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
10using chromeos::CellularScanResult;
11using chromeos::network_util::NetmaskToPrefixLength;
12using chromeos::network_util::PrefixLengthToNetmask;
13using chromeos::network_util::ParseCellularScanResults;
14
15typedef testing::Test NetworkUtilTest;
16
17TEST_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
65TEST_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
106TEST_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}
152