dired-align-file: Inherit text properties in inserted spaces

* lisp/dired.el (dired-align-file): Inherit text
properties in inserted spaces (Bug#27899).
* test/lisp/dired-tests.el (dired-test-bug27899): Add test.

1 files changed, 15 insertions, 0 deletions

diff --git a/test/lisp/dired-tests.el b/test/lisp/dired-tests.el
index 4ab6b37664b..c67f37953ca 100644
--- a/test/lisp/dired-tests.el
+++ b/test/lisp/dired-tests.el
@@ -260,6 +260,21 @@
       (delete-directory dir 'recursive)
       (when (buffer-live-p buf) (kill-buffer buf)))))
 
+(ert-deftest dired-test-bug27899 ()
+  "Test for http://debbugs.gnu.org/27899 ."
+  (let* ((dir (expand-file-name "src" source-directory))
+         (buf (dired (list dir "cygw32.c" "alloc.c" "w32xfns.c" "xdisp.c")))
+         (orig dired-hide-details-mode))
+    (dired-goto-file (expand-file-name "cygw32.c"))
+    (forward-line 0)
+    (unwind-protect
+        (progn
+          (let ((inhibit-read-only t))
+            (dired-align-file (point) (point-max)))
+          (dired-hide-details-mode t)
+          (dired-move-to-filename)
+          (should (eq 2 (current-column))))
+      (dired-hide-details-mode orig))))
 
 (provide 'dired-tests)
 ;; dired-tests.el ends here