patch 8.0.0627: "gn" selects only one character with 'nowrapscan' commit https://github.com/vim/vim/commit/add8dce38de65a0c64e8f54d6bdcadb45a8de2cf Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jun 5 19:56:04 2017 +0200 patch 8.0.0627: "gn" selects only one character with 'nowrapscan' Problem: When 'wrapscan' is off "gn" does not select the whole pattern when it's the last one in the text. (KeyboardFire) Solution: Check if the search fails. (Christian Brabandt, closes #1683)

" 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