patch 8.0.0237: when 'wildoptions' is "tagfile" completion may not work commit https://github.com/vim/vim/commit/ba47b51ff88d91c9bb5aa522183e23a656865697 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 24 21:18:19 2017 +0100 patch 8.0.0237: when 'wildoptions' is "tagfile" completion may not work Problem: When setting wildoptions=tagfile the completion context is not set correctly. (desjardins) Solution: Check for EXPAND_TAGS_LISTFILES. (Christian Brabandt, closes #1399)

" Test 'autochdir' behavior

if !exists("+autochdir")
  finish
endif

func Test_set_filename()
  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
  call delete('samples/Xtest')
endfunc