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view src/testdir/test_unlet.vim @ 12680:429bf1b9292f v8.0.1218

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patch 8.0.1218: writing to freed memory in autocmd commit https://github.com/vim/vim/commit/8d84ff1a3c8cfe59399d3f675ec080066582fdb6 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Oct 26 16:42:16 2017 +0200 patch 8.0.1218: writing to freed memory in autocmd Problem: Writing to freed memory in autocmd. Solution: Make a copy of the tag line. (Dominique Pelle, closes https://github.com/vim/vim/issues/2245)
author Christian Brabandt <cb@256bit.org>
date Thu, 26 Oct 2017 16:45:05 +0200
parents 8bff367672a4
children e4d5726e1678
line wrap: on
line source

" Tests for :unlet

func Test_read_only()
  " these caused a crash
  call assert_fails('unlet count', 'E795:')
  call assert_fails('unlet errmsg', 'E795:')
endfunc

func Test_existing()
  let does_exist = 1
  call assert_true(exists('does_exist'))
  unlet does_exist
  call assert_false(exists('does_exist'))
endfunc

func Test_not_existing()
  unlet! does_not_exist
  call assert_fails('unlet does_not_exist', 'E108:')
endfunc

func Test_unlet_fails()
  call assert_fails('unlet v:["count"]', 'E46:')
endfunc