write testmain

src/IpVersionRouter.cpp

@@ -36,3 +36,13 @@ bool IpVersionRouter::handle(IN const Tins::PDU & pdu, IN IPacketHandler * /* ca
 	ipv4Card->sendPacket(pdu);
 	return true;
 }
+
+INetworkInterfaceCard & IpVersionRouter::getIpv4Card() const
+{
+    return *ipv4Card;
+}
+
+INetworkInterfaceCard & IpVersionRouter::getIpv6Card() const
+{
+    return *ipv6Card;
+}