# frozen_string_literal: false 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_valid_ipv6_link_local_address bug17112 = "[ruby-core:99539]" assert_not_match(Resolv::IPv6::Regex, "fe80::1%", bug17112) assert_not_match(Resolv::IPv6::Regex, "fe80:2:3:4:5:6:7:8%", bug17112) assert_not_match(Resolv::IPv6::Regex, "fe90::1%em1", bug17112) assert_not_match(Resolv::IPv6::Regex, "1:2:3:4:5:6:7:8%em1", bug17112) assert_match(Resolv::IPv6::Regex, "fe80:2:3:4:5:6:7:8%em1", bug17112) assert_match(Resolv::IPv6::Regex, "fe80::20d:3aff:fe7d:9760%eth0", bug17112) assert_match(Resolv::IPv6::Regex, "fe80::1%em1", bug17112) assert_match(Resolv::IPv6::Regex, "FE80:2:3:4:5:6:7:8%EM1", bug17112) assert_match(Resolv::IPv6::Regex, "FE80::20D:3AFF:FE7D:9760%ETH0", bug17112) assert_match(Resolv::IPv6::Regex, "FE80::1%EM1", bug17112) bug17524 = "[ruby-core:101992]" assert_match(Resolv::IPv6::Regex, "FE80::20D:3AFF:FE7D:9760%ruby_3.0.0-1", bug17524) assert_match(Resolv::IPv6::Regex, "fe80::1%ruby_3.0.0-1", bug17524) end def test_valid_socket_ip_address_list Socket.ip_address_list.each do |addr| ip = addr.ip_address assert_match(Resolv::AddressRegex, ip) assert_equal(ip, Resolv.getaddress(ip)) end end def test_invalid_byte_comment bug9273 = '[ruby-core:59239] [Bug #9273]' Tempfile.create('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 def test_hosts_by_command Dir.mktmpdir do |dir| Dir.chdir(dir) do hosts = Resolv::Hosts.new("|echo error") assert_raise(Errno::ENOENT, Errno::EINVAL) do hosts.each_name("") {} end end end end end