patch 8.2.0743: can move to another buffer from a terminal in popup window Commit: https://github.com/vim/vim/commit/5aed0ccb965dbad4b60f4c77c9c4455a9379e73c Author: Bram Moolenaar <Bram@vim.org> Date: Tue May 12 22:02:21 2020 +0200 patch 8.2.0743: can move to another buffer from a terminal in popup window Problem: Can move to another buffer from a terminal in popup window. Solution: Do not allow "gf" or editing a file. (closes https://github.com/vim/vim/issues/6072)

func Test_empty_buffer()
  new
  insert
a
b
c
d
.
  call assert_equal(1, line("''"))
  bwipe!
endfunc