Mercurial > vim
view src/testdir/test_expr_utf8.vim @ 29761:0cea0cdcce92 v9.0.0220
patch 9.0.0220: invalid memory access with for loop over NULL string
Commit: https://github.com/vim/vim/commit/f6d39c31d2177549a986d170e192d8351bd571e2
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Aug 16 17:50:38 2022 +0100
patch 9.0.0220: invalid memory access with for loop over NULL string
Problem: Invalid memory access with for loop over NULL string.
Solution: Make sure mb_ptr2len() consistently returns zero for NUL.
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Tue, 16 Aug 2022 19:00:04 +0200 |
parents | 512f48dc7100 |
children |
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" Tests for expressions using utf-8. func Test_strgetchar() call assert_equal(char2nr('á'), strgetchar('áxb', 0)) call assert_equal(char2nr('x'), strgetchar('áxb', 1)) call assert_equal(char2nr('a'), strgetchar('àxb', 0)) call assert_equal(char2nr('̀'), strgetchar('àxb', 1)) call assert_equal(char2nr('x'), strgetchar('àxb', 2)) call assert_equal(char2nr('あ'), strgetchar('あaい', 0)) call assert_equal(char2nr('a'), strgetchar('あaい', 1)) call assert_equal(char2nr('い'), strgetchar('あaい', 2)) endfunc func Test_strcharpart() call assert_equal('áxb', strcharpart('áxb', 0)) call assert_equal('á', strcharpart('áxb', 0, 1)) call assert_equal('x', strcharpart('áxb', 1, 1)) call assert_equal('いうeお', strcharpart('あいうeお', 1)) call assert_equal('い', strcharpart('あいうeお', 1, 1)) call assert_equal('いう', strcharpart('あいうeお', 1, 2)) call assert_equal('いうe', strcharpart('あいうeお', 1, 3)) call assert_equal('いうeお', strcharpart('あいうeお', 1, 4)) call assert_equal('eお', strcharpart('あいうeお', 3)) call assert_equal('e', strcharpart('あいうeお', 3, 1)) call assert_equal('あ', strcharpart('あいうeお', -3, 4)) call assert_equal('a', strcharpart('àxb', 0, 1)) call assert_equal('̀', strcharpart('àxb', 1, 1)) call assert_equal('x', strcharpart('àxb', 2, 1)) call assert_equal('a', strcharpart('àxb', 0, 1, 0)) call assert_equal('à', strcharpart('àxb', 0, 1, 1)) call assert_equal('x', strcharpart('àxb', 1, 1, 1)) call assert_fails("let v = strcharpart('abc', 0, 0, [])", 'E745:') call assert_fails("let v = strcharpart('abc', 0, 0, 2)", 'E1023:') endfunc " vim: shiftwidth=2 sts=2 expandtab