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view src/testdir/test_tabline.vim @ 12680:429bf1b9292f v8.0.1218

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patch 8.0.1218: writing to freed memory in autocmd commit https://github.com/vim/vim/commit/8d84ff1a3c8cfe59399d3f675ec080066582fdb6 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Oct 26 16:42:16 2017 +0200 patch 8.0.1218: writing to freed memory in autocmd Problem: Writing to freed memory in autocmd. Solution: Make a copy of the tag line. (Dominique Pelle, closes https://github.com/vim/vim/issues/2245)
author Christian Brabandt <cb@256bit.org>
date Thu, 26 Oct 2017 16:45:05 +0200
parents ccab37bb9ac9
children 325e4a8ba1b6
line wrap: on
line source

function! TablineWithCaughtError()
  let s:func_in_tabline_called = 1
  try
    call eval('unknown expression')
  catch
  endtry
  return ''
endfunction

function! TablineWithError()
  let s:func_in_tabline_called = 1
  call eval('unknown expression')
  return ''
endfunction

function! 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
endfunction

function! 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
endfunction