begin require "socket" require "test/unit" rescue LoadError end class TestSocket_UDPSocket < Test::Unit::TestCase def test_open assert_nothing_raised { UDPSocket.open {} } assert_nothing_raised { UDPSocket.open(Socket::AF_INET) {} } assert_nothing_raised { UDPSocket.open("AF_INET") {} } assert_nothing_raised { UDPSocket.open(:AF_INET) {} } end def test_connect s = UDPSocket.new host = Object.new class << host; self end.send(:define_method, :to_str) { s.close "127.0.0.1" } assert_raise(IOError, "[ruby-dev:25045]") { s.connect(host, 1) } end def test_bind s = UDPSocket.new host = Object.new class << host; self end.send(:define_method, :to_str) { s.close "127.0.0.1" } assert_raise(IOError, "[ruby-dev:25057]") { s.bind(host, 2000) } ensure s.close if s && !s.closed? end def test_bind_addrinuse host = "127.0.0.1" in_use = UDPSocket.new in_use.bind(host, 0) port = in_use.addr[1] s = UDPSocket.new e = assert_raise(Errno::EADDRINUSE) do s.bind(host, port) end assert_match "bind(2) for \"#{host}\" port #{port}", e.message ensure in_use.close if in_use s.close if s end def test_send_too_long u = UDPSocket.new e = assert_raise(Errno::EMSGSIZE) do u.send "\0" * 100_000, 0, "127.0.0.1", 7 # echo end assert_match 'for "127.0.0.1" port 7', e.message ensure u.close if u end end if defined?(UDPSocket)