view src/testdir/test_scrollbind.vim @ 14455:f713e016097d v8.1.0241

patch 8.1.0241: effect of ":tabmove N" is not clear commit https://github.com/vim/vim/commit/7cc596547a582e7bc18d91312eb674906ebdc5c2 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 7 13:14:46 2018 +0200 patch 8.1.0241: effect of ":tabmove N" is not clear Problem: Effect of ":tabmove N" is not clear. Solution: Add a test that shows the behavior. (Christian Brabandt, closes #3288)
author Christian Brabandt <cb@256bit.org>
date Tue, 07 Aug 2018 13:15:04 +0200
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