patch 8.2.2944: Vim9: no error when using job or channel as a string Commit: https://github.com/vim/vim/commit/1328bde9d406aa1292e92673fa8a026889424e79 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jun 5 20:51:38 2021 +0200 patch 8.2.2944: Vim9: no error when using job or channel as a string Problem: Vim9: no error when using job or channel as a string. Solution: Be more strict about conversion to string. (closes https://github.com/vim/vim/issues/8312)

" Tests for :undo

func Test_ex_undo()
  new ex-undo
  setlocal ul=10
  exe "normal ione\n\<Esc>"
  setlocal ul=10
  exe "normal itwo\n\<Esc>"
  setlocal ul=10
  exe "normal ithree\n\<Esc>"
  call assert_equal(4, line('$'))
  undo
  call assert_equal(3, line('$'))
  undo 1
  call assert_equal(2, line('$'))
  undo 0
  call assert_equal(1, line('$'))
  quit!
endfunc

" vim: shiftwidth=2 sts=2 expandtab