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view src/testdir/test_scrollbind.vim @ 15593:e26caeb30026 v8.1.0804

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patch 8.1.0804: crash when setting v:errmsg to empty list commit https://github.com/vim/vim/commit/4b9e91f0ba02192e4592a5c4a9bdcdd6e9efeb5e Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jan 24 13:58:11 2019 +0100 patch 8.1.0804: crash when setting v:errmsg to empty list Problem: Crash when setting v:errmsg to empty list. (Jaon Franklin) Solution: Separate getting value and assigning result.
author Bram Moolenaar <Bram@vim.org>
date Thu, 24 Jan 2019 14:00:08 +0100
parents 0240e7e3d736
children 687ab2b5252b
line wrap: on
line source

" Test for 'scrollbind' causing an unexpected scroll of one of the windows.
func Test_scrollbind()
  " We don't want the status line to cause problems:
  set laststatus=0
  let totalLines = &lines * 20
  let middle = totalLines / 2
  new | only
  for i in range(1, totalLines)
      call setline(i, 'LINE ' . i)
  endfor
  exe string(middle)
  normal zt
  normal M
  aboveleft vert new
  for i in range(1, totalLines)
      call setline(i, 'line ' . i)
  endfor
  exe string(middle)
  normal zt
  normal M
  " Execute the following two commands at once to reproduce the problem.
  setl scb | wincmd p
  setl scb
  wincmd w
  let topLineLeft = line('w0')
  wincmd p
  let topLineRight = line('w0')
  setl noscrollbind
  wincmd p
  setl noscrollbind
  call assert_equal(0, topLineLeft - topLineRight)
endfunc