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network_util_unittest.cc
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network_util_unittest.cc
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// Copyright (c) 2012 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 "chromeos/network/network_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
using chromeos::CellularScanResult;
using chromeos::network_util::NetmaskToPrefixLength;
using chromeos::network_util::PrefixLengthToNetmask;
using chromeos::network_util::ParseCellularScanResults;
typedef testing::Test NetworkUtilTest;
TEST_F(NetworkUtilTest, NetmaskToPrefixLength) {
// Valid netmasks
EXPECT_EQ(32, NetmaskToPrefixLength("255.255.255.255"));
EXPECT_EQ(31, NetmaskToPrefixLength("255.255.255.254"));
EXPECT_EQ(30, NetmaskToPrefixLength("255.255.255.252"));
EXPECT_EQ(29, NetmaskToPrefixLength("255.255.255.248"));
EXPECT_EQ(28, NetmaskToPrefixLength("255.255.255.240"));
EXPECT_EQ(27, NetmaskToPrefixLength("255.255.255.224"));
EXPECT_EQ(26, NetmaskToPrefixLength("255.255.255.192"));
EXPECT_EQ(25, NetmaskToPrefixLength("255.255.255.128"));
EXPECT_EQ(24, NetmaskToPrefixLength("255.255.255.0"));
EXPECT_EQ(23, NetmaskToPrefixLength("255.255.254.0"));
EXPECT_EQ(22, NetmaskToPrefixLength("255.255.252.0"));
EXPECT_EQ(21, NetmaskToPrefixLength("255.255.248.0"));
EXPECT_EQ(20, NetmaskToPrefixLength("255.255.240.0"));
EXPECT_EQ(19, NetmaskToPrefixLength("255.255.224.0"));
EXPECT_EQ(18, NetmaskToPrefixLength("255.255.192.0"));
EXPECT_EQ(17, NetmaskToPrefixLength("255.255.128.0"));
EXPECT_EQ(16, NetmaskToPrefixLength("255.255.0.0"));
EXPECT_EQ(15, NetmaskToPrefixLength("255.254.0.0"));
EXPECT_EQ(14, NetmaskToPrefixLength("255.252.0.0"));
EXPECT_EQ(13, NetmaskToPrefixLength("255.248.0.0"));
EXPECT_EQ(12, NetmaskToPrefixLength("255.240.0.0"));
EXPECT_EQ(11, NetmaskToPrefixLength("255.224.0.0"));
EXPECT_EQ(10, NetmaskToPrefixLength("255.192.0.0"));
EXPECT_EQ(9, NetmaskToPrefixLength("255.128.0.0"));
EXPECT_EQ(8, NetmaskToPrefixLength("255.0.0.0"));
EXPECT_EQ(7, NetmaskToPrefixLength("254.0.0.0"));
EXPECT_EQ(6, NetmaskToPrefixLength("252.0.0.0"));
EXPECT_EQ(5, NetmaskToPrefixLength("248.0.0.0"));
EXPECT_EQ(4, NetmaskToPrefixLength("240.0.0.0"));
EXPECT_EQ(3, NetmaskToPrefixLength("224.0.0.0"));
EXPECT_EQ(2, NetmaskToPrefixLength("192.0.0.0"));
EXPECT_EQ(1, NetmaskToPrefixLength("128.0.0.0"));
EXPECT_EQ(0, NetmaskToPrefixLength("0.0.0.0"));
// Invalid netmasks
EXPECT_EQ(-1, NetmaskToPrefixLength("255.255.255"));
EXPECT_EQ(-1, NetmaskToPrefixLength("255.255.255.255.255"));
EXPECT_EQ(-1, NetmaskToPrefixLength("255.255.255.255.0"));
EXPECT_EQ(-1, NetmaskToPrefixLength("255.255.255.256"));
EXPECT_EQ(-1, NetmaskToPrefixLength("255.255.255.1"));
EXPECT_EQ(-1, NetmaskToPrefixLength("255.255.240.255"));
EXPECT_EQ(-1, NetmaskToPrefixLength("255.0.0.255"));
EXPECT_EQ(-1, NetmaskToPrefixLength("255.255.255.FF"));
EXPECT_EQ(-1, NetmaskToPrefixLength("255,255,255,255"));
EXPECT_EQ(-1, NetmaskToPrefixLength("255 255 255 255"));
}
TEST_F(NetworkUtilTest, PrefixLengthToNetmask) {
// Valid Prefix Lengths
EXPECT_EQ("255.255.255.255", PrefixLengthToNetmask(32));
EXPECT_EQ("255.255.255.254", PrefixLengthToNetmask(31));
EXPECT_EQ("255.255.255.252", PrefixLengthToNetmask(30));
EXPECT_EQ("255.255.255.248", PrefixLengthToNetmask(29));
EXPECT_EQ("255.255.255.240", PrefixLengthToNetmask(28));
