Re: Wrong indentation of defun with indent-region

[Peter Vasil <mailing_lists@petervasil.net>]

On 04/30/2017 06:31 PM, Peter Vasil wrote:
> Hello,
> 
> Since commit 6fa9cc0593150a318f0e08e69ec10672d548a7c1 indent-region
> doesn't indent correctly a defun when docstring is more than one line.
> 
> Reproduction:
> 
> (defun test ()
>   "Test.
> Two lines docstring."
>   (message "Test"))
> 
> With cursor somewhere in the function and after M-x mark-defun RET and
> M-x indent-region RET is this the result:
> 
> 
> (defun test-func ()
>   "Test func.
> Two lines docstring."
>        (message "Test"))
> 
> However if the docstring is only one line the indentation stays correct.
> 
> Regards,
> Peter Vasil
> 
> 
> 

I wrote this small ert test which fails:

diff --git a/test/lisp/emacs-lisp/lisp-mode-tests.el
b/test/lisp/emacs-lisp/lisp-mode-tests.el
index 27f0bb5..4856318 100644
--- a/test/lisp/emacs-lisp/lisp-mode-tests.el
+++ b/test/lisp/emacs-lisp/lisp-mode-tests.el
@@ -97,5 +97,19 @@
       (indent-sexp)
       (should (equal (buffer-string) correct)))))

+(ert-deftest indent-region ()
+  (with-temp-buffer
+    (emacs-lisp-mode)
+    (insert "
+(defun test ()
+  \"Test func.
+Two lines docstring.\"
+  (message \"Test\"))")
+    (let ((correct (buffer-string)))
+      (search-backward "message")
+      (mark-defun)
+      (indent-region (region-beginning) (region-end))
+      (should (equal (buffer-string) correct)))))
+
 (provide 'lisp-mode-tests)


Result:

Selector: t
Passed:  0
Failed:  1 (1 unexpected)
Skipped: 0
Total:   1/1

Started at:   2017-04-30 18:49:36+0200
Finished.
Finished at:  2017-04-30 18:49:36+0200

F

F indent-region
    (ert-test-failed
     ((should
       (equal
	(buffer-string)
	correct))
      :form
      (equal "
(defun test ()
  \"Test func.
Two lines docstring.\"
       (message \"Test\"))" "
(defun test ()
  \"Test func.
Two lines docstring.\"
  (message \"Test\"))")
      :value nil :explanation
      (arrays-of-different-length 76 71 "
(defun test ()
  \"Test func.
Two lines docstring.\"
       (message \"Test\"))" "
(defun test ()
  \"Test func.
Two lines docstring.\"
  (message \"Test\"))" first-mismatch-at 54)))