Mercurial > vim
view src/testdir/test_changelist.vim @ 33776:9503dc55b5ed v9.0.2108
patch 9.0.2108: [security]: overflow with count for :s command
Commit: https://github.com/vim/vim/commit/ac63787734fda2e294e477af52b3bd601517fa78
Author: Christian Brabandt <cb@256bit.org>
Date: Tue Nov 14 20:45:48 2023 +0100
patch 9.0.2108: [security]: overflow with count for :s command
Problem: [security]: overflow with count for :s command
Solution: Abort the :s command if the count is too large
If the count after the :s command is larger than what fits into a
(signed) long variable, abort with e_value_too_large.
Adds a test with INT_MAX as count and verify it correctly fails.
It seems the return value on Windows using mingw compiler wraps around,
so the initial test using :s/./b/9999999999999999999999999990 doesn't
fail there, since the count is wrapping around several times and finally
is no longer larger than 2147483647. So let's just use 2147483647 in the
test, which hopefully will always cause a failure
Signed-off-by: Christian Brabandt <cb@256bit.org>
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Thu, 16 Nov 2023 22:15:10 +0100 |
parents | f7a2de8a4ddc |
children |
line wrap: on
line source
" Tests for the changelist functionality " When splitting a window the changelist position is wrong. " Test the changelist position after splitting a window. " Test for the bug fixed by 7.4.386 func Test_changelist() let save_ul = &ul enew! call append('$', ['1', '2']) exe "normal i\<C-G>u" exe "normal Gkylpa\<C-G>u" set ul=100 exe "normal Gylpa\<C-G>u" set ul=100 normal gg vsplit normal g; call assert_equal([3, 2], [line('.'), col('.')]) normal g; call assert_equal([2, 2], [line('.'), col('.')]) call assert_fails('normal g;', 'E662:') new call assert_fails('normal g;', 'E664:') %bwipe! let &ul = save_ul endfunc " Moving a split should not change its changelist index. func Test_changelist_index_move_split() exe "norm! iabc\<C-G>u\ndef\<C-G>u\nghi" vsplit normal 99g; call assert_equal(0, getchangelist('%')[1]) wincmd L call assert_equal(0, getchangelist('%')[1]) endfunc " Tests for the getchangelist() function func Test_changelist_index() edit Xgclfile1.txt exe "normal iabc\<C-G>u\ndef\<C-G>u\nghi" call assert_equal(3, getchangelist('%')[1]) " Move one step back in the changelist. normal 2g; hide edit Xgclfile2.txt exe "normal iabcd\<C-G>u\ndefg\<C-G>u\nghij" call assert_equal(3, getchangelist('%')[1]) " Move to the beginning of the changelist. normal 99g; " Check the changelist indices. call assert_equal(0, getchangelist('%')[1]) call assert_equal(1, getchangelist('#')[1]) bwipe! call delete('Xgclfile1.txt') call delete('Xgclfile2.txt') endfunc func Test_getchangelist() bwipe! enew call assert_equal([], 10->getchangelist()) call assert_equal([[], 0], getchangelist()) call writefile(['line1', 'line2', 'line3'], 'Xclistfile1.txt', 'D') call writefile(['line1', 'line2', 'line3'], 'Xclistfile2.txt', 'D') edit Xclistfile1.txt let buf_1 = bufnr() exe "normal 1Goline\<C-G>u1.1" exe "normal 3Goline\<C-G>u2.1" exe "normal 5Goline\<C-G>u3.1" normal g; call assert_equal([[ \ {'lnum' : 2, 'col' : 4, 'coladd' : 0}, \ {'lnum' : 4, 'col' : 4, 'coladd' : 0}, \ {'lnum' : 6, 'col' : 4, 'coladd' : 0}], 2], \ getchangelist('%')) hide edit Xclistfile2.txt let buf_2 = bufnr() exe "normal 1GOline\<C-G>u1.0" exe "normal 2Goline\<C-G>u2.0" call assert_equal([[ \ {'lnum' : 1, 'col' : 6, 'coladd' : 0}, \ {'lnum' : 3, 'col' : 6, 'coladd' : 0}], 2], \ getchangelist('%')) hide enew call assert_equal([[ \ {'lnum' : 2, 'col' : 4, 'coladd' : 0}, \ {'lnum' : 4, 'col' : 4, 'coladd' : 0}, \ {'lnum' : 6, 'col' : 4, 'coladd' : 0}], 2], \ getchangelist(buf_1)) call assert_equal([[ \ {'lnum' : 1, 'col' : 6, 'coladd' : 0}, \ {'lnum' : 3, 'col' : 6, 'coladd' : 0}], 2], \ getchangelist(buf_2)) bwipe! endfunc " vim: shiftwidth=2 sts=2 expandtab