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view src/testdir/test_unlet.vim @ 9735:8037eb704e93 v7.4.2143

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commit https://github.com/vim/vim/commit/bc7ce675b2d1c9fb58c067eff3edd59abc30aba4 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Aug 1 22:49:22 2016 +0200 patch 7.4.2143 Problem: A funccal is garbage collected while it can still be used. Solution: Set copyID in all referenced functions. Do not list lambda functions with ":function".
author Christian Brabandt <cb@256bit.org>
date Mon, 01 Aug 2016 23:00:07 +0200
parents 99e93f72ff91
children 8bff367672a4
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" 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