view src/testdir/test_scrollbind.vim @ 15284:c31e4b1fa4fd v8.1.0650

patch 8.1.0650: command line argument -q [errorfile] is not tested commit https://github.com/vim/vim/commit/54948183d210f5117271bb5710752da24054fade Author: Bram Moolenaar <Bram@vim.org> Date: Fri Dec 28 18:32:56 2018 +0100 patch 8.1.0650: command line argument -q [errorfile] is not tested Problem: Command line argument -q [errorfile] is not tested. Solution: Add a test. (Dominique Pelle, closes https://github.com/vim/vim/issues/3730)
author Bram Moolenaar <Bram@vim.org>
date Fri, 28 Dec 2018 18:45:05 +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