view src/testdir/test_random.vim @ 30310:029c59bf78f1 v9.0.0491

patch 9.0.0491: no good reason to build without the float feature Commit: https://github.com/vim/vim/commit/73e28dcc6125f616cf1f2d56443d22428a79e434 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Sep 17 21:08:33 2022 +0100 patch 9.0.0491: no good reason to build without the float feature Problem: No good reason to build without the float feature. Solution: Remove configure check for float and "#ifdef FEAT_FLOAT".
author Bram Moolenaar <Bram@vim.org>
date Sat, 17 Sep 2022 22:15:05 +0200
parents 08940efa6b4e
children 0608de106485
line wrap: on
line source

" 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()

  call assert_fails('echo srand(1.2)', 'E805:')
  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