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view src/testdir/test_unlet.vim @ 8897:a410390e340b v7.4.1735

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commit https://github.com/vim/vim/commit/451f849fd6282a4facd4f0f58af62837443fb5a6 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Apr 14 17:16:22 2016 +0200 patch 7.4.1735 Problem: It is not possible to only see part of the message history. It is not possible to clear messages. Solution: Add a count to ":messages" and a clear argument. (Yasuhiro Matsumoto)
author Christian Brabandt <cb@256bit.org>
date Thu, 14 Apr 2016 17:30:07 +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