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view src/testdir/test_unlet.vim @ 7562:f73876aa9a13 v7.4.1081

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commit https://github.com/vim/vim/commit/254b105b755d9736ece5f7f28db92acaf3e7bf76 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jan 10 16:10:17 2016 +0100 patch 7.4.1081 Problem: No test for what previously caused a crash. Solution: Add test for unletting errmsg.
author Christian Brabandt <cb@256bit.org>
date Sun, 10 Jan 2016 16:15:05 +0100
parents 3fcd3d235f7b
children 99e93f72ff91
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" Tests for :unlet

func Test_read_only()
  try
    " this caused a crash
    unlet count
  catch
    call assert_true(v:exception =~ ':E795:')
  endtry
  try
    " this caused a crash
    unlet errmsg
  catch
    call assert_true(v:exception =~ ':E795:')
  endtry
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
  try
    unlet does_not_exist
  catch
    call assert_true(v:exception =~ ':E108:')
  endtry
endfunc