Mercurial > vim
view src/testdir/test_recover.vim @ 21417:53ff4dfe6e11 v8.2.1259
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 | 11394af51615 |
children | 08940efa6b4e |
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" Test :recover func Test_recover_root_dir() " This used to access invalid memory. split Xtest set dir=/ call assert_fails('recover', 'E305:') close! if has('win32') || filewritable('/') == 2 " can write in / directory on MS-Windows set dir=/notexist/ endif call assert_fails('split Xtest', 'E303:') " No error with empty 'directory' setting. set directory= split XtestOK close! set dir& endfunc " Inserts 10000 lines with text to fill the swap file with two levels of pointer " blocks. Then recovers from the swap file and checks all text is restored. " " We need about 10000 lines of 100 characters to get two levels of pointer " blocks. func Test_swap_file() set fileformat=unix undolevels=-1 edit! Xtest let text = "\tabcdefghijklmnoparstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnoparstuvwxyz0123456789" let i = 1 let linecount = 10000 while i <= linecount call append(i - 1, i . text) let i += 1 endwhile $delete preserve " get the name of the swap file let swname = split(execute("swapname"))[0] let swname = substitute(swname, '[[:blank:][:cntrl:]]*\(.\{-}\)[[:blank:][:cntrl:]]*$', '\1', '') " make a copy of the swap file in Xswap set binary exe 'sp ' . swname w! Xswap set nobinary new only! bwipe! Xtest call rename('Xswap', swname) recover Xtest call delete(swname) let linedollar = line('$') call assert_equal(linecount, linedollar) if linedollar < linecount let linecount = linedollar endif let i = 1 while i <= linecount call assert_equal(i . text, getline(i)) let i += 1 endwhile set undolevels& enew! | only endfunc