patch 8.2.2782: Vim9: blob operations not fully tested Commit: https://github.com/vim/vim/commit/39211cba723a2cb58a97c7e08826713164b86efc Author: Bram Moolenaar <Bram@vim.org> Date: Sun Apr 18 15:48:04 2021 +0200 patch 8.2.2782: Vim9: blob operations not fully tested Problem: Vim9: blob operations not fully tested. Solution: Make more blob tests run in Vim9 script. Fix filter(). Make insert() give an error for a null blob, like add().

" 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