Mercurial > vim
view src/testdir/test_unlet.vim @ 17308:d04de6c49f59 v8.1.1653
patch 8.1.1653: ubsan warns for possibly passing NULL pointer
commit https://github.com/vim/vim/commit/0d07155c8bbaca1a527b79da358438253a60839f
Author: Bram Moolenaar <Bram@vim.org>
Date: Mon Jul 8 22:04:03 2019 +0200
patch 8.1.1653: ubsan warns for possibly passing NULL pointer
Problem: Ubsan warns for possibly passing NULL pointer.
Solution: Skip code when length is zero. (Dominique Pelle, closes https://github.com/vim/vim/issues/4631)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Mon, 08 Jul 2019 22:15:04 +0200 |
parents | a94bc6a7b29e |
children | da98d2ed8dc5 |
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" Tests for :unlet func Test_read_only() " these caused a crash call assert_fails('unlet count', 'E795:') call assert_fails('unlet errmsg', 'E795:') endfunc func Test_existing() let does_exist = 1 call assert_true(exists('does_exist')) unlet does_exist call assert_false(exists('does_exist')) endfunc func Test_not_existing() unlet! does_not_exist call assert_fails('unlet does_not_exist', 'E108:') endfunc func Test_unlet_fails() call assert_fails('unlet v:["count"]', 'E46:') endfunc func Test_unlet_env() let envcmd = has('win32') ? 'set' : 'env' let $FOOBAR = 'test' let found = 0 for kv in split(system(envcmd), "\r*\n") if kv == 'FOOBAR=test' let found = 1 endif endfor call assert_equal(1, found) unlet $FOOBAR let found = 0 for kv in split(system(envcmd), "\r*\n") if kv == 'FOOBAR=test' let found = 1 endif endfor call assert_equal(0, found) unlet $MUST_NOT_BE_AN_ERROR endfunc func Test_unlet_complete() let g:FOOBAR = 1 call feedkeys(":unlet g:FOO\t\n", 'tx') call assert_true(!exists('g:FOOBAR')) let $FOOBAR = 1 call feedkeys(":unlet $FOO\t\n", 'tx') call assert_true(!exists('$FOOBAR') || empty($FOOBAR)) endfunc