Mercurial > vim
view src/testdir/test_tabline.vim @ 17308:d04de6c49f59 v8.1.1653
patch 8.1.1653: ubsan warns for possibly passing NULL pointer
commit https://github.com/vim/vim/commit/0d07155c8bbaca1a527b79da358438253a60839f
Author: Bram Moolenaar <Bram@vim.org>
Date: Mon Jul 8 22:04:03 2019 +0200
patch 8.1.1653: ubsan warns for possibly passing NULL pointer
Problem: Ubsan warns for possibly passing NULL pointer.
Solution: Skip code when length is zero. (Dominique Pelle, closes https://github.com/vim/vim/issues/4631)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Mon, 08 Jul 2019 22:15:04 +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