# File test/tc_dos_disks.rb, line 75
  def test_free_sector_list
    dskname=File.dirname(__FILE__)+"//white_11a.dsk"
    dsk=DSK.read(dskname)
                assert_equal(:dos,dsk.file_system,"#{dskname} should be DOS 3.3 format")
                assert(dsk.files.length>0,"#{dskname} should have at least one file")
    assert(!dsk.free_sector_list.nil?,"should have at least 1 free sector")
  end