Implementing GATT connection/disconnect on OS X.

device/bluetooth/bluetooth_adapter_mac_unittest.mm

 // Copyright 2013 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 "base/bind.h"
 #include "base/memory/ref_counted.h"
 #include "base/test/test_simple_task_runner.h"
 #include "build/build_config.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_adapter_mac.h"
@@ skipping 98 matching lines @@
     return (device != NULL);
   }
 
   void RemoveTimedOutDevices() { adapter_mac_->RemoveTimedOutDevices(); }
 
   bool SetMockCentralManager(CBCentralManagerState desired_state) {
     if (!BluetoothAdapterMac::IsLowEnergyAvailable()) {
       LOG(WARNING) << "Low Energy Bluetooth unavailable, skipping unit test.";
       return false;
     }
-    mock_central_manager_ = [[MockCentralManager alloc] init];
+    mock_central_manager_.reset([[MockCentralManager alloc] init]);
     [mock_central_manager_ setState:desired_state];
-    adapter_mac_->SetCentralManagerForTesting(mock_central_manager_);
+    CBCentralManager* centralManager =
+        static_cast<CBCentralManager*>(mock_central_manager_.get());

[msarda, 2016/02/22 14:01:06]

Do not use static_cast for Objective-C objects. Use base::ObjcCast

[jlebel, 2016/02/24 16:54:54]

It is not possible, this is a mock.

+    adapter_mac_->SetCentralManagerForTesting(centralManager);
     return true;
   }
 
   void AddDiscoverySession(BluetoothDiscoveryFilter* discovery_filter) {
     adapter_mac_->AddDiscoverySession(
         discovery_filter,
         base::Bind(&BluetoothAdapterMacTest::Callback, base::Unretained(this)),
         base::Bind(&BluetoothAdapterMacTest::DiscoveryErrorCallback,
                    base::Unretained(this)));
   }
@@ skipping 14 matching lines @@
   void DiscoveryErrorCallback(UMABluetoothDiscoverySessionOutcome) {
     ++error_callback_count_;
   }
 
  protected:
   scoped_refptr<base::TestSimpleTaskRunner> ui_task_runner_;
   scoped_refptr<BluetoothAdapter> adapter_;
   BluetoothAdapterMac* adapter_mac_;
 
   // Owned by |adapter_mac_|.
-  id mock_central_manager_ = NULL;
+  base::scoped_nsobject<MockCentralManager> mock_central_manager_;
 
   int callback_count_;
   int error_callback_count_;
 };
 
 TEST_F(BluetoothAdapterMacTest, Poll) {
   PollAdapter();
   EXPECT_FALSE(ui_task_runner_->GetPendingTasks().empty());
 }
 
@@ skipping 158 matching lines @@
   EXPECT_EQ(1, NumDevices());
   EXPECT_TRUE(DevicePresent(mock_peripheral));
 
   // Check that object pointed to by |device| is deleted by the adapter.
   RemoveTimedOutDevices();
   EXPECT_EQ(0, NumDevices());
   EXPECT_FALSE(DevicePresent(mock_peripheral));
 }
 
 }  // namespace device