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view src/testdir/test_ex_undo.vim @ 16003:879829e44091 v8.1.1007

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patch 8.1.1007: using closure may consume a lot of memory commit https://github.com/vim/vim/commit/209b8e3e3bf7a4a3d102134124120f6c7f57d560 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Mar 14 13:43:24 2019 +0100 patch 8.1.1007: using closure may consume a lot of memory Problem: Using closure may consume a lot of memory. Solution: unreference items that are no longer needed. Add a test. (Ozaki Kiichi, closes #3961)
author Bram Moolenaar <Bram@vim.org>
date Thu, 14 Mar 2019 13:45:06 +0100
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