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view src/testdir/test_ex_undo.vim @ 9994:ee8b8a670a5c v7.4.2270

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commit https://github.com/vim/vim/commit/821179809d9b0f65177360b53584be2b4039dd46 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 27 19:21:48 2016 +0200 patch 7.4.2270 Problem: Insufficient testing for NUL bytes on a raw channel. Solution: Add a test for writing and reading.
author Christian Brabandt <cb@256bit.org>
date Sat, 27 Aug 2016 19:30:06 +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