modified some assertions in policy

src/policy.cpp

@@ -1289,7 +1289,7 @@ namespace libtorrent
 		// so in the destructor of new_connection this
 		// case will be used.
 		assert(connected_peers == num_torrent_peers
-			|| connected_peers - 1 == num_torrent_peers);
+			|| connected_peers == num_torrent_peers - 1);
 		
 		// TODO: Make sure the number of peers in m_torrent is equal
 		// to the number of connected peers in m_peers.

src/torrent.cpp

@@ -853,6 +853,9 @@ namespace libtorrent
 
 		m_policy->connection_closed(*p);
 		m_connections.erase(i);
+#ifndef NDEBUG
+		m_policy->check_invariant();
+#endif
 	}
 
 	peer_connection& torrent::connect_to_peer(const address& a)
@@ -868,12 +871,20 @@ namespace libtorrent
 		// add the newly connected peer to this torrent's peer list
 		assert(m_connections.find(p->second->get_socket()->sender())
 			== m_connections.end());
-		
+
+#ifndef NDEBUG
+		m_policy->check_invariant();
+#endif
+	
 		m_connections.insert(
 			std::make_pair(
 				p->second->get_socket()->sender()
 				, boost::get_pointer(p->second)));
 
+#ifndef NDEBUG
+		m_policy->check_invariant();
+#endif
+
 		m_ses.m_selector.monitor_readability(s);
 		m_ses.m_selector.monitor_errors(s);
 		return *c;
@@ -889,9 +900,13 @@ namespace libtorrent
 			= m_ses.m_connections.find(p->get_socket());
 		assert(i != m_ses.m_connections.end());
 
-		m_policy->new_connection(*i->second);
+#ifndef NDEBUG
+		m_policy->check_invariant();
+#endif
 
 		m_connections.insert(std::make_pair(p->get_socket()->sender(), p));
+
+		m_policy->new_connection(*i->second);
 	}
 
 	void torrent::disconnect_all()