patch 8.0.1346: crash when passing 50 char string to balloon_split() commit https://github.com/vim/vim/commit/a3571ebef5a2969d16e3e202ec4bca8858aca6ba Author: Bram Moolenaar <Bram@vim.org> Date: Sun Nov 26 16:53:16 2017 +0100 patch 8.0.1346: crash when passing 50 char string to balloon_split() Problem: Crash when passing 50 char string to balloon_split(). Solution: Fix off-by-one error.

" 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