view src/testdir/test_undolevels.vim @ 9424:fd4e6d944f4a v7.4.1993

commit https://github.com/vim/vim/commit/6bb450145e96d7b182769fd9502a267da72667ec Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jul 7 15:11:19 2016 +0200 patch 7.4.1993 Problem: Not all TRUE and FALSE arguments are tested. Solution: Add a few more tests.
author Christian Brabandt <cb@256bit.org>
date Thu, 07 Jul 2016 15:15:06 +0200
parents 5deb9e8f4292
children
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" Tests for 'undolevels'

func FillBuffer()
  for i in range(1,13)
    put=i
    " Set 'undolevels' to split undo. 
    exe "setg ul=" . &g:ul
  endfor
endfunc

func Test_global_local_undolevels()
  new one
  set undolevels=5
  call FillBuffer()
  " will only undo the last 5 changes, end up with 13 - (5 + 1) = 7 lines
  earlier 10
  call assert_equal(5, &g:undolevels)
  call assert_equal(-123456, &l:undolevels)
  call assert_equal('7', getline('$'))

  new two
  setlocal undolevels=2
  call FillBuffer()
  " will only undo the last 2 changes, end up with 13 - (2 + 1) = 10 lines
  earlier 10
  call assert_equal(5, &g:undolevels)
  call assert_equal(2, &l:undolevels)
  call assert_equal('10', getline('$'))

  setlocal ul=10
  call assert_equal(5, &g:undolevels)
  call assert_equal(10, &l:undolevels)

  " Setting local value in "two" must not change local value in "one"
  wincmd p
  call assert_equal(5, &g:undolevels)
  call assert_equal(-123456, &l:undolevels)

  new three
  setglobal ul=50
  call assert_equal(50, &g:undolevels)
  call assert_equal(-123456, &l:undolevels)

  " Drop created windows
  set ul&
  new
  only!
endfunc