patch 8.0.1389: getqflist() items are missing if not set commit https://github.com/vim/vim/commit/a6d4849c711379b773529afaed640455287ac934 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Dec 12 22:45:31 2017 +0100 patch 8.0.1389: getqflist() items are missing if not set Problem: getqflist() items are missing if not set, that makes it more difficult to handle the values. Solution: When a value is not available return zero or another invalid value. (Yegappan Lakshmanan, closes #2430)

" 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