39   def _BuildSocket(self, family, addr):  argument
41     s.bind((addr, 0))
44   def CheckRecvfrom(self, family, addr):  argument
45     s = self._BuildSocket(family, addr)
46     addr = s.getsockname()
47     sockaddr = csocket.Sockaddr(addr)
48     s.sendto("foo", addr)
49     data, addr = csocket.Recvfrom(s, 4096, 0)
51     self.assertEqual(sockaddr, addr)
59   def CheckRecvmsg(self, family, addr):  argument
60     s = self._BuildSocket(family, addr)
65       pktinfo_addr = inet_pton(AF_INET, addr)
73       pktinfo_addr = inet_pton(AF_INET6, addr)
78     addr = s.getsockname()
79     sockaddr = csocket.Sockaddr(addr)
80     s.sendto("foo", addr)
81     data, addr, cmsg = csocket.Recvmsg(s, 4096, 1024, 0)
83     self.assertEqual(sockaddr, addr)