From 664efa497e4e3d79d2e4ab486acbf1471b2389b0 Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Thu, 7 Jul 2022 04:47:18 +0800
Subject: vim-patch:8.2.0614: get ml_get error when deleting a line in
 'completefunc' (#19244)

Problem:    Get ml_get error when deleting a line in 'completefunc'. (Yegappan
            Lakshmanan)
Solution:   Lock the text while evaluating 'completefunc'.
https://github.com/vim/vim/commit/ff06f283e3e4b3ec43012dd3b83f8454c98f6639

Fix a mistake in the porting of patch 8.1.0098.
Cherry-pick Test_run_excmd_with_text_locked() from patch 8.2.0270.
Cherry-pick test_gf.vim changes from patch 8.2.0369.
Cherry-pick message change from later patches.
---
 src/nvim/testdir/test_excmd.vim | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'src/nvim/testdir/test_excmd.vim')

diff --git a/src/nvim/testdir/test_excmd.vim b/src/nvim/testdir/test_excmd.vim
index 7dde8a0439..b3052abb24 100644
--- a/src/nvim/testdir/test_excmd.vim
+++ b/src/nvim/testdir/test_excmd.vim
@@ -401,6 +401,30 @@ func Test_winsize_cmd()
   " Actually changing the window size would be flaky.
 endfunc
 
+" Test for running Ex commands when text is locked.
+" <C-\>e in the command line is used to lock the text
+func Test_run_excmd_with_text_locked()
+  " :quit
+  let cmd = ":\<C-\>eexecute('quit')\<CR>\<C-C>"
+  call assert_fails("call feedkeys(cmd, 'xt')", 'E565:')
+
+  " :qall
+  let cmd = ":\<C-\>eexecute('qall')\<CR>\<C-C>"
+  call assert_fails("call feedkeys(cmd, 'xt')", 'E565:')
+
+  " :exit
+  let cmd = ":\<C-\>eexecute('exit')\<CR>\<C-C>"
+  call assert_fails("call feedkeys(cmd, 'xt')", 'E565:')
+
+  " :close - should be ignored
+  new
+  let cmd = ":\<C-\>eexecute('close')\<CR>\<C-C>"
+  call assert_equal(2, winnr('$'))
+  close
+
+  call assert_fails("call feedkeys(\":\<C-R>=execute('bnext')\<CR>\", 'xt')", 'E565:')
+endfunc
+
 func Test_not_break_expression_register()
   call setreg('=', '1+1')
   if 0
-- 
cgit