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view src/testdir/test_ex_undo.vim @ 9287:af25a1a875db v7.4.1926

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commit https://github.com/vim/vim/commit/a890f5e34887bff7616bdb4b9ee0bf98c8d2a8f0 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 12 23:03:19 2016 +0200 patch 7.4.1926 Problem: Possible crash with many history items. Solution: Avoid the index going past the last item.
author Christian Brabandt <cb@256bit.org>
date Sun, 12 Jun 2016 23:15:07 +0200
parents 52b13e25b21d
children 08940efa6b4e
line wrap: on
line source

" Tests for :undo

func Test_ex_undo()
  new ex-undo
  setlocal ul=10
  exe "normal ione\n\<Esc>"
  setlocal ul=10
  exe "normal itwo\n\<Esc>"
  setlocal ul=10
  exe "normal ithree\n\<Esc>"
  call assert_equal(4, line('$'))
  undo
  call assert_equal(3, line('$'))
  undo 1
  call assert_equal(2, line('$'))
  undo 0
  call assert_equal(1, line('$'))
  quit!
endfunc