MergeNetworkList can't group address under the same interface

content/renderer/p2p/ipc_network_manager_unittest.cc

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/memory/scoped_ptr.h"
+#include "content/renderer/p2p/ipc_network_manager.h"
+#include "content/renderer/p2p/network_list_manager.h"
+#include "net/base/net_util.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace content {
+
+namespace {
+
+class MockP2PSocketDispatcher : public NetworkListManager {
+ public:
+  virtual void AddNetworkListObserver(
+      NetworkListObserver* network_list_observer) OVERRIDE {}
+
+  virtual void RemoveNetworkListObserver(
+      NetworkListObserver* network_list_observer) OVERRIDE {}
+
+  virtual ~MockP2PSocketDispatcher() {}
+};
+
+}  // namespace
+
+// 2 IPv6 addresses with only last digit different.
+static const char kIPv6PublicAddrString1[] =
+    "2401:fa00:4:1000:be30:5bff:fee5:c3";
+static const char kIPv6PublicAddrString2[] =
+    "2401:fa00:4:1000:be30:5bff:fee5:c4";
+
+class IpcNetworkManagerTest : public testing::Test {
+ public:
+  IpcNetworkManagerTest()
+      : network_list_manager_(new MockP2PSocketDispatcher()),
+        network_manager_(new IpcNetworkManager(network_list_manager_.get())) {}
+
+ protected:
+  scoped_ptr<MockP2PSocketDispatcher> network_list_manager_;
+  scoped_ptr<IpcNetworkManager> network_manager_;
+};
+
+// Test overall logic of IpcNetworkManager on OnNetworkListChanged
+// that it should group addresses with the same network key under
+// single Network class. This also tests the logic inside
+// IpcNetworkManager in addition to MergeNetworkList.
+// TODO(guoweis): disable this test case for now until fix for webrtc
+// issue 19249005 integrated into chromium
+TEST_F(IpcNetworkManagerTest, DISABLED_TestMergeNetworkList) {
+  net::NetworkInterfaceList list;
+  net::IPAddressNumber ip_number;
+  std::vector<rtc::Network*> networks;
+  rtc::IPAddress ip_address;
+
+  // Add 2 networks with the same prefix and prefix length.
+  EXPECT_TRUE(net::ParseIPLiteralToNumber(kIPv6PublicAddrString1, &ip_number));
+  list.push_back(
+      net::NetworkInterface("em1",
+                            "em1",
+                            0,
+                            net::NetworkChangeNotifier::CONNECTION_UNKNOWN,
+                            ip_number,
+                            64));
+
+  EXPECT_TRUE(net::ParseIPLiteralToNumber(kIPv6PublicAddrString2, &ip_number));
+  list.push_back(
+      net::NetworkInterface("em1",
+                            "em1",
+                            0,
+                            net::NetworkChangeNotifier::CONNECTION_UNKNOWN,
+                            ip_number,
+                            64));
+
+  network_manager_->OnNetworkListChanged(list);
+  network_manager_->GetNetworks(&networks);
+  EXPECT_EQ(1uL, networks.size());
+  EXPECT_EQ(2uL, networks[0]->GetIPs().size());
+
+  // Add another network with different prefix length, should result in
+  // a different network.
+  networks.clear();
+  list.push_back(
+      net::NetworkInterface("em1",
+                            "em1",
+                            0,
+                            net::NetworkChangeNotifier::CONNECTION_UNKNOWN,
+                            ip_number,
+                            48));
+
+  network_manager_->OnNetworkListChanged(list);
+
+  network_manager_->GetNetworks(&networks);
+
+  // Verify we have 2 networks now.
+  EXPECT_EQ(2uL, networks.size());
+  // Verify the network with prefix length of 64 has 2 IP addresses.
+  EXPECT_EQ(64, networks[1]->prefix_length());
+  EXPECT_EQ(2uL, networks[1]->GetIPs().size());
+  EXPECT_TRUE(rtc::IPFromString(kIPv6PublicAddrString1, &ip_address));
+  EXPECT_EQ(networks[1]->GetIPs()[0], ip_address);
+  EXPECT_TRUE(rtc::IPFromString(kIPv6PublicAddrString2, &ip_address));
+  EXPECT_EQ(networks[1]->GetIPs()[1], ip_address);
+  // Verify the network with prefix length of 48 has 2 IP addresses.
+  EXPECT_EQ(48, networks[0]->prefix_length());
+  EXPECT_EQ(1uL, networks[0]->GetIPs().size());
+  EXPECT_TRUE(rtc::IPFromString(kIPv6PublicAddrString2, &ip_address));
+  EXPECT_EQ(networks[0]->GetIPs()[0], ip_address);
+}
+
+}  // namespace content