" Test behavior of fileformat after bwipeout of last buffer

func Test_fileformat_after_bw()
  bwipeout
  set fileformat&
  if &fileformat == 'dos'
    let test_fileformats = 'unix'
  elseif &fileformat == 'unix'
    let test_fileformats = 'mac'
  else  " must be mac
    let test_fileformats = 'dos'
  endif
  exec 'set fileformats='.test_fileformats
  bwipeout!
  call assert_equal(test_fileformats, &fileformat)
  set fileformats&
endfunc

func Test_fileformat_autocommand()
	let filecnt=['', 'foobar', 'eins', '', 'zwei', 'drei', 'vier', 'fünf', '']
	let ffs=&ffs
	call writefile(filecnt, 'Xfile', 'b')
	au BufReadPre Xfile set ffs=dos ff=dos
	new Xfile
	call assert_equal('dos', &l:ff)
	call assert_equal('dos', &ffs)
	" cleanup
	let &ffs=ffs
	au! BufReadPre Xfile
	bw!
endfunc