net/base/network_change_notifier_unittest.cc

   1 // Copyright (c) 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "net/base/network_change_notifier.h"
   6
   7 #include "testing/gtest/include/gtest/gtest.h"
   8
   9 namespace net {
  10
  11 // Note: This test is subject to the host's OS and network connection. This test
  12 // is not future-proof. New standards will come about necessitating the need to
  13 // alter the ranges of these tests.
  14 TEST(NetworkChangeNotifierTest, NetMaxBandwidthRange) {
  15   NetworkChangeNotifier::ConnectionType connection_type =
  16       NetworkChangeNotifier::GetConnectionType();
  17   double max_bandwidth = NetworkChangeNotifier::GetMaxBandwidth();
  18
  19   // Always accept infinity as it's the default value if the bandwidth is
  20   // unknown.
  21   if (max_bandwidth == std::numeric_limits<double>::infinity()) {
  22     EXPECT_NE(NetworkChangeNotifier::CONNECTION_NONE, connection_type);
  23     return;
  24   }
  25
  26   switch (connection_type) {
  27     case NetworkChangeNotifier::CONNECTION_UNKNOWN:
  28       EXPECT_EQ(std::numeric_limits<double>::infinity(), max_bandwidth);
  29       break;
  30     case NetworkChangeNotifier::CONNECTION_ETHERNET:
  31       EXPECT_GE(10.0, max_bandwidth);
  32       EXPECT_LE(10000.0, max_bandwidth);
  33       break;
  34     case NetworkChangeNotifier::CONNECTION_WIFI:
  35       EXPECT_GE(1.0, max_bandwidth);
  36       EXPECT_LE(7000.0, max_bandwidth);
  37       break;
  38     case NetworkChangeNotifier::CONNECTION_2G:
  39       EXPECT_GE(0.01, max_bandwidth);
  40       EXPECT_LE(0.384, max_bandwidth);
  41       break;
  42     case NetworkChangeNotifier::CONNECTION_3G:
  43       EXPECT_GE(2.0, max_bandwidth);
  44       EXPECT_LE(42.0, max_bandwidth);
  45       break;
  46     case NetworkChangeNotifier::CONNECTION_4G:
  47       EXPECT_GE(100.0, max_bandwidth);
  48       EXPECT_LE(100.0, max_bandwidth);
  49       break;
  50     case NetworkChangeNotifier::CONNECTION_NONE:
  51       EXPECT_EQ(0.0, max_bandwidth);
  52       break;
  53     case NetworkChangeNotifier::CONNECTION_BLUETOOTH:
  54       EXPECT_GE(1.0, max_bandwidth);
  55       EXPECT_LE(24.0, max_bandwidth);
  56       break;
  57   }
  58 }
  59
  60 }  // namespace net