patch 8.0.1004: matchstrpos() without a match returns too many items commit https://github.com/vim/vim/commit/8d9f0ef5c6a6f6d19c3d02690e1ee347a70b8452 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Aug 27 13:51:01 2017 +0200 patch 8.0.1004: matchstrpos() without a match returns too many items Problem: Matchstrpos() without a match returns too many items. Solution: Also remove the second item when the position is beyond the end of the string. (Hirohito Higashi) Use an enum for the type.

" Tests for the Tcl interface.

if !has('tcl')
  finish
end

function Test_tcldo()
  " Check deleting lines does not trigger ml_get error.
  new
  call setline(1, ['one', 'two', 'three'])
  tcldo ::vim::command %d_
  bwipe!

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