commit 97a010178c0bd340babb3dfabcc6f8f6abbaef42
author Davide Pesavento <davide.pesavento@lip6.fr> Mon Jan 22 19:36:28 2018 -0500
committer Davide Pesavento <davide.pesavento@lip6.fr> Mon Jan 22 19:37:44 2018 -0500
tree 1d05e47e0938abe2623e51bddd0f70c647066607
parent 5cc706c8cbbd36fc818e0e132860f0d77218b43d

tests: prevent unsigned integer underflow in TestUdpFactory/Blacklist

Change-Id: If00bb69fc2ddaded91c199c6ba17d94e12b1ffea

tests/daemon/face/udp-factory.t.cpp

diff --git a/tests/daemon/face/udp-factory.t.cpp b/tests/daemon/face/udp-factory.t.cpp
index 01a24a0..4ef1451 100644
--- a/tests/daemon/face/udp-factory.t.cpp
+++ b/tests/daemon/face/udp-factory.t.cpp
@@ -456,9 +456,11 @@
   parseConfig(CONFIG, false);
 
   auto udpMcastFaces = this->listUdp4McastFaces();
-  BOOST_CHECK_GE(udpMcastFaces.size(), netifsV4.size() - 1);
+  if (!netifsV4.empty())
+    BOOST_CHECK_GE(udpMcastFaces.size(), netifsV4.size() - 1);
   auto udpMcastFacesV6 = this->listUdp6McastFaces();
-  BOOST_CHECK_GE(udpMcastFacesV6.size(), netifsV6.size() - 1);
+  if (!netifsV6.empty())
+    BOOST_CHECK_GE(udpMcastFacesV6.size(), netifsV6.size() - 1);
   udpMcastFaces.insert(udpMcastFaces.end(), udpMcastFacesV6.begin(), udpMcastFacesV6.end());
   BOOST_CHECK_LT(udpMcastFaces.size(), netifsV4.size() + netifsV6.size());
   BOOST_CHECK(std::none_of(udpMcastFaces.begin(), udpMcastFaces.end(),