Move the concept of multiple route into Network

webrtc/base/network_unittest.cc

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 159 matching lines @@
 #if defined(WEBRTC_WIN)
       closesocket(fd);
 #else
       close(fd);
 #endif
     }
     delete (*it);
   }
 }
 
-// Test that UpdateNetworks succeeds.
+// Test StartUpdating() and StopUpdating(). network_permission_state starts with
+// UNKNOWN and changes to ALLOWED until no outstanding StartUpdating.
 TEST_F(NetworkTest, TestUpdateNetworks) {
   BasicNetworkManager manager;
   manager.SignalNetworksChanged.connect(
       static_cast<NetworkTest*>(this), &NetworkTest::OnNetworksChanged);
+  EXPECT_EQ(manager.network_permission_state(), NetworkManager::STATE_UNKNOWN);
   manager.StartUpdating();
   Thread::Current()->ProcessMessages(0);
   EXPECT_TRUE(callback_called_);
+  EXPECT_EQ(manager.network_permission_state(), NetworkManager::STATE_ALLOWED);
   callback_called_ = false;
   // Callback should be triggered immediately when StartUpdating
   // is called, after network update signal is already sent.
   manager.StartUpdating();
   EXPECT_TRUE(manager.started());
   Thread::Current()->ProcessMessages(0);
   EXPECT_TRUE(callback_called_);
   manager.StopUpdating();
+  EXPECT_EQ(manager.network_permission_state(), NetworkManager::STATE_ALLOWED);
   EXPECT_TRUE(manager.started());
   manager.StopUpdating();
+  EXPECT_EQ(manager.network_permission_state(), NetworkManager::STATE_UNKNOWN);
   EXPECT_FALSE(manager.started());
   manager.StopUpdating();
+  EXPECT_EQ(manager.network_permission_state(), NetworkManager::STATE_UNKNOWN);
   EXPECT_FALSE(manager.started());
   callback_called_ = false;
   // Callback should be triggered immediately after StartUpdating is called
   // when start_count_ is reset to 0.
   manager.StartUpdating();
   Thread::Current()->ProcessMessages(0);
+  EXPECT_EQ(manager.network_permission_state(), NetworkManager::STATE_ALLOWED);
   EXPECT_TRUE(callback_called_);
 }
 
 // Verify that MergeNetworkList() merges network lists properly.
 TEST_F(NetworkTest, TestBasicMergeNetworkList) {
   Network ipv4_network1("test_eth0", "Test Network Adapter 1",
                         IPAddress(0x12345600U), 24);
   Network ipv4_network2("test_eth1", "Test Network Adapter 2",
                         IPAddress(0x00010000U), 16);
   ipv4_network1.AddIP(IPAddress(0x12345678));
@@ skipping 557 matching lines @@
   EXPECT_EQ(ipv6_network.GetBestIP(), static_cast<IPAddress>(ip));
 
   // Add global dynamic temporary one.
   ipstr = "2401:fa00:4:1000:be30:5bff:fee5:c6";
   ASSERT_TRUE(IPFromString(ipstr, IPV6_ADDRESS_FLAG_TEMPORARY, &ip));
   ipv6_network.AddIP(ip);
   EXPECT_EQ(ipv6_network.GetBestIP(), static_cast<IPAddress>(ip));
 }
 
 }  // namespace rtc