Implement read & write remote GATT characteristic value for Windows

device/bluetooth/test/bluetooth_test_win.cc

Index: device/bluetooth/test/bluetooth_test_win.cc
diff --git a/device/bluetooth/test/bluetooth_test_win.cc b/device/bluetooth/test/bluetooth_test_win.cc
index 68af54768acbb3ddcf5686aa5223a65548b01260..86e172c6933952a2ed653f535d0a2834ba19645b 100644
--- a/device/bluetooth/test/bluetooth_test_win.cc
+++ b/device/bluetooth/test/bluetooth_test_win.cc
@@ -99,6 +99,7 @@ void BluetoothTestWin::InitWithoutDefaultAdapter() {
 void BluetoothTestWin::InitWithFakeAdapter() {
   fake_bt_classic_wrapper_ = new win::BluetoothClassicWrapperFake();
   fake_bt_le_wrapper_ = new win::BluetoothLowEnergyWrapperFake();
+  fake_bt_le_wrapper_->AddObserver(this);
   win::BluetoothClassicWrapper::SetInstanceForTest(fake_bt_classic_wrapper_);
   win::BluetoothLowEnergyWrapper::SetInstanceForTest(fake_bt_le_wrapper_);
   fake_bt_classic_wrapper_->SimulateARadio(
@@ -109,6 +110,7 @@ void BluetoothTestWin::InitWithFakeAdapter() {
       &BluetoothTestWin::AdapterInitCallback, base::Unretained(this)));
   adapter_win_ = static_cast<BluetoothAdapterWin*>(adapter_.get());
   adapter_win_->InitForTest(nullptr, bluetooth_task_runner_);
+  adapter_win_->GetWinBluetoothTaskManager()->AddObserver(this);
   FinishPendingTasks();
 }
 
@@ -282,6 +284,70 @@ void BluetoothTestWin::SimulateGattCharacteristicRemoved(
   ForceRefreshDevice();
 }
 
+void BluetoothTestWin::RememberCharacteristicForSubsequentAction(
+    BluetoothGattCharacteristic* characteristic) {
+  remembered_characteristic_ =
+      static_cast<BluetoothRemoteGattCharacteristicWin*>(characteristic);
+}
+
+void BluetoothTestWin::SimulateGattCharacteristicRead(
+    BluetoothGattCharacteristic* characteristic,
+    const std::vector<uint8_t>& value) {
+  BluetoothGattCharacteristic* target_characteristic = characteristic;
+  if (target_characteristic == nullptr)
+    target_characteristic = remembered_characteristic_;
+  CHECK(target_characteristic);
+
+  win::GattCharacteristic* target_simulated_characteristic =
+      GetSimulatedCharacteristic(target_characteristic);
+  if (target_simulated_characteristic != nullptr) {
+    fake_bt_le_wrapper_->SimulateGattCharacteristicValue(
+        target_simulated_characteristic, value);
+  }
+
+  FinishPendingTasks();
+}
+
+void BluetoothTestWin::SimulateGattCharacteristicReadError(
+    BluetoothGattCharacteristic* characteristic,
+    BluetoothGattService::GattErrorCode error_code) {
+  win::GattCharacteristic* target_characteristic =
+      GetSimulatedCharacteristic(characteristic);
+  CHECK(target_characteristic);
+  HRESULT hr = ERROR_SEM_TIMEOUT;
+  if (error_code == BluetoothGattService::GATT_ERROR_INVALID_LENGTH)
+    hr = E_BLUETOOTH_ATT_INVALID_ATTRIBUTE_VALUE_LENGTH;
+  fake_bt_le_wrapper_->SimulateGattCharacteristicReadError(
+      target_characteristic, hr);
+
+  FinishPendingTasks();
+}
+
+void BluetoothTestWin::SimulateGattCharacteristicWrite(
+    BluetoothGattCharacteristic* characteristic) {
+  FinishPendingTasks();
+}
+
+void BluetoothTestWin::SimulateGattCharacteristicWriteError(
+    BluetoothGattCharacteristic* characteristic,
+    BluetoothGattService::GattErrorCode error_code) {
+  win::GattCharacteristic* target_characteristic =
+      GetSimulatedCharacteristic(characteristic);
+  CHECK(target_characteristic);
+  HRESULT hr = ERROR_SEM_TIMEOUT;
+  if (error_code == BluetoothGattService::GATT_ERROR_INVALID_LENGTH)
+    hr = E_BLUETOOTH_ATT_INVALID_ATTRIBUTE_VALUE_LENGTH;
+  fake_bt_le_wrapper_->SimulateGattCharacteristicWriteError(
+      target_characteristic, hr);
+
+  FinishPendingTasks();
+}
+
+void BluetoothTestWin::DeleteDevice(BluetoothDevice* device) {
+  CHECK(device);
+  fake_bt_le_wrapper_->RemoveSimulatedBLEDevice(device->GetAddress());
+}
+
 void BluetoothTestWin::SimulateGattDescriptor(
     BluetoothGattCharacteristic* characteristic,
     const std::string& uuid) {
@@ -294,6 +360,21 @@ void BluetoothTestWin::SimulateGattDescriptor(
   ForceRefreshDevice();
 }
 
+void BluetoothTestWin::OnAttemptReadGattCharacteristic() {
+  gatt_read_characteristic_attempts_++;
+}
+
+void BluetoothTestWin::OnAttemptWriteGattCharacteristic() {
+  gatt_write_characteristic_attempts_++;
+}
+
+void BluetoothTestWin::onWriteGattCharacteristicValue(
+    const PBTH_LE_GATT_CHARACTERISTIC_VALUE value) {
+  last_write_value_.clear();
+  for (ULONG i = 0; i < value->DataSize; i++)
+    last_write_value_.push_back(value->Data[i]);
+}
+
 win::GattService* BluetoothTestWin::GetSimulatedService(
     win::BLEDevice* device,
     BluetoothGattService* service) {