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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_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
end
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