From dfa21316cdd5fbd07f8f8fd5eb58cddbdcdb03ff Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Mon, 25 Sep 2023 05:50:03 +0800
Subject: [PATCH] vim-patch:9.0.1934: :bwipe fails after switching window from
 aucmd_win.

Problem:  :bwipe fails after switching window from aucmd_win.
Solution: Decrement b_nwindows after switching back to aucmd_win.

closes: vim/vim#13160

https://github.com/vim/vim/commit/46bdae036ac4121e305fc3ed4ef3f9fc928dcb25
---
 test/old/testdir/test_autocmd.vim | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/test/old/testdir/test_autocmd.vim b/test/old/testdir/test_autocmd.vim
index 9da20e662e..453ac10c00 100644
--- a/test/old/testdir/test_autocmd.vim
+++ b/test/old/testdir/test_autocmd.vim
@@ -3442,11 +3442,22 @@ func Test_closing_autocmd_window()
   END
   call CheckScriptFailure(lines, 'E814:')
   au! BufEnter
-  only!
   bwipe Xa.txt
   bwipe Xb.txt
 endfunc
 
+func Test_switch_window_in_autocmd_window()
+  edit Xa.txt
+  tabnew Xb.txt
+  autocmd BufEnter Xa.txt wincmd w
+  doautoall BufEnter
+  au! BufEnter
+  bwipe Xa.txt
+  call assert_false(bufexists('Xa.txt'))
+  bwipe Xb.txt
+  call assert_false(bufexists('Xb.txt'))
+endfunc
+
 func Test_bufwipeout_changes_window()
   " This should not crash, but we don't have any expectations about what
   " happens, changing window in BufWipeout has unpredictable results.