Adding unit test for characteristic notification.

device/bluetooth/bluetooth_remote_gatt_service_unittest.cc

 // Copyright 2015 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 "device/bluetooth/bluetooth_gatt_service.h"
 
 #include "build/build_config.h"
 #include "device/bluetooth/bluetooth_remote_gatt_characteristic.h"
 #include "device/bluetooth/test/test_bluetooth_adapter_observer.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 150 matching lines @@
   // GetCharacteristics & GetCharacteristic return the same object for the same
   // ID:
   EXPECT_EQ(service->GetCharacteristics()[0],
             service->GetCharacteristic(char_id1));
   EXPECT_EQ(service->GetCharacteristic(char_id1),
             service->GetCharacteristic(char_id1));
 }
 #endif  // defined(OS_ANDROID) || defined(OS_MACOSX) || defined(OS_WIN)
 
 #if defined(OS_MACOSX) || defined(OS_WIN)
-TEST_F(BluetoothRemoteGattServiceTest,
-       GetCharacteristic_CharacteristicRemoved) {
+TEST_F(BluetoothRemoteGattServiceTest, GattCharacteristics_ObserversCalls) {
   if (!PlatformSupportsLowEnergy()) {
     LOG(WARNING) << "Low Energy Bluetooth unavailable, skipping unit test.";
     return;
   }
   InitWithFakeAdapter();
   StartLowEnergyDiscoverySession();
   BluetoothDevice* device = SimulateLowEnergyDevice(3);
   device->CreateGattConnection(GetGattConnectionCallback(Call::EXPECTED),
                                GetConnectErrorCallback(Call::NOT_EXPECTED));
   SimulateGattConnection(device);
 
   TestBluetoothAdapterObserver observer(adapter_);
 
   // Simulate a service, with several Characteristics:
   std::vector<std::string> services;
   services.push_back("00000000-0000-1000-8000-00805f9b34fb");
   SimulateGattServicesDiscovered(device, services);
   BluetoothRemoteGattService* service = device->GetGattServices()[0];
   std::string characteristic_uuid1 = "11111111-0000-1000-8000-00805f9b34fb";
   std::string characteristic_uuid2 = "22222222-0000-1000-8000-00805f9b34fb";
   std::string characteristic_uuid3 = characteristic_uuid2;  // Duplicate UUID.
   std::string characteristic_uuid4 = "33333333-0000-1000-8000-00805f9b34fb";
   SimulateGattCharacteristic(service, characteristic_uuid1, /* properties */ 0);
   SimulateGattCharacteristic(service, characteristic_uuid2, /* properties */ 0);
   SimulateGattCharacteristic(service, characteristic_uuid3, /* properties */ 0);
   SimulateGattCharacteristic(service, characteristic_uuid4, /* properties */ 0);
+#if !defined(OS_WIN)
+  // TODO(620895) GattCharacteristicAdded has to be implemented for Windows.
+  EXPECT_EQ(4, observer.gatt_characteristic_added_count());
+#endif  // !defined(OS_WIN)
 
   // Simulate remove of characteristics one by one.
   EXPECT_EQ(4u, service->GetCharacteristics().size());
   std::string removed_char = service->GetCharacteristics()[0]->GetIdentifier();
   SimulateGattCharacteristicRemoved(service,
                                     service->GetCharacteristic(removed_char));
   EXPECT_EQ(1, observer.gatt_characteristic_removed_count());
   EXPECT_FALSE(service->GetCharacteristic(removed_char));
   EXPECT_EQ(3u, service->GetCharacteristics().size());
   removed_char = service->GetCharacteristics()[0]->GetIdentifier();
@@ skipping 54 matching lines @@
   std::string removed_service = service1->GetIdentifier();
   SimulateGattServiceRemoved(device->GetGattService(removed_service));
   EXPECT_EQ(1, observer.gatt_service_removed_count());
   EXPECT_EQ(1u, device->GetGattServices().size());
   EXPECT_FALSE(device->GetGattService(removed_service));
   EXPECT_EQ(device->GetGattServices()[0], service2);
 }
 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
 
 }  // namespace device