require 'test/unit' require 'resolv' require 'socket' require 'tempfile' class TestResolvAddr < Test::Unit::TestCase def test_invalid_ipv4_address assert_not_match(Resolv::IPv4::Regex, "1.2.3.256", "[ruby-core:29501]") 1000.times {|i| if i < 256 assert_match(Resolv::IPv4::Regex, "#{i}.#{i}.#{i}.#{i}") else assert_not_match(Resolv::IPv4::Regex, "#{i}.#{i}.#{i}.#{i}") end } end def test_invalid_byte_comment bug9273 = '[ruby-core:59239] [Bug #9273]' Tempfile.open('resolv_test_addr_') do |tmpfile| tmpfile.print("\xff\x00\x40") tmpfile.close hosts = Resolv::Hosts.new(tmpfile.path) assert_nothing_raised(ArgumentError, bug9273) do hosts.each_address("") {break} end end end end