text: // Copyright 2013 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 "base/memory/ref_counted.h"
  #include "base/path_service.h"
  #include "base/strings/stringprintf.h"
  #include "chrome/browser/extensions/extension_apitest.h"
  #include "chrome/browser/extensions/extension_function_test_utils.h"
  #include "chrome/browser/extensions/extension_service.h"
  #include "chrome/browser/extensions/extension_test_message_listener.h"
  #include "chrome/browser/ui/browser.h"
  #include "chrome/browser/ui/extensions/application_launch.h"
  #include "chrome/test/base/in_process_browser_test.h"
  #include "chrome/test/base/ui_test_utils.h"
  #include "extensions/browser/api/system_network/system_network_api.h"
  
  using extensions::Extension;
  using extensions::core_api::SystemNetworkGetNetworkInterfacesFunction;
  using extensions::core_api::system_network::NetworkInterface;
  
  namespace utils = extension_function_test_utils;
  
  namespace {
  
  class SystemNetworkApiTest : public ExtensionApiTest {
  };
  
  }  // namespace
  
  IN_PROC_BROWSER_TEST_F(SystemNetworkApiTest, SystemNetworkExtension) {
    ASSERT_TRUE(RunExtensionTest("system/network")) << message_;
  }
  
  IN_PROC_BROWSER_TEST_F(SystemNetworkApiTest, GetNetworkInterfaces) {
    scoped_refptr<SystemNetworkGetNetworkInterfacesFunction> socket_function(
        new SystemNetworkGetNetworkInterfacesFunction());
    scoped_refptr<Extension> empty_extension(utils::CreateEmptyExtension());
  
    socket_function->set_extension(empty_extension.get());
    socket_function->set_has_callback(true);
  
    scoped_ptr<base::Value> result(utils::RunFunctionAndReturnSingleResult(
        socket_function.get(), "[]", browser(), utils::NONE));
    ASSERT_EQ(base::Value::TYPE_LIST, result->GetType());
  
    // All we can confirm is that we have at least one address, but not what it
    // is.
    base::ListValue *value = static_cast<base::ListValue*>(result.get());
    ASSERT_TRUE(value->GetSize() > 0);
  
    for (base::ListValue::const_iterator it = value->begin();
        it != value->end(); ++it) {
      base::Value* network_interface_value = *it;
  
      NetworkInterface network_interface;
      ASSERT_TRUE(NetworkInterface::Populate(*network_interface_value,
                                             &network_interface));
  
      LOG(INFO) << "Network interface: address=" << network_interface.address
                << ", name=" << network_interface.name
                << ", prefix length=" << network_interface.prefix_length;
      ASSERT_NE(std::string(), network_interface.address);
      ASSERT_NE(std::string(), network_interface.name);
      ASSERT_LE(0, network_interface.prefix_length);
    }
  }
  