Mercurial > vim
view src/testdir/test78.in @ 10482:712acb0ad6a8 v8.0.0134
commit https://github.com/vim/vim/commit/c4bfedabe057c05f09a455a5851089e177fa9c00
Author: Bram Moolenaar <Bram@vim.org>
Date: Wed Dec 14 21:42:00 2016 +0100
patch 8.0.0134
Problem: Null pointer access reported by UBsan.
Solution: Check curwin->w_buffer is not NULL. (Yegappan Lakshmanan)
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Wed, 14 Dec 2016 21:45:04 +0100 |
parents | 7fe2c092913e |
children | ae45d497868f |
line wrap: on
line source
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. STARTTEST :so small.vim :set nocp fileformat=unix undolevels=-1 viminfo+=nviminfo :e! Xtest ggdG :let text = "\tabcdefghijklmnoparstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnoparstuvwxyz0123456789" :let i = 1 :let linecount = 10000 :while i <= linecount | call append(i - 1, i . text) | let i += 1 | endwhile :preserve :" get the name of the swap file :redir => swapname :swapname :redir END :let swapname = substitute(swapname, '[[:blank:][:cntrl:]]*\(.\{-}\)[[:blank:][:cntrl:]]*$', '\1', '') :" make a copy of the swap file in Xswap :set bin :exe 'sp ' . swapname :w! Xswap :echo swapname :set nobin :new :only! :bwipe! Xtest :call rename('Xswap', swapname) :recover Xtest :call delete(swapname) :new :call append(0, 'recovery start') :wincmd w :let linedollar = line('$') :if linedollar < linecount | exe 'wincmd w' | call append(line('$'), "expected " . linecount . " lines but found only " . linedollar) | exe 'wincmd w' | let linecount = linedollar | endif :let i = 1 :while i <= linecount | if getline(i) != i . text | exe 'wincmd w' | call append(line('$'), i . ' differs') | exe 'wincmd w' | endif | let i += 1 | endwhile :q! :call append(line('$'), 'recovery end') :w! test.out :qa! ENDTEST