Server test extension

libuavcan/include/uavcan/protocol/dynamic_node_id_server/distributed/raft_core.hpp

@@ -875,6 +875,12 @@ public:
         }
         return LazyConstructor<LogEntryInfo>();
     }
+
+    Log::Index getNumAllocations() const
+    {
+        // Remember that index zero contains a special-purpose entry that doesn't count as allocation
+        return persistent_state_.getLog().getLastIndex();
+    }
 };
 
 }

libuavcan/include/uavcan/protocol/dynamic_node_id_server/distributed/server.hpp

@@ -300,6 +300,8 @@ public:
 
         return 0;
     }
+
+    Log::Index getNumAllocations() const { return raft_core_.getNumAllocations(); }
 };
 
 }

libuavcan/test/protocol/dynamic_node_id_server/distributed/server.cpp

@@ -149,6 +149,8 @@ TEST(DynamicNodeIDServer, Main)
 
     ASSERT_LE(0, server.init(own_unique_id, 1));
 
+    ASSERT_EQ(0, server.getNumAllocations());
+
     /*
      * Client
      */
@@ -168,6 +170,8 @@ TEST(DynamicNodeIDServer, Main)
 
     ASSERT_TRUE(client.isAllocationComplete());
     ASSERT_EQ(PreferredNodeID, client.getAllocatedNodeID());
+
+    ASSERT_EQ(2, server.getNumAllocations());   // Server's own node ID + client
 }