diff --git a/src/common/packet-metadata-test.cc b/src/common/packet-metadata-test.cc
index e8716e551..d86de1788 100644
--- a/src/common/packet-metadata-test.cc
+++ b/src/common/packet-metadata-test.cc
@@ -291,7 +291,7 @@ PacketMetadataTest::CheckHistory (Ptr<Packet> p, const char *file, int line, uin
     if (!CheckHistory (p, __FILE__,             \
                       __LINE__, __VA_ARGS__))   \
       {                                         \
-        ok = false;                             \
+        result = false;                         \
       }                                         \
     Buffer buffer;                              \
     buffer = p->Serialize ();                   \
@@ -300,7 +300,7 @@ PacketMetadataTest::CheckHistory (Ptr<Packet> p, const char *file, int line, uin
     if (!CheckHistory (otherPacket, __FILE__,   \
                       __LINE__, __VA_ARGS__))   \
       {                                         \
-        ok = false;                             \
+        result = false;                         \
       }                                         \
   }
 
@@ -315,7 +315,7 @@ PacketMetadataTest::DoAddHeader (Ptr<Packet> p)
 bool
 PacketMetadataTest::RunTests (void)
 {
-  bool ok = true;
+  bool result = true;
 
   PacketMetadata::Enable ();
 
@@ -624,7 +624,29 @@ PacketMetadataTest::RunTests (void)
   REM_HEADER (p3, 8);
   p2->AddAtEnd (p3);
 
-  return ok;
+
+  p = Create<Packet> (1000);
+  ADD_HEADER (p, 10);
+  ADD_TRAILER (p, 5);
+  p1 = p->Copy ();
+  ADD_HEADER (p1, 20);
+  REM_HEADER (p1, 20);
+  REM_TRAILER (p1, 5);
+  NS_TEST_ASSERT_EQUAL (p->GetSize (), 1015);
+
+  
+  p = Create<Packet> (1510);
+  ADD_HEADER (p, 8);
+  ADD_HEADER (p, 25);
+  REM_HEADER (p, 25);
+  ADD_HEADER (p, 1);
+  p1 = p->CreateFragment (0, 1500);
+  p2 = p1->Copy ();
+  ADD_HEADER (p2, 24);
+  NS_TEST_ASSERT_EQUAL (p->GetSize (), 1518);
+
+
+  return result;
 }
 
 static PacketMetadataTest g_packetHistoryTest;