Mercurial > vim
view src/testdir/test_random.vim @ 29214:9e0b45df95b0 v8.2.5126
patch 8.2.5126: substitute may overrun destination buffer
Commit: https://github.com/vim/vim/commit/d6211a52ab9f53b82f884561ed43d2fe4d24ff7d
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Jun 18 19:48:14 2022 +0100
patch 8.2.5126: substitute may overrun destination buffer
Problem: Substitute may overrun destination buffer.
Solution: Disallow switching buffers in a substitute expression.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Sat, 18 Jun 2022 21:00:04 +0200 |
| parents | 08940efa6b4e |
| children | 029c59bf78f1 |
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" Tests for srand() and rand() func Test_Rand() let r = srand(123456789) call assert_equal([1573771921, 319883699, 2742014374, 1324369493], r) call assert_equal(4284103975, rand(r)) call assert_equal(1001954530, rand(r)) call assert_equal(2701803082, rand(r)) call assert_equal(2658065534, rand(r)) call assert_equal(3104308804, rand(r)) call test_settime(12341234) let s = srand() if !has('win32') && filereadable('/dev/urandom') " using /dev/urandom call assert_notequal(s, srand()) else " using time() call assert_equal(s, srand()) call test_settime(12341235) call assert_notequal(s, srand()) endif call test_srand_seed(123456789) call assert_equal(4284103975, rand()) call assert_equal(1001954530, rand()) call test_srand_seed() if has('float') call assert_fails('echo srand(1.2)', 'E805:') endif call assert_fails('echo srand([1])', 'E745:') call assert_fails('echo rand("burp")', 'E475:') call assert_fails('echo rand([1, 2, 3])', 'E730:') call assert_fails('echo rand([[1], 2, 3, 4])', 'E730:') call assert_fails('echo rand([1, [2], 3, 4])', 'E730:') call assert_fails('echo rand([1, 2, [3], 4])', 'E730:') call assert_fails('echo rand([1, 2, 3, [4]])', 'E730:') call test_settime(0) endfunc func Test_issue_5587() call rand() call garbagecollect() call rand() endfunc " vim: shiftwidth=2 sts=2 expandtab