted stopped))
  	     ((string-equal (file-notify--test-library) "kqueue")
  	      '(created changed renamed deleted stopped))
***************
*** 837,844 ****
      (file-notify--test-cleanup))

    (unwind-protect
!       ;; Check attribute change.  Does not work for cygwin.
!       (unless (eq system-type 'cygwin)
  	(setq file-notify--test-tmpfile (file-notify--test-make-temp-name))
  	(write-region
  	 "any text" nil file-notify--test-tmpfile nil 'no-message)
--- 856,863 ----
      (file-notify--test-cleanup))

    (unwind-protect
!       ;; Check attribute change.  Does not work for GFam{File,Directory}Monitor.
!       (progn
  	(setq file-notify--test-tmpfile (file-notify--test-make-temp-name))
  	(write-region
  	 "any text" nil file-notify--test-tmpfile nil 'no-message)
***************
*** 847,875 ****
  	       (file-notify--test-add-watch
  		file-notify--test-tmpfile
  		'(attribute-change) #'file-notify--test-event-handler)))
! 	(file-notify--test-with-actions
! 	    (cond
! 	     ;; w32notify does not distinguish between `changed' and
! 	     ;; `attribute-changed'.  Under MS Windows 7, we get four
! 	     ;; `changed' events, and under MS Windows 10 just two.
! 	     ;; Strange.
! 	     ((string-equal (file-notify--test-library) "w32notify")
! 	      '((changed changed)
! 		(changed changed changed changed)))
! 	     ;; For kqueue and in the remote case, `write-region'
! 	     ;; raises also an `attribute-changed' event.
! 	     ((or (string-equal (file-notify--test-library) "kqueue")
! 		  (file-remote-p temporary-file-directory))
! 	      '(attribute-changed attribute-changed attribute-changed))
! 	     (t '(attribute-changed attribute-changed)))
! 	  (write-region
! 	   "any text" nil file-notify--test-tmpfile nil 'no-message)
! 	  (file-notify--test-read-event)
! 	  (set-file-modes file-notify--test-tmpfile 000)
! 	  (file-notify--test-read-event)
! 	  (set-file-times file-notify--test-tmpfile '(0 0))
! 	  (file-notify--test-read-event)
! 	  (delete-file file-notify--test-tmpfile))
          (file-notify-rm-watch file-notify--test-desc)

          ;; The environment shall be cleaned up.
--- 866,896 ----
  	       (file-notify--test-add-watch
  		file-notify--test-tmpfile
  		'(attribute-change) #'file-notify--test-event-handler)))
! 	(unless (memq (file-notify--test-monitor)
!                       '(GFamFileMonitor GFamDirectoryMonitor))
! 	  (file-notify--test-with-actions
! 	      (cond
! 	       ;; w32notify does not distinguish between `changed' and
! 	       ;; `attribute-changed'.  Under MS Windows 7, we get
! 	       ;; four `changed' events, and under MS Windows 10 just
! 	       ;; two.  Strange.
! 	       ((string-equal (file-notify--test-library) "w32notify")
! 		'((changed changed)
! 		  (changed changed changed changed)))
! 	       ;; For kqueue and in the remote case, `write-region'
! 	       ;; raises also an `attribute-changed' event.
! 	       ((or (string-equal (file-notify--test-library) "kqueue")
! 		    (file-remote-p temporary-file-directory))
! 		'(attribute-changed attribute-changed attribute-changed))
! 	       (t '(attribute-changed attribute-changed)))
! 	    (write-region
! 	     "any text" nil file-notify--test-tmpfile nil 'no-message)
! 	    (file-notify--test-read-event)
! 	    (set-file-modes file-notify--test-tmpfile 000)
! 	    (file-notify--test-read-event)
! 	    (set-file-times file-notify--test-tmpfile '(0 0))
! 	    (file-notify--test-read-event)
! 	    (delete-file file-notify--test-tmpfile)))
          (file-notify-rm-watch file-notify--test-desc)

          ;; The environment shall be cleaned up.
***************
*** 951,957 ****

  	    ;; Modify file.  We wait for two seconds, in order to
  	    ;; have another timestamp.  One second seems to be too
!             ;; short.  And Cygwin sporadically requires more than two.
              (ert-with-message-capture captured-messages
                (sleep-for (if (eq system-type 'cygwin) 3 2))
                (write-region
--- 972,978 ----

