chromeos/network/network_util_unittest.cc

   1 // Copyright (c) 2012 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 "chromeos/network/network_util.h"
   6
   7 #include "testing/gtest/include/gtest/gtest.h"
   8 #include "third_party/cros_system_api/dbus/service_constants.h"
   9
  10 using chromeos::CellularScanResult;
  11 using chromeos::network_util::NetmaskToPrefixLength;
  12 using chromeos::network_util::PrefixLengthToNetmask;
  13 using chromeos::network_util::ParseCellularScanResults;
  14
  15 typedef testing::Test NetworkUtilTest;
  16
  17 TEST_F(NetworkUtilTest, NetmaskToPrefixLength) {
  18   // Valid netmasks
  19   EXPECT_EQ(32, NetmaskToPrefixLength("255.255.255.255"));
  20   EXPECT_EQ(31, NetmaskToPrefixLength("255.255.255.254"));
  21   EXPECT_EQ(30, NetmaskToPrefixLength("255.255.255.252"));
  22   EXPECT_EQ(29, NetmaskToPrefixLength("255.255.255.248"));
  23   EXPECT_EQ(28, NetmaskToPrefixLength("255.255.255.240"));
  24   EXPECT_EQ(27, NetmaskToPrefixLength("255.255.255.224"));
  25   EXPECT_EQ(26, NetmaskToPrefixLength("255.255.255.192"));
  26   EXPECT_EQ(25, NetmaskToPrefixLength("255.255.255.128"));
  27   EXPECT_EQ(24, NetmaskToPrefixLength("255.255.255.0"));
  28   EXPECT_EQ(23, NetmaskToPrefixLength("255.255.254.0"));
  29   EXPECT_EQ(22, NetmaskToPrefixLength("255.255.252.0"));
  30   EXPECT_EQ(21, NetmaskToPrefixLength("255.255.248.0"));
  31   EXPECT_EQ(20, NetmaskToPrefixLength("255.255.240.0"));
  32   EXPECT_EQ(19, NetmaskToPrefixLength("255.255.224.0"));
  33   EXPECT_EQ(18, NetmaskToPrefixLength("255.255.192.0"));
  34   EXPECT_EQ(17, NetmaskToPrefixLength("255.255.128.0"));
  35   EXPECT_EQ(16, NetmaskToPrefixLength("255.255.0.0"));
  36   EXPECT_EQ(15, NetmaskToPrefixLength("255.254.0.0"));
  37   EXPECT_EQ(14, NetmaskToPrefixLength("255.252.0.0"));
  38   EXPECT_EQ(13, NetmaskToPrefixLength("255.248.0.0"));
  39   EXPECT_EQ(12, NetmaskToPrefixLength("255.240.0.0"));
  40   EXPECT_EQ(11, NetmaskToPrefixLength("255.224.0.0"));
  41   EXPECT_EQ(10, NetmaskToPrefixLength("255.192.0.0"));
  42   EXPECT_EQ(9, NetmaskToPrefixLength("255.128.0.0"));
  43   EXPECT_EQ(8, NetmaskToPrefixLength("255.0.0.0"));
  44   EXPECT_EQ(7, NetmaskToPrefixLength("254.0.0.0"));
  45   EXPECT_EQ(6, NetmaskToPrefixLength("252.0.0.0"));
  46   EXPECT_EQ(5, NetmaskToPrefixLength("248.0.0.0"));
  47   EXPECT_EQ(4, NetmaskToPrefixLength("240.0.0.0"));
  48   EXPECT_EQ(3, NetmaskToPrefixLength("224.0.0.0"));
  49   EXPECT_EQ(2, NetmaskToPrefixLength("192.0.0.0"));
  50   EXPECT_EQ(1, NetmaskToPrefixLength("128.0.0.0"));
  51   EXPECT_EQ(0, NetmaskToPrefixLength("0.0.0.0"));
  52   // Invalid netmasks
  53   EXPECT_EQ(-1, NetmaskToPrefixLength("255.255.255"));
  54   EXPECT_EQ(-1, NetmaskToPrefixLength("255.255.255.255.255"));
  55   EXPECT_EQ(-1, NetmaskToPrefixLength("255.255.255.255.0"));
  56   EXPECT_EQ(-1, NetmaskToPrefixLength("255.255.255.256"));
  57   EXPECT_EQ(-1, NetmaskToPrefixLength("255.255.255.1"));
  58   EXPECT_EQ(-1, NetmaskToPrefixLength("255.255.240.255"));
  59   EXPECT_EQ(-1, NetmaskToPrefixLength("255.0.0.255"));
  60   EXPECT_EQ(-1, NetmaskToPrefixLength("255.255.255.FF"));
  61   EXPECT_EQ(-1, NetmaskToPrefixLength("255,255,255,255"));
  62   EXPECT_EQ(-1, NetmaskToPrefixLength("255 255 255 255"));
  63 }
  64
  65 TEST_F(NetworkUtilTest, PrefixLengthToNetmask) {
  66   // Valid Prefix Lengths
  67   EXPECT_EQ("255.255.255.255", PrefixLengthToNetmask(32));
  68   EXPECT_EQ("255.255.255.254", PrefixLengthToNetmask(31));
  69   EXPECT_EQ("255.255.255.252", PrefixLengthToNetmask(30));
  70   EXPECT_EQ("255.255.255.248", PrefixLengthToNetmask(29));
  71   EXPECT_EQ("255.255.255.240", PrefixLengthToNetmask(28));
  72   EXPECT_EQ("255.255.255.224", PrefixLengthToNetmask(27));
