bluetooth: mac: Initial BluetoothRemoteGattCharacteristicMac implementation

device/bluetooth/bluetooth_remote_gatt_service_unittest.cc

Index: device/bluetooth/bluetooth_remote_gatt_service_unittest.cc
diff --git a/device/bluetooth/bluetooth_remote_gatt_service_unittest.cc b/device/bluetooth/bluetooth_remote_gatt_service_unittest.cc
index 4e8c00c6c41e4758aa1fb98dfcc8d4d91b56a9aa..0454f608aec8ebc9593504ac85a3cfdf45ea789e 100644
--- a/device/bluetooth/bluetooth_remote_gatt_service_unittest.cc
+++ b/device/bluetooth/bluetooth_remote_gatt_service_unittest.cc
@@ -23,7 +23,7 @@ namespace device {
 class BluetoothRemoteGattServiceTest : public BluetoothTest {};
 #endif
 
-#if defined(OS_ANDROID) || defined(OS_WIN) || defined(OS_MACOSX)
+#if defined(OS_ANDROID) || defined(OS_MACOSX) || defined(OS_WIN)
 TEST_F(BluetoothRemoteGattServiceTest, GetIdentifier) {
   if (!PlatformSupportsLowEnergy()) {
     LOG(WARNING) << "Low Energy Bluetooth unavailable, skipping unit test.";
@@ -63,9 +63,9 @@ TEST_F(BluetoothRemoteGattServiceTest, GetIdentifier) {
 
   EXPECT_NE(service3->GetIdentifier(), service4->GetIdentifier());
 }
-#endif  // defined(OS_ANDROID) || defined(OS_WIN) || defined(OS_MACOSX)
+#endif  // defined(OS_ANDROID) || defined(OS_MACOSX) || defined(OS_WIN)
 
-#if defined(OS_ANDROID) || defined(OS_WIN) || defined(OS_MACOSX)
+#if defined(OS_ANDROID) || defined(OS_MACOSX) || defined(OS_WIN)
 TEST_F(BluetoothRemoteGattServiceTest, GetUUID) {
   if (!PlatformSupportsLowEnergy()) {
     LOG(WARNING) << "Low Energy Bluetooth unavailable, skipping unit test.";
@@ -89,9 +89,9 @@ TEST_F(BluetoothRemoteGattServiceTest, GetUUID) {
   EXPECT_EQ(uuid, device->GetGattServices()[0]->GetUUID());
   EXPECT_EQ(uuid, device->GetGattServices()[1]->GetUUID());
 }
-#endif  // defined(OS_ANDROID) || defined(OS_WIN) || defined(OS_MACOSX)
+#endif  // defined(OS_ANDROID) || defined(OS_MACOSX) || defined(OS_WIN)
 
-#if defined(OS_ANDROID) || defined(OS_WIN)
+#if defined(OS_ANDROID) || defined(OS_MACOSX) || defined(OS_WIN)
 TEST_F(BluetoothRemoteGattServiceTest, GetCharacteristics_FindNone) {
   if (!PlatformSupportsLowEnergy()) {
     LOG(WARNING) << "Low Energy Bluetooth unavailable, skipping unit test.";
@@ -112,11 +112,15 @@ TEST_F(BluetoothRemoteGattServiceTest, GetCharacteristics_FindNone) {
 
   EXPECT_EQ(0u, service->GetCharacteristics().size());
 }
-#endif  // defined(OS_ANDROID) || defined(OS_WIN)
+#endif  // defined(OS_ANDROID) || defined(OS_MACOSX) || defined(OS_WIN)
 
-#if defined(OS_ANDROID) || defined(OS_WIN)
+#if defined(OS_ANDROID) || defined(OS_MACOSX) || defined(OS_WIN)
 TEST_F(BluetoothRemoteGattServiceTest,
        GetCharacteristics_and_GetCharacteristic) {
+  if (!PlatformSupportsLowEnergy()) {
+    LOG(WARNING) << "Low Energy Bluetooth unavailable, skipping unit test.";
+    return;
+  }
   InitWithFakeAdapter();
   StartLowEnergyDiscoverySession();
   BluetoothDevice* device = SimulateLowEnergyDevice(3);
@@ -161,11 +165,15 @@ TEST_F(BluetoothRemoteGattServiceTest,
   EXPECT_EQ(service->GetCharacteristic(char_id1),
             service->GetCharacteristic(char_id1));
 }
-#endif  // defined(OS_ANDROID) || defined(OS_WIN)
+#endif  // defined(OS_ANDROID) || defined(OS_MACOSX) || defined(OS_WIN)
 
-#if defined(OS_WIN)
+#if defined(OS_MACOSX) || defined(OS_WIN)
 TEST_F(BluetoothRemoteGattServiceTest,
        GetCharacteristic_CharacteristicRemoved) {
+  if (!PlatformSupportsLowEnergy()) {
+    LOG(WARNING) << "Low Energy Bluetooth unavailable, skipping unit test.";
+    return;
+  }
   InitWithFakeAdapter();
   StartLowEnergyDiscoverySession();
   BluetoothDevice* device = SimulateLowEnergyDevice(3);
@@ -216,9 +224,16 @@ TEST_F(BluetoothRemoteGattServiceTest,
   EXPECT_FALSE(service->GetCharacteristic(removed_char));
   EXPECT_EQ(0u, service->GetCharacteristics().size());
 
+#if defined(OS_MACOSX)
+  // SimulateGattServicesDiscovered
+  // 4 * SimulateGattCharacteristic
+  // 4 * SimulateGattCharacteristicRemoved
+  EXPECT_EQ(9, observer.gatt_service_changed_count());
+#else  // defined(OS_MACOSX)
   EXPECT_EQ(4, observer.gatt_service_changed_count());
+#endif  // defined(OS_MACOSX)
 }
-#endif  // defined(OS_WIN)
+#endif  //  defined(OS_MACOSX) || defined(OS_WIN)
 
 #if defined(OS_WIN) || defined(OS_MACOSX)
 TEST_F(BluetoothRemoteGattServiceTest, SimulateGattServiceRemove) {