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# 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
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