Merge from origin/emacs-26

34e75c1 Add comment about floating point test
e73e683 Ibuffer: Add toggle ibuffer-do-toggle-lock
12f7116 Ibuffer: Detect correctly the buffers running a process

etc/NEWS

@@ -59,6 +59,11 @@ option --enable-check-lisp-object-type is therefore no longer as
 useful and so is no longer enabled by default in developer builds,
 to reduce differences between developer and production builds.
 
+** Ibuffer
+
+---
+*** New toggle 'ibuffer-do-toggle-lock', bound to 'L'.
+
 ** Gnus
 
 +++

lisp/ibuffer.el

@@ -579,6 +579,7 @@ directory, like `default-directory'."
     (define-key map (kbd "R") 'ibuffer-do-rename-uniquely)
     (define-key map (kbd "S") 'ibuffer-do-save)
     (define-key map (kbd "T") 'ibuffer-do-toggle-read-only)
+    (define-key map (kbd "L") 'ibuffer-do-toggle-lock)
     (define-key map (kbd "r") 'ibuffer-do-replace-regexp)
     (define-key map (kbd "V") 'ibuffer-do-revert)
     (define-key map (kbd "W") 'ibuffer-do-view-and-eval)
@@ -851,6 +852,10 @@ directory, like `default-directory'."
       '(menu-item "Print" ibuffer-do-print))
     (define-key-after operate-map [do-toggle-modified]
       '(menu-item "Toggle modification flag" ibuffer-do-toggle-modified))
+    (define-key-after operate-map [do-toggle-read-only]
+      '(menu-item "Toggle read-only flag" ibuffer-do-toggle-read-only))
+    (define-key-after operate-map [do-toggle-lock]
+      '(menu-item "Toggle lock flag" ibuffer-do-toggle-lock))
     (define-key-after operate-map [do-revert]
       '(menu-item "Revert" ibuffer-do-revert
         :help "Revert marked buffers to their associated file"))
@@ -1349,6 +1354,16 @@ Otherwise, toggle read only status."
    :modifier-p t)
   (read-only-mode (if (integerp arg) arg 'toggle)))
 
+(define-ibuffer-op ibuffer-do-toggle-lock (&optional arg)
+  "Toggle locked status in marked buffers.
+If optional ARG is a non-negative integer, lock buffers.
+If ARG is a negative integer or 0, unlock buffers.
+Otherwise, toggle lock status."
+  (:opstring "toggled lock status in"
+   :interactive "P"
+   :modifier-p t)
+  (emacs-lock-mode (if (integerp arg) arg 'toggle)))
+
 (define-ibuffer-op ibuffer-do-delete ()
   "Kill marked buffers as with `kill-this-buffer'."
   (:opstring "killed"
@@ -1896,11 +1911,9 @@ If point is on a group name, this function operates on that group."
      (let ((procs 0)
 	   (files 0))
        (dolist (string strings)
-	 (if (string-match "\\(?:\\`([[:ascii:]]+)\\)" string)
-	     (progn (setq procs (1+ procs))
-		    (if (< (match-end 0) (length string))
-			(setq files (1+ files))))
-	   (setq files (1+ files))))
+         (when (get-text-property 1 'ibuffer-process string)
+           (setq procs (1+ procs)))
+	 (setq files (1+ files)))
        (concat (cond ((zerop files) "No files")
 		     ((= 1 files) "1 file")
 		     (t (format "%d files" files)))
@@ -1912,7 +1925,8 @@ If point is on a group name, this function operates on that group."
 	(filename (ibuffer-make-column-filename buffer mark)))
     (if proc
 	(concat (propertize (format "(%s %s)" proc (process-status proc))
-			    'font-lock-face 'italic)
+			    'font-lock-face 'italic
+                            'ibuffer-process proc)
 		(if (> (length filename) 0)
 		    (format " %s" filename)
 		  ""))
@@ -2498,6 +2512,7 @@ Operations on marked buffers:
   `\\[ibuffer-do-view-other-frame]' - View the marked buffers in another frame.
   `\\[ibuffer-do-revert]' - Revert the marked buffers.
   `\\[ibuffer-do-toggle-read-only]' - Toggle read-only state of marked buffers.
+  `\\[ibuffer-do-toggle-lock]' - Toggle lock state of marked buffers.
   `\\[ibuffer-do-delete]' - Kill the marked buffers.
   `\\[ibuffer-do-isearch]' - Do incremental search in the marked buffers.
   `\\[ibuffer-do-isearch-regexp]' - Isearch for regexp in the marked buffers.

