Mercurial > vim

diff src/testdir/test_tabline.vim @ 21417:53ff4dfe6e11 v8.2.1259

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
patch 8.2.1259: empty group in 'tabline' may cause using an invalid pointer Commit: https://github.com/vim/vim/commit/f56c95fdad5af521887f8cd7bc15729b5355231d Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jul 21 19:25:18 2020 +0200 patch 8.2.1259: empty group in 'tabline' may cause using an invalid pointer Problem: Empty group in 'tabline' may cause using an invalid pointer. Solution: Set the group start position. (closes https://github.com/vim/vim/issues/6505)
author Bram Moolenaar <Bram@vim.org>
date Tue, 21 Jul 2020 19:30:04 +0200
parents 0650d220f742
children 08940efa6b4e
line wrap: on
line diff
--- a/src/testdir/test_tabline.vim
+++ b/src/testdir/test_tabline.vim
@@ -112,4 +112,27 @@ func Test_tabline_flags()
   %bw!
 endfunc
 
+function EmptyTabname()
+  return ""
+endfunction
+
+function MakeTabLine() abort
+  let titles = map(range(1, tabpagenr('$')), '"%( %" . v:val . "T%{EmptyTabname()}%T %)"')
+  let sep = 'あ'
+  let tabpages = join(titles, sep)
+  return tabpages .. sep .. '%=%999X X'
+endfunction
+
+func Test_tabline_empty_group()
+  " this was reading invalid memory
+  set tabline=%!MakeTabLine()
+  tabnew
+  redraw!
+
+  tabclose
+  set tabline=
+endfunc
+
+
+
 " vim: shiftwidth=2 sts=2 expandtab