Mercurial > vim

comparison src/testdir/test_random.vim @ 18701:128662297ddf v8.1.2342

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
patch 8.1.2342: random number generator in Vim script is slow Commit: https://github.com/vim/vim/commit/06b0b4bc27077013e9b4b48fd1d9b33e543ccf99 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Nov 25 15:40:55 2019 +0100 patch 8.1.2342: random number generator in Vim script is slow Problem: Random number generator in Vim script is slow. Solution: Add rand() and srand(). (Yasuhiro Matsumoto, closes https://github.com/vim/vim/issues/1277)
author Bram Moolenaar <Bram@vim.org>
date Mon, 25 Nov 2019 15:45:04 +0100
parents
children aef98a646d3e
comparison
equal deleted inserted replaced
18700:975583db60c0 18701:128662297ddf
1 " Tests for srand() and rand()
2
3 func Test_Rand()
4 let r = srand(123456789)
5 call assert_equal([123456789, 362436069, 521288629, 88675123], r)
6 call assert_equal(3701687786, rand(r))
7 call assert_equal(458299110, rand(r))
8 call assert_equal(2500872618, rand(r))
9 call assert_equal(3633119408, rand(r))
10 call assert_equal(516391518, rand(r))
11
12 call test_settime(12341234)
13 let s = srand()
14 call assert_equal(s, srand())
15 call test_settime(12341235)
16 call assert_notequal(s, srand())
17
18 call srand()
19 let v = rand()
20 call assert_notequal(v, rand())
21
22 call assert_fails('echo srand([1])', 'E745:')
23 call assert_fails('echo rand([1, 2, 3])', 'E475:')
24 call assert_fails('echo rand([[1], 2, 3, 4])', 'E475:')
25 call assert_fails('echo rand([1, [2], 3, 4])', 'E475:')
26 call assert_fails('echo rand([1, 2, [3], 4])', 'E475:')
27 call assert_fails('echo rand([1, 2, 3, [4]])', 'E475:')
28 endfunc