require 'test/unit' require 'socket' class TestSocketOption < Test::Unit::TestCase def test_new data = [1].pack("i") sockopt = Socket::Option.new(:INET, :SOCKET, :KEEPALIVE, data) assert_equal(Socket::AF_INET, sockopt.family) assert_equal(Socket::SOL_SOCKET, sockopt.level) assert_equal(Socket::SO_KEEPALIVE, sockopt.optname) assert_equal(Socket::SO_KEEPALIVE, sockopt.optname) assert_equal(data, sockopt.data) end def test_bool opt = Socket::Option.bool(:INET, :SOCKET, :KEEPALIVE, true) assert_equal(1, opt.int) opt = Socket::Option.bool(:INET, :SOCKET, :KEEPALIVE, false) assert_equal(0, opt.int) opt = Socket::Option.int(:INET, :SOCKET, :KEEPALIVE, 0) assert_equal(false, opt.bool) opt = Socket::Option.int(:INET, :SOCKET, :KEEPALIVE, 1) assert_equal(true, opt.bool) opt = Socket::Option.int(:INET, :SOCKET, :KEEPALIVE, 2) assert_equal(true, opt.bool) end def test_ipv4_multicast_loop sockopt = Socket::Option.ipv4_multicast_loop(128) assert_equal('#', sockopt.inspect) assert_equal(Socket::AF_INET, sockopt.family) assert_equal(Socket::IPPROTO_IP, sockopt.level) assert_equal(Socket::IP_MULTICAST_LOOP, sockopt.optname) assert_equal(128, sockopt.ipv4_multicast_loop) end def test_ipv4_multicast_loop_size expected_size = Socket.open(:INET, :DGRAM) {|s| s.getsockopt(:IP, :MULTICAST_LOOP).to_s.bytesize } assert_equal(expected_size, Socket::Option.ipv4_multicast_loop(0).to_s.bytesize) end def test_ipv4_multicast_ttl sockopt = Socket::Option.ipv4_multicast_ttl(128) assert_equal('#', sockopt.inspect) assert_equal(Socket::AF_INET, sockopt.family) assert_equal(Socket::IPPROTO_IP, sockopt.level) assert_equal(Socket::IP_MULTICAST_TTL, sockopt.optname) assert_equal(128, sockopt.ipv4_multicast_ttl) end def test_ipv4_multicast_ttl_size expected_size = Socket.open(:INET, :DGRAM) {|s| s.getsockopt(:IP, :MULTICAST_TTL).to_s.bytesize } assert_equal(expected_size, Socket::Option.ipv4_multicast_ttl(0).to_s.bytesize) end def test_unpack sockopt = Socket::Option.new(:INET, :SOCKET, :KEEPALIVE, [1].pack("i")) assert_equal([1], sockopt.unpack("i")) assert_equal([1], sockopt.data.unpack("i")) end end