view src/testdir/test_random.vim @ 20001:502a6c9b3974 v8.2.0556

patch 8.2.0556: Vim9: memory leak when finding common type Commit: https://github.com/vim/vim/commit/c5f1ef53c24cc0c9f7b2131609e916f913634feb Author: Bram Moolenaar <Bram@vim.org> Date: Sun Apr 12 17:11:27 2020 +0200 patch 8.2.0556: Vim9: memory leak when finding common type Problem: Vim9: memory leak when finding common type. Solution: Store allocated memory in type growarray.
author Bram Moolenaar <Bram@vim.org>
date Sun, 12 Apr 2020 17:15:03 +0200
parents 76cb39bf1871
children 6a4806e326dd
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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])', 'E475:')
  call assert_fails('echo rand([[1], 2, 3, 4])', 'E475:')
  call assert_fails('echo rand([1, [2], 3, 4])', 'E475:')
  call assert_fails('echo rand([1, 2, [3], 4])', 'E475:')
  call assert_fails('echo rand([1, 2, 3, [4]])', 'E475:')

  call test_settime(0)
endfunc

func Test_issue_5587()
  call rand()
  call garbagecollect()
  call rand()
endfunc