patch 8.1.0245: calling setline() in TextChangedI autocmd breaks undo
Problem: Calling setline() in TextChangedI autocmd breaks undo. (Jason
Felice)
Solution: Don't save lines for undo when already saved. (closes #3291)
diff --git a/src/testdir/test_autocmd.vim b/src/testdir/test_autocmd.vim
index 19c54d1..b52493f 100644
--- a/src/testdir/test_autocmd.vim
+++ b/src/testdir/test_autocmd.vim
@@ -587,7 +587,7 @@
" Cleanup
au! OptionSet
for opt in ['nu', 'ai', 'acd', 'ar', 'bs', 'backup', 'cul', 'cp']
- exe printf(":set %s&vi", opt)
+ exe printf(":set %s&vim", opt)
endfor
call test_override('starting', 0)
delfunc! AutoCommandOptionSet
@@ -1313,6 +1313,31 @@
bw!
endfunc
+let g:setline_handled = v:false
+func! SetLineOne()
+ if !g:setline_handled
+ call setline(1, "(x)")
+ let g:setline_handled = v:true
+ endif
+endfunc
+
+func Test_TextChangedI_with_setline()
+ new
+ call test_override('char_avail', 1)
+ autocmd TextChangedI <buffer> call SetLineOne()
+ call feedkeys("i(\<CR>\<Esc>", 'tx')
+ call assert_equal('(', getline(1))
+ call assert_equal('x)', getline(2))
+ undo
+ call assert_equal('(', getline(1))
+ call assert_equal('', getline(2))
+ undo
+ call assert_equal('', getline(1))
+
+ call test_override('starting', 0)
+ bwipe!
+endfunc
+
func Test_Changed_FirstTime()
if !has('terminal') || has('gui_running')
return