Mercurial > vim
view src/testdir/test_backup.vim @ 33789:2175a980f3eb v9.0.2113
patch 9.0.2113: Coverity warns for another overflow in shift_line()
Commit: https://github.com/vim/vim/commit/22a97fc241361aa91bda84e5344d5b7c0cda3e81
Author: Christian Brabandt <cb@256bit.org>
Date: Sun Nov 19 10:45:24 2023 +0100
patch 9.0.2113: Coverity warns for another overflow in shift_line()
Problem: Coverity warns for another overflow in shift_line()
Solution: Test for INT_MAX after the if condition, cast integer values
to (long long) before multiplying.
Signed-off-by: Christian Brabandt <cb@256bit.org>
Signed-off-by: Michael Henry <vim@drmikehenry.com>
Signed-off-by: Ernie Rael <errael@raelity.com>
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Sun, 19 Nov 2023 11:00:05 +0100 |
| parents | ba5ca7c7d44c |
| children |
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" Tests for the backup function source check.vim func Test_backup() set backup backupdir=. backupskip= new call setline(1, ['line1', 'line2']) :f Xbackup.txt :w! Xbackup.txt " backup file is only created after " writing a second time (before overwriting) :w! Xbackup.txt let l = readfile('Xbackup.txt~') call assert_equal(['line1', 'line2'], l) bw! set backup&vim backupdir&vim backupskip&vim call delete('Xbackup.txt') call delete('Xbackup.txt~') endfunc func Test_backup_backupskip() set backup backupdir=. backupskip=*.txt new call setline(1, ['line1', 'line2']) :f Xbackup.txt :w! Xbackup.txt " backup file is only created after " writing a second time (before overwriting) :w! Xbackup.txt call assert_false(filereadable('Xbackup.txt~')) bw! set backup&vim backupdir&vim backupskip&vim call delete('Xbackup.txt') call delete('Xbackup.txt~') endfunc func Test_backup2() set backup backupdir=.// backupskip= new call setline(1, ['line1', 'line2', 'line3']) :f Xbackup.txt :w! Xbackup.txt " backup file is only created after " writing a second time (before overwriting) :w! Xbackup.txt sp *Xbackup.txt~ call assert_equal(['line1', 'line2', 'line3'], getline(1,'$')) let f = expand('%') call assert_match('%testdir%Xbackup.txt\~', f) bw! bw! call delete('Xbackup.txt') call delete(f) set backup&vim backupdir&vim backupskip&vim endfunc func Test_backup2_backupcopy() set backup backupdir=.// backupcopy=yes backupskip= new call setline(1, ['line1', 'line2', 'line3']) :f Xbackup.txt :w! Xbackup.txt " backup file is only created after " writing a second time (before overwriting) :w! Xbackup.txt sp *Xbackup.txt~ call assert_equal(['line1', 'line2', 'line3'], getline(1,'$')) let f = expand('%') call assert_match('%testdir%Xbackup.txt\~', f) bw! bw! call delete('Xbackup.txt') call delete(f) set backup&vim backupdir&vim backupcopy&vim backupskip&vim endfunc " Test for using a non-existing directory as a backup directory func Test_non_existing_backupdir() set backupdir=./non_existing_dir backupskip= call writefile(['line1'], 'Xbackupdir', 'D') new Xbackupdir call assert_fails('write', 'E510:') set backupdir&vim backupskip&vim endfunc " vim: shiftwidth=2 sts=2 expandtab