test/src/data-tests.el

@@ -23,13 +23,21 @@
 
 (require 'cl-lib)
 
+(defconst data-tests--float-greater-than-fixnums (+ 1.0 most-positive-fixnum)
+  "A floating-point value that is greater than all fixnums.
+It is also as small as conveniently possible, to make the tests sharper.
+Adding 1.0 to most-positive-fixnum should suffice on all
+practical Emacs platforms, since the result is a power of 2 and
+this is exactly representable and is greater than
+most-positive-fixnum, which is just less than a power of 2.")
+
 (ert-deftest data-tests-= ()
   (should-error (=))
   (should (= 1))
   (should (= 2 2))
   (should (= 9 9 9 9 9 9 9 9 9))
   (should (= most-negative-fixnum (float most-negative-fixnum)))
-  (should-not (= most-positive-fixnum (+ 1.0 most-positive-fixnum)))
+  (should-not (= most-positive-fixnum data-tests--float-greater-than-fixnums))
   (should-not (apply #'= '(3 8 3)))
   (should-error (= 9 9 'foo))
   ;; Short circuits before getting to bad arg
@@ -40,7 +48,7 @@
   (should (< 1))
   (should (< 2 3))
   (should (< -6 -1 0 2 3 4 8 9 999))
-  (should (< 0.5 most-positive-fixnum (+ 1.0 most-positive-fixnum)))
+  (should (< 0.5 most-positive-fixnum data-tests--float-greater-than-fixnums))
   (should-not (apply #'< '(3 8 3)))
   (should-error (< 9 10 'foo))
   ;; Short circuits before getting to bad arg
@@ -51,7 +59,7 @@
   (should (> 1))
   (should (> 3 2))
   (should (> 6 1 0 -2 -3 -4 -8 -9 -999))
-  (should (> (+ 1.0 most-positive-fixnum) most-positive-fixnum 0.5))
+  (should (> data-tests--float-greater-than-fixnums most-positive-fixnum 0.5))
   (should-not (apply #'> '(3 8 3)))
   (should-error (> 9 8 'foo))
   ;; Short circuits before getting to bad arg
@@ -62,7 +70,7 @@
   (should (<= 1))
   (should (<= 2 3))
   (should (<= -6 -1 -1 0 0 0 2 3 4 8 999))
-  (should (<= 0.5 most-positive-fixnum (+ 1.0 most-positive-fixnum)))
+  (should (<= 0.5 most-positive-fixnum data-tests--float-greater-than-fixnums))
   (should-not (apply #'<= '(3 8 3 3)))
   (should-error (<= 9 10 'foo))
   ;; Short circuits before getting to bad arg
@@ -73,7 +81,7 @@
   (should (>= 1))
   (should (>= 3 2))
   (should (>= 666 1 0 0 -2 -3 -3 -3 -4 -8 -8 -9 -999))
-  (should (>= (+ 1.0 most-positive-fixnum) most-positive-fixnum))
+  (should (>= data-tests--float-greater-than-fixnums most-positive-fixnum))
   (should-not (apply #'>= '(3 8 3)))
   (should-error (>= 9 8 'foo))
   ;; Short circuits before getting to bad arg
@@ -97,7 +105,7 @@
   (should (= 2 (min 3 2)))
   (should (= -999 (min 666 1 0 0 -2 -3 -3 -3 -4 -8 -8 -9 -999)))
   (should (= most-positive-fixnum
-             (min (+ 1.0 most-positive-fixnum) most-positive-fixnum)))
+             (min data-tests--float-greater-than-fixnums most-positive-fixnum)))
   (should (= 3 (apply #'min '(3 8 3))))
   (should-error (min 9 8 'foo))
   (should-error (min (make-marker)))