patch 8.0.1426: "gf" and <cfile> don't accept ? and & in URL commit https://github.com/vim/vim/commit/9e3dfc650190e96739abc004eb9948afa68136b4 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Dec 25 14:29:18 2017 +0100 patch 8.0.1426: "gf" and <cfile> don't accept ? and & in URL Problem: "gf" and <cfile> don't accept ? and & in URL. (Dmitrii Tcyganok) Solution: Check for a URL and allow for extra characters. (closes https://github.com/vim/vim/issues/2493)

" Test for :cd

func Test_cd_large_path()
  " This used to crash with a heap write overflow.
  call assert_fails('cd ' . repeat('x', 5000), 'E472:')
endfunc

func Test_cd_up_and_down()
  let path = getcwd()
  cd ..
  exe 'cd ' . path
  call assert_equal(path, getcwd())
endfunc