patch 8.0.1377: cannot call a dict function in autoloaded dict commit https://github.com/vim/vim/commit/6e65d594aa33be11f6074f26e9ff81b52504c62b Author: Bram Moolenaar <Bram@vim.org> Date: Thu Dec 7 22:11:27 2017 +0100 patch 8.0.1377: cannot call a dict function in autoloaded dict Problem: Cannot call a dict function in autoloaded dict. Solution: Call get_lval() passing the read-only flag.

" Test 'autochdir' behavior

if !exists("+autochdir")
  finish
endif

func Test_set_filename()
  let cwd = getcwd()
  call test_autochdir()
  set acd
  new
  w samples/Xtest
  call assert_equal("Xtest", expand('%'))
  call assert_equal("samples", substitute(getcwd(), '.*/\(\k*\)', '\1', ''))
  bwipe!
  set noacd
  exe 'cd ' . cwd
  call delete('samples/Xtest')
endfunc