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view src/testdir/test_unlet.vim @ 7498:3fcd3d235f7b v7.4.1051

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commit https://github.com/vim/vim/commit/af8af8bfac5792fa64efbc524032d568cc7754f7 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jan 4 22:05:24 2016 +0100 patch 7.4.1051 Problem: Segfault when unletting "count". Solution: Check for readonly and locked first. (Dominique Pelle) Add a test.
author Christian Brabandt <cb@256bit.org>
date Mon, 04 Jan 2016 22:15:06 +0100
parents
children f73876aa9a13
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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
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