require File.expand_path('../../../../spec_helper', __FILE__)
require File.expand_path('../../fixtures/classes', __FILE__)

require 'socket'

describe "Socket#getaddrinfo" do
  before :all do
    @do_not_reverse_lookup = BasicSocket.do_not_reverse_lookup
  end

  before :each do
    BasicSocket.do_not_reverse_lookup = true
  end

  after :each do
    BasicSocket.do_not_reverse_lookup = false
  end

  after :all do
    BasicSocket.do_not_reverse_lookup = @do_not_reverse_lookup
  end

  it "gets the address information" do
    expected = []
    # The check for AP_INET6's class is needed because ipaddr.rb adds
    # fake AP_INET6 even in case when IPv6 is not really supported.
    # Without such check, this test might fail when ipaddr was required
    # by some other specs.
    if (Socket.constants.include? 'AF_INET6') &&
        (Socket::AF_INET6.class != Object) then
      expected.concat [
        ['AF_INET6', 80, SocketSpecs.hostname, '::1', Socket::AF_INET6,
          Socket::SOCK_DGRAM, Socket::IPPROTO_UDP],
        ['AF_INET6', 80, SocketSpecs.hostname, '::1', Socket::AF_INET6,
          Socket::SOCK_STREAM, Socket::IPPROTO_TCP],
        ['AF_INET6', 80, SocketSpecs.hostname, 'fe80::1%lo0', Socket::AF_INET6,
          Socket::SOCK_DGRAM, Socket::IPPROTO_UDP],
        ['AF_INET6', 80, SocketSpecs.hostname, 'fe80::1%lo0', Socket::AF_INET6,
          Socket::SOCK_STREAM, Socket::IPPROTO_TCP],
      ]
    end

    expected.concat [
      ['AF_INET', 80, SocketSpecs.hostname, '127.0.0.1', Socket::AF_INET,
        Socket::SOCK_DGRAM, Socket::IPPROTO_UDP],
      ['AF_INET', 80, SocketSpecs.hostname, '127.0.0.1', Socket::AF_INET,
        Socket::SOCK_STREAM, Socket::IPPROTO_TCP],
    ]

    addrinfo = Socket.getaddrinfo SocketSpecs.hostname, 'http'
    addrinfo.each do |a|
      case a.last
      when Socket::IPPROTO_UDP, Socket::IPPROTO_TCP
        expected.should include(a)
      else
        # don't check this. It's some weird protocol we don't know about
        # so we can't spec it.
      end
    end
  end

   # #getaddrinfo will return a INADDR_ANY address (0.0.0.0
   # or "::") if it's a passive socket. In the case of non-passive
   # sockets (AI_PASSIVE not set) it should return the loopback
   # address (127.0.0.1 or "::1".

   it "accepts empty addresses for IPv4 passive sockets" do
     res = Socket::getaddrinfo(nil, "http",
                               Socket::AF_INET,
                               Socket::SOCK_STREAM,
                               Socket::IPPROTO_TCP,
                               Socket::AI_PASSIVE)

     expected = [["AF_INET", 80, "0.0.0.0", "0.0.0.0", Socket::AF_INET, Socket::SOCK_STREAM, Socket::IPPROTO_TCP],
                 ["AF_INET", 80, "", "0.0.0.0", Socket::AF_INET, Socket::SOCK_STREAM, Socket::IPPROTO_TCP]]
     res.each do |a|
       expected.should include(a)
     end
   end

   it "accepts empty addresses for IPv4 non-passive sockets" do
     res = Socket::getaddrinfo(nil, "http",
                               Socket::AF_INET,
                               Socket::SOCK_STREAM,
                               Socket::IPPROTO_TCP,
                               0)

     expected = [["AF_INET", 80, "127.0.0.1", "127.0.0.1", Socket::AF_INET, Socket::SOCK_STREAM, Socket::IPPROTO_TCP]]
     res.should == expected
   end


   it "accepts empty addresses for IPv6 passive sockets" do
     res = Socket::getaddrinfo(nil, "http",
                               Socket::AF_INET6,
                               Socket::SOCK_STREAM,
                               Socket::IPPROTO_TCP,
                               Socket::AI_PASSIVE)

     expected = [
       ["AF_INET6", 80, "::", "::", Socket::AF_INET6, Socket::SOCK_STREAM, Socket::IPPROTO_TCP],
       ["AF_INET6", 80, "0:0:0:0:0:0:0:0", "0:0:0:0:0:0:0:0", Socket::AF_INET6, Socket::SOCK_STREAM, Socket::IPPROTO_TCP]
     ]
     res.each { |a| expected.should include (a) }
   end

   it "accepts empty addresses for IPv6 non-passive sockets" do
     res = Socket::getaddrinfo(nil, "http",
                               Socket::AF_INET6,
                               Socket::SOCK_STREAM,
                               Socket::IPPROTO_TCP,
                               0)

     expected = [
       ["AF_INET6", 80, "::1", "::1", Socket::AF_INET6, Socket::SOCK_STREAM, Socket::IPPROTO_TCP],
       ["AF_INET6", 80, "0:0:0:0:0:0:0:1", "0:0:0:0:0:0:0:1", Socket::AF_INET6, Socket::SOCK_STREAM, Socket::IPPROTO_TCP]
     ]
     res.each { |a| expected.should include (a) }
   end
end