patch 8.0.0290: cursor positioning wrong if wide character wraps commit https://github.com/vim/vim/commit/04e87b72c5fa88b7034a5b0ec0be6a7ad763e9d2 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Feb 1 21:23:10 2017 +0100 patch 8.0.0290: cursor positioning wrong if wide character wraps Problem: If a wide character doesn't fit at the end of the screen line, and the line doesn't fit on the screen, then the cursor position may be wrong. (anliting) Solution: Don't skip over wide character. (Christian Brabandt, closes #1408)

" Test for python 2 commands.
" TODO: move tests from test87.in here.

if !has('python')
  finish
endif

func Test_pydo()
  " Check deleting lines does not trigger ml_get error.
  py import vim
  new
  call setline(1, ['one', 'two', 'three'])
  pydo vim.command("%d_")
  bwipe!

  " Check switching to another buffer does not trigger ml_get error.
  new
  let wincount = winnr('$')
  call setline(1, ['one', 'two', 'three'])
  pydo vim.command("new")
  call assert_equal(wincount + 1, winnr('$'))
  bwipe!
  bwipe!
endfunc