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view src/testdir/test_unlet.vim @ 7795:4f23088b47ea v7.4.1194

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commit https://github.com/vim/vim/commit/83162468b3c8722fffea033d3de144cd4191472a Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jan 28 23:10:07 2016 +0100 patch 7.4.1194 Problem: Compiler warning for not using return value of fwrite(). Solution: Return OK/FAIL. (Charles Campbell)
author Christian Brabandt <cb@256bit.org>
date Thu, 28 Jan 2016 23:15:04 +0100
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