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view src/testdir/test_scrollbind.vim @ 15209:3a99b2e6d136 v8.1.0614

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patch 8.1.0614: placing signs can be complicated commit https://github.com/vim/vim/commit/162b71479bd4dcdb3a2ef9198a1444f6f99e6843 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Dec 21 15:17:36 2018 +0100 patch 8.1.0614: placing signs can be complicated Problem: Placing signs can be complicated. Solution: Add functions for defining and placing signs. Introduce a group name to avoid different plugins using the same signs. (Yegappan Lakshmanan, closes #3652)
author Bram Moolenaar <Bram@vim.org>
date Fri, 21 Dec 2018 15:30:07 +0100
parents 0240e7e3d736
children 687ab2b5252b
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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