  	    ;; Modify file.  We wait for two seconds, in order to
  	    ;; have another timestamp.  One second seems to be too
!             ;; short.  And cygwin sporadically requires more than two.
              (ert-with-message-capture captured-messages
                (sleep-for (if (eq system-type 'cygwin) 3 2))
                (write-region
***************
*** 1021,1026 ****
--- 1042,1053 ----
  	     ((string-equal (file-notify--test-library) "gvfs-monitor-dir.exe")
  	      '((deleted stopped)
  		(changed deleted stopped)))
+ 	     ;; GFam{File,Directory}Monitor do not detect the
+              ;; `changed' event reliably.
+ 	     ((memq (file-notify--test-monitor)
+                     '(GFamFileMonitor GFamDirectoryMonitor))
+ 	      '((deleted stopped)
+ 	        (changed deleted stopped)))
  	     ;; There could be one or two `changed' events.
  	     (t '((changed deleted stopped)
  		  (changed changed deleted stopped))))
***************
*** 1064,1072 ****
  	        '((deleted stopped)
  	          (created deleted stopped)))
  	       ;; There are two `deleted' events, for the file and for
! 	       ;; the directory.  Except for cygwin and kqueue.  And
! 	       ;; cygwin does not raise a `changed' event.
! 	       ((eq system-type 'cygwin)
  	        '(created deleted stopped))
  	       ((string-equal (file-notify--test-library) "kqueue")
  	        '(created changed deleted stopped))
--- 1091,1102 ----
  	        '((deleted stopped)
  	          (created deleted stopped)))
  	       ;; There are two `deleted' events, for the file and for
! 	       ;; the directory.  Except for
! 	       ;; GFam{File,Directory}Monitor and kqueue.  And
! 	       ;; GFam{File,Directory}Monitor do not raise a `changed'
! 	       ;; event.
! 	       ((memq (file-notify--test-monitor)
!                       '(GFamFileMonitor GFamDirectoryMonitor))
  	        '(created deleted stopped))
  	       ((string-equal (file-notify--test-library) "kqueue")
  	        '(created changed deleted stopped))
***************
*** 1169,1175 ****
  	  file-notify--test-tmpfile
  	  '(change) #'file-notify--test-event-handler)))
    (unwind-protect
!       (let ((n 1000)
              source-file-list target-file-list
              (default-directory file-notify--test-tmpfile))
          (dotimes (i n)
--- 1199,1205 ----
  	  file-notify--test-tmpfile
  	  '(change) #'file-notify--test-event-handler)))
    (unwind-protect
!       (let ((n 10);00)
              source-file-list target-file-list
              (default-directory file-notify--test-tmpfile))
          (dotimes (i n)
***************
*** 1283,1291 ****
          (should (file-notify-valid-p file-notify--test-desc))
          (file-notify--test-with-actions
              (cond
!              ;; On cygwin we only get the `changed' event.
!              ((eq system-type 'cygwin)
!               '(changed))
               (t '(renamed created changed)))
            ;; The file is renamed when creating a backup.  It shall
            ;; still be watched.
--- 1313,1322 ----
          (should (file-notify-valid-p file-notify--test-desc))
          (file-notify--test-with-actions
              (cond
! 	     ;; GFam{File,Directory}Monitor report only the `changed' event.
! 	     ((memq (file-notify--test-monitor)
!                     '(GFamFileMonitor GFamDirectoryMonitor))
! 	      '(changed))
               (t '(renamed created changed)))
            ;; The file is renamed when creating a backup.  It shall
            ;; still be watched.
***************
*** 1355,1361 ****
          (should (file-notify-valid-p file-notify--test-desc1))
          (should (file-notify-valid-p file-notify--test-desc2))
          (should-not (equal file-notify--test-desc1 file-notify--test-desc2))
!         (let ((n 100))
            ;; Run the test.
            (file-notify--test-with-actions
                ;; There could be one or two `changed' events.
--- 1386,1392 ----
          (should (file-notify-valid-p file-notify--test-desc1))
          (should (file-notify-valid-p file-notify--test-desc2))
          (should-not (equal file-notify--test-desc1 file-notify--test-desc2))
!         (let ((n 10));0))
            ;; Run the test.
            (file-notify--test-with-actions
                ;; There could be one or two `changed' events.