Mercurial > vim
view src/testdir/test_unlet.vim @ 19649:d4baa35fea5d v8.2.0381
patch 8.2.0381: using freed memory with :lvimgrep and autocommand
Commit: https://github.com/vim/vim/commit/2573af3519ad062ddad647b97e32090f106f2ac1
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Mar 14 17:21:34 2020 +0100
patch 8.2.0381: using freed memory with :lvimgrep and autocommand
Problem: Using freed memory with :lvimgrep and autocommand. (extracted from
POC by Dominique Pelle)
Solution: Avoid deleting a dummy buffer used in a window. (closes #5777)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Sat, 14 Mar 2020 17:30:04 +0100 |
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