patch 8.0.1304: CTRL-G/CTRL-T don't work with incsearch and empty pattern commit https://github.com/vim/vim/commit/d0480097177369a6ed91d47aba189ae647afcd68 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Nov 16 22:20:39 2017 +0100 patch 8.0.1304: CTRL-G/CTRL-T don't work with incsearch and empty pattern Problem: CTRL-G/CTRL-T don't work with incsearch and empty pattern. Solution: Use the last search pattern. (Christian Brabandt, closes https://github.com/vim/vim/issues/2292)

" 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