commit d7ae263af8f6a2da55ce3702d18c53ab1418bca7
author Evgeni Chasnovski <evgeni.chasnovski@gmail.com> Sun Oct 15 09:59:00 2023 +0200
committer Christian Brabandt <cb@256bit.org> Sun Oct 15 09:59:00 2023 +0200
tree 0d4235044647a65f99772d5079e85ac9dc0ca223
parent 47510f3d6598a1218958c03ed11337a43b73f48d

patch 9.0.2031: TextChangedI may be triggered by non-insert mode change

Problem:  `TextChangedI` can trigger on entering Insert mode if there
          was previously a change not in Insert mode.
Solution: Make it trigger only when text is actually changed in Insert
          mode.

closes: #13265
closes: #13338

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Evgeni Chasnovski <evgeni.chasnovski@gmail.com>

src/testdir/test_autocmd.vim

diff --git a/src/testdir/test_autocmd.vim b/src/testdir/test_autocmd.vim
index 419005a..1e1bb45 100644
--- a/src/testdir/test_autocmd.vim
+++ b/src/testdir/test_autocmd.vim
@@ -2566,27 +2566,28 @@
   call cursor(3, 1)
   let g:autocmd = ''
   call feedkeys("o\<esc>", 'tnix')
-  call assert_equal('I', g:autocmd)
+  " `TextChangedI` triggers only if text is actually changed in Insert mode
+  call assert_equal('', g:autocmd)
 
   let g:autocmd = ''
   call feedkeys("Sf", 'tnix')
-  call assert_equal('II', g:autocmd)
+  call assert_equal('I', g:autocmd)
 
   let g:autocmd = ''
   call feedkeys("Sf\<C-N>", 'tnix')
-  call assert_equal('IIP', g:autocmd)
+  call assert_equal('IP', g:autocmd)
 
   let g:autocmd = ''
   call feedkeys("Sf\<C-N>\<C-N>", 'tnix')
-  call assert_equal('IIPP', g:autocmd)
+  call assert_equal('IPP', g:autocmd)
 
   let g:autocmd = ''
   call feedkeys("Sf\<C-N>\<C-N>\<C-N>", 'tnix')
-  call assert_equal('IIPPP', g:autocmd)
+  call assert_equal('IPPP', g:autocmd)
 
   let g:autocmd = ''
   call feedkeys("Sf\<C-N>\<C-N>\<C-N>\<C-N>", 'tnix')
-  call assert_equal('IIPPPP', g:autocmd)
+  call assert_equal('IPPPP', g:autocmd)
 
   call assert_equal(['foo', 'bar', 'foobar', 'foo'], getline(1, '$'))
   " TODO: how should it handle completeopt=noinsert,noselect?
@@ -3610,6 +3611,16 @@
   " call assert_equal('N4', g:autocmd_n)
   call assert_equal('I3', g:autocmd_i)
 
+  " TextChangedI should only trigger if change was done in Insert mode
+  let g:autocmd_i = ''
+  call feedkeys("yypi\<esc>", 'tnix')
+  call assert_equal('', g:autocmd_i)
+
+  " TextChanged should only trigger if change was done in Normal mode
+  let g:autocmd_n = ''
+  call feedkeys("ibar\<esc>", 'tnix')
+  call assert_equal('', g:autocmd_n)
+
   " CleanUp
   call test_override("char_avail", 0)
   au! TextChanged  <buffer>