view src/testdir/test_random.vim @ 23201:94608d7c3b55 v8.2.2146

patch 8.2.2146: Vim9: automatic conversion of number to string for dict key Commit: https://github.com/vim/vim/commit/9987fb0b4b591e6450fb1dfbe8f615f365057f2a Author: Bram Moolenaar <Bram@vim.org> Date: Tue Dec 15 21:41:56 2020 +0100 patch 8.2.2146: Vim9: automatic conversion of number to string for dict key Problem: Vim9: automatic conversion of number to string for dict key. Solution: Do not convert number to string. (closes https://github.com/vim/vim/issues/7474)
author Bram Moolenaar <Bram@vim.org>
date Tue, 15 Dec 2020 21:45:05 +0100
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