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      1 // Copyright (c) 2013 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_state.h"
      6 
      7 #include "base/basictypes.h"
      8 #include "base/memory/scoped_ptr.h"
      9 #include "base/strings/string_number_conversions.h"
     10 #include "base/values.h"
     11 #include "testing/gtest/include/gtest/gtest.h"
     12 #include "third_party/cros_system_api/dbus/service_constants.h"
     13 
     14 namespace chromeos {
     15 
     16 namespace {
     17 
     18 // StringValue that skips the DCHECK in the constructor for valid UTF8.
     19 class TestStringValue : public base::Value {
     20  public:
     21   explicit TestStringValue(const std::string& in_value)
     22       : base::Value(TYPE_STRING),
     23         value_(in_value) {
     24   }
     25 
     26   virtual ~TestStringValue() {
     27   }
     28 
     29   // Overridden from Value:
     30   virtual bool GetAsString(std::string* out_value) const OVERRIDE {
     31     if (out_value)
     32       *out_value = value_;
     33     return true;
     34   }
     35 
     36   virtual TestStringValue* DeepCopy() const OVERRIDE {
     37     return new TestStringValue(value_);
     38   }
     39 
     40   virtual bool Equals(const base::Value* other) const OVERRIDE {
     41     if (other->GetType() != GetType())
     42       return false;
     43     std::string lhs, rhs;
     44     return GetAsString(&lhs) && other->GetAsString(&rhs) && lhs == rhs;
     45   }
     46 
     47  private:
     48   std::string value_;
     49 };
     50 
     51 class NetworkStateTest : public testing::Test {
     52  public:
     53   NetworkStateTest() : network_state_("test_path") {
     54   }
     55 
     56  protected:
     57   bool SetStringProperty(const std::string& key, const std::string& value) {
     58     TestStringValue* string_value = new TestStringValue(value);
     59     bool res = network_state_.PropertyChanged(key, *string_value);
     60     properties_.SetWithoutPathExpansion(key, string_value);
     61     return res;
     62   }
     63 
     64   bool SignalInitialPropertiesReceived() {
     65     return network_state_.InitialPropertiesReceived(properties_);
     66   }
     67 
     68   NetworkState network_state_;
     69 
     70  private:
     71   base::DictionaryValue properties_;
     72 
     73   DISALLOW_COPY_AND_ASSIGN(NetworkStateTest);
     74 };
     75 
     76 }  // namespace
     77 
     78 // Setting kNameProperty should set network name after call to
     79 // InitialPropertiesReceived().
     80 TEST_F(NetworkStateTest, NameAscii) {
     81   EXPECT_TRUE(SetStringProperty(shill::kTypeProperty, shill::kTypeVPN));
     82 
     83   std::string network_setname = "Name TEST";
     84   EXPECT_TRUE(SetStringProperty(shill::kNameProperty, network_setname));
     85   EXPECT_FALSE(SignalInitialPropertiesReceived());
     86   EXPECT_EQ(network_state_.name(), network_setname);
     87 }
     88 
     89 TEST_F(NetworkStateTest, NameAsciiWithNull) {
     90   EXPECT_TRUE(SetStringProperty(shill::kTypeProperty, shill::kTypeVPN));
     91 
     92   std::string network_setname = "Name TEST\x00xxx";
     93   std::string network_setname_result = "Name TEST";
     94   EXPECT_TRUE(SetStringProperty(shill::kNameProperty, network_setname));
     95   EXPECT_FALSE(SignalInitialPropertiesReceived());
     96   EXPECT_EQ(network_state_.name(), network_setname_result);
     97 }
     98 
     99 // Truncates invalid UTF-8
    100 TEST_F(NetworkStateTest, NameTruncateInvalid) {
    101   EXPECT_TRUE(SetStringProperty(shill::kTypeProperty, shill::kTypeVPN));
    102 
    103   std::string network_setname = "SSID TEST \x01\xff!";
    104   std::string network_setname_result = "SSID TEST \xEF\xBF\xBD\xEF\xBF\xBD!";
    105   EXPECT_TRUE(SetStringProperty(shill::kNameProperty, network_setname));
    106   EXPECT_TRUE(SignalInitialPropertiesReceived());
    107   EXPECT_EQ(network_state_.name(), network_setname_result);
    108 }
    109 
    110 // If HexSSID doesn't exist, fallback to NameProperty.
    111 TEST_F(NetworkStateTest, SsidFromName) {
    112   EXPECT_TRUE(SetStringProperty(shill::kTypeProperty, shill::kTypeWifi));
    113 
    114   std::string wifi_utf8 = "UTF-8 \u3042\u3044\u3046";
    115   std::string wifi_utf8_result = "UTF-8 \xE3\x81\x82\xE3\x81\x84\xE3\x81\x86";
    116   EXPECT_TRUE(SetStringProperty(shill::kNameProperty, wifi_utf8));
    117   EXPECT_FALSE(SignalInitialPropertiesReceived());
    118   EXPECT_EQ(network_state_.name(), wifi_utf8_result);
    119 }
    120 
    121 // latin1 SSID -> UTF8 SSID (Hex)
    122 TEST_F(NetworkStateTest, SsidLatin) {
    123   EXPECT_TRUE(SetStringProperty(shill::kTypeProperty, shill::kTypeWifi));
    124 
    125   std::string wifi_latin1 = "latin-1 \xc0\xcb\xcc\xd6\xfb";
    126   std::string wifi_latin1_hex =
    127       base::HexEncode(wifi_latin1.c_str(), wifi_latin1.length());
    128   std::string wifi_latin1_result = "latin-1 \u00c0\u00cb\u00cc\u00d6\u00fb";
    129   EXPECT_FALSE(SetStringProperty(shill::kWifiHexSsid, wifi_latin1_hex));
    130   EXPECT_TRUE(SignalInitialPropertiesReceived());
    131   EXPECT_EQ(network_state_.name(), wifi_latin1_result);
    132 }
    133 
    134 // Hex SSID
    135 TEST_F(NetworkStateTest, SsidHex) {
    136   EXPECT_TRUE(SetStringProperty(shill::kTypeProperty, shill::kTypeWifi));
    137 
    138   std::string wifi_hex_result = "This is HEX SSID!";
    139   std::string wifi_hex =
    140       base::HexEncode(wifi_hex_result.c_str(), wifi_hex_result.length());
    141   EXPECT_FALSE(SetStringProperty(shill::kWifiHexSsid, wifi_hex));
    142   EXPECT_TRUE(SignalInitialPropertiesReceived());
    143   EXPECT_EQ(network_state_.name(), wifi_hex_result);
    144 }
    145 
    146 }  // namespace chromeos
    147