content/browser/geolocation/device_data_provider_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 "base/threading/platform_thread.h"
   6 #include "content/browser/geolocation/device_data_provider.h"
   7 #include "content/browser/geolocation/wifi_data_provider_common.h"
   8 #include "testing/gtest/include/gtest/gtest.h"
   9
  10 namespace content {
  11
  12 class NullWifiDataListenerInterface
  13     : public WifiDataProviderCommon::ListenerInterface {
  14  public:
  15   // ListenerInterface
  16   virtual void DeviceDataUpdateAvailable(
  17       DeviceDataProvider<WifiData>* provider) {}
  18 };
  19
  20 TEST(GeolocationDeviceDataProviderWifiData, CreateDestroy) {
  21   // See http://crbug.com/59913 .  The main_message_loop is not required to be
  22   // run for correct behaviour, but we run it in this test to help smoke out
  23   // any race conditions between processing in the main loop and the setup /
  24   // tear down of the DeviceDataProvider thread.
  25   MessageLoopForUI main_message_loop;
  26   NullWifiDataListenerInterface listener;
  27   for (int i = 0; i < 10; i++) {
  28     DeviceDataProvider<WifiData>::Register(&listener);
  29     for (int j = 0; j < 10; j++) {
  30       base::PlatformThread::Sleep(base::TimeDelta());
  31       main_message_loop.RunUntilIdle();  // See comment above
  32     }
  33     DeviceDataProvider<WifiData>::Unregister(&listener);
  34     for (int j = 0; j < 10; j++) {
  35       base::PlatformThread::Sleep(base::TimeDelta());
  36       main_message_loop.RunUntilIdle();  // See comment above
  37     }
  38   }
  39 }
  40
  41 }  // namespace content