  73   EXPECT_EQ("255.255.255.192", PrefixLengthToNetmask(26));
  74   EXPECT_EQ("255.255.255.128", PrefixLengthToNetmask(25));
  75   EXPECT_EQ("255.255.255.0", PrefixLengthToNetmask(24));
  76   EXPECT_EQ("255.255.254.0", PrefixLengthToNetmask(23));
  77   EXPECT_EQ("255.255.252.0", PrefixLengthToNetmask(22));
  78   EXPECT_EQ("255.255.248.0", PrefixLengthToNetmask(21));
  79   EXPECT_EQ("255.255.240.0", PrefixLengthToNetmask(20));
  80   EXPECT_EQ("255.255.224.0", PrefixLengthToNetmask(19));
  81   EXPECT_EQ("255.255.192.0", PrefixLengthToNetmask(18));
  82   EXPECT_EQ("255.255.128.0", PrefixLengthToNetmask(17));
  83   EXPECT_EQ("255.255.0.0", PrefixLengthToNetmask(16));
  84   EXPECT_EQ("255.254.0.0", PrefixLengthToNetmask(15));
  85   EXPECT_EQ("255.252.0.0", PrefixLengthToNetmask(14));
  86   EXPECT_EQ("255.248.0.0", PrefixLengthToNetmask(13));
  87   EXPECT_EQ("255.240.0.0", PrefixLengthToNetmask(12));
  88   EXPECT_EQ("255.224.0.0", PrefixLengthToNetmask(11));
  89   EXPECT_EQ("255.192.0.0", PrefixLengthToNetmask(10));
  90   EXPECT_EQ("255.128.0.0", PrefixLengthToNetmask(9));
  91   EXPECT_EQ("255.0.0.0", PrefixLengthToNetmask(8));
  92   EXPECT_EQ("254.0.0.0", PrefixLengthToNetmask(7));
  93   EXPECT_EQ("252.0.0.0", PrefixLengthToNetmask(6));
  94   EXPECT_EQ("248.0.0.0", PrefixLengthToNetmask(5));
  95   EXPECT_EQ("240.0.0.0", PrefixLengthToNetmask(4));
  96   EXPECT_EQ("224.0.0.0", PrefixLengthToNetmask(3));
  97   EXPECT_EQ("192.0.0.0", PrefixLengthToNetmask(2));
  98   EXPECT_EQ("128.0.0.0", PrefixLengthToNetmask(1));
  99   EXPECT_EQ("0.0.0.0", PrefixLengthToNetmask(0));
 100   // Invalid Prefix Lengths
 101   EXPECT_EQ("", PrefixLengthToNetmask(-1));
 102   EXPECT_EQ("", PrefixLengthToNetmask(33));
 103   EXPECT_EQ("", PrefixLengthToNetmask(255));
 104 }
 105
 106 TEST_F(NetworkUtilTest, ParseScanResults) {
 107   base::ListValue list;
 108   std::vector<CellularScanResult> scan_results;
 109
 110   // Empty list value.
 111   EXPECT_TRUE(ParseCellularScanResults(list, &scan_results));
 112
 113   // List contains invalid item.
 114   list.AppendInteger(0);
 115   EXPECT_FALSE(ParseCellularScanResults(list, &scan_results));
 116
 117   // Scan result has no network id.
 118   list.Clear();
 119   base::DictionaryValue* dict_value = new base::DictionaryValue();
 120   dict_value->SetString(shill::kStatusProperty, "available");
 121   list.Append(dict_value);
 122   EXPECT_TRUE(ParseCellularScanResults(list, &scan_results));
 123   EXPECT_TRUE(scan_results.empty());
 124
 125   // Mixed parse results.
 126   dict_value = new base::DictionaryValue();
 127   dict_value->SetString(shill::kNetworkIdProperty, "000001");
 128   dict_value->SetString(shill::kStatusProperty, "unknown");
 129   dict_value->SetString(shill::kTechnologyProperty, "GSM");
 130   list.Append(dict_value);
 131
 132   dict_value = new base::DictionaryValue();
 133   dict_value->SetString(shill::kNetworkIdProperty, "000002");
 134   dict_value->SetString(shill::kStatusProperty, "available");
 135   dict_value->SetString(shill::kLongNameProperty, "Long Name");
 136   list.Append(dict_value);
 137
 138   EXPECT_TRUE(ParseCellularScanResults(list, &scan_results));
 139   EXPECT_EQ(static_cast<size_t>(2), scan_results.size());
 140   EXPECT_EQ("000001", scan_results[0].network_id);
 141   EXPECT_EQ("unknown", scan_results[0].status);
 142   EXPECT_EQ("GSM", scan_results[0].technology);
 143   EXPECT_TRUE(scan_results[0].long_name.empty());
 144   EXPECT_TRUE(scan_results[0].short_name.empty());
 145
 146   EXPECT_EQ("000002", scan_results[1].network_id);
 147   EXPECT_EQ("available", scan_results[1].status);
 148   EXPECT_EQ("Long Name", scan_results[1].long_name);
 149   EXPECT_TRUE(scan_results[1].short_name.empty());
 150   EXPECT_TRUE(scan_results[1].technology.empty());
 151 }