commit 7b94e77132eabdf0e43abca57e2ffeb961545174
author Bram Moolenaar <Bram@vim.org> Mon Jan 06 21:03:24 2020 +0100
committer Bram Moolenaar <Bram@vim.org> Mon Jan 06 21:03:24 2020 +0100
tree 61c26382aba1bb738c2a88a08345b6bcd009a097
parent a1353b5352f0797fc651a0dd363876f1c2fa60c5

patch 8.2.0093: win_splitmove() can make Vim hang

Problem:    win_splitmove() can make Vim hang.
Solution:   Check windows exists in the current tab page. (closes #5444)

src/testdir/test_window_cmd.vim

diff --git a/src/testdir/test_window_cmd.vim b/src/testdir/test_window_cmd.vim
index d543ef7..87c1f1f 100644
--- a/src/testdir/test_window_cmd.vim
+++ b/src/testdir/test_window_cmd.vim
@@ -927,6 +927,10 @@
   call assert_fails('call win_splitmove(winnr(), 123)', 'E957:')
   call assert_fails('call win_splitmove(123, winnr())', 'E957:')
   call assert_fails('call win_splitmove(winnr(), winnr())', 'E957:')
+
+  tabnew
+  call assert_fails('call win_splitmove(1, win_getid(1, 1))', 'E957:')
+  tabclose
 endfunc
 
 " vim: shiftwidth=2 sts=2 expandtab