EXPECT_EQ("255.255.255.224", PrefixLengthToNetmask(27));
EXPECT_EQ("255.255.255.192", PrefixLengthToNetmask(26));
EXPECT_EQ("255.255.255.128", PrefixLengthToNetmask(25));
EXPECT_EQ("255.255.255.0", PrefixLengthToNetmask(24));
EXPECT_EQ("255.255.254.0", PrefixLengthToNetmask(23));
EXPECT_EQ("255.255.252.0", PrefixLengthToNetmask(22));
EXPECT_EQ("255.255.248.0", PrefixLengthToNetmask(21));
EXPECT_EQ("255.255.240.0", PrefixLengthToNetmask(20));
EXPECT_EQ("255.255.224.0", PrefixLengthToNetmask(19));
EXPECT_EQ("255.255.192.0", PrefixLengthToNetmask(18));
EXPECT_EQ("255.255.128.0", PrefixLengthToNetmask(17));
EXPECT_EQ("255.255.0.0", PrefixLengthToNetmask(16));
EXPECT_EQ("255.254.0.0", PrefixLengthToNetmask(15));
EXPECT_EQ("255.252.0.0", PrefixLengthToNetmask(14));
EXPECT_EQ("255.248.0.0", PrefixLengthToNetmask(13));
EXPECT_EQ("255.240.0.0", PrefixLengthToNetmask(12));
EXPECT_EQ("255.224.0.0", PrefixLengthToNetmask(11));
EXPECT_EQ("255.192.0.0", PrefixLengthToNetmask(10));
EXPECT_EQ("255.128.0.0", PrefixLengthToNetmask(9));
EXPECT_EQ("255.0.0.0", PrefixLengthToNetmask(8));
EXPECT_EQ("254.0.0.0", PrefixLengthToNetmask(7));
EXPECT_EQ("252.0.0.0", PrefixLengthToNetmask(6));
EXPECT_EQ("248.0.0.0", PrefixLengthToNetmask(5));
EXPECT_EQ("240.0.0.0", PrefixLengthToNetmask(4));
EXPECT_EQ("224.0.0.0", PrefixLengthToNetmask(3));
EXPECT_EQ("192.0.0.0", PrefixLengthToNetmask(2));
EXPECT_EQ("128.0.0.0", PrefixLengthToNetmask(1));
EXPECT_EQ("0.0.0.0", PrefixLengthToNetmask(0));
// Invalid Prefix Lengths
EXPECT_EQ("", PrefixLengthToNetmask(-1));
EXPECT_EQ("", PrefixLengthToNetmask(33));
EXPECT_EQ("", PrefixLengthToNetmask(255));
}
TEST_F(NetworkUtilTest, ParseScanResults) {
ListValue list;
std::vector<CellularScanResult> scan_results;
// Empty list value.
EXPECT_TRUE(ParseCellularScanResults(list, &scan_results));
// List contains invalid item.
list.AppendInteger(0);
EXPECT_FALSE(ParseCellularScanResults(list, &scan_results));
// Scan result has no network id.
list.Clear();
DictionaryValue* dict_value = new DictionaryValue();
dict_value->SetString(flimflam::kStatusProperty, "available");
list.Append(dict_value);
EXPECT_TRUE(ParseCellularScanResults(list, &scan_results));
EXPECT_TRUE(scan_results.empty());
// Mixed parse results.
dict_value = new DictionaryValue();
dict_value->SetString(flimflam::kNetworkIdProperty, "000001");
dict_value->SetString(flimflam::kStatusProperty, "unknown");
dict_value->SetString(flimflam::kTechnologyProperty, "GSM");
list.Append(dict_value);
dict_value = new DictionaryValue();
dict_value->SetString(flimflam::kNetworkIdProperty, "000002");
dict_value->SetString(flimflam::kStatusProperty, "available");
dict_value->SetString(flimflam::kLongNameProperty, "Long Name");
list.Append(dict_value);
EXPECT_TRUE(ParseCellularScanResults(list, &scan_results));
EXPECT_EQ(static_cast<size_t>(2), scan_results.size());
EXPECT_EQ("000001", scan_results[0].network_id);
EXPECT_EQ("unknown", scan_results[0].status);
EXPECT_EQ("GSM", scan_results[0].technology);
EXPECT_TRUE(scan_results[0].long_name.empty());
EXPECT_TRUE(scan_results[0].short_name.empty());
EXPECT_EQ("000002", scan_results[1].network_id);
EXPECT_EQ("available", scan_results[1].status);
EXPECT_EQ("Long Name", scan_results[1].long_name);
EXPECT_TRUE(scan_results[1].short_name.empty());
EXPECT_TRUE(scan_results[1].technology.empty());
}