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view src/testdir/test_tabline.vim @ 16728:e55c26aaf484 v8.1.1366

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patch 8.1.1366: using expressions in a modeline is unsafe commit https://github.com/vim/vim/commit/110289e78195b6d01e1e6ad26ad450de476d41c1 Author: Bram Moolenaar <Bram@vim.org> Date: Thu May 23 15:38:06 2019 +0200 patch 8.1.1366: using expressions in a modeline is unsafe Problem: Using expressions in a modeline is unsafe. Solution: Disallow using expressions in a modeline, unless the 'modelineexpr' option is set. Update help, add more tests.
author Bram Moolenaar <Bram@vim.org>
date Thu, 23 May 2019 15:45:06 +0200
parents 325e4a8ba1b6
children 0650d220f742
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source shared.vim

func TablineWithCaughtError()
  let s:func_in_tabline_called = 1
  try
    call eval('unknown expression')
  catch
  endtry
  return ''
endfunc

func TablineWithError()
  let s:func_in_tabline_called = 1
  call eval('unknown expression')
  return ''
endfunc

func Test_caught_error_in_tabline()
  if has('gui')
    set guioptions-=e
  endif
  let showtabline_save = &showtabline
  set showtabline=2
  let s:func_in_tabline_called = 0
  let tabline = '%{TablineWithCaughtError()}'
  let &tabline = tabline
  redraw!
  call assert_true(s:func_in_tabline_called)
  call assert_equal(tabline, &tabline)
  set tabline=
  let &showtabline = showtabline_save
endfunc

func Test_tabline_will_be_disabled_with_error()
  if has('gui')
    set guioptions-=e
  endif
  let showtabline_save = &showtabline
  set showtabline=2
  let s:func_in_tabline_called = 0
  let tabline = '%{TablineWithError()}'
  try
    let &tabline = tabline
    redraw!
  catch
  endtry
  call assert_true(s:func_in_tabline_called)
  call assert_equal('', &tabline)
  set tabline=
  let &showtabline = showtabline_save
endfunc

func Test_redrawtabline()
  if has('gui')
    set guioptions-=e
  endif
  let showtabline_save = &showtabline
  set showtabline=2
  set tabline=%{bufnr('$')}
  edit Xtabline1
  edit Xtabline2
  redraw
  call assert_match(bufnr('$') . '', Screenline(1))
  au BufAdd * redrawtabline
  badd Xtabline3
  call assert_match(bufnr('$') . '', Screenline(1))

  set tabline=
  let &showtabline = showtabline_save
  au! Bufadd
endfunc