Function port

server/server_test.go:96–108

()

}

func port() int {
	addr, err := net.ResolveTCPAddr("tcp", "localhost:0")
	if err != nil {
		panic(err)
	}

	l, err := net.ListenTCP("tcp", addr)
	if err != nil {
		panic(err)
	}
	defer l.Close()
	return l.Addr().(*net.TCPAddr).Port
}