From f8b832b171d95aa3fb8e97a013d4a5717ff593c1 Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Wed, 20 Apr 2022 08:16:41 +0800
Subject: vim-patch:8.2.4792: indent operator creates an undo entry for every
 line

Problem:    Indent operator creates an undo entry for every line.
Solution:   Create one undo entry for all lines. (closes vim/vim#10227)
https://github.com/vim/vim/commit/e4686989944bffdbcf59890aa21091b135528618
---
 src/nvim/testdir/test_indent.vim | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'src/nvim/testdir')

diff --git a/src/nvim/testdir/test_indent.vim b/src/nvim/testdir/test_indent.vim
index 91e801a64a..516b3fbdd1 100644
--- a/src/nvim/testdir/test_indent.vim
+++ b/src/nvim/testdir/test_indent.vim
@@ -59,6 +59,29 @@ func Test_reindent()
   close!
 endfunc
 
+" Test indent operator creating one undo entry
+func Test_indent_operator_undo()
+  enew
+  call setline(1, range(12)->map('"\t" .. v:val'))
+  func FoldExpr()
+    let g:foldcount += 1
+    return '='
+  endfunc
+  set foldmethod=expr foldexpr=FoldExpr()
+  let g:foldcount = 0
+  redraw
+  call assert_equal(12, g:foldcount)
+  normal gg=G
+  call assert_equal(24, g:foldcount)
+  undo
+  call assert_equal(38, g:foldcount)
+
+  bwipe!
+  set foldmethod& foldexpr=
+  delfunc FoldExpr
+  unlet g:foldcount
+endfunc
+
 " Test for shifting a line with a preprocessor directive ('#')
 func Test_preproc_indent()
   new
-- 
cgit