bluetooth: Implement simulateGATTConnectionResponse()

device/bluetooth/test/fake_peripheral.h

 // Copyright 2017 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.
 #ifndef DEVICE_BLUETOOTH_TEST_FAKE_PERIPHERAL_H_
 #define DEVICE_BLUETOOTH_TEST_FAKE_PERIPHERAL_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
+#include "base/memory/weak_ptr.h"
 #include "base/optional.h"
 #include "device/bluetooth/bluetooth_device.h"
 #include "device/bluetooth/test/fake_central.h"
 
 namespace bluetooth {
 
 // Implements device::BluetoothDevice. Meant to be used by FakeCentral
 // to keep track of the peripheral's state and attributes.
 class FakePeripheral : public device::BluetoothDevice {
  public:
   FakePeripheral(FakeCentral* fake_central, const std::string& address);
   ~FakePeripheral() override;
 
   // Changes the name of the device.
   void SetName(base::Optional<std::string> name);
 
-  // Set it to indicate if the Peripheral is connected or not.
-  void SetGattConnected(bool gatt_connected);
+  // Set it to indicate if the system has connected to the Peripheral outside of
+  // the Bluetooth interface e.g. the user connected to the device through
+  // system settings.
+  void SetSystemConnected(bool gatt_connected);
 
   // Updates the peripheral's UUIDs that are returned by
   // BluetoothDevice::GetUUIDs().
   void SetServiceUUIDs(UUIDSet service_uuids);
 
+  // If |code| is kHCISuccess calls a pending success callback for
+  // CreateGattConnection. Otherwise calls a pending error callback
+  // with the ConnectErrorCode corresponding to |code|.
+  void SetNextGATTConnectionResponse(uint16_t code);
+
   // BluetoothDevice overrides:
   uint32_t GetBluetoothClass() const override;
 #if defined(OS_CHROMEOS) || defined(OS_LINUX)
   device::BluetoothTransport GetType() const override;
 #endif
   std::string GetIdentifier() const override;
   std::string GetAddress() const override;
   VendorIDSource GetVendorIDSource() const override;
   uint16_t GetVendorID() const override;
   uint16_t GetProductID() const override;
@@ skipping 27 matching lines @@
   void Forget(const base::Closure& callback,
               const ErrorCallback& error_callback) override;
   void ConnectToService(
       const device::BluetoothUUID& uuid,
       const ConnectToServiceCallback& callback,
       const ConnectToServiceErrorCallback& error_callback) override;
   void ConnectToServiceInsecurely(
       const device::BluetoothUUID& uuid,
       const ConnectToServiceCallback& callback,
       const ConnectToServiceErrorCallback& error_callback) override;
+  void CreateGattConnection(
+      const GattConnectionCallback& callback,
+      const ConnectErrorCallback& error_callback) override;
 
  protected:
   void CreateGattConnectionImpl() override;
   void DisconnectGatt() override;
 
  private:
+  void DispatchConnectionResponse();
+
   const std::string address_;
   base::Optional<std::string> name_;
+  UUIDSet service_uuids_;
+  // True when the system has connected to the device outside of the Bluetooth
+  // interface e.g. the user connected to the device through system settings.
+  bool system_connected_;
+  // True when this Bluetooth interface is connected to the device.
   bool gatt_connected_;
-  UUIDSet service_uuids_;
+
+  // Used to decide which callback should be called when
+  // CreateGattConnection is called.
+  base::Optional<uint16_t> next_connection_response_;
+
+  base::WeakPtrFactory<FakePeripheral> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(FakePeripheral);
 };
 
 }  // namespace bluetooth
 
 #endif  // DEVICE_BLUETOOTH_TEST_FAKE_PERIPHERAL_H_