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view src/testdir/test_scrollbind.vim @ 16270:749a7c03de8d

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patch 8.1.1139: no test for what is fixed in patch 8.1.0716 commit https://github.com/vim/vim/commit/9845f36aa6ba28e0aa388bb635d4bb8ab56f1a47 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Apr 8 18:59:54 2019 +0200 patch 8.1.1139: no test for what is fixed in patch 8.1.0716 Problem: No test for what is fixed in patch 8.1.0716. Solution: Add a test. (Yasuhiro Matsumoto, closes https://github.com/vim/vim/issues/3797)
author Bram Moolenaar <Bram@vim.org>
date Mon, 08 Apr 2019 19:00:04 +0200
parents 0240e7e3d736
children 687ab2b5252b
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" 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