Mercurial > vim

view src/testdir/test_unlet.vim @ 7605:8fc60af6dbf5 v7.4.1102

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
commit https://github.com/vim/vim/commit/f1f60f859cdbb2638b3662ccf7b1d179865fe7dc Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 16 15:40:53 2016 +0100 patch 7.4.1102 Problem: Debugger has no stack backtrace support. Solution: Add "backtrace", "frame", "up" and "down" commands. (Alberto Fanjul, closes https://github.com/vim/vim/issues/433)
author Christian Brabandt <cb@256bit.org>
date Sat, 16 Jan 2016 15:45:04 +0100
parents 99e93f72ff91
children 8bff367672a4
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